List of Publications in Refereed Journals
----------------------- first authors --------------------------
1. Shiokawa, K., H. Fukunishi, H. Yamagishi, H. Miyaoka, R. Fujii, and F. Tohyama, Rocket observation of the magnetosphere-ionosphere coupling processes in quiet and active arcs, J. Geophys. Res., 95, 10,679-10,686, 1990.
2. Shiokawa, K., and H. Fukunishi, Dependences of auroral 5577-A and 6300-A emission rates on thermospheric density variations, in Proc. NIPR Symp. Coordinated Observations of the Ionosphere and the Magnetosphere in the Polar Regions, vol. 3, p.24-31, National Institute of Polar Research, Tokyo, 1990.
3. Shiokawa, K., and H. Fukunishi, Global characteristics of field-aligned acceleration processes associated with auroral arcs, J. Geomagn. Geoelectr., 43, 691-719, 1991.
4. Shiokawa, K., and K. Yumoto, Global characteristics of particle precipitation and field-aligned electron acceleration during isolated substorms, J. Geophys. Res., 98, 1359-1375, 1993. (Correction, J. Geophys. Res., 98, 9357-9362, 1993.)
5. Shiokawa, K., K. Yumoto, Y. Tanaka, T. Oguti, and Y. Kiyama, Low-latitude auroras observed at Moshiri and Rikubetsu (L=1.6) during magnetic storms on February 26, 27, 29, and May 10, 1992, J. Geomagn. Geoelectr., 46, 231-252, 1994.
6. Shiokawa, K., K. Yumoto, Y. Tanaka, Y. Kiyama, Y. Kamide, and M. Tokumaru, A low-latitude aurora observed at Rikubetsu (L=1.6) during the magnetic storm of September 13, 1993, Proc. NIPR Symp. Upper Atmos. Phys., 8, 17-23, 1995
7. Shiokawa, K., K. Yumoto, K. Hayashi, T. Oguti, and D. J. McEwen, A statistical study of the motions of auroral arcs in the high-latitude morning sector, J. Geophys. Res., 100, 21,979-21,985, 1995.
8. Shiokawa, K., K. Yumoto, N. Nishitani, K. Hayashi, T. Oguti, D. J. McEwen, Y. Kiyama, F. J. Rich, and T. Mukai, Quasi-periodic poleward motions of sun-aligned auroral arcs in the high-latitude morning sector: A case study, J. Geophys. Res., 101, 19,789-19,800, 1996.
9. Shiokawa, K., K. Yumoto, Y. Tanaka, H. Osaki, M. Sato, T. Kato, Y. Kato, M. Sera, Y. Ikegami, S.-I. Akasofu, K. Hayashi, T. Oguti, and Y. Kiyama, Auroral observations using automatic optical instruments: relations with multiple Pi 2 magnetic pulsations, J. Geomag. Geoelectr., 48, 1407-1419, 1996.
10. Shiokawa, K., K. Yumoto, P. T. Newell, and C.-I. Meng, Broadband electrons observed by the DMSP satellites during storm-time substorms, Geophys. Res. Lett., 23, 2529-2532, 1996.
11. Shiokawa, K. C. I. Meng, G. D. Reeves, F. J. Rich, and K. Yumoto, A multievent study of broadband electrons observed by the DMSP satellites and their relation to red aurora observed at midlatitude stations, J. Geophys. Res., 102, 14,237-14,253, 1997.
12. Shiokawa, K., W. Baumjohann, G. Haerendel, Braking of high-speed flows in the near-Earth tail, Geophys. Res. Lett., 24, 1179-1182, 1997.
13. Shiokawa, K., T. Ogino, K. Hayashi, and D. J. McEwen, Quasi-periodic poleward motions of morningside Sun-aligned arcs: A multievent study, J. Geophys. Res., 102, 24,325-24,332, 1997.
14. Shiokawa, K., W. Baumjohann, G. Haerendel, G. Paschmann, J. F. Fennell, E. Friis-Christensen, H. Luhr, G. D. Reeves, C. T. Russell, P. R. Sutcliffe, and K. Takahashi, High-speed ion flow, substorm current wedge, and multiple Pi2 pulsations, J. Geophys. Res., 103, 4491-4507, 1998.
15. Shiokawa, K., G. Haerendel, and W. Baumjohann, Azimuthal pressure gradient as driving force of substorm currents, Geophys. Res. Lett., 25, 959-962, 1998.
16. Shiokawa, K., R. R. Anderson, I. A. Daglis, W. J. Hughes, and J. R. Wygant, Simultaneous DMSP and CRRES observation of broadband electrons during a storm-time substorm on March 25, 1991, Physics and Chemistry of the Earth, 24, 281-285, 1999.
17. Shiokawa, K., Y. Katoh, M. Satoh, M. K. Ejiri, T. Ogawa, T. Nakamura, T. Tsuda, R. H. Wiens, Development of optical mesosphere thermosphere imagers (OMTI), Earth, Planets, and Space, 51, 887-896, 1999.
18. Shiokawa, K., W. Baumjohann, G. Haerendel, and H. Fukunishi, High- and low-altitude observations of adiabatic parameters associated with auroral electron acceleration, J. Geophys. Res., 105, 2541-2550, 2000.
19. Shiokawa, K., Y. Katoh, M. Satoh, M. K. Ejiri, and T. Ogawa, Integrating-sphere calibration of all-sky cameras for nightglow measurements, Adv. Space Res., 26, 1025-1028, 2000.
20. Shiokawa, K., Y. Otsuka, T. Ogawa, K. Igarashi, S. Miyazaki, F. J. Rich, A. Saito, K. Yumoto, Comprehensive imaging observations of mid-latitude ionospheric disturbances during storm time substorms, J. Geophys. Res., 105, 27,067-27,080, 2000.
21. Shiokawa, K. and Y. Kiyama, A search for the springtime transition of lower thermospheric atomic oxygen using long-term midlatitude airglow data, J. Atmos. Solar Terr. Phys., 62, 1215-1219, 2000.
22. Shiokawa, K., M. K. Ejiri, T. Ogawa, and T. Nakamura, Distant lunar sodium tail observed in the Japanese local-time sector during the Leonid meteor shower of 1998, J. Geophys. Res., 105, 24,621-24,626, 2000.
23. Shiokawa, K., M. K. Ejiri, Y. Otsuka, T. Ogawa, M. Kubota, K. Igarashi, A. Saito, and T. Nakamura, Multi-point observations of short-period mesospheric gravity waves over Japan during the FRONT campaign, Geophys. Res. Lett., 24, 4057-4060, 2000.
24. Shiokawa, K., T. Kadota, M. K. Ejiri, Y. Otsuka, Y. Katoh, M. Satoh, and T. Ogawa, Three-channel imaging Fabry-Perot interferometer for midlatitude airglow measurement, Appl. Opt., 40, 4286-4296, 2001.
25. Shiokawa, K., T. Ogawa, H. Oya, F. J. Rich, and K. Yumoto, A stable auroral red (SAR) arc observed over Japan after an interval of very weak solar wind, J. Geophys. Res., 106, 26,091-26,101, 2001.
26. Shiokawa, K., Y. Otsuka, M. K. Ejiri, Y. Sahai, T. Kadota, C. Ihara, T. Ogawa, K. Igarashi, S. Miyazaki, and A. Saito, Imaging observations of the equatorward limit of midlatitude traveling ionospheric disturbances, Earth Planets Space, 54, 57-62, 2002.
27. Shiokawa, K., Y. Otsuka, T. Ogawa, N. Balan, K. Igarashi, A. J. Ridley, D. J. Knipp, A. Saito, and K. Yumoto, A large-scale traveling ionospheric disturbance during the magnetic storm of September 15, 1999, J. Geophys. Res., 107(A6), 10.1029/2001JA000245, 2002.
28. Shiokawa, K., K. Yumoto, and J. V. Olson, Multiple auroral brightenings and associated Pi 2 pulsations, Geophys. Res. Lett., 29, No.11, 10.1029/2001GL014583, 2002.
29. Shiokawa, K., Y. Katoh, M. Satoh, T. Ogawa, M. Taguchi, and H. Yamagishi, A new auroral spectrometer using an acousto-optic tunable filter, Advances in Polar Upper Atmosphere Research, National Institute of Polar Research, Japan, No.16, 146-156, 2002.
30. Shiokawa, K., M. K. Ejiri, T. Ogawa, Y. Yamada, H. Fukunishi, K. Igarashi, and T. Nakamura, A localized structure in OH airglow images near the mesopause region, J. Geophys. Res., 108(D2), 4048, doi:10.1029/2002JD002462, 2003.
31. Shiokawa, K., C. Ihara, Y. Otsuka, and T. Ogawa, Statistical study of nighttime medium-scale traveling ionospheric disturbances using midlatitude airglow images, J. Geophys. Res., 108(A1), 1052, doi:10.1029/2002JA009491, 2003.
32. Shiokawa, K., Y. Otsuka, C. Ihara, T. Ogawa, and F. J. Rich, Ground and satellite observations of nighttime medium-scale traveling ionospheric disturbance at midlatitude, J. Geophys. Res., 108(A4), 1145, doi:10.1029/2002JA009639, 2003.
33. Shiokawa, K., W. Baumjohann, and G. Paschmann, Bi-directional electrons in the near-Earth plasma sheet, Ann. Geophys., 21, 1497-1507, 2003
34. Shiokawa, K., T. Kadota, Y. Otsuka, T. Ogawa, T. Nakamura, and S. Fukao, A two-channel Fabry-Perot interferometer with thermoelectric-cooled CCD detectors for neutral wind measurement in the upper atmosphere, Earth Planets Space, 55, 271-275, 2003.
35. Shiokawa, K., Y. Otsuka, T. Ogawa, S. Kawamura, M. Yamamoto, S. Fukao, T. Nakamura, T. Tsuda, N. Balan, K. Igarashi, G. Lu, A. Saito, and K. Yumoto, Thermospheric wind during a storm-time large-scale traveling ionospheric disturbance, J. Geophys. Res., 108(A12), 1423, doi:10.1029/2003JA010001, 2003.
36. Shiokawa, K., Y. Otsuka, T. Ogawa, H. Takahashi, T. Nakamura, and T. Shimomai, Comparison of OH rotational temperatures measured by the Spectral Airglow Temperature Imager (SATI) and by a tilting-filter photometer, J. Atmos. Solar-Terr. Phys., 66, 891-897, 2004.
37. Shiokawa, K., Y. Otsuka, T. Ogawa, and P. Wilkinson, Time evolution of high-altitude plasma bubbles imaged at geomagnetic conjugate points, Ann. Geophys., 22, 3137-3143, 2005.
38. Shiokawa, K., I. Shinohara, T. Mukai, H. Hayakawa, and C. Z. Cheng, Magnetic field fluctuations during substorm-associated dipolarizations in the nightside plasma sheet around X = -10 Re, J. Geophys. Res., 110, A05212, doi:10.1029/2004JA010378, 2005.
39. Shiokawa, K., T. Ogawa, and Y. Kamide, Low-latitude auroras observed in Japan: 1999-2004, J. Geophys. Res., 110, A05202, doi:10.1029/2004JA010706, 2005.
40. Shiokawa, K., Y. Otsuka, T. Tsugawa, T. Ogawa, A. Saito, K. Ohshima, M. Kubota, T. Maruyama, T. Nakamura, M. Yamamoto, and P. Wilkinson, Geomagnetic conjugate observation of nighttime medium-scale and large-scale traveling ionospheric disturbances: FRONT3 campaign, J. Geophys. Res., 110, A05303, doi:10.1029/2004JA010845, 2005.
41. Shiokawa, K., Y. Miyashita, I. Shinohara, and A. Matsuoka, Decrease in Bz prior to the dipolarization in the near-Earth plasma sheet, J. Geophys. Res., 110, A09219, doi:10.1029/2005JA011144, 2005.
42. Shiokawa, K., K. Yago, K. Yumoto, D. G. Baishev, S. I. Solovyev, F. J. Rich, and S. B. Mende, Ground and satellite observations of substorm onset arcs, J. Geophys. Res., 110, A12225, doi:10.1029/2005JA011281, 2005.
43. Shiokawa, K., K. Seki, Y. Miyoshi, A. Ieda, T. Ono, M. Iizima, T. Nagatsuma, T. Obara, T. Takashima, K. Asamura, Y. Kasaba, A. Matsuoka, Y. Saito, H. Saito, M. Hirahara, Y. Tonegawa, F. Toyama, M. Tanaka, M. Nose, Y. Kasahara, K. Yumoto, H. Kawano, A. Yoshikawa, Y. Ebihara, A. Yukimatsu, N. Sato, S. Watanabe, and the Inner Magnetosphere Subgroup in the Society of Geomagnetism and Earth, Planetary and Space Sciences, ERG - A small-satellite mission to investigate the dynamics of the inner magnetosphere, Adv. Space Res., 38(8), 1861-1869, 2006.
44. Shiokawa, K., Y. Otsuka, and T. Ogawa, Quasiperiodic southward moving waves in 630-nm airglow images in the equatorial thermosphere, J. Geophys. Res., 111, A06301, doi:10.1029/2005JA011406, 2006.
45. Shiokawa, K., S. Suzuki, Y. Otsuka, T. Ogawa, T. Nakamura, M. G. Mlynczak, and J. M. Russell III, A multi-instrument measurement of a mesospheric front-like structure at the equator, J. Meteor. Soc. Japan, Vol. 84A, pp. 305-316, 2006.
46. Shiokawa, K., S. Suzuki, Y. Otsuka, T. Ogawa, T. Nakamura, and T. Horinouchi, An intense gravity wave near the mesopause region observed by a Fabry-Perot interferometer and an airglow imager, J. Geophys. Res., 112, D07106, doi:10.1029/2006JD007385, 2007.
47. Shiokawa, K., G. Lu, Y. Otsuka, T. Ogawa, M. Yamamoto, N. Nishitani, and N. Sato, Ground observation and AMIE-TIEGCM modeling of a storm-time traveling ionospheric disturbance, J. Geophys. Res., 112, A05308, doi:10.1029/2006JA011772, 2007.
48. Shiokawa, K., Y. Otsuka, S. Suzuki, T. Katoh, Y. Katoh, M. Satoh, T. Ogawa, H. Takahashi, D. Gobbi, T. Nakamura, B. P. Williams, C.-Y. She, M. Taguchi, and T. Shimomai, Development of airglow temperature photometers with cooled-CCD detectors, Earth Planets Space, 59, 585-599, 2007.
49. Shiokawa, K., T. Tsugawa, Y. Otsuka, T. Ogawa, G. Lu, A. Saito, and M. Yamamoto, Optical and radio observations and AMIE/TIEGCM modeling of nighttime traveling ionospheric disturbances at mid-latitudes during geomagnetic storms, AGU monograph on Mid-Latitude Ionospheric Dynamics and Disturbances, 271-281, 2008.
50. Shiokawa, K., Y. Otsuka, N. Nishitani, T. Ogawa, T. Tsugawa, T. Maruyama, S. E. Smirnov, V. V. Bychkov, and B. M. Shevtsov, Northeastward motion of nighttime medium-scale traveling ionospheric disturbances at middle latitudes observed by an airglow imager, J. Geophys. Res., 113, A12312, doi:10.1029/2008JA013417, 2008.
51. Shiokawa, K., K. Hosokawa, K. Sakaguchi, A. Ieda, Y. Otsuka, T. Ogawa and M. Connors, The Optical Mesosphere Thermosphere Imagers (OMTIs) for network measurements of aurora and airglow, Future Perspectives of Space Plasma and Particle Instrumentation and International Collaborations, AIP Conference proceedings, edited by M. Hirahara, Y. Miyoshi, N. Terada, I. Shinohara, and T. Mukai, AIP Conference proceedings, pp.212-215, doi:10.1063/1.3169292, 2009.
52. Shiokawa, K., Y. Otsuka, and T. Ogawa, Propagation characteristics of nighttime mesospheric and thermospheric waves observed by optical mesosphere thermosphere imagers at middle and low latitudes, Earth Planets Space, 61, 479-491, 2009.
53. Shiokawa, K., A. Ieda, A. Nakajima, K. Sakaguchi, R. Nomura, T. Aslaksen, M. Greffen, E. Spanswick, and E. Donovan, S. B. Mende, J. McFadden, K.-H. Glassmeier, V. Angelopoulos, and Y. Miyashita, Longitudinal development of a substorm brightening arc, Ann. Geophys., 27, 1935-1940, 2009.
54. Shiokawa, K., A. Nakajima, A. Ieda, K. Sakaguchi, R. Nomura, T. Aslaksen, M. Greffen, and E. Donovan, Rayleigh-Taylor type instability in auroral patches, J. Geophys. Res., 115, A02211, doi:10.1029/2009JA014273, 2010.
55. Shiokawa, K., R. Nomura, K. Sakaguchi, Y. Otsuka, Y. Hamaguchi, M. Satoh, Y. Katoh, Y. Yamamoto, B. M. Shevtsov, S. Smirnov, I. Poddelsky, and M. Connors, The STEL induction magnetometer network for observation of high-frequency geomagnetic pulsations, Earth Planets Space, 62, 517-524, 2010.
56. Shiokawa, K., Y. Otsuka, S. Oyama, S. Nozawa, M. Satoh, Y. Katoh, Y. Hamaguchi, Y. Yamamoto and J. Meriwether, Development of low-cost sky-scanning Fabry-Perot interferometers for airglow and auroral studies, Earth Planets Space, vol.64, no.11, 1033-1046, 2012.
57. Shiokawa, K., M. Mori, Y. Otsuka, S. Oyama, and S. Nozawa, Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening, J. Geophys. Res., 117, A10316, doi:10.1029/2012JA017928, 2012.
58. Shiokawa, K., Y. Miyoshi, P. C. Brandt, D. S. Evans, H. U. Frey, J. Goldstein, and K. Yumoto, Ground and satellite observations of low-latitude red auroras at the initial phase of magnetic storms, J. Geophys. Res., 118, 256-270, doi:10.1029/2012JA018001, 2013.
59. Shiokawa, K., M. Mori, Y. Otsuka, S. Oyama, S. Nozawa, S. Suzuki, and M. Connors, Observation of nighttime medium-scale travelling ionospheric disturbances by two 630-nm airglow imagers near the auroral zone, J. Atmos. Solar-Terr. Phys., 103, 184-194, 2013.
60. Shiokawa, K., Y. Yokoyama, A. Ieda, Y. Miyoshi, R. Nomura, S. Lee, N. Sunagawa, Y. Miyashita, M. Ozaki, K. Ishizaka, S. Yagitani, R. Kataoka, F. Tsuchiya, I. Schofield, and M. Connors, Ground-based ELF/VLF chorus observations at subauroral latitudes - VLF-CHAIN Campaign, J. Geophys. Res., 119, doi:10.1029/2014JA020161, 2014.
61. Shiokawa, K., A. Hashimoto, T. Hori, K. Sakaguchi, Y. Ogawa, E. Donovan, E. Spanswick, M. Connors, Y. Otsuka, S.-I. Oyama, S. Nozawa, K. McWilliams, Auroral fragmentation into patches, J. Geophys. Res., 119, doi:10.1029/2014JA020050, 2014.
62. Shiokawa, K., Y. Otsuka, K. J. Lynn, P. Wilkinson and T. Tsugawa, Airglow-imaging observation of plasma bubble disappearance at geomagnetically conjugate points, Earth Planets Space, 67:43, doi:10.1186/s40623-015-0202-6, 2015.
63. Shiokawa, K., Y. Kato, Y. Hamaguchi, Y. Yamamoto, T. Adachi, M. Ozaki, S.-I. Oyama, M. Nos辿, T. Nagatsuma, Y. Tanaka, Y. Otsuka, Y. Miyoshi, R. Kataoka, Y. Takagi, Y. Takeshita, A. Shinbori, S. Kurita, T. Hori, N. Nishitani, I. Shinohara, F. Tuchiya, Y. Obana, S. Suzuki, N. Takahashi, K. Seki, A. Kadokura, K. Hosokawa, Y. Ogawa, M. Connors, J. M. Ruohoniemi, M. Engebretson, E. Turunen, T. Ulich, J. Manninen, T. Raita, A. Kero, A. Oksanen, M. Back, K. Kauristie, J. Mattanen, D. Baishev, V. Kurkin, A. Oinats, A. Pashinin, R. Vasilyev, R. Rakhmatulin, W. Bristow, and M. Karjala, Ground-based instruments of the PWING project to investigate dynamics of the inner magnetosphere at subauroral latitudes as a part of the ERG-ground coordinated observation network, Earth, Planets and Space, 69:160, doi: 10.1186/s40623-017-0745-9, 2017.
64. Shiokawa, K., M. Ozaki, A. Kadokura, Y. Endo, T. Sakanoi, S. Kurita, Y. Miyoshi, S.-I. Oyama, M. Connors, I. Schofield, J. Michael Ruohoniemi, M. No��e, T. Nagatsuma, K. Sakaguchi, D. G. Baishev, A. Pashinin, R. Rakhmatulin, B. Shevtsov, I. Poddelsky, M. Engebretson, Tero Raita, Y.-M. Tanaka, M. Shinohara, M. Teramoto, R. Nomura, A. Fujimoto, A. Matsuoka, N. Higashio, T. Takashima , I. Shinohara, and Jay M. Albert, Purple auroral rays and global Pc1 pulsations observed at the CIR-associated solar wind density enhancement on March 21, 2017, Geophys. Res. Lett., 45, doi:10.1029/2018GL079103, 2018.
65. Shiokawa, K., Y. Otsuka, and M. Connors, Statistical study of auroral/resonant-scattering 427.8-nm emission observed at subauroral latitudes over 14 years, J. Geophys. Res., 124, doi: 10.1029/2019JA026704, 2019.
66. Shiokawa, K., M. Nose, S. Imajo, Y. Tanaka, Y. Miyoshi, K. Hosokawa, M. Connors, M. Engebretson, Y. Kazama, S.-Y. Wang, S. W. Y. Tam, Tzu-Fang Chang, Bo-Jhou Wang, K. Asamura, S. Kasahara, S. Yokota, T. Hori, K. Keika, Y. Kasaba, M. Shoji, Y. Kasahara, A. Matsuoka and I. Shinohara, Arase observation of the source region of auroral arcs and diffuse auroras in the inner magnetosphere, J. Geophys. Res., 125, https://doi.org/10.1029/2019JA027310, 2020.
67. Shiokawa, K., and K. Georgieva, A review of the SCOSTEP's 5-year Scientific program VarSITI - Variability of the Sun and Its Terrestrial Impact, Progress in Earth and Planetary Science, 8, 21, https://doi.org/10.1186/s40645-021-00410-1, 2021.
68. Shiokawa, K., A story of developing the idea of plasma-sheet flow braking, Frontiers in Astronomy and Space Sciences, 9:957776. doi: 10.3389/fspas.2022.957776, 2022.
----------------------- coauthors --------------------------
1. Yumoto, K., Y. Tanaka, T. Oguti, K. Shiokawa, Y. Yoshimura, A. Isono, B. J. Fraser, F. W. Menk, J. W. Lynn, M. Seto, and 210 (deg) MM magnetic meridian observation group, Globally coordinated magnetic observations along 210 (deg) magnetic meridian during STEP period: 1. Preliminary results of low-latitude Pc 3's, J. Geomag. Geoelectr., 44, 261-276, 1992.
2. Yumoto, K., K. Shiokawa, T. Endo, Y. Tanaka, T. Oguti, and F. W. Menk, Characteristics of magnetic variations caused by low-latitude aurorae observed around 210 (deg) magnetic meridian, J. Geomag. Geoelectr., 46, 213-229, 1994.
3. Kokubun, S., T. Yamamoto, M. Acuna, K. Hayashi, K. Shiokawa, and H. Kawano, The GEOTAIL magnetic field experiment, J. Geomag. Geoelectr., 46, 7-21, 1994.
4. Yumoto, K., A. Isono, K. Shiokawa, Y. Tanaka, F. W. Menk, and B. J. Fraser, Global cavity mode-like and localized field-line Pc3-4 oscillations stimulated by interplanetary impulses (Si/Sc): Initial results from the 210 (deg) MM magnetic observations, in Solar Wind Sources of Magnetospheric ULF Waves, AGU Monogr., 335-344, 1994.
5. Takahashi, K., S. Kokubun, H. Matsuoka, K. Shiokawa, K. Yumoto, M. Nakamura, H. Kawano, T. Yamamoto, A. Matsuoka, K. Tsuruda, H. Hayakawa, H. Kojima, and H. Matsumoto, GEOTAIL observation of magnetosonic Pc 3 waves in the dayside magnetosphere, Geophys. Res. Lett., 21, 2899-2902, 1994.
6. Yamamoto, T., K. Shiokawa, and S. Kokubun, Magnetic field structures of the magnetotail as observed by GEOTAIL, Geophys. Res. Lett., 21, 2875-2878, 1994.
7. Kawano, H., T. Yamamoto, S. Kokubun, K. Tsuruda, A. T. Y. Lui, D. J. Williams, K. Yumoto, H. Hayakawa, M. Nakamura, T. Okada, A. Matsuoka, K. Shiokawa, and A. Nishida, A Flux rope followed by recurring encounters with traveling compression regions: Geotail observations, Geophys. Res. Lett., 21, 2891-2894, 1994.
8. Yumoto, K., H. Osaki, K. Fukao, K. Shiokawa, Y. Tanaka, S. I. Solovyev, G. Krymskij, E. F. Vershinin, V. F. Osinin, and 210 (deg) MM magnetic observation group, Correlation of high- and low-latitude Pi 2 magnetic pulsations observed at 210 (deg) magnetic meridian chain stations, J. Geomag. Geoelectr., 46, 925-935, 1994.
9. Yumoto, K., T. Endo, K. Shiokawa, Y. Tanaka, and 210 (deg) MM magnetic observation group, Ionospheric current and magnetic variations caused by low-latitude aurorae, COSPAR Colloquia Series Vol.7, Low-latitude Ionospheric Physics, Pergamon Press, Edited by Fu-Shong Kuo, p.241-250, 1994.
10. Yumoto, K., V. Pilipenko, E. Fedorov, N. Kurneva, and K. Shiokawa, The mechanisms of damping of geomagnetic pulsations, J. Geomag. Geoelectr., 47, 163-176, 1995.
11. Yumoto, K., H. Matsuoka, H. Osaki, K. Shiokawa, Y. Tanaka, T.I. Kitamura, H. Tachihara, M. Shinohara, S. I. Solovyev, G. A. Makarov, E. F. Vershinin, A. V. Buzevich, S. L. Manurung, Obay Sobari, M. Ruhimat, Sukmadradjat, R. J. Morris, B. J. Fraser, F. W. Menk, K. J. W. Lynn, D. G. Cole, J. A. Kennewell, J. V. Olson, and S.-I. Akasofu, North/south asymmetry of sc/si magnetic variations observed along the 210 (deg) magnetic meridian, J. Geomag. Geoelectr., 48, 1333-1340, 1996.
12. Osaki, H., K. Yumoto, K. Fukao, K. Shiokawa, F. W. Menk, B. J. Fraser, and the 210 (deg) MM magnetic observation group, Characteristics of low-latitude Pi 2 pulsations along the 210 (deg) magnetic meridian, J. Geomag. Geoelectr., 48,
1421-1430, 1996.
13. Hudson, M. K., A. D. Kotelnikov, X. Li, J. G. Lyon, I Roth, M. Temerin, J. R. Wygant, J. B. Blake, M. S. Gussenhoven, K. Yumoto, and K. Shiokawa, Modelling formation of new radiation belts and response to ULF oscillations following March 24, 1991 SSC, in Workshop on the Earth's trapped particle environment, edited by G. D. Reeves, p.119-127, American Institute of Physics, Woodbury, N. Y., 1996.
14. Araki, T., S. Fujitani, K. Yumoto, K. Shiokawa, T. Ichinose, S. Tsunomura, Y. Yamada, H. Luhr, D. Orr, D. K. Milling, H. Singer, G. Rostoker, and C. F. Liu, Anomalous sudden commencement on March 24, 1991, J. Geophys. Res., 102, 14,075-14,086, 1997.
15. Petrukovich, V., V. A. Sergeev, L. M. Zelenyi, T. Mukai, T. Yamamoto, S. Kokubun, K. Shiokawa, C. S. Deehr, E. Y. Budnick, J. Buchner, A. O. Fedorov, V. P. Grigorieva, T. J. Hughes, N. F. Pissarenko, S. A. Romanov, and I. Sandahl, Two spacecraft observations of a reconnection pulse during an auroral breakup, J. Geophys. Res., 103, 47-59, 1998.
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19. Katoh, Y., K. Shiokawa, M. Satoh, M. K. Ejiri, T. Ogawa, Calibration of all-sky cameras and tilting-photometers using an integrating-sphere and a spectrometer, Antarctic Record, 43, 1-15, 1999.
20. Birn, J., M. Hesse, G. Haerendel, W. Baumjohann, and K. Shiokawa, Flow braking and the substorm current wedge, J. Geophys. Res., 104, 19,895-19,903, 1999.
21. Kubota, M., M. Ishii, K. Shiokawa, M. K. Ejiri, and T. Ogawa, Height measurements of nightglow structures observed by all-sky imagers, Adv. Space Res., 24, 593-596, 1999.
22. Lyons, L. R., H. Koskinen, J. B. Blake, A. Egeland, M. Hirahara, M. Oieroset, P. E. Sandholt, and K. Shiokawa, Processes leading to plasma losses into the high-latitude atmosphere, Space Sci. Rev., 88(1-2), 85-135, 1999.
23. Daglis, I. A., Y. Kamide, C. Mouikis, G. D. Reeves, E. T. Sarris, K. Shiokawa, and B. Wilken, "Fine structure" of the storm-substorm relationship, Adv. Space Res., 25, 2369-2372, 2000.
24. Kubota, M., K. Shiokawa, M. K. Ejiri, Y. Otsuka, T. Ogawa, T. Sakanoi, H. Fukunishi, M. Yamamoto, S. Fukao, and A. Saito, Traveling ionospheric disturbances observed in the OI 630-nm nightglow images over Japan by using a multi-point imager network during the FRONT campaign, Geophys. Res. Lett., 24, 4037-4040, 2000.
25. Saito, A., M. Nishimura, M. Yamamoto, M. Kubota, K. Shiokawa, Y. Otsuka, T. Tsugawa, S. Fukao, T. Ogawa, M. Ishii, T. Sakanoi, and S. Miyazaki, Traveling ionospheric disturbances detected in the FRONT campaign, Geophys. Res. Lett., 28, 689-692, 2001.
26. Sahai, Y., K. Shiokawa, Y. Otsuka, C. Ihara, T. Ogawa, K. Igarashi, S. Miyazaki, and T. Saito, Imaging observations of mid-latitude ionospheric disturbances during the geomagnetic storm on February 12, 2000, J. Geophys. Res., 106, 24,481-24,492, 2001.
27. Ejiri, M. K., K. Shiokawa, T. Ogawa, T. Nakamura, R. Maekawa, T. Tsuda, and M. Kubota, Observations of small-scale gravity waves near the mesopause obtained from four all-sky CCD imagers and the MU radar, J. Geophys. Res., 106, 22,793-22,799, 2001.
28. Nakamura, T., T. Tsuda, R. Maekawa, M. Tsutsumi, K. Shiokawa, and T. Ogawa, Seasonal variation of gravity waves with various temporal and horizontal scales in the MLT region observed with radar and airglow imaging, Adv. Space Res., 27, 1737-1742, 2001.
29. Sergeev, V. A., W. Baumjohann, and K. Shiokawa, Bi-directional electron distributions associated with near-tail flux transport, Geophys. Res. Lett., 28, 3813-3816, 2001.
30. Balan, N., Y. Otsuka, T. Tsugawa, S. Miyazaki, T. Ogawa, K. Shiokawa, and G. J. Bailey, Plasmaspheric electron content in the GPS ray paths over Japan, Earth Planets Space, 54, 71-79, 2002.
31. Ogawa, T., N. Balan, Y. Otsuka, K. Shiokawa, C. Ihara, T. Shimomai, and A. Saito, Observations and modeling of 630 nm airglow and total electron content associated with traveling ionospheric disturbances over Shigaraki, Japan, Earth Planets Space, 54, 45-56, 2002.
32. Ejiri, M. K., K. Shiokawa, T. Ogawa, M. Kubota, T. Nakamura, and T. Tsuda, Dual-site imaging observations of small-scale wave structures through OH and OI nightglow emissions, Geophys. Res. Lett., 29, No.10, 10.1029/2001GL014257, 2002.
33. Iwagami, N., T. Shibaki, T. Suzuki, Y. Yamada, H. Onishi, Y. Takahashi, H. Yamamoto, H. Sekiguchi, K. Mori, Y. Sano, M. Kubota, Y. Murayama, M. Ishii, K.-I. Oyama, R. Yoshimura, M. Shimoyama, Y. Koizumi, K. Shiokawa, N. Takegawa, and T. Nakamura, The WAVE2000 campaign: Overview and preliminary results, J. Atmos. Solar-Terr. Phys., 64, 1095-1104, 2002.
34. Otsuka, Y., K. Shiokawa, T. Ogawa, and P. Wilkinson, Geomagnetic conjugate observations of equatorial airglow depletions Geophys. Res. Lett., 29, No.15, 43-1-4, 10.1029/2002GL015347, 2002.
35. Kim, K.-H., C. A. Cattell, D.-H. Lee, K. Takahashi, K. Yumoto, K. Shiokawa, F. S. Mozer, and M. Andre, Magnetospheric responses to sudden and quasiperiodic solar wind variations, J. Geophys. Res., 107(A11), 1406, doi:10.1029/2002JA009342, 2002.
36. Gavrilov, N. M., K. Shiokawa, and T. Ogawa, Seasonal variations of medium-scale gravity wave parameters in the lower thermosphere obtained from spectral airglow temperature imager observations at Shigaraki, Japan, J. Geophys. Res., 107(D24), 4755, doi:10.1029/2001JD001469, 2002.
37. Otsuka, Y., T. Kadota, K. Shiokawa, T. Ogawa, S. Kawamura, S. Fukao, and S.-R. Zhang, Optical and radio measurements of a 630-nm airglow enhancement propagating over Japan on September 9, 1999, J. Geophys. Res., 108 (A6), 1252, doi:10.1029/2002JA009594, 2003.
38. Ejiri, M. K., K. Shiokawa, T. Ogawa, K. Igarashi, T. Nakamura, and T. Tsuda, Statistical study of short-period gravity waves in OH and OI nightglow images at two separated sites, J. Geophys. Res., 108 (D21), 4679, doi:10.1029/2002JD002795, 2003.
39. Fujii, J., T. Nakamura, T. Tsuda, and K. Shiokawa, Comparison of winds measured by MU radar and Fabry-Perot interferometer and effect of OI5577 airglow height variations, J. Atmos. Solar-Terr. Phys., 66, 573-583, 2004.
40. Balan, N., S. Kawamura, T. Nakamura, M. Yamamoto, S. Fukao, K. Igarashi, T. Maruyama, K. Shiokawa, Y. Otsuka, T. Ogawa, H. Alleyne, S. Watanabe, and Y. Murayama, Simultaneous MLT and thermospheric F region observations during geomagnetic storm, J. Geophys. Res., 109, A04308, doi:10.1029/2003JA009982, 2004.
41. Takahashi, H., T. Nakamura, K. Shiokawa, T. Tsuda, L. M. Lima, and D. Gobbi, Atmospheric density and pressure inferred from the meteor diffusion coefficient and airglow O2b temperature in the MLT region, Earth Planets Space, 56, 249-258, 2004.
42. Suzuki, S., K. Shiokawa, Y. Otsuka, T. Ogawa, and P. J. Wilkinson, Statistical characteristics of gravity waves observed by an all-sky imager at Darwin, Australia, J. Geophys. Res., 109, D20S07, doi:10.1029/2003JD004336, 2004.
43. Otsuka, Y., K. Shiokawa, T. Ogawa, and P. Wilkinson, Geomagnetic conjugate observations of medium-scale traveling ionospheric disturbances at midlatitude using all-sky airglow imagers, Geophys. Res. Lett., L15803, doi:10.1029/2004GL020262, 2004.
44. Otsuka, Y., K. Shiokawa, T. Ogawa, T. Yokoyama, M. Yamamoto, and S. Fukao, Spatial relationship of equatorial plasma bubbles and field-aligned irregularities observed with an all-sky airglow imager and the Equatorial Atmosphere Radar, Geophys. Res. Lett., 31, L20802, doi:10.1029/2004GL020869, 2004.
45. Nakazawa, Y., T. Okada, and K. Shiokawa, Understanding the "SEKKI" phenomena in Japanese historical literatures based on the modern science of low-latitude aurora, Earth Planets Space, Vol. 56 (No. 12), pp. e41-e44, 2004.
46. Yago, K., K. Shiokawa, K. Hayashi, and K. Yumoto, Auroral particles associated with a substorm brightening arc, Geophys. Res. Lett., 32, L06104, doi:10.1029/2004GL021894, 2005.
47. Iwagami, N., S. Ohtsuki, M. Akojima, M. Kubota, Y. Murayama, S. Kawamura, R. Yoshimura, T. Nakamura, H. Yamamoto, H. Sekiguchi, N. Kimura, K. Shiokawa, T. Okada, K. Ishisaka, Y. Ashihara, Y. Kaiho, M. Abo, T. Abe, Y. Koizumi, and K.-I. Oyama, Waves in airglow structures experiment 2004: Overview and preliminary results, Adv. Space Res. vol.35, no.11, 1964-1970, 2005.
48. Ogawa, T., E. Sagawa, Y. Otsuka, K. Shiokawa, T. J. Immel, S. B. Mende, and P. Wilkinson, Simultaneous ground- and satellite-based airglow observations of geomagnetic conjugate plasma bubbles in the equatorial anomaly, Earth Planets Space, 57, 385-392, 2005.
49. Takahashi, H., C. M. Wrasse, D. Gobbi, T. Nakamura, K. Shiokawa, and L. M. Lima, Airglow OH emission height inferred from the OH temperature and meteor trail diffusion coefficient, Adv. Space Res., vol.35, No.11, 1940-1944, 2005.
50. Onoma, F., Y. Otsuka, K. Shiokawa, T. Ogawa, M. Yamamoto, S. Fukao, and S. Saito, Relationship between propagation direction of gravity waves in OH and OI airglow images and VHF radar echo occurrence during the SEEK-2 campaign, Ann. Geophys., 23, 2385-2390, 2005.
51. Ogawa, T., Y. Otsuka, F. Onoma, K. Shiokawa, and M. Yamamoto, The first coordinated observations of mid-latitude E-region quasi-periodic radar echoes and lower thermospheric 557.7-nm airglow, Ann. Geophys., 23, 2391-2399, 2005.
52. Nakata, H., I. Nagashima, K. Sakata, Y. Otsuka, Y. Akaike, T. Takano, S. Shimakura, K. Shiokawa, and T. Ogawa (2005), Observations of equatorial plasma bubbles using broadcast VHF radio waves, Geophys. Res. Lett., 32, L17110, doi:10.1029/2005GL023243.
53. Murata, K. T., K. Yamamoto, D. Matsuoka, E. Kimura, H. Matsumoto, M. Okada, T. Mukai, J. B. Sigwarth, S. Fujita, T. Tanaka, K. Yumoto, T. Ogino, K. Shiokawa, N. A. Tsyganenko, J. L. Green, and T. Nagai, Development of the virtual Earth's magnetosphere system (VEMS), Adv. Polar Upper Atmos. Res., 19, 135-151, 2005.
54. Blake, J. B., P. L. Slocum, J. E. Mazur, M. D. Looper, R. S. Selesnick and K. Shiokawa, Geoeffectiveness of shocks in populating the radiation belts, in Multiscale Coupling of Sun-Earth Processes, A. T. Y. Lui, Y. Kamide, and G. Consolini, eds., Elsevier B. V. p.125-133, 2005.
55. Sahai, Y., P. R. Fagundes, F. Becker-Guedes, M. J. A. Bolzan, J. R. Abalde, V. G. Pillat, R. de Jesus, A. G. R. Mokodsi, W. L. C. Lima, H. T. Lan, J. W. MacDougall, K. Igarashi, K. Shiokawa, G. Crowley, and J. A. Bittencourt, Effects of the major geomagnetic storms of October 2003 on the equatorial and low-latitude F region in two longitudinal sectors, J. Geophys. Res., 110, A12S91, doi:10.1029/2004JA010999, 2005.
56. Tsugawa, T., K. Shiokawa, Y. Otsuka, T. Ogawa, A. Saito, and M. Nishioka (2006), Geomagnetic conjugate observations of large-scale traveling ionospheric disturbances using GPS networks in Japan and Australia, J. Geophys. Res., 111, A02302, doi:10.1029/2005JA011300.
57. Otsuka, Y., N. Kotake, T. Tsugawa, K. Shiokawa, T. Ogawa, Effendy, S. Saito, M. Kawamura, T. Maruyama, N. Hemmakorn, and T. Komolmis, GPS detection of total electron content variations over Indonesia and Thailand following the 26 December 2004 earthquake, Earth Planets Space, 58, 159-165, 2006.
58. Ogawa, T., Y. Otsuka, K. Shiokawa, A. Saito, and M. Nishioka, Ionospheric disturbances over Indonesia and their possible association with atmospheric gravity waves from the troposphere, J. Meteor. Soc. Japan, Vol. 84A, pp. 327-342, 2006.
59. Otsuka, Y., K. Shiokawa, and T. Ogawa, Equatorial ionospheric scintillations and zonal irregularity drifts observed with closely-spaced GPS receivers in Indonesia, J. Meteor. Soc. Japan, Vol. 84A, pp. 343-351, 2006.
60. Kubota, M., S. Kawamura, M. Abo, Y. Koizumi, Y. Murayama, M. Yamamori, K. Shiokawa, Y. Otsuka, M. Uchiumi, K. Igarashi, T. Abe, K.-I. Oyama, and N. Iwagami (2006), A fast-propagating, large-scale atmospheric gravity wave observed in the WAVE2004 campaign, J. Geophys. Res., 111, D21110, doi:10.1029/2005JD006788.
61. Hosokawa, K., K. Shiokawa, Y. Otsuka, A. Nakajima, T. Ogawa, and J. D. Kelly, Estimating drift velocity of polar cap patches with all-sky airglow imager at Resolute Bay, Canada, Geophys. Res. Lett., vol. 33, L15111, doi:10.1029/2006GL026916, 2006.
62. Takahashi, H., C. M. Wrasse, D. Pancheva, M. A. Abdu, I. S. Batista, L. M. Lima, , P. P. Batista, B. R. Clemesha, K. Shiokawa, Signatures of 3-6 day planetary waves in the equatorial mesosphere and ionosphere, Ann. Geophys., 24, 3343-3350,, 2006.
63. Tsugawa, T., T. Sadakane, J. Sato, Y. Otsuka, T. Ogawa, K. Shiokawa, and A. Saito, Summer-Winter Hemispheric Asymmetry of Sudden Increase in Ionospheric Total Electron Content Induced by Solar Flares: A Role of O/N2 Ratio, J. Geophys. Res., A11316, doi:10.1029/2006JA011951, 2006.
64. Suzuki, S., K. Shiokawa, Y. Otsuka, T. Ogawa, K. Nakamura, and T. Nakamura, A concentric gravity wave structure in the mesospheric airglow images, J. Geophys. Res., 112, D02102, doi:10.1029/2005JD006558, 2007
65. Yago, K., K. Shiokawa, K. Yumoto, D. G. Baishev, S. I. Solovyev, and F. J. Rich, Simultaneous DMSP, all-sky camera, and IMAGE FUV observations of the brightening arc at a substorm pseudo-breakup, Earth Planets Space, 59, 45-49, 2007.
66. Sakaguchi, K., K. Shiokawa, A. Ieda, Y. Miyoshi, Y. Otsuka, T. Ogawa, M. Connors, E. F. Donovan, and F. J. Rich, Simultaneous ground and satellite observations of an isolated proton arc at subauroral latitudes, J. Geophys. Res., 112, A04202, doi:10.1029/2006JA012135, 2007.
67. Otsuka, Y., F. Onoma, K. Shiokawa, T. Ogawa, M. Yamamoto, and S. Fukao, Simultaneous observations of nighttime medium-scale traveling ionospheric disturbances and E region field-aligned irregularities at midlatitude, J. Geophys. Res., 112, A06317, doi:10.1029/2005JA011548, 2007.
68. Suzuki, S., K. Shiokawa, Y. Otsuka, T. Ogawa, M. Kubota, M. Tsutsumi, T. Nakamura, and D. C. Fritts, Gravity wave momentum flux in the upper mesosphere derived from OH airglow imaging measurements, Earth Planets Space, 59, 421-428, 2007.
69. Nakajima, A., K. Shiokawa, K. Seki, R. J. Strangeway, J. P. McFadden, and C. W. Carlson, Particle and field characteristics of broadband electrons observed by the FAST satellite during a geomagnetic storm, J. Geophys. Res., 112, A06220, doi:10.1029/2006JA012184, 2007.
70. Becker-Guedes, F., Y. Sahai, P. R. Fagundes, E. S. Espinoza, V. G. Pillat, W. L. C. Lima, Su. Basu, Sa. Basu, Y. Otsuka, K. Shiokawa, E. M. MacKenzie, X. Pi, and J. A. Bittencourt, The ionospheric response in the Brazilian sector during the super geomagnetic storm on 20 November 2003, Ann. Geophys., 25, 863-873, 2007.
71. Takahashi, H., C. M. Wrasse, J. Fechine, D. Pancheva, M. A. Abdu and I. S. Batista, L. M. Lima, P. P. Batista B. R. Clemesha, N. J. Schuch, K. Shiokawa, D. Gobbi, M. G. Mlynczak, and J. M. Russell, Signatures of ultra fast Kelvin waves in the equatorial middle atmosphere and ionosphere, Geophys. Res. Lett., 34, L11108, doi:10.1029/2007GL029612, 2007.
72. Sakaguchi, K., K. Shiokawa, Y. Miyoshi, Y. Otsuka, T. Ogawa, K. Asamura, and M. Connors, Simultaneous appearance of isolated auroral arcs and Pc 1 geomagnetic pulsations at subauroral latitudes, J. Geophys. Res., 113, A05201, doi:10.1029/2007JA012888, 2008.
73. Suzuki H., K. Shiokawa, M. Tsutsumi, T. Nakamura and M. Taguchi, Atmospheric gravity waves identified by ground-based observations of the intensity and rotational temperature of OH airglow, Polar Science, 2, 1-8, 2008.
74. Donovan, E., W. Liu, J. Liang, E. Spanswick, I. Voronkov, M. Connors, M. Syrjasuo, G. Baker, B. Jackel, T. Trondsen, M. Greffen, V. Angelopoulos, C. T. Russell, S. B. Mende, H. U. Frey, A. Keiling, C. Carlson, J. McFadden, K.-H. Glassmeier, U. Auster, K. Hayashi, K. Sakaguchi, K. Shiokawa, J. A. Wild, and I. J. Rae, Simultaneous THEMIS in situ and auroral observations of a small substorm, Geophys. Res. Lett., 35, L17S18, doi:10.1029/2008GL033794, 2008.
75. Nakajima, A., K. Shiokawa, K. Seki, J. P. McFadden, C. W. Carlson, R. J. Strangeway, and K. Yumoto, Particle and field characteristics of broadband electrons observed by the FAST satellite during geomagnetic storms: A multievent study, J. Geophys. Res., 113, A06221, doi:10.1029/2007JA013001, 2008.
76. Ohya, H., K. Shiokawa, and Y. Miyoshi, Development of an automatic procedure to estimate the reflection height of tweek atmospherics, Earth Planets Space, 60, 837-843, 2008.
77. Keiling, A., V. E. Angelopoulos, D. Larson, R. Lin, J. McFadden, C. Carlson, J. W. Bonnell, F. S. Mozer, K.-H. Glassmeier, U. Auster, W. Magnes, S. B. Mende, H. Frey, A. Roux, O. LeContel, S. Frey, T. Phan, E. Donovan, C. T. Russell, I. Mann, W. Liu, X. Li, M. Fillingham, G. Parks, K. Shiokawa, and J. Raeder, Correlation of substorm injections, auroral modulations, and ground Pi2, Geophys. Res. Lett., 35, No. 17, L17S22, doi:10.1029/2008GL033969, 2008.
78. Koustov, A., K. Hosokawa, N. Nishitani, T. Ogawa, and K. Shiokawa, Rankin Inlet PolarDARN radar observations of duskward moving Sun-aligned optical forms, Ann. Geophys., 26, 2711-2723, 2008.
79. Miyoshi, Y., K. Sakaguchi, K. Shiokawa, D. Evans, J. Albert, M. Connors, and V. Jordanova, Precipitation of radiation belt electrons by EMIC waves, observed from ground and space, Geophys. Res. Lett., 35, doi:10.1029/2008GL035727, 2008.
80. Sahai, Y., F. Becker-Guedes, P. R. Fagundes,R. de Jesus, A. J. de Abreu, Y. Otsuka, K. Shiokawa, K .Igarashi, K. Yumoto, C.-S. Huang, H. T. Lan, A. Saito, F. L. Guarnieri, V. G. Pillat, and J. A. Bittencourt, Effects observed in the ionospheric F region in the east Asian sector during the intense geomagnetic disturbances in the early part of November 2004, J. Geophys. Res., 114, A00A18, doi:10.1029/2008JA013053, 2009.
81. Suzuki, S., K. Shiokawa, K. Hosokawa, K. Nakamura, and W. K. Hocking, Statistical characteristics of polar cap mesospheric gravity waves observed by an all-sky airglow imager at Resolute Bay, Canada, J. Geophys. Res., 114, A01311, doi:10.1029/2008JA013652, 2009.
82. Sakaguchi, K., K. Shiokawa, A. Ieda, R. Nomura, A. Nakajima, M. Greffen, E. Donovan, I. R. Mann, H. Kim, and M. Lessard, Fine structures and dynamics in auroral initial brightening at substorm onsets, Ann. Geophys., 27, 623-630, 2009.
83. Watari, S., M. Kunitake, K. Kitamura, T. Hori, T. Kikuchi, K. Shiokawa, N. Nishitani, R. Kataoka, Y. Kamide, T. Aso, Y. Watanabe, and Y. Tsuneta, Measurements of geomagnetically induced current (GIC) in a power grid in Hokkaido, Japan, Space Weather, 7, S03002, doi:10.1029/2008SW000417, 2009.
84. Hosokawa, K., K. Shiokawa, Y. Otsuka, and T. Ogawa, J. P. St-Maurice, G. J. Sofko, and D. A. Andre, Relationship between polar cap patches and field-aligned irregularities as observed with an all-sky airglow imager at Resolute Bay and the PolarDARN radar at Rankin Inlet, J. Geophys. Res., 114, A03306, doi:10.1029/2008JA013707, 2009.
85. Otsuka, Y., K. Shiokawa, T. Ogawa, T. Yokoyama, and M. Yamamoto, Spatial relationship of nighttime medium-scale traveling ionospheric disturbances and F-region field-aligned irregularities observed with two spaced all-sky airglow imagers and the MU radar, J. Geophys. Res., 114, A05302, doi:10.1029/2008JA013902, 2009.
86. Ogawa, T., N. Nishitani, Y. Otsuka, K. Shiokawa, T. Tsugawa, and K. Hosokawa, Medium-scale traveling ionospheric disturbances observed with the SuperDARN Hokkaido radar, all-sky imager and GPS network, and their relation to concurrent sporadic-E irregularities, J. Geophys. Res., 114, A03316, doi:10.1029/2008JA013893, 2009.
87. Balan, N., K. Shiokawa, Y. Otsuka, S. Watanabe and G. J. Bailey, Super plasma fountain and equatorial ionisation anomaly during penetration electric field, J. Geophys. Res., 114, A03310, doi:10.1029/2008JA013768, 2009.
88. Hosokawa, K., T. Kashimoto, S. Suzuki, K. Shiokawa, Y. Otsuka and T. Ogawa, Motion of polar cap patches: A statistical study with all-sky airglow imager at Resolute Bay, Canada, J. Geophys. Res., 114, A04318, doi:10.1029/2008JA014020, 2009.
89. Hosokawa, K., T. Tsugawa, K. Shiokawa, Y. Otsuka, T. Ogawa, and M. R. Hairston, Unusually elongated, bright airglow plume in the polar cap F region: Is it a tongue of ionization?, Geophys. Res. Lett., 36, L07103, doi:10.1029/2009GL037512, 2009.
90. Suzuki, S., K. Shiokawa, Y. Otsuka, T. Ogawa, T. Nakamura, and A.Z. Liu, Characteristics of equatorial gravity waves derived from mesospheric airglow imagning observations, Ann. Geophys., 27, 1625-1629, 2009.
91. Saroso, S., K. Hattori, H. Ishikawa, Y. Ida, R. Shirogane, M. Hayakawa, K. Yumoto, K. Shiokawa, and M. Nishihashi, ULF geomagnetic anomalous changes possibly associated with 2004-2005 Sumatra earthquakes, Phys. Chem. Earth, 34, 343-349, 2009.
92. Ogawa, T., Y. Otsuka, K. Shiokawa, T. Tsugawa, A. Saito, K. Hoshinoo, K. Matunaga, M. Kubota, and M. Ishii, Medium-scale traveling ionospheric disturbances and plasma bubbles observed by an all-sky airglow at Yonaguni, Japan, Terr. Atmos. Ocean Sci., 20, 287-295, doi:10.3319/TAO.2007.12.06.02(F3C), 2009.
93. Takahashi, H., M. A. Abdu, C. M. Wrasse, J. Fechine, I. S. Batista, D. Pancheva, L. M. Lima, P. P. Batista, B. R. Clemesha, K. Shiokawa, D. Gobbi, M. G. Mlynczak, and J. M. Russell, Possible influence of ultra-fast Kelvin wave on the equatorial ionosphere evening uplifting, Earth Planets Space, 61, 455-462, 2009.
94. Ogawa, T., Y. Miyoshi, Y. Otsuka, T. Nakamura, and K. Shiokawa, Equatorial GPS ionospheric scintillations over Kototabang, Indonesia and their relation to atmospheric waves from below, Earth Planets Space, 61(4), 397-410, 2009.
95. Suzuki, S., K. Hosokawa, T. F. Shibata, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa, A. V. Koustov, and B. M. Shevtsov, Coordinated observations of nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow and HF radar echoes at midlatitudes, J. Geophys. Res., 114, A07312, doi:10.1029/2008JA013963, 2009.
96. Koustov, A., N. Nishitani, K. Shiokawa, S. Suzuki, and B.M. Shevtsov, Joint observations of a traveling ionospheric disturbance with the Paratunka OMTI camera and the Hokkaido HF radar, Ann. Geophys., 27, 2399-2406, 2009.
97. Taguchi, M., T. Sakanoi, S. Okano, M. Kagitani, M. Kikuchi, M. Ejiri, I. Yoshikawa, A. Yamazaki, G. Murakami, K. Yoshioka, S. Kameda, W. Miyake, M. Nakamura and K. Shiokawa, The upper atmosphere and plasma imager / the telescope of visible light (UPI/TVIS) onboard the Kaguya spacecraft, Earth Planets Space, 61, xvii-xxiii, 2009.
98. Alina Marie Hasbi, Mohammed Awad Momani, Mohd Alauddin Mohd Ali, Norbahiah Misran, K. Shiokawa, Y. Otsuka, and K. Yumoto, Ionospheric and geomagnetic disturbances during the 2005 Sumatran earthquakes, J. Atmos. Solar-Terr. Phys., 71, 17-18, pp. 1992-2005, doi:10.1016/j.jastp.2009.09.004, 2009.
99. Sakaguchi, K., K. Shiokawa, and E. Donovan, Azimuthal structures of ray auroras at the beginning of auroral substorms, Geophys. Res. Lett., 36, L23106, doi:10.1029/2009GL041252, 2009.
100. Jayachandran, P. T., K. Hosokawa, J. W. MacDougall, S. Mushini, R. B. Langley, and K. Shiokawa, GPS total electron content variations associated with a polar cap arc, J. Geophys. Res., 114, A12304, doi:10.1029/2009JA014916, 2009.
101. Balan, N., K. Shiokawa, Y. Otsuka, T. Kikuchi, D. Vijaya Lekshmi, S. Kawamura, M. Yamamoto, and G. J. Bailey, A physical mechanism of positive ionospheric storms at low and mid latitudes through observations and modeling, J. Geophys. Res., 115, A02304, doi:10.1029/2009JA014515, 2010.
102. Hosokawa, K., J. P. St-Maurice, G. J. Sofko, K. Shiokawa, Y. Otsuka, T. Ogawa, Reorganization of polar cap patches through shears in the background plasma convection, J. Geophys. Res., 115, A01303, doi:10.1029/2009JA014599, 2010.
103. Nakajima, A., K. Shiokawa, K. Seki, R. Nakamura, K. Keika, W. Baumjohann, T. Takada, J. P. McFadden, C. W. Carlson, A. N. Fazakerley, H. Reme, I. Dandouras, R. J. Strangeway, O. Le Contel, N. Cornilleau-Wehrlin, and K. H. Yearby, Simultaneous FAST and Double Star-TC1 observations of broadband electrons during a storm-time substorm, J. Geophys. Res., 115, A07217, doi:10.1029/2009JA014907, 2010.
104. Suzuki, S., T. Nakamura , M. K. Ejiri, M. Tsutsumi, K. Shiokawa, T. Kawahara, Simultaneous airglow, lidar, and radar measurements of mesospheric gravity waves over Japan, J. Geophys. Res., 115, D24113, doi:10.1029/2010JD014674, 2010.
105. Oyama, S., K. Shiokawa, J. Kurihara, T. T. Tsuda, S. Nozawa, Y. Ogawa, Y. Otsuka, and B. J. Watkins, Lower-thermospheric wind fluctuations measured with an FPI in pulsating aurora at Tromsoe, Norway, Ann. Geophys., 28, 1847-1857, 2010.
106. Otsuka, Y., N. Kotake, K. Shiokawa, T. Ogawa, T. Tsugawa, and A. Saito, Statistical Study of Medium-Scale Traveling Ionospheric Disturbances Observed with a GPS Receiver Network in Japan, Aeronomy of the Earth's Atmosphere and Ionosphere IAGA Special Sopron Book Series, Volume 2, Part 3, 291-299, DOI: 10.1007/978-94-007-0326-1_21, 2011.
107. Hosokawa, K., T. Tsugawa, K. Shiokawa, Y. Otsuka, N. Nishitani, T. Ogawa and M. Hariston, Dynamic temporal evolution of polar cap tongue of ionization during magnetic storm, J. Geophys. Res., 115, A12333, doi:10.1029/2010JA015848, 2010.
108. Miyoshi, Y., K. Seki, K. Shiokawa, T. Ono, Y. Kasaba, A. Kumamoto, M. Hirahara, T. Takashima, K. Asamura, A. Matsuoka, T. Nagatsuma, and ERG working group, Geospace Exploration Mission: ERG Project, Trans. JSASS Aerospace Tech. Japan, Vol. 8, No. ists27, pp. Tm_1-Tm_6, 2010.
109. Nomura, R., K. Shiokawa, S. Pilipenko, B. Shevtsov, Frequency-dependent polarization characteristics of Pc1 geomagnetic pulsations observed by multi-point ground stations at low latitudes, J. Geophys. Res., 116, A01204, doi:10.1029/2010JA015684, 2011.
110. Sakaguchi, K., K. Shiokawa, E. Donovan, A. Nakajima, Y. Hiraki, T. S. Trondsen , F. Plaschke, Periodic black auroral patches at the dawnside dipolarization front during a substorm, J. Geophys. Res., 116, A00I18, doi:10.1029/2010JA015957, 2011.
111. Hosokawa, K., J. I. Moen, K. Shiokawa, and Y. Otsuka, Motion of polar cap arcs, J. Geophys. Res., 116, A01305, doi:10.1029/2010JA015906, 2011.
112. Schekotov A., V. Pilipenko, K. Shiokawa, and E. Fedorov, ULF impulsive magnetic response at mid-latitudes to lightning activity, Earth Planets Space, 63, 119-128, 2011.
113. Balan, N., M. Yamamoto, V. Sreeja, I. S. Batista, K. J. W. Lynn, M. A. Abdu, S. Ravindran, T. Kikuchi, Y. Otsuka, K. Shiokawa and S. Alex, A statistical study of the response of dayside equatorial F2 layer to the main phase of intense geomagnetic storms as an indicator of penetration electric field, J. Geophys. Res., 116, A3, A03323, doi:10.1029/2010JA016001, 2011.
114. Adachi, T., Y. Otsuka, M. Yamaoka, M. Yamamoto, K. Shiokawa, A. B. Chen, and R. Hsu, First satellite-imaging observation of medium-scale traveling ionospheric disturbances by FORMOSAT-2/ISUAL, Geophys. Res. Lett., 38, L04101, doi:10.1029/2010GL046268, 2011.
115. Hosokawa, K., J. Moen, K. Shiokawa, and Y. Otsuka, Decay of polar cap patch, J. Geophys. Res., 116, A05306, doi:10.1029/2010JA016297, May 10, 2011.
116. Kataoka R., Y. Miyoshi, T. Sakanoi, A. Yaegashi, K. Shiokawa, and Y. Ebihara, Turbulent microstructures and formation of folds in auroral breakup arc, J. Geophys. Res., 116, A00K02, doi:10.1029/2010JA016334, 2011.
117. Takahashi, H., A. Onohara, K. Shiokawa, F. Vargas, and D. Gobbi, Atmospheric wave induced O2 and OH airglow intensity variations: effect of vertical wavelength and damping, Ann. Geophys., 29, 1-7, 2011.
118. Kataoka, R., Y. Miyoshi, T. Sakanoi, A. Yaegashi, Y. Ebihara, and K. Shiokawa, Ground-based multispectral high-speed imaging of flickering aurora, Geophys. Res. Lett., 38, L14106, doi:10.1029/2011GL048317, 2011.
119. Ohya, H., K. Shiokawa, and Y. Miyoshi, Long-term variations in the tweek reflection height in the D- and lower E-region ionosphere, J. Geophys. Res., 116, A10322, doi:10.1029/2011JA016800, 2011.
120. Lee, S., K. Shiokawa, J. P. McFadden, and T. Nishimura, A statistical study of plasma sheet electrons carrying auroral upward field-aligned currents measured by THEMIS, J.Geophys. Res., 116, A12202, doi:10.1029/2011JA016954, 2011.
121. Yamazaki, Y., K. Yumoto, M. G. Cardinal, B. J. Fraser, P. Hattori, Y. Kakinami, J. Y. Liu, K. J. W. Lynn, R. Marshall, D. McNamara, T. Nagatsuma, V. M. Nikiforov, R. E. Otadoy, M. Ruhimat, B. M. Shevtsov, K. Shiokawa, S. Abe, T. Uozumi, and A. Yoshikawa, An empirical model of the quiet daily geomagnetic field variation, J. Geophys. Res., 116, A10312, doi:10.1029/2011JA016487, 2011.
122. Lynn, K. J. W., Y. Otsuka, and K. Shiokawa, Simultaneous observations at Darwin of equatorial bubbles by ionosonde-based range/time displays and airglow imaging, Geophys. Res. Lett., doi:10.1029/2011GL049856, 38, L23101, 2011.
123. Jayachandran, P. T., C. Watson, I. J. Rae, J. W. MacDougall, D. W. Danskin, R. Chadwick1, T. D. Kelly, P. Prikryl, K. Meziane, and K. Shiokawa, High-Latitude GPS TEC Changes Associated with a Sudden Magnetospheric Compression, Geophys. Res. Lett., 38, L23104, doi:10.1029/2011GL050041, 2011.
124. Otsuka, Y., K. Shiokawa, M. Nishioka, and Effendy, VHF Radar Observations of Post-Midnight F-Region Field-Aligned Irregularities over Indonesia during Solar Minimum, Indian Journal of Radio and Space Physics, 41, 199-207, 2012.
125. Nomura, R., K. Shiokawa, K. Sakaguchi, Y. Otsuka, and M. Connors, Polarization of Pc1/EMIC waves and related proton auroras observed at subauroral latitudes, J. Geophys. Res., 117, A02318, doi:10.1029/2011JA017241, 2012.
126. Nakajima, A., K. Shiokawa, K. Sakaguchi, Y. Miyoshi, S. Lee, V. Angelopoulos, O. Le Contel, J. P. McFadden, J. W. Bonnell, K.-H. Fornacon, and E. Donovan, Electron and wave characteristics observed by the THEMIS satellites near the magnetic equator during a pulsating aurora, J. Geophys. Res., 117, A03219, doi:10.1029/2011ja017066, 2012.
127. Dahlgren, H., J. L. Semeter, K. Hosokawa, M. J. Nicolls, T. W. Butler, M. G. Johnsen, and K. Shiokawa, Direct Three-dimensional Imaging of Polar Ionospheric Structures with the Resolute Bay Incoherent Scatter Radar, Geophys. Res. Lett., Vol. 39, No. 5, L05104, doi:10.1029/2012GL050895, 2012.
128. Koustov, A. V., K. Hosokawa, N. Nishitani, K. Shiokawa, and H. Liu, Signatures of moving polar cap arcs in the F-region PolarDARN echoes, Ann. Geophys., 30, 441-455, 2012.
129. Keiling, A., K. Shiokawa, V. Uritsky, V. Sergeev, E. Zesta, L. Kepko, and N. Ostgaard, Auroral signatures of the dynamic plasma sheet, in Auroral Phenomenology and Magnetospheric Processes: Earth and Other Planets, Geophys. Monogr. Ser., vol. 197, edited by A. Keiling, E. Donovan, F. Bagenal, and T. Karlsson, 317-335, AGU, Washington, D. C., doi:10.1029/2012GM001231, 2012.
130. Jayachandran, P. T., K. Hosokawa, K. Shiokawa, Y. Otsuka, C. W. Watson, S. C. Mushini, J. W. MacDougall, P. Prikryl, R. Chadwick, and T. D. Kelly, GPS total electron content variations associated with poleward moving sun aligned arcs, J. Geophys. Res., 117, A5, doi:10.1029/2011ja017423, 2012.
131. Otsuka, Y., K. Shiokawa, and T. Ogawa, Disappearance of equatorial plasma bubble after interaction with mid-latitude medium-scale traveling ionospheric disturbance, Geophys. Res. Lett., 39, L14105, doi:10.1029/2012GL052286, 2012.
132. Ozaki, M., S. Yagitani, K. Ishizaka, K. Shiokawa, Y. Miyoshi, A. Kadokura, H. Yamagishi, R. Kataoka, A. Ieda, Y. Ebihara, N. Sato, and I. Nagano, Observed correlation between pulsating aurora and chorus waves at Syowa Station in Antarctica: a case study, J. Geophys. Res., 117, A08211, doi:10.1029/2011JA017478, 2012.
133. Nishioka, M., Y. Otsuka, K. Shiokawa, T. Tsugawa, Effendy, P. Supnithi, T. Nagatsuma, and K. T. Murata, On post-midnight field-aligned irregularities observed with a 30.8-MHz radar at a low latitude: Comparison with F-layer altitude near the geomagnetic equator, J. Geophys. Res., 117, A8, A08337, doi:10.1029/2012JA017692, 2012.
134. Miyoshi, Y., T. Ono, T. Takashima, K. Asamura, M. Hirahara, Y. Kasaba, A. Matsuoka, H. Kojima, K. Shiokawa, K. Seki, M. Fujimoto, T. Nagatsuma, C.Z. Cheng, Y. Kazama, S. Kasahara, T. Mitani, H. Matsumoto, N. Higashio, A. Kumamoto, S. Yagitani, Y. Kasahara, K. Ishisaka, L. Blomberg, A. Fujimoto, Y. Katoh, Y. Ebihara, Y. Omura, M. Nose, T. Hori, Y. Miyashita, Y. Tanaka, T. Segawa, and ERG working group, The Energization and Radiation in Geospace (ERG) Project, in Dynamics of the Earth's Radiation Belts and Inner Magnetosphere, Geophys. Monogr. Ser., vol 199, edited by D.Summers, I.R. Mann,D.N.Baker,and M.Schulz, pp.103-116, AGU, Washington, D.C. doi:10.1029/2012BK001304, 2012.
135. Ogawa, T., N. Nishitani, T. Tsugawa, and K. Shiokawa, Giant ionospheric disturbances observed with the SuperDAN Hokkaido HF radar and GPS netwoork after the 2011 Tohoku earthquake, Earth Planets Space, 64, 1295-1307, 2012.
136. Kim, K.-H., J.-S. Park, H.-J. Kwon, D.-H. Lee, E. Lee, V. Angelopoulos, Y.-D. Park, J. Hwang, N. Nishitani, T. Hori, K. Shiokawa, K. Koga, T. Obara, K. Yumoto, and D. G. Baishev, Magnetospheric responses to the passage of the interplanetary shock on 24 November 2008, J. Geophys. Res., 117, A10, A10209, doi:10.1029/2012ja017871, 2012.
137. Sakaguchi, K., Y. Miyoshi, E. Spanswick, E. Donovan, I. R. Mann, V. Jordanova, K. Shiokawa, and M. Connors, J. C. Green, Visualization of ion cyclotron wave and particle interactions in the inner magnetosphere via THEMIS-ASI observations, J. Geophys. Res., 117, A10, A10204, doi:10.1029/2012ja018180, 2012.
138. Fukushima, D., K. Shiokawa, Y. Otsuka, and T. Ogawa (2012), Observation of equatorial nighttime medium-scale traveling ionospheric disturbances in 630-nm airglow images over 7 years, J. Geophys. Res., 117, A10324, doi:10.1029/2012JA017758.
139. Dahlgren, H., G. W. Perry, J. L. Semeter, J.-P. St.-Maurice, K. Hosokawa, M. J. Nicolls, M. Greffen, K. Shiokawa, and C. Heinselman, Space-time variability of polar cap patches: Direct evidence for internal plasma structuring, J. Geophys. Res., 117, A09312, doi:10.1029/2012JA017961, 2012.
140. Ohya, H., F. Tsuchiya, H. Nakata, K. Shiokawa, Y. Miyoshi, K. Yamashita, and Y. Takahashi, Reflection height of daytime tweek atmospherics during the solar eclipse of 22 July 2009, J. Geophys. Res., 117, A11310, doi:10.1029/2012ja018151, 2012.
141. Suzuki, S., K. Shiokawa, Y. Otsuka, S. Kawamura, and Y. Murayama, Evidence of gravity wave ducting in the mesopause region from airglow network observations, Geophys. Res. Lett., 40, 601-605, doi:10.1029/2012GL054605, 2013.
142. Otsuka, Y., K. Suzuki, S. Nakagawa, M. Nishioka, K. Shiokawa, and T. Tsugawa, GPS Observations of Medium-Scale Traveling Ionospheric Disturbances over Europe, Ann. Geophys., 31, 163-172, 2013.
143. Lee, S., K. Shiokawa, J. P. McFadden, and K. Seki, Geomagnetic conjugate observations of plasmasheet electrons by the FAST and THEMIS satellites, J. Geophys. Res.: Space Physics, 118, 132-145, doi:10.1029/2012JA017805, 2013.
144. Nishioka, M., T. Maruyama, Y. Otsuka, T. Tsugawa, H. Ishibashi, K. Shiokawa, and M. Ishii, Comparison of meridional thermospheric winds observed by ionosondes and Fabry-Perot iterferometers (in Japanese), Antarctic Record, 57(No.3), 357-368, 2013.
145. Takahashi, H., K. Shiokawa, F. Egito, Y. Murayama, S. Kawamura, C. M. Wrasse, Planetary wave induced wind and airglow oscillations in the middle latitude MLT region, J. Atmos. Solar-Terr. Phys., 98, 97-104, 2013.
146. Lynn, K. J. W., Y. Otsuka, K. Shiokawa, Ionogram-based range-time displays for observing relationships between ionosonde satellite traces, spread F and drifting optical plasma depletions, J. Atmos. Solar-Terr. Phys., 98, 105-112, doi:10.1016/j.jastp.2013.03.020, 2013.
147. Nishimura, Y., L. R. Lyons, K. Shiokawa, V. Angelopoulos, E. F. Donovan, and S. B. Mende, Substorm onset and expansion phase intensification precursors seen in polar cap patches and arcs, J. Geophys. Res., 118, doi:10.1029/2012JA018581, 2013.
148. Hobara, H., T. Inoue, M. Hayakawa, and K. Shiokawa, Deducing locations and charge moment changes of lightning discharges by ELF network observations in Japan, IEEJ Transactions on Power and Energy, Vol.133 No.12 pp.994-1000, doi:10.1541/ieejpes.133.994, 2013.
149. Otsuka, Y., N. Mizutani, K. Shiokawa, A. Patra, T. Yokoyama, and M. Yamamoto, Drift Velocities of 150-km Field-Aligned Irregularities Observed by the Equatorial Atmosphere Radar, Antarctic Record, 57(No.3), 369-378, 2013.
150. Kataoka R., Y. Miyoshi, K. Shigematsu, D. Hampton, Y. Mori, T. Kubo, A. Yamashita, M. Tanaka, T. Takahei, T. Nakai, H. Miyahara, and K. Shiokawa, Stereoscopic determination of all-sky altitude map of aurora using two ground-based Nikon DSLR cameras, Ann. Geophys., 31, 1543-1548, doi:10.5194/angeo-31-1543-2013, 2013.
151. Suzuki, S., S. L. Vadas, K. Shiokawa, Y. Otsuka, S. Kawamura, and Y. Murayama, Typhoon-induced concentric airglow structures in the mesopause region, Geophys. Res. Lett., 40, 5983-5987, doi: 10.1002/2013GL058087, 2013.
152. Hosokawa, K., S. Taguchi, K. Shiokawa, Y. Otsuka, Y. Ogawa, and M. Nicolls, Global imaging of polar cap patches with dual airglow imagers, Geophys. Res. Lett., 41, doi.10.1002/2013GL058748, 2014.
153. Takahashi, H., S. Costa, Y. Otsuka, K. Shiokawa, J. F. G. Monico, E. Paula, P. Nogueira , C. M. Denardini, F. Becker-Guedes, C. M. Wrasse, A. S. Ivo, V. C. F. Gomes, W. Gargarela Jr., N. Sant'Anna, and R. Gatto, Diagnostics of equatorial and low latitude ionosphere by TEC mapping over Brazil, Adv. Space Res., 10.1016/j.asr.2014.01.032, 2014.
154. Wanliss, J. A., K. Shiokawa, and K. Yumoto, Latitudinal variation of stochastic properties of the geomagnetic field, Nonlin. Processes Geophys., 21, 1-10, doi:10.5194/npg-21-1-2014, 2014.
155. Teramoto, M., N. Nishitani, V. Pilipenko, T. Ogawa, K. Shiokawa, T. Nagatsuma, and K. T. Murata, Pi2 pulsation simultaneously observed in the E and F region ionosphere with the SuperDARN Hokkaido radar, J. Geophys. Res., 119, doi.10.1002/2012JA018585, 2014.
156. Oyama, S., Y. Miyoshi, K. Shiokawa, J. Kurihara, T. T. Tsuda, and B. J. Watkins, Height-dependent ionospheric variations in the vicinity of nightside poleward expanding aurora after substorm onset, J. Geophys. Res., 119, doi: 10.1002/2013JA019704, 2014.
157. Nishimura, Y., L. R. Lyons, Y. Zou, K. Oksavik, J. I. Moen, L. B. Clausen, E. F. Donovan, V. Angelopoulos, K. Shiokawa, J. M. Ruohoniemi, N. Nishitani, K. A. McWilliams, and M. Lester, Day-night coupling by a localized flow channel visualized by polar cap patch propagation, Goephys. Res. Lett, 41, doi: 10.1029/2014GL060301, 2014.
158. Matsuda, T., T. Nakamura, M. K. Ejiri, M. Tsutsumi, and K. Shikawa, New statistical analysis of the horizontal phase velocity distribution of gravity waves observed by airglow imaging, J. Geophys. Res., 119, 9707-9718, doi: 10.1029/2014JD021543, 2014.
159. Reisin, E.R., J. Scheer, M.E.Dyrland, F.Sigernes, C.S.Deehr, C.Schmidt, K. Hoppner, M.Bittner, P.P.Ammosov, G.A.Gavrilyeva, J.Stegman, V.I.Perminov, A.I.Semenov, P.Knieling, R.Koppmann, K.Shiokawa, R.P.Lowe, M.J. Lopez-Gonzalez, E.Rodriguez, Y.Zhao, M.J.Taylor, R.A.Buriti, P.J.Espy, W.J.R.French, K.-U.Eichmann, J.P.Burrows, C.vonSavigny, Traveling planetary wave activity from mesopause region airglow temperatures determined by the Network for the Detection of Mesospheric Change (NDMC), J. Atmos. Solar-Terr. Phys. 119, 71-82, 2014.
160. Jun, C.-W., K. Shiokawa, M. Connors, I. Schofield, I. Poddelsky, and B. Shevtsov, Study of Pc1 pearl structures observed at multi-point ground stations in Russia Japan and Canada, Earth Planets Space, 66, 140, doi:10.1186/s40623-014-0140-8, 2014.
161. Martinez-Calderon C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield and M. Connors, Polarization analysis of VLF/ELF waves observed at subauroral latitudes during the VLF-CHAIN campaign, Earth Planets Space, 67(1), 1-13, doi:10.1186/s40623-014-0178-7, 2015.
162. V. Lakshmi Narayanan, K. Shiokawa, Y. Otsuka, S. Saito, Airglow observations of nighttime medium-scale traveling ionospheric disturbances from Yonaguni: Statistical characteristics and low latitude limit, J. Geophys. Res., 119, doi: 10.1029/2014JA020368, 2014.
163. V. Lakshmi Narayanan, Sukanta Sau, S. Gurubaran, K. Shiokawa, Nanan Balan, K. Emperumal, and S. Sripathi, A statistical study of satellite traces and evolution 1 of equatorial spread F, Earth Planets Space, 66:160, 2014.
164. Balan, N., R. Skoug, S. Tulasi Ram, P. K. Rajesh, K. Shiokawa, Y. Otsuka, I. Batista, and T. Nakamura, CME front and severe space weather, J. Geophys. Res., 119, doi: 10.1029/2014JA020151, 2014.
165. Ohya, H., K. Shiokawa, and Y. Miyoshi, Daytime tweek atmospherics, J. Geophys. Res., 120, doi: 10.1002/2014JA020375, 2015.
166. Oberheide, J., K. Shiokawa, S. Gurubaran, W. E. Ward, H. Fujiwara, M. J. Kosch, J. J. Makela and H. Takahashi, The geospace response to variable inputs from the lower atmosphere: A review of the progress made by Task Group 4 of CAWSES-II, Progr. Earth Planet. Sci., 2:2, DOI 10.1186/s40645-014-0031-4, 2015.
167. Fukushima, D., K. Shiokawa, Y. Otsuka, M. Nishioka, M. Kubota, T. Tsugawa, T. Nagatsuma, S. Komonjinda, and C. Y. Yatini, Geomagnetically conjugate observation of plasma bubbles and thermospheric neutral winds at low latitudes, J. Geophys. Res., 120, doi: 10.1002/2014JA020398, 2015.
168. Obana, Y. C. L. Waters, M. D. Sciffer, F. W. Menk, R. L. Lysak, K. Shiokawa, A. W. Hurst, and T. Petersen, Resonance structure and mode transition of quarter-wave ULF pulsations around the dawn terminator, J. Geophys. Res., 120, 4194��4212, doi:10.1002/2015JA021096, 2015.
169. Hori, T., Y. Miyashita, Y. Miyoshi, K. Seki, T. Segawa, Y.-M. Tanaka, K. Keika, M. Shoji, I. Shinohara, K. Shiokawa, Y. Otsuka, S. Abe, A. Yoshikawa, K. Yumoto, Y. Obana, N. Nishitani, A. S. Yukimatu, T. Nagatsuma, M. Kunitake, K. Hosokawa, Y. Ogawa, K. T. Murata, M. Nose, H. Kawano, and T. Sakanoi, CDF data archive and integrated data analysis platform for ERG-related ground data developed by ERG Science Center (ERG-SC), J. Space Sci. Info. Jpn., vol. 4, JAXA-RR-14-009 (ISSN 1349-1113), 75-89, 2015.
170. Chakrabarty, D., Diptiranjan Rout, R. Sekar, R. Narayanan, G. D. Reeves, Tarun K. Pant, B. Veenadhari, and K. Shiokawa, Three different types of electric field disturbances affecting equatorial ionosphere during a long duration prompt penetration event, J. Geophys. Res., 120, doi: 10.1002/2014JA020759, 2015.
171. Takahashi H., C.. M. Wrasse, Y. Otsuka, A. Ivo, V. Gomes, I. Paulino, A. F. Medeiros, C. M. Denardini, N. Sant'Anna, and K. Shiokawa, Plasma bubble monitoring by TEC map and 630 nm airglow image, J. Atmos. Solar-Terr. Phys., vol.130-131, p.151-158, doi:10.1016/j.jastp.2015.06.003, 2015.
172. Engebretson M. J., J. L. Posch, J. R. Wygant, C. A. Kletzing, M. R. Lessard, C.-L. Huang, H. E. Spence, C. W. Smith, H. J. Singer, Y. Omura, R. B. Horne, G. D. Reeves, D. N. Baker, M. Gkioulidou, K. Oksavik, I. R. Mann, T . Raita, and K. Shiokawa, Van Allen probes, NOAA, GOES, and ground observations of an 3 intense EMIC wave event extending over 12 hours in MLT, J. Geophys. Res., 120 (7). 5465-5488. 10.1002/2015JA021227, 2015.
173. Hashimoto A., K. Shiokawa, Y. Otsuka, S.-I. Oyama, S. Nozawa, T. Hori, M. Lester, and M. Johnsen, Statistical study of auroral fragmentation into patches, J. Geophys. Res., 120, doi:10.1029/2015JA021000, 2015.
174. Thomas, E.G., K. Hosokawa, J. Sakai, J. B. H. Baker, J. M. Ruohoniemi, S. Taguchi, K. Shiokawa, Y. Otsuka, A. J. Coster, J.-P. St.-Maurice, K. A. McWilliams, Multi-instrument, high-resolution imaging of polar cap plasma transportation, Radio Science, 50, doi: 10.1002/2015RS005672, 2015.
175. Martinez-Calderon, C., K. Shiokawa, Y. Miyoshi, M. Ozaki, I. Schofield, and M. Connors, Statistical study of ELF/VLF emissions at subauroral latitudes in Athabasca, Canada, J. Geophys. Res., 120, doi:10.1029/2015JA021347, 2015.
176. Motoba, T., S. Ohtani , B. Anderson , H. Korth , D. Mitchell , L. Lanzerotti , K. Shiokawa , M. Connors , C. Kletzing , G. Reeves , On the formation and origin of substorm growth phase/onset auroral arcs inferred from conjugate space-ground observations, J. Geophys. Res., 120, doi:10.1029/2015JA021676, 2015.
177. Perwitasari, S., T. Sakanoi, A. Yamazaki, Y. Ostuka, Y. Hozumi, Y. Akiya, A. Saitou, K. Shiokawa, and S. Kawamura, Coordinated airglow observations between IMAP/VISI and a ground-based all-sky imager on concentric gravity wave in the mesopause, J. Geophys. Res., 120, 9706��9721, doi:10.1002/2015JA021424, 2015.
178. Perry, G., H. Dahlgren, M. Nicolls, M. Zettergren, J.-P. St-Maurice, J. Semeter, T. Sundberg, K. Hosokawa, K. Shiokawa, and S. Chen, Spatiotemporally resolved electrodynamic properties of a sun-aligned arc over Resolute Bay, J. Geophys. Res., 120, 9977��9987, doi:10.1002/2015JA021790, 2015.
179. Ozaki, M., S. Yagitani, K. Sawai, K. Shiokawa, Y. Miyoshi, R. Kataoka, A. Ieda, Y. Ebihara, M. Connors, I. Schofield, Y. Katoh, Y. Otsuka, N. Sunagawa, and V. K. Jordanova, A direct link between chorus emissions and pulsating aurora on timescales from milliseconds to minutes: A case study at subauroral latitudes, J. Geophys. Res., 120, doi:10.1029/2015JA021381, 2015.
180. Tulasi Ram, S., T. Yokoyama, Y. Otsuka, K. Shiokawa, S. Sripathi, B. Veenadhari, R. Heelis, K. K. Ajith, V. S. Gowtam, S. Gurubaran, P. Supnithi and M. Le Huy, Dusk side enhancement of equatorial zonal electric field response to convection electric fields during the St. Patrick's day storm on March 17, 2015, J. Geohys. Res., 120, doi: 10.1029/2015JA021932, 2015.
181. Sakaguchi, K., K. Shiokawa, Y. Miyoshi, and M. Connors, Isolated proton auroras and Pc1/EMIC waves at subauroral latitudes, in Auroral Dynamics and Space Weather, Geophysical Monograph 215, Edited by Yongliang Zhang and Larry J. Paxton, American Geophysical Union. Published by John Wiley & Sons, Inc., doi: 10.1002/9781118978719.ch5, 2016.
182. Nomura, R., K. Shiokawa, Y. Omura, Y. Ebihara, Y. Miyoshi, K. Sakaguchi, Y. Otsuka, and M. Connors, Pulsating proton aurora caused by rising tone Pc1 waves, J. Geophys. Res., 121, doi:10.1002/2015JA021681, 2016.
183. Kim, K.-H., K. Shiokawa, I. R. Mann, J.-S. Park, H.-J. Kwon, K. Hyun, H. Jin, and M. Connors, Longitudinal frequency variation of long-lasting EMIC Pc1-Pc2 waves localized in the innermagnetosphere, Geophys. Res. Lett., 43, doi:10.1002/2015GL067536, 2016.
184. Park, J.-S., K.-H. Kim, K. Shiokawa, D.-H. Lee, E. Lee, H.-J. Kwon, H. Jin, and G. Jee, EMIC waves observed at geosynchronous orbit under quiet geomagnetic conditions (Kp<1), J. Geophys. Res., 121, doi: 10.1002/2015JA021968, 2016.
185. Dao, T., Y. Otsuka, K. Shiokawa, S. Tulasi Ram, and M. Yamamoto, Altitude development of postmidnight F region field-aligned irregularities observed using Equatorial Atmosphere Radar in Indonesia, Geophys. Res. Lett., 43, doi:10.1002/2015GL067432, 2016.
186. Fukuda, Y., R. Kataoka, Y. Miyoshi, Y. Katoh, T. Nishiyama, K. Shiokawa, Y. Ebihara, D. Hampton, N. Iwagami, Quasi-periodic rapid motion of pulsating auroras, Polar Science, 10, 183-191, 2016.
187. Lin, F. F., C. Y. Wang, C. L. Su, K. Shiokawa, S. Saito, and Y. H. Chu, Coordinated observations of F region 3-m field-aligned plasma irregularities associated with medium-scale travelling ionospheric disturbances, J. Geophys. Res., 121, doi: 10.1002/2016JA022511, 2016.
188. Oyama, S.-I., K. Shiokawa, Y. Miyoshi, K. Hosokawa, B. J. Watkins, J. Kurihara, T. T. Tsuda, and C. T. Fallen, Lower-thermospheric wind variations in auroral patches during the substorm recovery phase, J. Geophys. Res., 121, doi: 10.1002/2015JA022129, 2016.
189. Jun C.-W, K. Shiokawa, M. Connors, I. Schofield, I. Poddelsky, and B. Shevtsov, Possible generation mechanisms for Pc1 pearl structures in the ionosphere, based on 6 years of ground observations in Canada, Russia, and Japan, J. Geophys. Res., 121, doi: 10.1002/2015JA022123, 2016.
190. Rout D.,D. Chakrabarty, R. Sekar,G. D. Reeves, J. M. Ruohoniemi,Tarun K. Pant B. Veenadhari, and K.Shiokawa, An evidence for prompt electric field disturbance driven by changes in the solar wind density under northward IMF Bz condition, J. Geophys. Res., 121, doi: 10.1002/2016JA022475, 2016.
191. Martinez-Calderon, C., K. Shiokawa , Y. Miyoshi , K. Keika , M. Ozaki , I. Schofield , M. Connors , C. Kletzing , M. Hanzelka , O. Santolik , and W. Kurth, ELF/VLF propagation at subauroral latitudes: Conjugate observation between the ground and Van Allen Probes A, J. Geophys. Res., 121, doi: 10.1002/2015JA022264, 2016.
192. Narayanan V. L., S. Gurubaran, K. Shiokawa, K. Emperumal, Shrinking equatorial plasma bubbles, J. Geophys. Res., 121, doi: 10.1002/2016JA022633, 2016.
193. Tsuda, T., M. Yamamoto, H. Hashiguchi, K. Shiokawa, Y. Ogawa, S. Nozawa, H. Miyaoka, Tsuda, T., M. Yamamoto, H. Hashiguchi, K. Shiokawa, Y. Ogawa, S. Nozawa, H. Miyaoka, and A. Yoshikawa, A proposal on the study of solar-terrestrial coupling processes with atmospheric radars and ground-based observation network, Radio Sci., 51, doi: 10.1002/2016RS006035, 2016.
194. Narayanan V. L., S. Gurubaran and K. Shiokawa, Direct observational evidence for the merging of equatorial plasma bubbles, J. Geophys. Res., 121, doi: 10.1002/2015JA022861, 2016.
195. Ozaki, M., K. Shiokawa, Y. Miyoshi, R. Kataoka, S. Yagitani, T. Inoue, Y. Ebihara, C.-W Jun, R. Nomura, K. Sakaguchi, Y. Otsuka, M. Shoji, I. Schofield, M. Connors, and V. K. Jordanova, Fast modulations of pulsating proton aurora related to subpacket structures of Pc1 geomagnetic pulsations at subauroral latitudes, Geophys. Res. Lett., 43, doi:10.1002/2016GL070008, 2016.
196. Nishino M. N., K. Shiokawa, and Y. Otsuka, The first long-term all-sky imager observation of lunar sodium tail, Icarus, 280, 199-204, 2016.
197. Kim, K.-H., Y. Omura, J.-S. Park, K. shiokawa, D.-H. Lee, H. Jin, E. Lee, and H.-J. Kwon, Spectral characteristics of steady quiet-time EMIC waves observed at geosynchronous orbit, J. Geophys. Res., 121, doi: 10.1002/2016JA022957, 2016.
198. Tsurutani, B. T., R. Hajra, T. Tanimori, A.Takada, B. Remya, A.J. Mannucci, G.S. Lakhina, J.U. Kozyra, K. Shiokawa, L.C. Lee, E. Echer, R.V. Reddy, and W.D. Gonzalez, Heliospheric Plasma Sheet (HPS) Impingement onto the Magnetosphere as a Cause of Relativistic Electron Dropouts (REDs) via Coherent EMIC Wave Scattering with Possible Consequences for Climate Change Mechanisms, J. Geophys. Res., 121, doi: 10.1002/2016JA022499, 2016.
199. Zou, Y., Y. Nishimura; J. K. Burchill, D. J. Knudsen, L. R. Lyons, K. Shiokawa, S. Buchert, S. Chen, M. J. Nicolls, J. M. Ruohoniemi; K. A. McWilliams, and N. Nishitani, Localized Field-aligned Currents in the Polar Cap Associated with Airglow Patches, J. Geophys. Res., 121, 10.1002/2016JA022665, 2016.
200. Takahashi, H., C. M. Wrasse, C. M. Denardini, M. B. P叩dua, E. R. de Paula, S. M. A. Costa, Y. Otsuka, K. Shiokawa, J. F. Galera Monico, A. Ivo, and N. Sant'Anna, Ionospheric TEC weather map over South America, Space Weather, 14, doi:10.1002/2016SW001474, 2016.
201. Zou, Y., Y. Nishimura, L. R. Lyons, K. Shiokawa, Localized Polar Cap Precipitation in Association with Non-storm Time Airglow Patches, Geophys. Res. Lett., 44, doi: 10.1002/2016GL071168, 2017.
202. Balan, N., Y. Ebihara, R. Skoug, K. Shiokawa, I. S. Batista, S. Tulasi Ram, Y. Omura, T. Nakamura and M.-C. Fok, A scheme for forecasting severe space weather, J. Geophys. Res., 122, doi: 10.1002/2016JA023853, 2017.
203. Figueiredo, C.A., C. Wrasse, H. Takahashi, Y. Otsuka, K. Shiokawa, and D. Silva, Large-scale traveling ionospheric disturbances observed by GPS DTEC maps over north and south America on Saint Patrick's day storm in 2015, J. Geophys. Res., 122, doi: 10.1002/2016JA023417, 2017.
204. Balan, N., S. S Tulasiram, Y Kamide, I. S. Batista, K. Shiokawa, P. K. Rajesh, and N. J. Victor, Automatic selection of Dst storms and their seasonal variations in two versions of Dst in 50 years, Earth Planets Space, 69:59, doi: 10.1186/s40623-017-0642-2, 2017.
205. Nakamura, Y., K. Shiokawa, Y. Otsuka, S.-I. Oyama, S. Nozawa. T. Komolmis, S. Komonjida, D. Neudegg, C. Yuile, J. Meriwether, H. Shinagawa, and H. Jin, Measurement of thermospheric temperatures using OMTI Fabry-Perot interferometers with 70-mm etalon, Earth, Planets and Space, 69:57, doi: 10.1186/s40623-017-0643-1, 2017.
206. Hui, D., D. Chakarabarty, R. Sekar1, G. D. Reeves, A. Yoshikawa, and K. Shiokawa, Contribution of Storm-Time Substorms to the Prompt Electric Field Disturbances in the Equatorial Ionosphere, J. Geophys. Res., 122, doi: 10.1002/2016JA023754, 2017.
207. Fukuda, Y., R. Kataoka, H. A. Uchida, Y. Miyoshi, D. Hampton, K. Shiokawa, Y. Ebihara, D. Whiter, N. Iwagami, and K. Seki, First evidence of patchy flickering aurora modulated by multi-ion electromagnetic ion cyclotron waves, Geophys. Res. Lett., 44, doi: 10.1002/2017GL072956, 2017.
208. Tan, L. M., K Shiokawa, N. N. Thu and T. Q. Ha, Density variability of nighttime D-region ionosphere in Vietnamese and Japanese sectors, J. Geophys. Res., 122, doi: 10.1002/2017JA024025, 2017.
209. Yonezu, Y., K. Shiokawa, M. Connors, M. Ozaki, J. K Manninen, H. Yamagishi, and M. Okada, Simultaneous observations of magnetospheric ELF/VLF emissions in Canada, Finland, and Antarctica, J. Geophys. Res., 122, doi: 10.1002/2017JA024211, 2017.
210. Dao, T., Y. Otsuka, K. Shiokawa, M. Nishioka, M. Yamamoto, S. M. Buhari, M. Abdullah, and A. Husin, Coordinated observations of post-midnight irregularities and thermospheric neutral winds and temperatures at low latitudes, J. Geophys. Res., 122, doi: 10.1002/2017JA024048, 2017.
211. Nishi, K., K. Shiokawa, and D. Fruehauff, Conjugate observation of auroral finger-like structures by ground-based all-sky cameras and THEMIS satellites, J. Geophys. Res., 122, doi: 10.1002/2016JA023774, 2017.
212. Takeo, D., K. Shiokawa, H. Fujinami, Y. Otsuka, T. S. Matsuda, M. K. Ejiri, T. Nakamura and M. Yamamoto, Sixteen-year variation of horizontal phase velocity and propagation direction of mesospheric and thermospheric waves in airglow images at Shigaraki, Japan, J. Geophys. Res., 122, doi: 10.1002/2017JA023919, 2017.
213. Fukushima, D., K. Shiokawa, Y. Otsuka, M. Kubota, T. Yokoyama, M. Nishioka, S. Komonjinda, and C. Yatini, Geomagnetically conjugate observations of ionospheric and thermospheric variations accompanied by a midnight brightness wave at low latitudes, Earth Planets Space, 69:112, doi:10.1186/s40623-017-0698-z, 2017.
214. Abadi, P., Y. Otsuka, K. Shiokawa, A. Husin, H. Liu, and S. Saito, Equinoctial asymmetry in the zonal distribution of scintillation as observed by GPS receivers in Indonesia, J. Geophys. Res., 122, doi: 10.1002/2017JA024146, 2017.
215. Xu, H., K. Shiokawa, and D. Fr端hauff, Statistical analysis of severe magnetic fluctuations in the near-Earth plasma sheet observed by THEMIS-E, Ann. Geophys., 35, 1131-1142, 10.5194/angeo-35-1131-2017, 2017 (Corrigendum: 10.5194/angeo-35-1131-2017-corrigendum)
216. Jayachandran, P. T., A. M. Hamza, K. Hosokawa, H. Mezoui, and K. Shiokawa, GPS amplitude and phase scintillation associated with polar cap auroral forms, J. Atmos. Solar-Terr. Phys., 164, 185-191, 10.1016/j.jastp.2017.08.030, 2017.
217. Okoh, D., B. Rabiu, K. Shiokawa, Y. Otsuka, B. Segun, E. Falayi, S. Onwuneme, and R. Kaka, First study on the occurrence frequency of equatorial plasma bubbles over West Africa using an all-sky airglow imager and GNSS receivers, J. Geophys. Res., 122, doi: 10.1002/2017JA024602, 2017.
218. Ozaki, M., K. Shiokawa, Y. Miyoshi, R. Kataoka, M. Connors, T. Inoue, S. Yagitani, Y. Ebihara, C.-W Jun, R. Nomura, K. Sakaguchi, Y. Otsuka, H.A. Uchida, I. Schofield, and D.W. Danskin, Discovery of 1-Hz range modulation of isolated proton aurora at subauroral latitudes, Geophys. Res. Lett., 45, doi:10.1002/2017GL076486, 2018.
219. Matsuoka, A., M.Teramoto, R. Nomura, M. Nos辿, A. Fujimoto, Y. Tanaka, M. Shinohara, T. Nagatsuma, K. Shiokawa, Y. Obana, Y. Miyoshi, M. Mita, T. Takashima, and I, Shinohara, The ARASE (ERG) magnetic field investigation, Earth Planets Space, 10.1186/s40623-018-0800-1, 2018.
220. Figueiredo, C. A. O. B., H. Takahashi, C. M. Wrasse, Y. Otsuka, K. Shiokawa, and D. Barros, Medium scale traveling ionospheric disturbances observed by detrended total electron content maps over Brazil, J. Geophys. Res., 123, doi: 10.1002/2017JA025021, 2018.
221. Takahashi H., C. M. Wrasse, C. A. O. B. Figueiredo, D. Barros, M. A. Abdu, Y. Otsuka, K. Shiokawa, Equatorial Plasma Bubble Seeding by MSTIDs in the Ionosphere, Progress in Earth and Planetary Science, 5:32, doi:10.1186/s40645-018-0189-2, 2018.
222. Miyoshi, Y., I. Shinohara, T. Takashima, K. Asamura, N. Higashio, T. Mitani, S. Kasahara, S. Yokota, Y. Kazama, S.-Y. Wang, S. W. Y. Tam, P.T.P. Ho, Y. Kasahara, Y. Kasaba, S. Yagitani, A. Matsuoka, H. Kojima, Y. Katoh, K. Shiokawa, K. Seki, Geospace Exploration Project ERG, Earth Planets and Space, 70, 10.1186/s40623-018-0862-0, 2018.
223. Ohya, H., F. Tsuchiya, Y. Takishita, H. Shinagawa, K. Nozaki, and K. Shiokawa, Periodic Oscillations in the D-region Ionosphere after the 2011 Tohoku Earthquake using LF Standard Radio Waves, J. Geophys. Res., 123, doi: 10.1029/2018JA025289, 2018.
224. Engebretson, M., J. Posch, D. Braun, W. Li, Q. Ma, A. Kellerman, C.-L. Huang, S. Kanekal, C. Kletzing, J. Wygant, H. Spence, D. Baker, J. Fennell, V. Angelopoulos, H. Singer, M. Lessard, R. Horne, I. Mann, T. Raita, K. Shiokawa, R. Rakhmatulin, E. Dmitriev, and E. Ermakova, EMIC wave events during the four GEM QARBM challenge intervals, J. Geophys. Res., 123, doi: 10.1029/2018JA025505, 2018.
225. Narayanan, V. L., K. Shiokawa, Y. Otsuka, D. Neudegg, On the role of thermospheric winds and sporadic E layers in the formation and evolution of Electrified Medium-Scale Traveling Ionospheric Disturbances (EMSTIDs) in geomagnetic conjugate regions, J. Geophys. Res., 123, doi: 10.1029/2018JA025261, 2018.
226. Tsuchiya, S., K. Shiokawa, H. Fujinami, Y. Otsuka, T. Nakamura, and M. Yamamoto, Statistical analysis of the phase velocity distribution of mesospheric and ionospheric waves observed in airglow images over a 16-year period: comparison between Rikubetsu and Shigaraki, Japan, J. Geophys. Res., 123, doi:10.1029/2018JA025585, 2018.
227. Nishi, K., K. Shiokawa, and H. Spence, Magnetospheric source region of auroral finger-like structures observed by the RBSP-A satellite, J. Geophys. Res., 123, doi: 10.1029/2018JA025480, 2018.
228. Figueiredo C. A. O. B., H. Takahashi, C. M. Wrasse, Y. Otsuka, K. Shiokawa and D. Barros, Investigation of nighttime MSTIDs observed by optical thermosphere imagers at low latitutdes: Morphology, propagation direction, and wind filtering, J. Geophys. Res., 123, doi: 10.1029/2018JA025438, 2018.
229. Takahashi, N., K. Seki, M. Teramoto, M.-C. Fok, Y. Zheng, A. Matsuoka, N. Higashio, K. Shiokawa, D. Baishev, A. Yoshikawa, T. Nagatsuma, Global distribution of ULF waves during magnetic storms: Comparison of Arase, ground observations and BATSRUS+CRCM simulation, Geophys. Res. Lett., 45, doi:10.1029/2018GL078857, 2018.
230. Takagi, Y., K. Shiokawa, Y. Otsuka, M. Connors, and I. Schofield, Statistical analysis of SAR arc detachment from the main oval based on 11-year, all-sky imaging observation at Athabasca, Canada, Geophys. Res. Lett., 45, doi:10.1029/2018GL079615, 2018.
231. Tsuchiya, F., A. Hirai, T. Obara, H. Misawa, S. Kurita, Y. Miyoshi, K. Shiokawa, M. Connors, M. Ozaki, Y. Kasahara, A. Kumamoto, Y. Kasaba, A. Matsuoka, M. Shoji, I. Shinohara, Energetic electron precipitation associated with pulsating aurora observed by VLF radio propagation during the recovery phase of a substorm on 27 March 2017, Geophys. Res. Lett., 45, doi:10.1029/2018GL080222, 2018.
232. Nishi, K., K. Shiokawa, K.-H. Glassmeier, and J. Z. D. Mieth, Statistical study of phase relationship between magnetic and plasma pressures in the near-earth nightside magnetosphere using the THEMIS-E satellite, J. Geophys. Res., 123, doi: 10.1029/2018JA025846, 2018.
233. Ozaki, M., K. Shiokawa, Y. Miyoshi, K. Hosokawa, S. Oyama, S. Yagitani, Y. Kasahara, Y. Kasaba, S. Matsuda, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Otsuka, S. Kurita, R. C. Moore, Y.-M. Tanaka, M. Nos辿, T. Nagatsuma, M. Connors, N. Nishitani, Y. Katoh, M. Hikishima, A. Kumamoto, F. Tsuchiya, A. Kadokura, T. Nishiyama, T. Inoue, K. Imamura, A. Matsuoka, and I. Shinohara, Microscopic observations of pulsating aurora associated with chorus element structures: Coordinated Arase satellite-PWING observations, Geophys. Res. Lett., 45, doi:10.1029/2018GL079812, 2018.
234. Perwitasari, S., T. Nakamura, M. Kogure, Y. Tomikawa, M. K. Ejiri, K. Shiokawa, Comparison of gravity wave propagation direction observed by mesospheric airglow imaging at three different latitudes by using M-transform, Ann. Geophys., 36, 1597-1605, 2018.
235. Fukizawa, M., T. Sakanoi, Y. Miyoshi, K. Hosokawa, K. Shiokawa, Y. Katoh, Y. Kazama, A. Kumamoto, F. Tsuchiya, Y. Miyashita, Y. Nose, M. Tanaka, Y. Kasahara, M. Ozaki, A. Matsuoka, S. Matsuda, M. Hikishima, S. Oyama, Y. Ogawa, S. Kurita, R. Fujii, Electrostatic electron cyclotron harmonic waves as a candidate to cause pulsating auroras, Geophys. Res. Lett., 45, doi:10.1029/2018GL080145, 2018.
236. Hirai A., F. Tsuchiya, T. Obara, Y. Kasaba, Y. Katoh, H. Misawa, K. Shiokawa, Y. Miyoshi, S. Kurita, S. Matsuda, M. Connors, T. Nagatsuma, K. Sakaguchi, Y. Kasahara, A. Kumamoto, A. Matsuoka, M. Shoji, I. Shinohara and J. M. Albert, Temporal and Spatial Correspondence of Pc1/EMIC Waves and Relativistic Electron Precipitations Observed with Ground-Based Multi-Instruments on 27 March 2017, Geophys. Res. Lett., 45, doi:10.1029/2018GL080126, 2018.
237. Kim, H., J. Hwang, J. Park, Y. Miyashita, K. Shiokawa, I. R. Mann, T, Raita, and J. Lee, Large scale ducting of Pc1 pulsations observed by Swarm satellites and multiple ground networks, Geophys. Res. Lett., 45, doi:10.1029/2018GL080693, 2018.
238. Kurita, S., Y. Miyoshi, K. Shiokawa, N. Higashio, T. Mitani, T. Takashima, A. Matsuoka, I. Shinohara, C. A. Kletzing , J. B. Blake, S. G. Claudepierre, M. Connors, S. Oyama, T. Nagatsuma, K. Sakaguchi, D. Baishev and Y. Otsuka, Rapid loss of relativistic electrons by EMIC waves in the outer radiation belt observed by Arase, Van Allen Probes, and the PWING ground stations, Geophys. Res. Lett., 45, doi:10.1029/2018GL080262, 2018.
239. Vichare, G., N. Thomas, K. Shiokawa, A. Bhaskar, A. Kumar Sinha, Spatial gradients in geomagnetic storm-time currents observed by Swarm multi-spacecraft mission, J. Geohphys. Res., 124, doi: 10.1029/2018JA025692, 2019.
240. Ozaki M., Y. Miyoshi, K. Shiokawa, K. Hosokawa, S.-I. Oyama, R. Kataoka, Y. Ebihara, Y. Ogawa, Y. Kasahara, S. Yagitani, Y. Kasaba, A. Kumamoto, F. Tsuchiya, S. Matsuda, Y. Katoh, M. Hikishima, S. Kurita, Y. Otsuka, R. C. Moore, Y. Tanaka, M. Nos辿, T. Nagatsuma, N. Nishitani, A. Kadokura, M. Connors, T. Inoue, A. Matsuoka, and I. Shinohara, Visualization of rapid electron precipitation via chorus element wave-particle interactions, Nature Commnunications, doi:10.1038/s41467-018-07996-z, 2019.
241. Kataoka, R. T. Nishiyama, Y. Tanaka, A. Kadokura, H. A. Uchida, Y. Ebihara, M. K. Ejiri, Y. Tomikawa, M. Tsutsumi, K. Sato, Y. Miyoshi, K. Shiokawa, S. Kurita, Y. Kasahara, M. Ozaki, K. Hosokawa, S. Matsuda, I. Shinohara, T. Takashima, T. Sato, T. Mitani, T. Hori, and N. Higashio, Transient ionization of the mesosphere during auroral breakup: Arase satellite and ground-based conjugate observations at Syowa Station, Earth Planets Space, 71:9, https://doi.org/10.1186/s40623-019-0989-7, 2019.
242. Moral A. C., K. Shiokawa, S. Suzuki, H. Liu, Y. Otsuka, and C. Y. Yatini, Observations of low-latitude traveling ionospheric disturbances by a 630.0-nm airglow imager and the CHAMP satellite over , Indonesia, J. Geohphys. Res., 124, doi: 10.1029/2018JA025634, 2019.
243. Thomas, N., K. Shiokawa, and G. Vichare, Comprehensive study of low-latitude Pi2 pulsations using observations from multi-satellite Swarm mission and global network of ground observatories, J. Geophys. Res., 124, doi: 10.1029/2018JA026094, 2019.
244. Miyoshi Y., S. Matsuda, S. Kurita, K. Nomura, K. Keika, M. Shoji, N. Kitamura, Y. Kasahara, A. Matsuoka, I. Shinohara, K. Shiokawa, S. Machida, O. Santolik, S. A. Boardsen, R. B. Horne , and J. F. Wygant, EMIC waves converted from equatorial noise due 1 to M/Q=2 ions in the plasmasphere : Observations from Van Allen Probes and Arase, Geophys. Res. Lett., 46, doi:10.1029/2019GL083024, 2019.
245. Hendry, A. T., O. Santolik, C. A. Kletzing, C. J. Rodger, K. Shiokawa, and D. Baishev, Multi-instrument observation of nonlinear EMIC-driven electron precipitation at sub-MeV energies, Geophys. Res. Lett., 46, doi:10.1029/2019GL082401, 2019.
246. Goodwin, L. V., Y. Nishimura, Y. Zou, K. Shiokawa, and P. T. Jayachandran., Mesoscale Convection Structures Associated with Airglow Patches Characterized using Cluster-Imager Conjunctions, J. Geophys. Res., 124, doi: 10.1029/2019JA026611, 2019.
247. Xu, H. K. Shiokawa, S. Oyama, and Y. Otsuka, Thermospheric wind variations observed by a Fabry-Perot interferometer at Troms淡, Norway, at substorm onset, Earth Planets, and Space, 71:93, https://doi.org/10.1186/s40623-019-1072-0, 2019.
248. Tanaka, Y.-M., T. Nishiyama, A. Kadokura, M. Ozaki, Y. Miyoshi, K. Shiokawa, S.. Oyama, R. Kataoka, M. Tsutsumi, K. Nishimura, K. Sato, Y. Kasahara, A. Kumamoto, F. Tsuchiya, M. Fukizawa, M. Hikishima, S. Matsuda, A. Matsuoka, I. Shinohara, M. Nose, T. Nagatsuma, M. Shinohara, A. Fujimoto, M. Teramoto, R. Nomura, A. Sessai Yukimatu, K. Hosokawa, M. Shoji, and R. Latteck, Direct comparison between magnetospheric plasma waves and polar mesosphere winter echoes in both hemispheres, J. Geophys. Res., 124, doi: 10.1029/2019JA026891, 2019.
249. Takeshita Y., K. Shiokawa, M. Ozaki, J. Manninen, S. Oyama, M. Connors, D. Baishev, V. Kurkin, and A. Oinats, Longitudinal extent of magnetospheric ELF/VLF waves using multipoint PWING ground stations at subauroral latitudes, J. Geophys. Res., 124, doi: 10.1029/2019JA026810, 2019.
250. Martinez-Calderon, C., Y. Katoh, J. Manninen, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, I. Shinohara, K. Shiokawa and Y. Miyoshi, Conjugate observations of dayside and nightside VLF chorus and QP emissions between Arase (ERG) and Kannuslehto, Finland, J. Geophys. Res., 124, doi: 10.1029/2019JA026663, 2019.
251. Tsuchiya, S., K. Shiokawa. H. Fujinami, Y. Otsuka, T. Nakamura, M. Connors, I. Schofield, B. Shevtsov, and I. Poddelsky, Three-dimensional Fourier analysis of the phase velocity distributions of mesospheric and ionospheric waves based on airglow images collected over 10 years: Comparison of Magadan, Russia, and Athabasca, Canada, J. Geophys. Res., 124, doi: 10.1029/2019JA026783, 2019.
252. Balan N., Qing-He Zhang, K. Shiokawa, R. Skoug, Zanyang Xing, S. Tulasi Ram and Y. Otsuka, IpsDst of Dst storms applied to ionosphere-thermosphere storms and low latitude aurora, J. Geophys. Res., 124, doi: 10.1029/2019JA027080, 2019.
253. Zhou, S., K. Shiokawa; I. Poddelsky; and Y. Chen, Probing afternoon detached aurora and high-latitude trough based on DMSP observations, Adv. Space Res., 65, 214-220, doi: 10.1016/j.asr.2019.10.003, 2019.
254. Balan, N., Qing-He Zhang, Zanyang Xing, R. Skoug, K. Shiokawa, H. Luehr, S. Tulasi Ram, Y. Otsuka, and Lingxin Zhao, Capability of Geomagnetic Storm Parameters to Identify Severe Space Weather, Astrophysical Journal, 887:51, https://doi.org/10.3847/1538-4357/ab5113, 2019.
255. Xu H., K. Shiokawa, S. Oyama, and S. Nozawa, High-latitude thermospheric wind study using a Fabry-Perot interferometer at Tromsoe in Norway: averages and variations during quiet times, Earth Planets Space, 71:110, 10.1186/s40623-019-1093-8, 2019.
256. Tulasi Ram, S., B. Nilam, N. Balan, Q. Zhang, K. Shiokawa, D. Chakrabarty, Z. Xing, K. Venkatesh, B. Veenadhari and A. Yoshikawa, Three different episodes of prompt equatorial electric field perturbations under steady southward IMF Bz during St. Patrick's day storm, J. Geophys. Res., 124, doi: 10.1029/2019JA027069, 2019.
257. Okoh, D., G. Seemala, B. Rabiu, J. B. Habarulema, S. Jin, K. Shiokawa, Y. Otsuka, M. Aggarwal, J. Uwamahoro, P. Mungufeni, B. Segun, R. Obafaye, N. Ellahony, C. Okonkwo, M. Tshisaphungo, D. Shetti, A Neural Network based Ionospheric Model over Africa from COSMIC and Ground GPS Observations, J. Geophys. Res., 124, doi: 10.1029/2019JA027065, 2019.
258. Ogawa, Y., Y. Tanaka, A. Kadokura, K. Hosokawa, Y. Ebihara, T. Motoba, B. Gustavsson, U. Brandstrom, Y. Sato, S. Oyama, M. Ozaki, T. Raita, F. Sigernes, S. Nozawa, K. Shiokawa, M. Kosch, K. Kauristie, C. Hall, S. Suzuki, Y. Miyoshi, A. Gerrard, H. Miyaoka, and R. Fujii, Development of low-cost multi-wavelength imager system for studies of aurora and airglow, Polar Science, 23, https://doi.org/10.1016/j.polar.2019.100501, 2020.
259. Tsuchiya S., K. Shiokawa, Y. Otsuka, T. Nakamura, M. Yamamoto, M. Connors, I. Schofield, B. Schevtsov, and I. Poddelskiy, Wavenumber spectra of atmospheric gravity waves and medium-scale traveling ionospheric disturbances based on more than 10-year airglow images in Japan, Russia, and Canada, J. Geophys. Res., 125, doi: 10.1029/2019JA026807, 2020.
260. Yadav S., K. Shiokawa, S. Oyama, and Y. Otsuka, Multi-event analysis of oscillatory motion of medium-scale traveling ionospheric disturbances observed by a 630-nm airglow imager over Tromsoe, Journal of Geophysical Research: Space Physics, 125, e2019JA027598. https://doi.org/10.1029/2019JA027598, 2020.
261. Sarudin I., N. S. A. Hamid, M. Abdullah, S. M. Buhari, K. Shiokawa, Y. Otsuka, and C. Y. Yatini, Equatorial plasma bubble zonal drift velocity variations in response to season, local time, and solar activity across Southeast Asia, J. Geophys. Res., 125, doi: 10.1029/2019JA027521, 2020.
262. Nanjo S., Y. Hozumi, K. Hosokawa, R. Kataoka, Y. Miyoshi, S. Oyama, M. Ozaki, K. Shiokawa, and S. Kurita, Fine-scale visualization of aurora in a wide area using color digital camera images from the International Space Station, J. Geophys. Res., 125, e2019JA027729, https://doi.org/10.1029/2019JA027729, 2020.
263. Miyashita T., H. Ohya, F. Tsuchiya, A. Hirai, M. Ozaki, K. Shiokawa, Y. Miyoshi, N. Nishitani, M. Teramoto, M. Connors, S. G. Shepherd, Y. Kasahara, A. Kumamoto, M. Shoji, I. Shinohara, H. Nakata, and T. Takano, ULF modulation of energetic electron precipitation observed by VLF/LF radio propagation, URSI Radio Science Bulletin, No.372, p.29-40, ISSN 1024-4530, 2020.
264. Kim, H., K. Shiokawa, J. Park, Y. Miyoshi, J. Hwang, and A. Kadokura, Modulation of Pc1 wave ducting by equatorial plasma bubble, Geophys. Res. Lett., 47, doi:10.1029/2020GL088054, 2020.
265. Kwon J.-W, K.-H. Kim, H. Jin, H.-J. Kwon, G. Jee, K. Shiokawa, and M. Connors, Statistical Study of EMIC Pc1-Pc2 Waves Observed at Subauroral Latitudes, J. Atmos. Solar-Terr. Phys., https://doi.org/10.1016/j.jastp.2020.105292, 2020.
266. Hosokawa K., K. Takami, Su. Saito, Y. Ogawa, Y. Otsuka, K. Shiokawa, C.-H. Chen and C.-H. Lin, Observations of equatorial plasma bubbles using a low-cost 630.0-nm all-sky imager in Ishigaki Island, Japan, Earth, Planets and Space, 72:56, https://doi.org/10.1186/s40623-020-01187-1, 2020.
267. Xu, H. and K. Shiokawa, Severe magnetic fuctuations in the near-Earth magnetotail: spectral analysis and dependence on solar activity, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA027834, 2020.
268. Tulasi Ram S., K. K. Ajith, T. Yokoyama, M. Yamamoto, K. Hozumi, K. Shiokawa, Y. Otsuka and G. Li, Dilatory and downward development of 3-meter scale irregularities in the Funnel-like region of Equatorial Plasma Bubble, Geophys. Res. Lett., 47, doi:10.1029/2020GL087256, 2020.
269. Uchida H. A, R. Kataoka, A. Kadokura, K. Murase, A. S. Yukimatu, Y. Miyoshi, K. Shiokawa, Y. Ebihara, K. Hosokawa, A. Matsuoka, S. Kurita, S. Fujita, I. Shinohara, Asymmetric development of auroral surges in northern and southern hemispheres, Geophys. Res. Lett., 47, doi:10.1029/2020GL088750, 2020.
270. Kim, G.-J., K. Kim, H. Kwon, K. Shiokawa, K. Takahashi, and J. Hwang, Long-lasting ground-satellite high coherence of compressional dayside Pc3-Pc4 pulsations, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA028074, 2020.
271. Martinez-Calderon, C., F. Nemec, Y. Katoh, K. Shiokawa, C. Kletzing, G. Hospodarsky, O. Santolik, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, S. Kurita, Y. Miyoshi, M. Ozaki, N. Nishitani, A. V. Oinats, and V. I. Kurkin, Spatial extent of quasi-periodic emissions simultaneously observed by Arase and Van Allen Probes on November 29, 2018, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA028126, 2020.
272. Kim, H., K. Shiokawa, J. Park, Y. Miyoshi, Y. Miyashita, C. Stolle, K.-H. Kim, J. Matzka, S. Buchert, T. Fromm and J. Hwang, Ionospheric plasma density oscillation related to EMIC Pc1 waves, Geophys. Res. Lett., 47, https://doi.org/10.1029/2020GL089000, 2020.
273. Nose, M., A. Matsuoka, A. Kumamoto, Y. Kasahara, M. Teramoto, S. Kurita, J. Goldstein, L. M. Kistler, S. Singh, A. Gololobov, K. Shiokawa, S. Imajo, S. Oimatsu, K. Yamamoto, Y. Obana, M. Shoji, F. Tsuchiya, I. Shinohara, Y. Miyoshi, W. S. Kurth, C. A. Kletzing, C. W. Smith, R. J. MacDowall, H. Spence, and G. D. Reeves, Oxygen Torus and Its Coincidence with EMIC Wave in the Deep Inner Magnetosphere: Van Allen Probe B and Arase Observations, Earth Planets Space, 72:111, https://doi.org/10.1186/s40623-020-01235-w, 2020.
274. Nilam B., S. Tulasi Ram, K. Shiokawa, N. Balan, and Q. Zhang, The solar wind density control on the Prompt Penetration Electric Field and Equatorial Electrojet, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA027869, 2020.
275. Inaba Y., K. Shiokawa, S. Oyama, Y. Otsuka, A. Oksanen, A. Shinbori, A. Yu. Gololobov, Y. Miyoshi, Y. Kazama, S.-Y. Wang, S. W. Y. Tam, T.-F. Chang, B.-J. Wang, S. Yokota, S. Kasahara, K. Keika, T. Hori, A. Matsuoka, Y. Kasahara, A. Kumamoto, Y. Kasaba, M. Shoji, I. Shinohara, and C. Stolle, Plasma and field observations in the magnetospheric source region of a stable auroral red (SAR) arc by the Arase satellite on 28 March 2017, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA028068, 2020.
276. Takahashi, H., C. M. Wrasse, C. A. O. B. Figueiredo, D. Barros, I. Paulino, P. Essien, M. A. Abdu, Y. Otsuka and K. Shiokawa, Equatorial plasma bubble occurrence under propagation of MSTID and MLT gravity waves, J. Geophys. Res., 125, https://doi.org/10.1029/2019JA027566, 2020.
277. Oyama, S., A. Shinbori, Y. Ogawa, M. Kellinsalmi, T. Raita, A. Aikio , H. Vanham辰ki, K. Shiokawa, I. Virtanen, L. Cai, A. B. Workayehu, M. Pedersen, K. Kauristie, T. T. Tsuda, B. Kozelov, A. Demekhov, A. Yahnin, F. Tsuchiya , A. Kumamoto, Y. Kasahara, A. Matsuoka, M. Shoji, M. Teramoto and M. Lester, An ephemeral 1 red arc appeared at 68-degree MLat at a pseudo breakup during geomagnetically quiet conditions, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA028468, 2020.
278. Hosokawa K., M. Nagata, K. Shiokawa, and Y. Otsuka, What controls the luminosity of polar cap airglow patches?: implication from airglow measurements in Eureka, Canada in comparison with SuperDARN convection pattern, Polar Science, https://doi.org/10.1016/j.polar.2020.100608, 2020.
279. Yadav S., K. Shiokawa, Y. Otsuka, M. Connors, and J.-P. St. Maurice, Multi-wavelength imaging observations of STEVE at Athabasca, Canada, J. Geophys. Res., 126, https://doi.org/10.1029/2020JA028622, 2021.
280. Takeshita Y., K. Shiokawa, Y. Miyoshi, M. Ozaki, Y. Kasahara, S. Oyama, M. Connors, J. Manninen, V. K. Jordanova, D. Baishev, A. Oinats, and V. Kurkin, Study of spatiotemporal development of global distribution of magnetospheric ELF/VLF waves using ground-based and satellite observations, and RAM-SCB simulations, for the March and November 2017 storms, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA028216, 2020.
281. Imajo, S., Y. Miyoshi, Y. Kazama, K. Asamura, I. Shinohara, K. Shiokawa, Y. Kasahara, Y. Kasaba, A. Matsuoka, S.-Y. Wang, S. W. Y. Tam, T.���F. Chang, B.���J. Wang, V. Angelopoulos, C.-W. Jun, M. Shoji, S. Nakamura, M. Kitahara, M. Teramoto, S. Kurita, and T. Hori, Active auroral arc powered by accelerated electrons from very high altitudes, Scientific Reports, 11:1610, https://doi.org/10.1038/s41598-020-79665-5, 2020.
282. Martinez-Calderon, C., Y. Katoh, J. Manninen, O. Santolik, Y. Kasahara, S. Matsuda, A. Kumamoto, F. Tsuchiya, A. Matsuoka, M. Shoji, M. Teramoto, I. Shinohara, K. Shiokawa, and Y. Miyoshi, Multi-event study of characteristics and propagation of naturally occurring ELF/VLF waves using high-latitude ground observations and conjunctions with the Arase satellite, J. Geophys. Res., 126, https://doi.org/10.1029/2020JA028682, 2021.
283. Ozaki, M., K. Shiokawa, R. B. Horne, M. J. Engebretson, M. Lessard, Y. Ogawa, K. Hosokawa, M. Nose, Y. Ebihara, A. Kadokura, S. Yagitani, Y. Miyoshi, S. Hashimoto, S. Sinha, A. K. Sinha, G. K. Seemala, and C.-W. Jun, Magnetic conjugacy of Pc1 waves and isolated proton precipitation at subauroral latitudes: Importance of ionosphere as intensity modulation region, Geophys. Res. Lett., 48, https://doi.org/10.1029/2020GL091384, 2021.
284. V. Lakshmi Narayanan, S. Nozawa, S. Oyama, I. Mann, K. Shiokawa, Y. Otsuka, N. Saito, S. Wada, T. D. Kawahara, and T. Takahashi, Formation of an additional density peak in the bottomside of sodium layer associated with the passage of multiple mesospheric frontal systems, Atmospheric Chemistry and Physics, 21, 2343-2361, https://doi.org/10.5194/acp-21-2343-2021, 2021.
285. Amory-Mazaudier, C., S. Radicella, P. Doherty, S. Gadimova, R. Fleury, B. Nava, E. Anas, M. Petitdidier, Y. Migoya-Oru辿, K. Alazo, and K. Shiokawa, Development of research capacities in space weather: A successful international cooperation, Journal of Space Weather and Space Climate, 11, 28, https://doi.org/10.1051/swsc/2021006, 2021.
286. Kim, H., K. Shiokawa, J. Park, Y. Miyoshi, C. Stolle and S. Buchert, Statistical analysis of Pc1 wave ducting deduced from Swarm satellites, J. Geophys. Res., 125, https://doi.org/10.1029/2020JA029016, 2021.
287. Thomas, N., K. Shiokawa, Y. Miyoshi, Y. Kasahara, I. Shinohara, A. Kumamoto, F. Tsuchiya, A. Matsuoka, S. Kasahara, S. Yokota, K. Keika, T. Hori, K. Asamura, S.-Y. Wang, Y. Kazama, S. W. Y. Tam, T. F. Chang, B. J. Wang, J. Wygant, A. Breneman, and G. Reeves, Investigation of small-scale electron density irregularities observed by the Arase and Van Allen Probes satellites inside and outside the plasmasphere. Journal of Geophysical Research: Space Physics, 126, e2020JA027917. https://doi.org/10.1029/2020JA027917, 2021.
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297. Takahashi, H., P. Essien, C.A.O.B Figueiredo, C.M. Wrasse, D. Barros, M. A. Abdu, Y. Otsuka, K. Shiokawa and Guozhu Li, Multi-instrument study of the longitudinal wave structures for plasma bubble seeding in the equatorial ionosphere, Earth and Planetary Physics, 5: 1?10, doi: 10.26464/epp2021047, 2021.
298. Kim, H., K. Shiokawa, J. Park, Y. Miyoshi, Y. Miyashita, C. Stolle, H. Kim Connor, J. Hwang, S. Buchert, H.-J. Kwon, S. Nakamura, K. Nakamura, S. Oyama, Y. Otsuka, T. Nagatsuma, and K. Sakaguchi, Isolated Proton Aurora Driven by EMIC Pc1 Wave: PWING, Swarm, and NOAA POES Multi-Instrument Observations, Geophys. Res. Lett, 48, https://doi.org/10.1029/2021GL095090, 2021.
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303. Nakamura, S., Y. Miyoshi, K. Shiokawa, Y. Omura, T. Mitani, T. Takashima, N. Higashio, I. Shinohara, T. Hori, S. Imajo, A. Matsuoka, F. Tsuchiya, A. Kumamoto, Y. Kasahara, M. Shoji, H. Spence, and V. Angelopoulos, Simultaneous Observations of Drifting Wormhole Structures in the Earth���s Radiation Belt by the Arase satellite, Van Allen Probes, and THEMIS, Geophys. Res. Lett., 49, https://doi.org/10.1029/2021GL095194, 2022.
304. Miyoshi, Y., I. Shinohara, S. Ukhorskiy, S. G. Claudepierre, T. Mitani, T. Takashima, T. Hori, O. Santolik, I. Kolmasova, S. Matsuda, Y. Kasahara, M. Teramoto, Y. Katoh, M. Hikishima, H. Kojima, S. Kurita, S. Imajo, N. Higashio, S. Kasahara, S. Yokota, K. Asamura, Y. Kazama, S-Y. Wang, C. Jun, Y. Kasaba, A. Kumamoto, F. Tsuchiya, M. Shoji, S. Nakamura, M. Kitahara, A. Matsuoka, K. Shiokawa, K. Seki, M. Nose, K. Takahashi, C. Martinez-Calderon, G. Hospodarsky, C. Colpitts, Craig Kletzing, J. Wygant, H.Spence, D. N. Baker, G. D. Reeves, J. B. Blake, and L. Lanzerotti, Collaborative Research Activities of the Arase and Van Allen Probes, Space Science Reviews, 218, https://link.springer.com/article/10.1007/s11214-022-00885-4, 2022.
305. Thomas, N., A. Kero, Y. Miyoshi, K. Shiokawa, M. Hyotyla, T. Raita, Y. Kasahara, I. Shinohara, S. Matsuda, S. Nakamura, S. Kasahara, S. Yokota, K. Keika, T. Hori, T. Mitani, T. Takashima, K. Asamura, Y. Kazama, S.-Y. Wang, C-W. Jun, N. Higashio, Statistical survey of Arase satellite data sets in conjunction with the Finnish Riometer Network, J. Geophys. Res., 127, https://doi.org/10.1029/2022JA030271, 2022.
306. Ozaki, M., S. Yagitani, K. Shiokawa, Y. Tanaka, Y. Ogawa, K. Hosokawa, Y. Kasahara, Y. Ebihara, Y. Miyoshi, K. Imamura, R. Kataoka, S. Oyama, T. Chida, and A. Kadokura, Slow contraction of flash aurora induced by an isolated chorus element ranging from lower-band to upper-band frequencies in the source region, Geophys. Res. Lett., 49, e2021GL09759, https://doi.org/10.1029/2021GL097597, 2022.
307. Imajo, S., Y. Miyoshi, K. Asamura, I. Shinohara, M. Nose, K. Shiokawa, Y. Kasahara, Y. Kasaba, A. Matsuoka, S. Kasahara, S. Yokota, K .Keika, T. Hori, M. Shoji, S. Nakamura, and M. Teramoto, Signatures of auroral potential structure extending through the near-equatorial inner magnetosphere, Geophys. Res. Lett., 49, e2022GL098105, https://doi.org/10.1029/2022GL098105, 2022.
308. Nakamura, K., K. Shiokawa, M. Nose, T. Nagatsuma, K. Sakaguchi, H. Spence, G. Reeves, H. O. Funsten, R. MacDowall, C. Smith, J. Wygant, J. Bonnell, and I. Mann, Multi-event study of simultaneous observations of isolated proton auroras at subauroral latitudes using ground all-sky imagers and the Van Allen Probes, J. Geophys. Res., 127, e2022JA030455. https://doi.org/10.1029/2022JA030455, 2022.
309. Yadav, S., K. Shiokawa, Y. Otsuka, M. Connors, Statistical study of subauroral arc detachment at Athabasca, Canada: new insights on STEVE, J. Geophys. Res., 127, e2022JA029856, https://doi.org/10.1029/2021JA029856, 2022.
310. Naito, H., K. Shiokawa, Y. Otsuka, H. Fujinami, T. Tsuboi, T. Sakanoi, A. Saito, and T. Nakamura, Three-dimensional Fourier analysis of atmospheric gravity waves and medium-scale traveling ionospheric disturbances observed in airglow images in Hawaii over three years, J. Geophys. Res., 127, e2022JA030346, https://doi.org/10.1029/2022JA030346, 2022.
311. Ozaki, M., K. Shiokawa, R. Kataoka, M. Mlynczak, L. Paxton, M. Connors, S. Yagitani, S. Hashimoto, Y. Otsuka, S. Nakahira and I. Mann, Localized mesospheric ozone destruction corresponding to isolated proton aurora coming from Earth���s radiation belt, Nature Scientific Report, 12:16300, https://doi.org/10.1038/s41598-022-20548-2, 2022.
312. Oyama, S., H. Vanhamaki, L. Cai, A. Aikio, M. Rietveld, Y. Ogawa, T. Raita, M. Kellinsalmi, K. Kauristie, B. Kozelov, A. Shinbori, K. Shiokawa, T. T. Tsuda, T. Sakanoi, Thermospheric wind response to a sudden ionospheric variation in the trough: Event at a pseudo breakup during geomagnetically quiet conditions, Earth, Planets and Space, 74:154, https://doi.org/10.1186/s40623-022-01710-6, 2022.
313. Chen, L., K. Shiokawa, Y. Miyoshi, S. Oyama, C-W. Jun, Y. Ogawa, K. Hosokawa, Y. Inaba, Y. Kazama, S. Y. Wang, S. W. Y. Tam, T. F. Chang, B. J. Wang, K. Asamura, S. Kasahara, S. Yokota, T. Hori, K. Keika, Y. Kasaba, A. Kumamoto, F. Tsuchiya, M. Shoji, Y. Kasahara, A. Matsuoka, I. Shinohara, S. Imajo, S. Nakamura, M. Kitahara, Observation of source plasma and field variations of a substorm brightening aurora at L~6 by a ground-based camera and the Arase satellite on 12 October 2017, J. Geophys. Res., 127, e2021JA030072, https://doi.org/10.1029/2021JA030072, 2022.
314. Rukundo, W., K. Shiokawa, A Elsaid, Ola A. Abuelezz, Ayman M. Mahrous, A Machine Learning Approach for Total Electron Content (TEC): Prediction over the Northern Anomaly Crest Region in Egypt, Adv. Space Res., https://doi.org/10.1016/j.asr.2022.10.052, 2022.
315. Liu, J., K. Shiokawa, S. Oyama, Y. Otsuka, C.-W. Jun, M. Nose, T. Nagatsuma, K. Sakaguchi, A. Kadokura, M. Ozaki, M. Connors, D. Baishev, N. Nishitani, A. Oinats, V. Kurkin, T. Raita, A statistical study of longitudinal extent of Pc1 pulsations using seven PWING ground stations at subauroral latitudes, J. Geophys. Res., 128, e2021JA029987, https://doi.org/10.1029/2021JA029987, 2023.
316. Kawai, K., K. Shiokawa, Y. Otsuka, S. Oyama, M. G. Connors, Y. Kasahara, Y. Kasaba, S. Nakamura, F. Tsuchiya, A. Kumamoto, A. Shinbori, A. Matsuoka, I. Shinohara, and Y. Miyoshi, Multi-event analysis of magnetosphere-ionosphere coupling of nighttime medium-scale traveling ionospheric disturbances from the ground and the Arase satellite, J. Geophys. Res., 128, e2022JA030542, https://doi.org/10.1029/2022JA030542, 2023.
317. Tian, X., Y. Yu, F. Gong, L. Ma, J. Cao,, S. C. Solomon, P. R. Shreedevi, K. Shiokawa, Y. Otsuka, S. Oyama, and Y. Miyoshi, Ionospheric modulation by EMIC wave driven proton precipitation: observations and simulations, J. Geophys. Res., 128, https://doi.org/10.1029/2022JA030983, 2023.
318. Lyons, L. R., Y. Nishimura, J. Liu, Y. Zou, W. A. Bristow, S. Yadav, E. Donovan, N. Nishitani, K. Shiokawa, and K. Hosokawa, Unsolved problems: Mesoscale Polar Cap Flow Channels' Structure, Propagation, and Effects on Space Weather Disturbances, Frontiers Astronomy and Space Sciences, https://doi.org/10.3389/fspas.2023.1147531, 2023.
319. Gololobov, A., K. Shiokawa, D. Baishev, Y. Inaba, Y. Otsuka and M. Connors, Multi-event conjugate measurements of the SAR arc detachment from the auroral oval using DMSP satellites and an all-sky camera at Athabasca, Canada, J. Geophys. Res., 128, https://doi.org/10.1029/2022JA030544, 2023.
320. Oyama, S., A. Aikio, T. Sakanoi, K. Hosokawa, H. Vanhamaki, L. Cai, I. Virtanen, M. Pedersen, K. Shiokawa, A. Shinbori, N. Nishitani, and Y. Ogawa, Geomagnetic activity dependence and dawn-dusk asymmetry of thermospheric winds from 9-year measurements with a Fabry-Perot interferometer in Tromso, Norway, Earth Planets, Space, 70. https://doi.org/10.1186/s40623-023-01829-0, 2023.
321. Sato, K., Y. Tomikawa, M. Kohma, R. Yasui, D. Koshin, H. Okui, S. Watanabe, K. Miyazaki, M. Tsutsumi, D. Murphy, C. Meek, Y. Tian, M. Ern, G. Baumgarten, J. L. Chau, X. Chu, R. Collins, P. J. Espy, H. Hashiguchi, A. J. Kavanagh, R. Latteck, F.-J. Luebken, M. Milla, S. Nozawa, Y. Ogawa, K. Shiokawa, M. J. Alexander, T. Nakamura, and W. E. Ward, Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results, J. Geophys. Res., 128, https://doi.org/10.1029/2022JD038249, 2023.
322. Okoh, D., K. Shiokawa, Y. Otsuka, B. Rabiu, J. B. Habarulema. Y. Migoya-Orue, C. Cesaroni, Equatorial Plasma Bubble Intensities across Longitudinal Sectors of the Globe using GNSS Observations, J. Atmos. Solar-Terr. Phys., 249, https://doi.org/10.1016/j.jastp.2023.106097, 2023.
323. Oyama, S., K. Hosokawa, H. Vanhamaki, A. Aikio, T. Sakanoi, L. Cai, I. I. Virtanen, K. Shiokawa, N. Nishitani, A. Shinbori, and Y. Ogawa, IMF dependence of midnight bifurcation in the thermospheric wind and ionospheric ion velocity at auroral latitudes based on 9 winter measurements in Tromsoe, Norway, Geophys. Res. Lett., 50, e2023GL104334, https://doi.org/10.1029/2023GL104334, 2023.
324. Hosokawa, K., S.-I. Oyama, Y. Ogawa, Y. Miyoshi, S. Kurita, M. Teramoto, S. Nozawa, T. Kawabata, Y. Kawamura, Y.-M. Tanaka, H. Miyaoka, R. Kataoka, K. Shiokawa, U. Brandstrom, E. Turunen, T. Raita, M. G. Johnsen, C. Hall, D. Hampton, Y. Ebihara, Y. Kasahara, S. Matsuda, I. Shinohara, and R. Fujii, A ground-based instrument suite for integrated high-time resolution measurements of pulsating aurora with Arase, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031527, 2023.
325. Hirai, A., F. Tsuchiya, T. Obara, Y. Katoh, Y. Miyoshi, K. Shiokawa, Y. Kasaba, H. Misawa, C. W. Jun, S. Kurita, M. G Connors, A. Hendry, A. Shinbori, Y. Otsuka, T. Tsugawa, M. Nishioka, S. Perwitasari, J. W. Manweiler, Spatio-temporal characteristics of IPDP-type EMIC waves on April 19, 2017: Implications for loss of relativistic electrons in the outer belt, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031479, 2023.
326. Tsuboi, T., K. Shiokawa, Y. Otsuka, H. Fujinami, T. Nakamura, and D. Neudegg, Statistical Analysis of the Horizontal Phase Velocity Distribution of Atmospheric Gravity Waves and Medium-Scale Traveling Ionospheric Disturbances in Airglow Images over Darwin (12.4oS, 131.0oE), J. Geophys. Res., 128, https://doi.org/10.1029/2022JA030769, 2023.
327. Surkov V.V., V. A. Pilipenko, and K. Shiokawa, Geomagnetic effect of the atmospheric acoustic resonance excited by earthquakes and volcano eruptions, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031872, 2023.
328. Chen, L., K. Shiokawa, Y. Miyoshi, S. Oyama, C-W. Jun, Y. Ogawa, K. Hosokawa, Y. Kazama, S. Y. Wang, S. W. Y. Tam, T. F. Chang, B. J. Wang, K. Asamura, S. Kasahara, S. Yokota, T. Hori, K. Keika, Y. Kasaba, A. Kumamoto, F. Tsuchiya, M. Shoji, Y. Kasahara, A. Matsuoka, I. Shinohara, S. Nakamura, Correspondence of Pi2 pulsations, aurora luminosity, and plasma flux fluctuation near a substorm brightening aurora: Arase observations, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031648, 2023.
329. Figueiredo, C. A. O. B., C. M. Wrasse, S. Vadas, H. Takahashi, Y. Otsuka, P. K. Nyassor, K. Shiokawa, I. Paulino, and D. Barros, Daytime medium-scale traveling ionospheric disturbances (MSTIDs) over the Andes Mountains at equatorial and low magnetic latitudes, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031477, 2023.
330. Eriksen, N. K., D. A. Lorentzen, K. Oksavik, L. Baddeley, K. Hosokawa, K. Shiokawa, E. Bland, L. Paxton, Y. Zhang, K. McWilliams, T. Yeoman, and D. R. Themens, On the Creation, Depletion, and End of Life of Polar Cap Patches, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031739, 2023.
331. Tsuboi, T., K. Shiokawa, Y. Otsuka, H. Fujinami, and T. Nakamura, Statistical Analysis of the Horizontal Phase Velocity Distribution of Atmospheric Gravity Waves and Medium-Scale Traveling Ionospheric Disturbances in Airglow Images over Sata (31.0oN, 130.7oE), Japan, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031600, 2023.
332. Kato, Y., K. Shiokawa, Y. Tanaka, M. Ozaki, A. Kadokura, S. Oyama, A. Oinats, M. Connors, and D. G. Baishev, Longitudinal development of cosmic noise absorption based on multipoint observations at subauroral latitudes during storm-time substorms on August 25-28, 2018, J. Geophys. Res., 128, https://doi.org/10.1029/2023JA031950, 2023.
333. Ohya, H., T. Suzuki, F. Tsuchiya, H. Nakata, and K. Shiokawa, Variation in the reflection height of VLF/LF transmitter signals in the D-region ionosphere and the possible source: a 2018 meteoroid in Hokkaido, Japan, Radio Science, 59, e2023RS007801. https://doi.org/10.1029/2023RS007801, 2024.
334. Oyama, S., H. Vanhamaki, L. Cai, A. Shinbori, K. Hosokawa, T. Sakanoi, K. Shiokawa, A. Aikio, I. I. Virtanen, Y. Ogawa, Y. Miyoshi, and S. Kurita, Thermospheric wind response to March 2023 storm: Largest wind ever observed with a Fabry-Perot interferometer in Tromso, Norway since 2009, Space Weather, 22, e2023SW003728. https://doi.org/10.1029/2023SW003728, 2024.
335. Obana, Y., K. Sakaguchi, M. Nose, K. Hosokawa, P. Jaquiery, S. Saita, K. Shiokawa, M. Connors, A. Kadokura, T. Nagatsuma, T. Petersen, New Observational Projects in New Zealand for Studying Radiation Belt Loss Processes in the Deep Inner Magnetosphere: Instrumentation, Operation by Solar Power and Initial Results, Earth, Planets and Space, 76:42, https://doi.org/10.1186/s40623-024-01990-0, 2024.
336. Sato, M., K. Shiokawa, S. Oyama, Y. Otsuka, A. Shinbori, and A. Oksanen, Statistical analysis of low-latitude boundary of polar-type medium-scale travelling ionospheric disturbances observed by a 630-nm airglow imager at Nyrola, Finland, J. Geophys. Res., 129, https://doi.org/10.1029/2023JA032077, 2024.
337. Balan, N., Q.-H. Zhang, S. Tulasi Ram, K. Shiokawa, V. Manu, Z.-Y. Xing, How to identify and forecast severe space weather events, J. Atmos. Solar?Terr. Phys. 256, https://doi.org/10.1016/j.jastp.2024.106183, 2024
338. Nanjo, N., G. A. Hofstra, K. Shiokawa, A. Shinbori, S. Nozawa, and K. Hosokawa, Post-midnight purple arc and patches appeared on the high latitude part of the auroral oval: Dawnside counterpart of STEVE?, Earth, Planets and Space, 76:55 https://doi.org/10.1186/s40623-024-01995-9, 2024.
339. Yin, Z., X. Zhou, Z. Hu, C. Yue, Q. Zong, Z. Liu, J. Liu, K. Shiokawa, S. Oyama and D. Baishev, Westward Excursion of Pc1/EMIC Waves and Their Source Protons: Paradoxical Observations from Ground and Space, J. Geophys. Res., 129, https://doi.org/10.1029/2023JA032317, 2024.
340. Kim, K.-H., C.-W. Jun, J.-W. Kwon, J. Lee, K. Shiokawa, Y. Miyoshi, E.-H. Kim, K. Min, J. Seough, K. Asamura, I. Shinohara, A. Matsuoka, S. Yokota, Y. Kasahara, S. Kasahara, K. Keika, A. Kumamoto, and F. Tsuchiya, Observation and Numerical Simulation of Cold Ions Energized by EMIC Waves, J. Geophys. Res., 129, https://doi.org/10.1029/2023JA032361, 2024.
341. Kataoka, R., Y. Miyoshi, K. Shiokawa, N. Nishitani, K. Keika, T. Amano, and K. Seki, Magnetic storm-time red aurora as seen from Hokkaido, Japan on December 1, 2 2023 associated with high-density solar wind, Geophys. Res. Lett., 51, e2024GL108778. https://doi.org/10.1029/2024GL108778, 2024.
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1. Magnetospheric Plasma Sources and Losses, edited by B. Hultqvist, M. Oieroset, G. Paschmann, and R. Treumann, Chapter 3: Process leading to plasma losses into the high-latitude atmosphere by L. R. Lyons, H. E. J. Koskinen, J. B. Blake, A. Egeland, M. Hirahara, M. Oieroset, P.E. Sandholt, and K. Shiokawa, Kluwer, 1999.
2. 阿部学、小川忠彦、小川泰信、上出洋介、河合崇欣、川田佳史、菊池崇、才野敏郎、佐藤淳、塩川和夫、関華奈子、中村健治、野澤悟徳、檜山哲哉、藤木利之、増田公明、松見豊、松本英二、元場哲郎、安成哲三、山口靖、渡邊誠一郎、新しい地球学−太陽−地球生命圏総合作用系の変動学−、渡邊誠一郎他編、360pp, 名古屋大学出版会、名古屋、2008．
3. 柴田一成、上出洋介（編著）、総説 宇宙天気、「磁気圏構造とオーロラ」章、京大出版会、2011.
4. T. Bosinger, J. LaBelle, H. J. Opgenoorth, J.-P. Pommereau, K. Shiokawa, S. C. Solomon, and R. A. Treumann (editors), Dynamic coupling between Earth's atmospheric and plasma environments, Space Sciences Series of ISSI, Vol. 42, Springer, 2013.
5. D. Pancheva, P. Koucka Knizova, K. Shiokawa and W. Wan (editors), Recent Progress in the Vertical Coupling in the Atmosphere-Ionosphere System, J. Atmos. Solar-Terr. Phys., Volumes 90-91, Pages 1-222, Elsevier, December 2012.
4. T. Bosinger, J. LaBelle, H. J. Opgenoorth, J.-P. Pommereau, K. Shiokawa, S. C. Solomon, and R. A. Treumann (editors), Dynamic coupling between Earth's atmospheric and plasma environments, Space Sciences Series of ISSI, Vol. 42, Springer, 2013.
5. D. Pancheva, P. Koucka Knizova, K. Shiokawa and W. Wan (editors), Recent Progress in the Vertical Coupling in the Atmosphere-Ionosphere System, J. Atmos. Solar-Terr. Phys., Volumes 90-91, Pages 1-222, Elsevier, December 2012.
5. D. Pancheva, P. Koucka Knizova, K. Shiokawa and W. Wan (editors), Recent Progress in the Vertical Coupling in the Atmosphere-Ionosphere System, J. Atmos. Solar-Terr. Phys., Volumes 90-91, Pages 1-222, Elsevier, December 2012.
6. A. Bhattacharyya, J. Chau, C. M. Denardini, D. L. Hysell, E. Kudeki, J. Makela and K. Shiokawa, (editors),"Recent Advances in Equatorial, Low- and Mid-latitude Aeronomy", J. Atmos. Solar-Terr. Phys., vol. 103, pages 1-194, October 2013.
7. 塩川和夫、鈴木臣、夜間大気光のふしぎ、幻冬舎、2018年3月.
---------------- Some International Conference Paper -----------------
1. Miyoshi, Y., K. Seki, K. Shiokawa, T. Ono, Y. Kasaba, A. Kumamoto, M. Hirahara, T. Takashima, K. Asamura, A. Matsuoka, T. Nagatsuma, and ERG working group, Geospace Exploration Mission: ERG project, Trans. of the Japan Society for Aeronautical and Space Sci., Arerospace Technology, Japan, vol.8, No.ISTS27 (ISTS Special Issue: Selected papers from the 27th International Symposium on Space Technology and Science), 2010.
2. Y Miyoshi, Y Kasaba, I Shinohara, T Takashima, K Asamura, H Matsumoto, N Higashio, T Mitani, S Kasahara, S Yokota, S Wang, Y Kazama, Y Kasahara, S Yagitani, A Matsuoka, H Kojima, Y Katoh, K Shiokawa, K Seki, M Fujimoto, T Ono, and ERG project group (2017), Geospace exploration project: Arase (ERG), IOP Conf. Series: J, Phys,: Conf. Series 869,012095, doi:10.1088/1742-6596/869/1/012095
3. Belakhovsky V.B., K. Shiokawa, A. Matsuoka, Y. Kasahara, I. Shinohara, Y. Miyoshi, S.-Y. Wang, Y. Kaza ma, S. Kasahara, S. Yokota. The Long-Lasting QP Emissions Observed on Arase Satellite and Lovozero Station // IEEE Xplore, 2020, pp. 1-4, doi: 10.23919/URSIGASS49373.2020.9232442
4. Idahwati Sarudin, Nurul Shazan Abdul Hamida, Mardina Abdullah, Fatin Nur Syakirah Mohd Rusli, Yuichi Otsuka, Kazuo Shiokawa, Clara Yatini, Siramas Komonjinda, and Ekkarach Somboon, Variations of Zonal Wind Velocity in the Thermosphere Observed at Southeast Asian Sector During Quiet and Active Geomagnetic Days, Jurnal Fizik Malaysia Volume 43 Issue 1 (2022) pgs 10025-10035, https://ifm.org.my/viewpublication/62159790ef0ae7abae53bf05
5. Srisamoodkham, W., Shiokawa, K., Otsuka, Y., Ansari, K., Jamjareegulgarn, P. (2022). Detecting Equatorial Plasma Bubbles on All-Sky Imager Images Using Convolutional Neural Network. In: Sharma, H., Shrivastava, V., Kumari Bharti, K., Wang, L. (eds) Communication and Intelligent Systems . Lecture Notes in Networks and Systems, vol 461. Springer, Singapore. https://doi.org/10.1007/978-981-19-2130-8_38
6. Nozaki, Y., H. Ohya, F. Tsuchiya, K. Nozaki, H. Nakata, and K. Shiokawa, Local Time and Seasonal Variations in the D-Region Ionosphere: Does It Reflect Sudden Stratospheric Warming Effects?, URSI-JRSM2022, Radio Science Letters, volume 4, DOI: 10.46620/22-0045, 2023
7. Tanaka, K., H. Ohya, F. Tsuchiya, K. Nozaki, M. Teramoto, K. Shiokawa, Y. Miyoshi, M. Connors, and H. Nakata, Ultra Low Frequency Modulation of Energetic Electron Precipitation in the D-Region Ionosphere in a Magnetically Quiet Time Using OCTAVE Very Low Frequency and Low Frequency (VLF/LF) Observations, URSI-JRSM2022, Radio Science Letters, volume 4, DOI: 10.46620/22-0049, 2023.
8. Nakayama, M., H. Ohya, F. Tsuchiya, K. Nozaki, K. Shiokawa, and H. Nakata, Horizontal Inhomogeneity in the D-Region Ionosphere During an X-Class Solar Flare Determined by OCTAVE VLF Observations, URSI-JRSM2022, Radio Science Letters, volume 4, DOI: 10.46620/22-0050, 2023.
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List of Invited Talks at International Conferences
1. Shiokawa, K., K. Yumoto,Y. Tanaka, T. Oguti, Y. Kiyama, A. Matsuoka, H. Hayakawa, P. T. Newell, and C.-I. Meng, Ground-based observations of low-latitude auroras and related particle observations from satellites, 30th COSPAR Scientific Assembly, Humburg, Germany, July 11-21, 1994.
2. Shiokawa, K., G. Haerendel, and W. Baumjohann, Braking of high-speed flow and azimuthal pressure gradient as driving forces of substorm currents, International Conference on Substorms - 4, Lake Hamana, Japan, March 9-13, 1998.
1. Shiokawa, K., K. Yumoto,Y. Tanaka, T. Oguti, Y. Kiyama, A. Matsuoka, H. Hayakawa, P. T. Newell, and C.-I. Meng, Ground-based observations of low-latitude auroras and related particle observations from satellites, 30th COSPAR Scientific Assembly, Humburg, Germany, July 11-21, 1994.
2. Shiokawa, K., G. Haerendel, and W. Baumjohann, Braking of high-speed flow and azimuthal pressure gradient as driving forces of substorm currents, International Conference on Substorms - 4, Lake Hamana, Japan, March 9-13, 1998.
3. Shiokawa, K., W. Baumjohann, G. Haerendel, and H. Fukunishi, High- and low-altitude observations of adiabatic parameters associated with auroral electron acceleration, Auroral plasma dynamics workshop: Akebono, ten years later, Banff, Canada, July 4-7, 1999.
4. Shiokawa, K., Sun-aligned auroral arcs in the high-latitude morning sector under northward IMF, International Union of Geodesy and Geophysics (IUGG) General Assembly, Birmingam, UK, July 19-30, 1999.
5. Shiokawa, K., Y. Otsuka, T. Ogawa, A. Saito, S. Miyazaki, and F. J. Rich, Optical, GPS-TEC, and satellite observations of midlatitude ionospheric disturbances during magnetic storms, Western Pacific Geophysics Meeting, Tokyo, Japan, June 27-30, 2000.
6. Shiokawa, K., Midtail substorm onset, GEM Snowmass Workshop, Snowmass, U.S.A., June 16-22, 2001.
7. Shiokawa, K., I. Shinohara, T. Mukai, H. Hayakawa, Substorm-associated magnetic field fluctuations around X=-10Re, 6th International Conference on Substorms (ICS-6), Univ. of Washington, Seattle, U.S.A., March 25-29, 2002.
8. Shiokawa, K., PSMOS-related results obtained by the Optical Mesosphere Thermosphere Imagers (OMTIs), PSMOS 2002 Workshop, Foz de Iguacu, Brazil, October 4-8, 2002.
9. Shiokawa, K., Y. Otsuka, and T. Ogawa, Multi-point ground and satellite observations of nighttime medium-scale traveling ionospheric disturbances at midlatitudes, International Union of Geodesy and Geophysics (IUGG) General Assembly (GAII.02), Sapporo, Japan, June 30-July 11, 2003.
10. Shiokawa, K., Y. Otsuka, and T. Ogawa, Ground-based imaging of waves in the mesosphere, thermosphere, and ionosphere, 36th COSPAR Scientific Assembly (C1.1), Beijing, China, 16-23 July 2006.
11. Shiokawa, K., Y. Otsuka, and T. Ogawa, The Optical Mesosphere Thermosphere Imagers (OMTIs) for network measurments of aurora and airglow, International Conference on "Future Perspectives of Space Plasma and Particle Instrumentation and International Collaborations", Rikkyo University, November 1-3, 2006.
12. Shiokawa, K., Dynamic variations of the ionosphere from above and below, The First Korean Winter School on Space Physics, Gyeongju, Korea, February 21-22, 2008. (tutorial talk)
13. Shiokawa, K., Optical investigation of the ionospheric and atmospheric dynamics. How can we learn something more that is significant?, 12th International Symposium on Equatorial Aeronomy (ISEA-12), Crete, Greece, May 18-24, 2008.
14. Shiokawa, K., K. Sakaguchi, R. Nomura, Y. Otsuka, M. Connors, and B. Shevtsov, Ground-based observations of high frequency pulsations using search coil magnetometers, Asia Oceania Geosciences Society (AOGS) 2008 Meeting, Busan, Korea, June 16-20, 2008.
15. Shiokawa, K., Y. Otsuka, T. Ogawa, Observations of small-scale waves in the mesosphere and thermosphere using multi-point airglow imagers, Asia Oceania Geosciences Society (AOGS) 2008 Meeting, Busan, Korea, June 16-20, 2008.
16. Shiokawa, K., Y. Otsuka, N. Nishitani, T. Ogawa, T. Tsugawa, Sergey Smirnov, Vasiliy Bychkov, and Boris M. Shevtsov, Turning of MSTID motion from southwestward to northeastward observed by an airglow imager at Paratunka, Russia, Asia Oceania Geosciences Society (AOGS) 2008 Meeting, Busan, Korea, June 16-20, 2008.
17. Shiokawa, K., Y. Otsuka, and T. Ogawa, Observations of the middle and low latitude thermosphere using the Optical Mesosphere Thermosphere Imagers (OMTIs), 37th COSPAR Scientific Assembly, Montreal, Canada, July 13-20, 2008.
18. Shiokawa, K., and Y. Otsuka, Nighttime medium-scale traveling ionospheric disturbances observed by ground optical instruments at high- and low-latitudes, AGU Fall Meeting, San Fransisco, December 14-18, 2009. (Solicited)
19. Shiokawa, K., Imaging observations of coupling processes in the thermosphere-ionosphere-magnetosphere system at high and low latitudes, STP-12 symposium, Berlin, Germany, July 12-16, 2010 (Keynote Talk).
20. Shiokawa, K., J. Oberheide, and CAWSES-II Task Group 4, CAWSES-II Task Group 4: What is the geospace response to variable inputs from the lower atmosphere?, 38th COSPAR Scientific Assembly, Bremen, Germany, 18-25 July 2010. (Solicited)
21. Shiokawa, K., and Y. Otsuka, Ground network observations of the thermosphere and the mesosphere by the Optical Mesosphere Thermosphere Imagers (OMTIs), 38th COSPAR Scientific Assembly, Bremen, Germany, 18-25 July 2010. (Solicited)
22. Shiokawa, K., Ionosphere, International Space Weather Initiative (ISWI) UN/NASA/JAXA Workshop, Helwan, Egypt, November 6-10, 2010 (tutorial talk).
23. Shiokawa, K., S. Lee, and J. McFadden, Plasma sheet electrons as field-aligned current carriers and formation of auroral field-aligned potential difference, XXV IUGG General Assembly, Melbourne, Australia, June 28-July 7, 2011. (invited)
24. Shiokawa, K., Response of the Earth's inner magnetosphere to the extreme interplanetary conditions, XXV IUGG General Assembly, Melbourne, Australia, June 28-July 7, 2011. (invited)
25. Shiokawa, K., M. Mori, Y. Otsuka, S. Oyama, and S. Nozawa, Motion of high-latitude nighttime medium-scale traveling ionospheric disturbances associated with auroral brightening, AOGS-WPGM Joint Assembly (session ST23-17), Singapore, August 13-17, 2012. (Invited)
26. Shiokawa, K., A. Ieda, Y. Miyoshi, Y. Yokoyama, R. Nomura, S. Lee, M. Ozaki, K. Ishizaka, S. Yagitani, R. Kataoka, F. Tsuchiya, K. Asamara, M. Connors, and I. Schofield, Ground-based campaign observations of whislter-mode chorus waves and auroras during magnetic disturbances at subauroral latitudes, AOGS-WPGM Joint Assembly (session ST06), Singapore, August 13-17, 2012. (Invited)
27. Shiokawa, K., J. Oberheide, S. Gurubaran, and CAWSES-II Task Group 4, Current status of the CAWSES-II Task Group 4: What is the geospace response to variable inputs from the lower atmosphere?, International Symposium on Solar-Terrestrial Physics, Pune, India, November 6-9, 2012. (invited)
28. Shiokawa, K., Ground-based imaging observations of magnetosphere-ionosphere coupling processes in the inner magnetosphere, International Symposium on Solar-Terrestrial Physics, Pune, India, November 6-9, 2012. (invited)
29. Shiokawa, K., J. Oberheide, and S. Gurubaran, Current status of the CAWSES-II Task Group 4: What is the geospace response to variable inputs from the lower atmosphere?, 10th Annual Meeting of AOGS, Brisbane, June 24-28, 2013. (invited)
30. Shiokawa, K., Y. Otsuka, Y. Miyoshi, M. Ozaki, and M. Connors, Ground-based network observations of aurora, airglow, magnetic pulsations, and VLF waves at subauroral latitudes, 10th Annual Meeting of AOGS, Brisbane, June 24-28, 2013. (invited)
31. Shiokawa, K., Y. Otsuka, and S. Suzuki, Recent results on gravity wave penetration to the thermosphere and ionosphere, Workshop on Whole Atmosphere Coupling during Solar Cycle 24, Taipei, July 14-17, 2013. (invited review)
32. Shiokawa, K., Y. Otsuka, S. Suzuki, D. Fukushima, and V. Lakshmi Narayanan, Mesosphere-thermosphere-ionosphere coupling processes observed by the Optical Mesosphere Thermosphere Imagers (OMTIs), AOGS 11th Annual Meeting (session ST02), Sapporo, Japan, July 28-Aug.1, 2014. (solicited)
33. Shiokawa, K., Y. Otsuka, S. Suzuki, D. Fukushima, and V. Lakshmi Narayanan, Dynamic processes in the mesosphere thermosphere and ionosphere observed by the Optical Mesosphere Thermosphere Imagers (OMTIs) at equatorial and middle latitudes, 40th COSPAR Scientific Assembly (session C11), Moscow, Russia, 2-10 August 2014. (invited)
34. Shiokawa, K., Y. Otsuka, S. Suzuki, D. Fukushima, and V. Lakshmi Narayanan, Small-scale wave coupling processes observed by the Optical Mesosphere Thermosphere Imagers (OMTIs) in the mesosphere thermosphere and ionosphere, 40th COSPAR Scientific Assembly (session C22), Moscow, Russia, 2-10 August 2014. (invited)
35. Shiokawa, K., C.-W. Jun, C. Martinez-Calderon, N. Sunagawa, Y. Miyoshi, T. Nagatsuma, M. Ishii, M. Ozaki, M. Connors, I. Schofield, P. T. Jayachandran, I. Poddelsky, B. Shevtsov, and D. Baishev, Ground-based optical and ULF/ELF/VLF wave measurements at subauroral latitudes prepared for the ERG project, Geospace revisited: a Cluster/MAARBLE/Van Allen Probes Conference, Rhodes (Greece), 15-20 September 2014. (invited)
36. Shiokawa K., and Y. Otsuka, Multi-point ground-based observations of the thermosphere and ionosphere over Asia and Oceania by STEL, Nagoya University, 3rd conference of Asia Oceania Space Weather Alliance (ASOWA), Fukuoka, Japan, 2-5 March 2015. (invited)
37. Shiokawa, K., C.-W. Jun, Y. Miyoshi, K. Sakaguchi, R. Nomura, M. Connors, and B. Shevtsov, Ground-based observations of Pc1/EMIC waves and proton auroras at subauroral latitudes, The 26th IUGG/IAGA General Assembly, Prague, Czech Republic, June 22-July 2, 2015 (invited).
38. Shiokawa, K., A. Hashimoto, T. Hori, Y. Otsuka, S.-I. Oyama, S. Nozawa, K. Sakaguchi, Y. Ogawa, E. Donovan, E. Spanswick, M. Connors, K. McWilliams, M. Lester and M. G. Johnsen, Auroral fragmentation into patches, The 26th IUGG/IAGA General Assembly, Prague, Czech Republic, June 22-July 2, 2015 (invited).
39. Shiokawa, K., N. Sunagawa, C. Martinez-Calderon, Y. Miyoshi, M. Ozaki, R. Kataoka, and M. Connors, ELF/VLF observations at subauroral latitudes for understanding high-energy electron acceleration/loss processes in the inner magnetosphere, The 26th IUGG/IAGA General Assembly, Prague, Czech Republic, June 22-July 2, 2015 (invited).
40. Shiokawa, K., D. Takeo, A. C. Moral, and Y. Otsuka, Horizontal and vertical coupling of the middle and upper atmosphere observed by airglow imagers, International Symposium on the Whole Atmosphere (ISWA), Tokyo, Japan, 14-16 September 2016. (invited)
41. Kazuo Shiokawa, Solar-Terrestrial relations: Grand Challenge High impact science questions, Birkeland 150 year Anniversary Symposium "The Heritage of Kristian Birkeland and beyond, Royal Norwegian Embassy, Tokyo, Japan, April 6, 2017. (invited)
42. Kazuo Shiokawa, Yuichi Otsuka, and the PWING Project team, Ground observation networks by the Optical Mesosphere Thermosphere Imagers (OMTIs) and the PWING Project, 2017 International Space Weather Meridian Circle Program Workshop, Qingdao, China, May 15-17, 2017. (invited)
43. Kazuo Shiokawa, Yuichi Otsuka, Satoshi Tsuchiya, Aysegul Ceren Moral, and Daniel Okoh, Recent observations of traveling ionospheric disturbances and plasma bubbles using Optical Mesosphere Thermosphere Imagers in Asian and African sectors, AGU fall meeting, New Olreans, USA, 11-15 December 2017. (invited)
44. Kazuo Shiokawa and Katya Gieogieva, Preliminary review on scientific achievements of the SCOSTEP VarSITI program (2014-2018), 14th Quadrennial Solar-Terrestrial Physics Symposium, Toronto, Canada, July 9-13, 2018. (invited)
45. Kazuo Shiokawa and Katsuki Nishi, Auroral fragmentation into patches, 42nd Scientific Assembly of the Committee on Space Research (COSPAR), Pasadena, California, USA, July 14-22, 2018. (invited)
46. Kazuo Shiokawa, Yuichi Otsuka, Satoshi Tsuchiya, and Aysegul Ceren Moral Observation of atmospheric coupling and internal waves by airglow imagers, 42nd Scientific Assembly of the Committee on Space Research (COSPAR), Pasadena, California, USA, July 14-22, 2018. (invited)
47. Kazuo Shiokawa and Yuichi Otsuka, Recent results obtained by the Optical Mesosphere Thermosphere Imagers (OMTIs) at low and middle latitudes, 42nd Scientific Assembly of the Committee on Space Research (COSPAR), Pasadena, California, USA, July 14-22, 2018. (invited)
48. Kazuo Shiokawa and Katya Georgieva, Variability of the Sun and Its Terrestrial Impact (VarSITI): Research activities on space weather and solar effects on climate, 42nd Scientific Assembly of the Committee on Space Research (COSPAR), Pasadena, California, USA, July 14-22, 2018. (invited)
List of International Activities
1. Co-convener of GA3.03 "Determination of polar cap boundary: implications for magnetospheric energetics", at the International Union of Geodesy and Geophysics (IUGG) General Assembly, Birmingam, UK, July 19-30, 1999 (with K. Kauristie and M. Lockwood).
2. Co-convener of 2003 EGS/EUG/AGU Joint Assembly Session ST on "Equatorial and Low Latitude Aeronomy", Nice, France, April 06-11, 2003 (with Y. Sahai and C. E. Valladares).
3. Guest Editor of Annales Geophysicae (Special issue of equatorial and low latitude aeronomy) Volume 22, Number 9, 2004. Editor(s): Y. Sahai, K. Shiokawa, and C. E. Valladares
4. Co-convener of GAII.02 "Dynamics, energetics, and structure of the mesosphere-ionosphere-thermosphere region" at the International Union of Geodesy and Geophysics (IUGG) General Assembly, Sapporo, Japan, June 30-July 11, 2003 (with J. Forbes, J. Roettger, and M. J. Taylor).
5. Co-convener of JSA03 "Equatorial Middle Atmosphere - Thermosphere - Ionosphere Dynamics and Energetics", at the International Union of Geodesy and Geophysics (IUGG) General Assembly, Sapporo, Japan, June 30-July 11, 2003 (with M. A. Abdu, K. Hamilton, and R. Sridharan).
6. Co-convener of SP08 "Dynamics and Structure of the Mid- and Low-Latitude Ionosphere" at the Joint AOGS 1st Annual Meeting and 2nd APHW Conference 5-9 July, 2004, Singapore (with J.-Y Liu, A. Saito, and C.-J. Pan)
7. Co-convener of SP09 "Magnetosphere-Ionosphere-Thermosphere Coupling" at the Joint AOGS 1st Annual Meeting and 2nd APHW Conference 5-9 July, 2004, Singapore (with G. Lu and Z. Pu)
8. Vice-chair of the COSPAR subcommission C1 (The Earth's Upper Atmosphere and Ionosphere) (2004-2012)
9. Member of the IAGA young scientist committee (2004-2005)
10. Program Committee Member of the Western Pacific Geophysics Meeting (in charge of SPA-Aeronomy, July 24-27, 2006 at Beijing)
11. Co-convener of ST10 "Vertical coupling of thermospheric F region to MLT and plasmasphere-magnetosphere regions" at the AOGS Annual Meeting, July 10-14, 2006, Singapore (with N. Balan)
12. Co-convener of SH04 "Space Weather Research: Theory, Modeling and Prediction" in WPGM, July 24-27, 2006, at Beijing, China with Kazunari Shibata, P. K. Manoharan, and N. Srivastava
13. Guest Editor of Advances in Space Research (Special issue of 36th COSPAR 2006 Beijing C1.1 - Advances in Low- and Mid-latitude Mesosphere, Thermosphere, and Ionosphere Studies) Editor(s): Y. Sahai, K. Shiokawa, and P. R. Fagundes, Advances in Space Research, Volume 39, Issue 8, Pages 1237-1366, 2007.
14. Program committee member of the "Future Perspectives of Space Plasma and Particle Instrumentation and International Collaborations", November 1-3, 2006, Rikkyo Univ.
15. Co-convener of ASIII019 "Progressing to closure in magnetotail plasma sheet and substorm", an IAGA simposium at the IUGG General Assembly, Perugia, Italy, July 2-13, 2007 (with V. Angelopolous, and W. Baumjohann).
16. Program committee member of the "International CAWSES symposium", Kyoto Japan, October 23-27, 2007.
17. Co-convener of ISEA-12 session S8 "Coupling processes at low- and mid-latitudes", 12th International Symposium on Equatorial Aeronomy (ISEA-12), Crete, Greece, May 18-24, 2008. (with M. Larsen and R. Cosgrove)
18. Convener of GEM focus group "Expansion Onset: The First 10 Minutes", (2008-2012)
GEM 2008, Zermatt, Utah, June 25, 2008 (with V. Angelopoulos and S. Ohtani)
GEM 2009, Snowmass, Colorado, June 25-26, 2009
(with V. Angelopoulos, S. Ohtani, and A. Runov)
19. Convener of AGU2008 Fall Meeting session SM10 (New Perspectives on Substorms), San Fransisco, USA, December 15-19, 2008. (with S. Ohtani, A. Runov, and V. Angelopoulos)
20. Co-Leader of the SCOSTEP CAWSES-II (2009-2013) Task Group 4 "What is the geospace response to variable waves from the lower atmosphere?" (with J. Overheide)
21. Programming committee member of ICS-10, March 22-26, 2010, California, US.
22. Convener of "Coupling between the Earth's atmosphere and its plasma environment", ISSI, Bern, Switzerland, Sept.27-Oct.1, 2010.
23. Programming committee member of "The 4thIAGA/ICMA/CAWSES-II TG4 Workshop on Vertical Coupling in the Atmosphere-Ionosphere System", Prague, Czech Republic, Feb. 14-18, 2011.
24. Programming committee member of AGU Chapman Conference on Dynamics of Earth's Radiation Belts and Inner Magnetosphere Environment, July 2011.
25. International Steering Committee member of ISEA13-JRO50, Peru, 2012.
26. Guest Editor on Space Science Reviews for special issue of "Coupling between the Earth's atmosphere and its plasma environment", volume 168, Issue 1-4, June 2012.
27. Guest Editor on J. Atmos. Solar-Terr. Phys. for special issue of "Recent Progress in the Vertical Coupling in the Atmosphere-Ionosphere System", vol.90-91, pages, 1-222, December 2012.
28. Chair of the COSPAR subcommission C1 (The Earth's Upper Atmosphere and I
onosphere) (2012-2020)
29. Guest Editor on J. Atmos. Solar-Terr. Phys. for special issue of "Recent Advances in Equatorial, Low- and Mid-latitude Aeronomy", vol. 103, pages 1-194, October 2013.
30. Co-chair of the Variability of the Sun and Its Terrestrial Impact (VarSITI, 2014-2018) by SCOSTEP (with Katya Georgieva)
31. Guest Editor on Earth Planets and Space for special issue of the International CAWSES-II Symposium.
32. Guest Editor on Earth Planets and Space for special issue of the 12th International Conference on Substorms.
38. Co-chair of the Science Organizing Committee of the 1st VarSITI General Symposium, June 2016, Bulgaria.
39. Guest Editor on Annales Geophysicae for special issue of the 14th International Symposium of Equatorial Atmosphere (ISEA-14)
40. Co-convener of JpGU2016 session "Space Weather, Space Climate, and VarSITI", Makuhari, Japan, 24-29 May 2016.
41. Co-chair of SOC of "The 1st VarSITI General Symposium", Albena, Bulgaria, 6-10 June 2016.
44. Co-chair of SOC of "The 2nd VarSITI General Symposium", Irkutsk, Russia, 10-15 July 2017.
45. Science Organizing Committee member of IAU Symposium "Space Weather of the Heliosphere: Processes and Forecasts", Exeter, UK, 17-21 July 2017.
46. Coconvener of JpGU-AGU Joint Meeting 2018 session "Space Weather, Space Climate, and VarSITI, Makuhari, Japan, 20-24 May 2018.
47. SOC member of The STP-14 Symposium, Toronto, Canada, 10-14 July 2018.
48. SOC member of the VarSITI Completion Symposium, Sofia, Bulgaria, 10-14 June 2018.
49. Chief guest editor for the special issue of VarSITI2018 and STP-14 in Journal of Atmospheric and Solar-Terrestrial Physics, 2019-2020.
50. Convener of VarSITI Summarizing Workshop, Nagoya, Japan, 11-15 November 2019.
51. SCOSTEP President (July 2019 - July 2023)
52. Co-convener of IAGA-IASPEI 2021 Session 3.3 "Recent advances in the system level understanding of solar wind - magnetosphere - ionosphere - thermosphere coupling" with Jone Peter Reistad and Geeta Vichare, full online conference, 21-27 August 2021.
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