Refereed journal papers 1. Lightning and sprites(ground observation) 1-1) Hiroyo Ohya, Fuminori Tsuchiya, Hiroyuki Nakata, Kazuo Shiokawa, Yoshizumi Miyoshi, Kozo Yamashita, Yukihiro Takahashi, Reflection height of daytime tweek atmospherics during the solar eclipse of 22 July 2009, J. Gephys. Res., 117, A11, DOI: 10.1029/2012JA018151, 2012. 1-2) Kozo Yamashita, Yukihiro Takahashi, Mitsuteru Sato, Hiromi Kase, Improvement in lightning geolocation by time-of-arrival method using global ELF network data, J. Geophys. Res., 116, A2, DOI: 10.1029/2009JA014792, 2011. 1-3) Y. T. Tanaka, M. Hayakawa, Y. Hobara, A. P. Nickolaenko, K. Yamashita, M. Sato, Y. Takahashi, T. Terasawa, T. Takahashi, Detection of transient ELF emission caused by the extremely intense cosmic gamma-ray flare of 27 December 2004, Geophys. Res. Lett., 38, DOI: 10.1029/2011GL047008, 2011. 1-4) E. R. Williams, W. A. Lyons, Y. Hobara, V. C. Mushtak, N. Asencio, R. Boldi, J. Bor, S. A. Cummer, E. Greenberg, M. Hayakawa, R. H. Holzworth, V. Kotroni, J. Li. C. Morales, T. E. Nelson, C. Price, B. Russell, M. Sato, G. Satori, K. Shirahata, Y. Takahashi, K. Yamashita, Ground-based detection of sprites and their parent lightning flashes over Africa during the 2006 AMMA campaign, QUARTERLY JOURNAL OF THE ROYAL METEOROLOGICAL SOCIETY, 136, S1, 257-271, DOI: 10.1002/qj.489, 2010. 1-5) Williams, E., W. Lyons, Y. Hobara, V. Mushtak, N. Asencio, R. Boldi, J. Bór, S. Cummer, E. Greenberg, M. Hayakawa, R. Holzworth, V. Kotroni1, J. Li, C. Morales, T. Nelson, C. Price, B. Russell, G. Sátori, K. Shirahata, Y. Takahashi, K. Yamashita., Ground-Based Detection of Sprites and their Parent Lightning Flashes over Africa during the 2006 AMMA Campaign, undr final revision (almost accepted by refrees), 2008. 1-6) Williams, E., R. Boldi, J. B_r and G. S_tori, C. Price, E. Greenburg, Y. Takahashi, K. Yamamoto, T. Chronis, E. Anagnostou, D. Smith, and L. Lopez, Lightning Flashes Conducive to the Production and Escape of Gamma Radiation to Space, J. Geophys. Res, 111, D16209, doi:10.1029/2005JD006447, 2006. 1-7) Ohkubo, A., H. Fukunishi, Y. Takahashi, and T. Adachi, VLF/ELF sferic evidence for in-cloud discharge activity producing sprites, Geophys. Res. Lett., 32, 4812, 2005. 1-8) Adachi, T., H. Fukunishi, Y. Takahashi, M. Sato, A. Ohkubo, K. Yamamoto, Characteristics of thunderstorm systems producing winter sprites in Japan, J. Geophys.Res., 110, D11203 10.1029/2004JD005012, 2005. 1-9) Adachi, T., H. Fukunishi, Y. Takahashi, et al. , Roles of the EMP and QE in the generation of columnyform sprites, Geophys. Res. Lett., 31, 10.1029/2003 GL019081, 2004. 1-10) Takahashi, Y., R. Miyasato, T. Adachi, K. Adachi, M. Sera, A. Uchida and H. Fukunishi, Activities of sprites and elves in the winter season, Japan, J. Atmos. Solar Terr. Physics, 65, 551-560, 2003. 1-11) Miyasato, R., H. Fukunishi, Y. Takahashi, and M. J. Taylor, Energy estimation of electrons producing sprites halos using array photometer data, J. Atmos. Solar Terr. Physics, 65, 573-581, 2003. 1-12) Kurihara, J., K. –I. Oyama, and Y. Takahashi, Development of a spectrometer to measurethe blue components of sprites, J. Atmos. Solar Terr. Physics, 65, 643-646, 2003. 1-13) Fukunishi, H., Y. Watanabe, A. Uchida, and Y. Takahashi, Spatial and temporal structures of sprites and elves observed by array photometers, Space Weather Study Using Multipoint Techniques, ed. L.-H. Lyu, pp. 283-288, Pergamon, Amsterdam, 2002. 1-14) Takahashi, Y., M. Fujito, Y. Watanabe, H. Fukunishi, and W. A. Lyons, Temporal and spatial variations in the intensity ratio of N2 1st and 2nd positive bands in sprites, Adv. Space Res., 26, 1205-1208, 2000. 1-15) Fukunishi, H., Y. Takahashi, M. Sato, A. Shono, M. Fujito, and Y. Watanabe, Ground-based observations of ULF transients excited by strong lightning discharges producing elves and sprites, Geophys. Res. Lett., 24, 2973-2976, 1997. 1-16) Fukunishi, H., Y. Takahashi, M. Kubota, K. Sakanoi, U.S. Inan, and W.A. Lyons, Elves: Lightning-induced transient luminous events in the lower ionosphere, Geophys. Res. Lett., 23, 2157-2160, 1996 2. Lightning and sprites(satellite observation) 2-1) Yoav Yair, Lior Rubanenko, Keren Mezuman, Gal Elhalel, Meidad Pariente, Maya Glickman-Pariente, Baruch Ziv, Yukihiro Takahashi, Tomohiro Inoue, New color images of transient luminous events from dedicated observations on the International Space Station, J. Atmos. Space Terr. Phys., doi.org/10.1016/j.jastp.2013.05.004, 2013. 2-2)Li-Jou Lee, Sung-Ming Huang, Jung-Kung Chou, Cheng-Ling Kuo, Alfred B. Chen, Han-Tzong Su, Rue-Rou Hsu, Harald U. Frey, Yukihiro Takahashi, Lou-Chuang Lee, Characteristics and generation of secondary jets and secondary gigantic jets, J. Geophys. Res., 117, A6, DOI: 10.1029/2011JA017443, 2012. 2-3) Y. J. Wu, A. B. Chen, H. H. Hsu, J. K. Chou, S. C. Chang, L. J. Lee, Y. J. Lee, H. T. Su, C. L. Kuo, R. R. Hsu, H. U. Frey, S. B. Mende, Y. Takahashi, L. C. Lee, Occurrence of elves and lightning during El Nino and La Nina, Geophys. Res. Lett., 39, DOI: 10.1029/2011GL049831, 2012. 2-4) C. L. Kuo, T.-Y. Huang, S. C. Chang, J. K. Chou, L. J. Lee, Y. J. Wu, A. B. Chen, H. T. Su, R. R. Hsu, H. U. Frey, S. B. Mende, Y. Takahashi, L. C. Lee, Full-kinetic elve model simulations and their comparisons with the ISUAL observed events, J. Gephys. Res., 117, A7, DOI: 10.1029/2012JA017599, 2012. 1 2-5) Ushio, Tomoo; Sato, Mitsuteru; Morimoto, Takeshi; Suzuki, Makoto; Kikuchi, Hiroshi; Yamazaki, Atsushi; Takahashi, Yukihiro; Hobara, Yasuhide; Inan, Umran; Linscott, Ivan; Sakamoto, Yuji; Ishida, Ryohei; Kikuchi, Masayuki; Yoshida, Kazuya; Kawasaki, Zen-Ichiro, The Global Lightning and Sprite Measurement (GLIMS) Mission on International Space Station, IEEJ Transactions on Fundamentals and Materials, Volume 131, Issue 12, pp. 971-976 (2011). 2-6) Sato, Mitsuteru; Takahashi, Yukihiro; Kikuchi, Masayuki; Suzuki, Makoto; Yamazaki, Atsushi; Ushio, Tomoo, Lightning and Sprite Imager (LSI) Onboard JEM-GLIMS, IEEJ Transactions on Fundamentals and Materials, Volume 131, Issue 12, pp. 994-999 (2011), DOI: 10.1541/ieejfms.131.994 2-7) Sato, Mitsuteru; Takahashi, Yukihiro; Suzuki, Makoto; Yamazaki, Atsushi; Ushio, Tomoo, Six-Channel Spectrophotometers (PH) Onboard JEM-GLIMS,IEEJ Transactions on Fundamentals and Materials, Volume 131, Issue 12, pp. 1000-1005 (2011), DOI: 10.1541/ieejfms.131.1000 2-8) C. L. Kuo, S. C. Chang, L. J. Lee, T. Y. Huang, A. B. Chen, H. T. Su, R. R. Hsu, D. D. Sentman, H. U. Frey, S. B. Mende, Y. Takahashi, L. C. Lee, The 762 nm emissions of sprites, J. Geophys. Res., 116, A1, DOI: 10.1029/2010JA015949, 2011. 2-9) Ushio, Tomoo; Sato, Mitsuteru; Morimoto, Takeshi; Suzuki, Makoto; Kikuchi, Hiroshi; Yamazaki, Atsushi; Takahashi, Yukihiro; Hobara, Yasuhide; Inan, Umran; Linscott, Ivan; Sakamoto, Yuji; Ishida, Ryohei; Kikuchi, Masayuki; Yoshida, Kazuya; Kawasaki, Zen-Ichiro, Lightning and Sprite Observation from International Space Station, IEEJ Transactions on Fundamentals and Materials, Volume 131, Issue 1, pp. 16-20 (2011) DOI: 10.1541/ieejfms.131.16. 2-10) Yoshida, Kazuya; Takahashi, Yukihiro; Sakamoto, Yuji; Ujiie, Eriko; Takiuchi, Kei; Nakazato, Yasuhiro; Sawakami, Tomoki; Sakanoi, Takeshi; Kasaba, Yasumasa; Kondo, Satoshi; Yamashita, Kozo; Ueda, Shinya; Takashima, Takeshi; Nakazawa, Kazuhiro; Mitani, Takefumi; Enoto, Teruaki; Sato, Mitsuteru; Inan, Umran; Linscott, Ivan; Bruhn, Fredrik; Masumoto, Yoshinari, SPRITE-SAT: a Micro Satellite for Scientific Observation of Transient Luminous Events and Terrestrial Gamma-Ray Flashes, Transactions of the Japanese Society for Artificial Intelligen ce, Aerospace Technology Japan, Volume 8, pp. Tm_7-Tm_12 (2010). 2-11) Yuji SAKAMOTO, Yasuhiro NAKAZATO, Tomoki SAWAKAMI, Kazuya YOSHIDA, Yukihiro TAKAHASHI, Pre-Flight Analysis, Test Evaluation and Flight Verification of the Thermal System of Tohoku University SPRITE-SAT, TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOG Y JAPAN, Vol. 8 (2010) No. ists27 (ISTS Special Issue: Selected papers from the 27th International Symposium on Space Technology and Science) 2-12) Li-Jou Lee, Alfred B. Chen, Shu-Chun Chang, Cheng-Ling Kuo, Han-Tzong Su, Rue-Rou Hsu, Chun-Chieh Wu, Po-Hsiung Lin, Harald U. Frey, Stephen B. Mende, Yukihiro Takahashi, Lou-Chuang Lee, Controlling synoptic-scale factors for the distribution of transient luminous events, J. Geophys. Res., 115, A8, DOI: 10.1029/2009JA014823, 2010. 2-13) S. C. Chang, C. L. Kuo, L. J. Lee, A. B. Chen, H. T. Su, R. R. Hsu, H. U. Frey, S. B. Mende, Y. Takahashi, L. C. Lee, ISUAL far-ultraviolet events, elves, and lightning current, J. Geophys. Res., 2 115.A7, DOI: 10.1029/2009JA014861, 2010. 2-14) J. K. Chou, C. L. Kuo, L. Y. Tsai, A. B. Chen, H. T. Su, R. R. Hsu, S. A. Cummer, J. Li, H. U. Frey, S. B. Mende, Y. Takahashi, L. C. Lee, Gigantic jets with negative and positive polarity streamers, J. Geophys. Res. 115, A7, DOI: 10.1029/2009JA014831, 2010. 2-15) Y Takahashi, A Yoshida, M Sato, T Adachi, S Kondo, R -R Hsu, H -T Su, A B Chen, S B Mende, H U Frey, and L -C Lee, Absolute optical energy of sprites and its relationship to charge moment of parent lightning discharge based on measurement by ISUAL/AP, 115, A00E55, 8 PP., 2010 doi:10.1029/2009JA014814, 2010. 2-16) Chen, Alfred B., Cheng-Ling Kuo, Yi-Jen Lee, Han-Tzong Su1, Rue-Ron Hsu, Jyh-Long Chern, Harald U. Frey, Stephen B. Mende, Yukihiro Takahashi, Hiroshi Fukunishi6, Yeou-Shin Chang, Tie-Yue Liu and Lou-Chuang Lee, Global distributions and occurrence rates of transient luminous events, , J. Geophys. Res., 2008, 113, A08306, doi:10.1029/2008JA013101. 2-17) Enell, C.-F., E. Arnone, T. Adachi, O. Chanrion, P.T. Verronen, A. Seppala, T. Neubert, T. Ulich, E. Turunen, Y. Takahashi, and R.-R. Hsu, Parameterisation of the chemical effect of sprites in the middle atmosphere, Ann. Geophys., Ann. Geophys., 26, 13–27, 2008 2-18) Cheng-Ling Kuo, J.K. Chou, L.Y. Tsai, A.B. Chen, H.T. Su, R.R. Hsu, S.A. Cummer, H.U. Frey, S.B. Mende, Y. Takahashi, and L.C. Lee, Discharge processes, electric fields and electron energy in ISUAL-recorded gigantic jets, accepted by JGR-A, 2008. 2-19) T. Adachi, Y. Hiraki, K. Yamamoto, Y. Takahashi, H. Fukunishi, R-R. Hsu, H-T. Su, A. B. Chen, S. B. Mende, H. U. Frey and L. C. Lee, Electric field and electron energies in sprites and temporal evolutions of lightning charge moment, J. Phys. D: Appl. Phys. 41 (2008) 234010 (11p), doi:10.1088/0022-3727/41/23/234010 2-20) Frey, H. U., S. B. Mende, S. A. Cummer, J. Li, T. Adachi, H. Fukunishi, Y. Takahashi, A. B. Chen, R.-R. Hsu, H.-T. Su, Y.-S. Chang, Halos generated by negative cloud-to-ground lightning, Geophys. Res. Lett., 34, L18801, doi:10.1029/2007GL030908, 2007. 2-21) Kuo, Cheng-Ling, A.B. Chen, Y.J. Lee, L.Y. Tsai, R.K. Chou, R.R. Hsu, H.T. Su, L.C. Lee, S.A. Cummer, H.U. Frey, S.B. Mende, Y. Takahashi, and H. Fukunishi, Modeling elves observed by FORMOSAT-2 satellite, J. Geophys. Res., 112, A11312, doi:10.1029/2007JA012407, 2007. 2-22) Adachi T., H. Fukunishi, Y. Takahashi, Y. Hiraki, R.-R. Hsu, H.-T. Su, A. B. Chen, S. B. Mende, H. U. Frey, L. C. Lee, Electric field transition between the diffuse and streamer regions of sprites estimated from ISUAL/array photometer measurements, Geophys. Res. Lett., 33, L17803, doi:10.1029/2006GL026495, 2006. 2-23) Mende, S.B., H.U. Frey. R.R. Hsu, H.T. Su, A.B. Chen, L.C. Lee, D.D. Sentman, Y. Takahashi, H. Fukunishi, D region ionization by lightning-induced electromagnetic pulses, J. Geophys. Res., 110, CiteID A11312, 2006. 2-24) Liu, N., V. P. Pasko, D. H. Burkhart, H. U. Frey, S. B. Mende, H. -T. Su, A. B. Chen, R. -R. Hsu, L. C. 3 Lee, H. Fukunishi, and Y. Takahashi, Comparison of results from sprite streamer modeling withspectrophotometric measurements by ISUAL instrument on FORMOSAT-2 satellite, Geophys. Res. Lett., 33, L01101, 10.1029/2005GL024243, 2006. 2-25) Kuo, C.-L., R.R. Hsu, H.T. Su, A.B. Chen, L.C. Lee, S.B. Mende, H.U. Frey, H. Fukunishi, and Y. Takahashi, Electric fields and electron energies inferred from the ISUAL recorded sprites, Geophys. Res. Lett., 32, 2005GL023389RR, 2005. 2-26) Frey, H.U., S.B. Mende, S.A. Cummer, A.B. Chen, R.-R., Hsu, H.-T. Su, Y/-S. Chang, T. Adachi, H. Fukunishi, and Y. Takahashi, Beta-type stepped leader of elve-producing lightning, Geophys. Res. Lett., 32, L13824, 10.1029/2005GL023080, 2005. 2-27) Chern, J. L., R. R. Hsu, H. T. Su, S. B. Mende, H. Fukunishi, Y. Takahahshi, and L. C.Lee, Global survey of upper atmospheric transient luminous events on the ROCSAT-2 satellite, J. Atmos. Solar Terr. Physics, 65, 647-659, 2003. 3. Sun-Erath climate connection 3-1) Y. Takahashi, Y. Okazaki, M. Sato, H. Miyahara, K. Sakanoi, P. K. Hong, and N. Hoshino, 27-day variation in cloud amount in theWestern Pacific warm pool region and relationship to the solar cycle, Atmos. Chem. Phys., 10, 1577–1584, 2010. 4. Planets 4-1) Fernando Simoes, Robert Pfaff, Michel Hamelin, Jeffrey Klenzing, Henry Freudenreich, Christian Boghin, Jean-Jacques Berthelier, Kenneth Brom und, Rejean Grard, Jean-Pierre Lebreton, Steven Martin, Douglas Rowland, Davis Sentman, Yukihiro Takahashi, and Yoav Yair, USING SCHUMANN RESONANCE MEASUREMENTS FOR CONSTRAINING THE WATER ABUNDANCE ON THE GIANT PLANETS — IMPLICATIONS FOR THE SOLAR SYSTEM'S FORMATION, Ap.J., 750 85 doi:10.1088/0004-637X/750/1/85, 2012. 4-2) N. Hoshino, H. Fujiwara, M. Takagi, Y. Takahashi, Y. Kasaba, Characteristics of planetary-scale waves simulated by a new venusian mesosphere and thermosphere general circulation model, Icarus, 217, 818-830, doi.org/10.1016/j.icarus.2011.06.039, 2012. 4-3) M. Nakamura, T. Imamura, N. Ishii, T. Abe, T. Satoh, M. Suzuki, M. Ueno, A. Yamazaki, N. Iwagami, S. Watanabe, M. Taguchi, T. Fukuhara, Y. Takahashi, M. Yamada, N. Hoshino, S. Ohtsuki, K. Uemizu, G. L. Hashimoto, M. Takagi, Y. Matsuda, K. Ogohara, N. Sato, Y. Kasaba, T. Kouyama, N. Hirata, R. Nakamura, Y. Yamamoto, N. Okada, T. Horinouchi, M. Yamamoto, and Y. Hayashi, Overview of Venus orbiter, Akatsuki, Earth Planets Space, 63, 443-457, 2011. 4-4) Yasuhiro SHOJI, Tomoya ONISHI, Steve BATTAZZO, Tomoko TERAGUCHI, Atsushi YOSHIMURA, Yuji SAKAMOTO, Yukihiro TAKAHASHI, Kazuya YOSHIDA, Makoto TAGUCHI3), Highly Precise Pointing Control System on a Balloon-Borne Telescope for Optical 4 Observations of Planets, TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOG Y JAPAN, Vol. 8 (2010) No. ists27 (ISTS Special Issue: Selected papers from the 27th International Symposium on Space Technology and Science) p. Pm_15-Pm_20 4-5) Yoav Yair, Yukihiro Takahashi, Roy Yaniv, Ute Ebert, and Yukihiro Goto, A study of the possibility of sprites in the atmospheres of other planets, J. Geophys. Res., 114, E09002, doi:10.1029/2008JE003311, 2009 4-6) Takahashi, T., J. Yoshida, Y. Yair, T. Imamura, M. Nakamura, Lightning detection by LAC onboard the Japanese Venus Climate Orbiter, Planet-C, Space ci. Rev., 137, 317-334, DOI 10.1007/s11214-008-9400-x, 2008. 4-7) Masato Nakamura, Takeshi Imamura, Munetaka Ueno, Naomoto Iwagami, Takehiko Satoh, Shigeto Watanabe, Makoto Taguchi, Yukihiro Takahashi, Makoto Suzuki, Takumi Abe, George L. Hashimoto, Takeshi Sakanoi, Shoichi Okano, Yasumasa Kasaba, Jun Yoshida, Manabu Yamada, Nobuaki Ishii, Takahiro Yamada, Kazunori Uemizu, Tetsuya Fukuhara, Koh-ichiro Oyama, Planet-C: Venus Climate Orbiter mission of Japan, Planetary and Space Science 55, 1831–1842, 2007. 4-8) Yoshida, J. Y. Takahashi, S. Ueda, M. Tsutsumi, T. Ushio, Lightning and airglow camera for the Venus climate orbiter,Proc. of the 25th International Symposium on Space Technology and Science (ISTS) Selected Papers, 2006. 4-9) Tao, C., R. Kataoka, H. Fukunishi, Y. Takahashi, and T. Yokoyama (2005), Magnetic field disturbances in the Jovian magnetotail induced by solar wind dynamic pressure enhancements, J. Geophys. Res., 4-10)吉田純,高橋幸弘,福西浩(東北大),堤雅基(極地研),牛尾知雄(阪府大)「Venus Climate Orbiter 搭載 雷・大気光カメラの開発」,宇宙航空研究開発機構研究開発報告(JAXA Research and Development Report),2005. 4-11)吉田純、高橋幸弘、金星における雷放電現象、日本惑星科学会誌・遊星人、第 12 巻、第 4 号、p261 - p267 、2003. 4-12) Taguchi, M., H. Fukunishi, S. Watanabe, S. Okano, Y. Takahashi, and T.D. Kawahara, Ultraviolet imaging spectrometer (UVS) experiment on board the NOZOMI spacecraft: Instrumentation and initial results, Earth Planets Space, 52, 49-60, 2000. 4-13) Taguchi, M., G. Funabashi, S. Watanabe, Y. Takahashi, and H. Fukunishi, Lunar Albedo at Hydrogen Lyman by the NOZOMI/UVS, Earth Planets Space, 56,645-647, 2000. 4-14) Fukunishi, H., S. Watanabe, M. Taguchi, S. Okano, and Y. Takahashi, Mars ultraviolet imaging spectrometer experiment on the PLANET-B mission, Adv. Space Res., 23(11), 1903-1906, 1999. 5. Interplanetary/Intersteller wind 5 5-1) Nakagawa, H., , M. Bzowski, A. Yamazaki, H. Fukunishi, S. Watanabe, Y. Takahashi, M. Taguchi, I. Yoshikawa, K. Shiomi, and M. Nakamura, UV optical measurements of the Nozomi spacecraft interpreted with a two-component LIC-flow model, Astronomy & Astrophysics manuscript no. aa9241-07, 200. 5-2) Hiromu Nakagawa, Hiroshi Fukunishi, Shigeto Watanabe, Yukihiro Takahashi, Makoto Taguchi, Rosine Lallement, Latitudinal dependence of the solar 1 wind density derived from remote sensing measurements using interplanetary Lyman α emission from 1999 to 2002, Earth, Planet and Space, 2008. 5-3) Okazaki, Y., H. Fukunishi., Y. Takahashi, M. Taguchi, S. Watanabe, Lyman alpha imaging of solar activity on the interplanetary hydrogen screen for space weather forecasting, J. Geophys. Res., 110, A03104, 03/2005, 2005. 5-4) Nakagawa, H., H. Fukunishi, Y. Takahashi, S. Watanabe, M. Taguchi, J-L. Bertaux, R. Lallement, and E. Quemerais, Solar cycle dependence of interplanetary Lyman a emission and solar wind anisotoropies derived from NOZOMI/UVS and SOHO/SWAN observations, J. Geophys. Res., 108, 8035, 10.1029/2003JA009882, 2001 6. Magonetosphere 6-1) T. Hasunuma, T. Nagatsuma, R. Kataoka, Y. Takahashi, H. Fukunishi, A. Matsuoka, and A. Kumamoto, Statistical study of the polar distribution of small-scale field-aligned currents, J. Geophys.Res., 2008. 6-2) Takahashi, Y., and H. Fukunishi, The dynamics of the proton aurora in auroral breakup events, J. Geophys. Res., 106, 45-63, 2001. 6-3) Takahashi, Y., S. Okano, T. Ono, and H. Fukunishi, Imaging and photometric observations of proton aurora dynamics at Syowa station, Antarctica, Proc. NIPR Symp. Upper Atmos. Phys., 8, 1-6, 1995. 6-4) Fukunishi, H., Y. Takahashi, T. Nagatsuma, T. Mukai, and S. Machida, Latitudinal structures of nightside field-aligned currents and their relationships to the plasma sheet regions, J. Geophys. Res., 98, 11,235-11,255, 1993. 7. Night airglow 7-1) Iwagami, N., T. Shibaki, T. Suzuki, Y. Yamada, H. Onishi, Y. Takahashi, H. Ymamamoto, 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, T. Nakamura, The wave2000 campaign: overvew and preliminary results, J. Atmos. Solar Terr. Physics, 64, 1095-1104, 2002. 7-2) Taylor, M.J., S.H. Seo, T. Nakamura, T. Tsuda, H. Fukunishi, and Y. Takahashi, Long base-line measurements of short period mesospheric gravity waves during the SEEK compaign, Geophys. Res. Lett., 25, 1797-1800, 1998. 7-3) Nakamura, T., T. Tsuda, H. Miyagawa, Y. Matsushita, H. Fukunishi, Y. Takahashi, and Y. Yamada, Propagation directions of gravity wave patterns observed in OH CCD images during the SEEK campaign, Geophys. Res. Lett., 25, 1793-1796, 1998. 7-4) 土岐剛史、高橋幸弘、山田嘉典、福西浩、中村卓司、M. J. Taylor、SEEK キャンペーンにおける OH 大 気光発光層の高度決定、宇宙科学研究所報告(特集) 、第 38 号、83-91、1998. 8. Other 6 8-1) 高橋幸弘、倉本圭、 「学生と若手研究者に対する惑星探査に関するアンケート」結果について、日本惑 星科学会誌・遊星人、9、p33 - p46、日本惑星科学会、2000. Invited/Keynote talks More than 40 invited/keynote talks in international conferences/workshops were made. Representative one are follows: Y. TakahashiO, High frequency / precision disaster monitoring with micro-satellite constellation, UN World Conference on Disaster Risk Reduction 2015, Sendai, Japan, 2015.3. Y. TakahashiO, A Scope of Asian Micro-satellite Consortium, IEEE Workshop on Geoscience and Remote Sensing 2013, Melaka, Malaysia, 2013.11. Y. TakahashiO, Role and Scope of Asian Micro-satellite Consortium, th 34 Asia Conference on Remote Sensing “Applications of remote sensing technology on tropical peatlands”, Bali, Ind onesia, 2013.10. Y. TakahashiO, Y. Sanmiya, M. Sato, T. Kudo, NHK Cosmic Shore Project, Y. Yair, S. A. Cummer, Lifetime and structures of TLEs captured by high-speed camera on board aircraft, American Geophysical Union Fall Meeting, San Francisco, US, 2012.12. Y. TakahashiO, T. Sakanoi, M. Sato, S. Kondo, K. Yoshida, Y. Sakamoto, E. Ujiie, T. Takashima, U. Inan and D. Smith , SPRITE-SAT mission for sprites and TGFs studies, EGU general assembly, Vienna, 2008. Y. TakahashiO, T. Adachi, H. Fukunishi, S. Chikada, A. Yoshida, K. Yamamoto, R-R. Hsu, H-T. Su, A. Chen, S. B. Mende, H. U. Frey, and L-C. Lee, Characteristics of TLEs observed by ISUAL/AP onboard FORMOSAT-2, American Geophysical Union (AGU) 2006 Fall meeting, San Francisco, US, 2006. Y. TakahashiO, T. Adachi, A. Ohkubo, K. Yamamoto, S. Chikada, H. Fukunishi, H. –T. Su, A. B. Chen, R. –R. Hsu, S. B. Mende, H. U. Frey, L. C. Lee, Optical characteristics of elves observed by FORMOSAT-2/ISUAL and properties of parent lightning discharges, International Association of Meteorology and Atmospheric Sciences (IAMAS) 2005 meeting, Beijing, China, 2005. 7