Tue. May 22, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Poster
| P (Space and Planetary Sciences)
| P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM10] Coupling Processes in the Atmosphere-Ionosphere System

[PEM10-P10] Effects of horizontal wind structure on the gravity wave activity in the upper stratosphere over Syowa

*Masaru Kogure^1,2, Takuji Nakamura^2,1, Mitsumu K. Ejiri^2,1, Takanori Nishiyama^2,1, Yoshihiro Tomikawa^2,1, Masaki Tsutsumi^2,1 (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research)

[PEM10-P11] Different propagation characteristics of gravity waves in the mesosphere and lower thermosphere over Syowa and Davis, the Antarctic, using OH airglow imagers and MF radars

*Masaru Kogure^1,2, Takuji Nakamura^2,1, Yoshihiro Tomikawa^2,1, Mitsumu K. Ejiri^2,1, Takanori Nishiyama^2,1, Masaki Tsutsumi^2,1, Michael J. Taylor³, Yucheng Zhao³, P.-Dominique Pautet³, Damian Murphy⁴ (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research, 3.Physics Department, Utah State University, 4.Australian Antarctic Division)

[PEM10-P12] Development of a Phase Velocity Spectral Analysis Software Package (M-Transform) for Airglow Imaging Data

*Septi Perwitasari^1,3, Takuji Nakamura^1,2, Masaru Kogure^2,1, Masaki Tsutsumi^1,2, Yoshihiro Tomikawa^1,2, Mitsumu K. Ejiri^1,2 (1.Space and Upper Atmospheric Sciences Group, National Institute of Polar Research, 2.Department of Polar Science, SOKENDAI , 3.National Institute of Aeronautics and Space (LAPAN) Indonesia)

Tue. May 22, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Evening Poster
| P (Space and Planetary Sciences)
| P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM10] Coupling Processes in the Atmosphere-Ionosphere System

[PEM10-P10] Effects of horizontal wind structure on the gravity wave activity in the upper stratosphere over Syowa

*Masaru Kogure^1,2, Takuji Nakamura^2,1, Mitsumu K. Ejiri^2,1, Takanori Nishiyama^2,1, Yoshihiro Tomikawa^2,1, Masaki Tsutsumi^2,1 (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research)

[PEM10-P11] Different propagation characteristics of gravity waves in the mesosphere and lower thermosphere over Syowa and Davis, the Antarctic, using OH airglow imagers and MF radars

*Masaru Kogure^1,2, Takuji Nakamura^2,1, Yoshihiro Tomikawa^2,1, Mitsumu K. Ejiri^2,1, Takanori Nishiyama^2,1, Masaki Tsutsumi^2,1, Michael J. Taylor³, Yucheng Zhao³, P.-Dominique Pautet³, Damian Murphy⁴ (1.The Graduate University for Advanced Studies, 2.National Institute of Polar Research, 3.Physics Department, Utah State University, 4.Australian Antarctic Division)

[PEM10-P12] Development of a Phase Velocity Spectral Analysis Software Package (M-Transform) for Airglow Imaging Data

*Septi Perwitasari^1,3, Takuji Nakamura^1,2, Masaru Kogure^2,1, Masaki Tsutsumi^1,2, Yoshihiro Tomikawa^1,2, Mitsumu K. Ejiri^1,2 (1.Space and Upper Atmospheric Sciences Group, National Institute of Polar Research, 2.Department of Polar Science, SOKENDAI , 3.National Institute of Aeronautics and Space (LAPAN) Indonesia)

Thu. May 24, 2018 10:45 AM - 12:15 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Poster
| P (Space and Planetary Sciences)
| P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM12] Space Weather, Space Climate, and VarSITI

[PEM12-P20] Response of the middle atmosphere in the southern hemisphere to energetic particle precipitation in the latest reanalysis data

*Yoshihiro Tomikawa¹ (1.National Institute of Polar Research)

Thu. May 24, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[EE] Evening Poster
| P (Space and Planetary Sciences)
| P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM12] Space Weather, Space Climate, and VarSITI

[PEM12-P20] Response of the middle atmosphere in the southern hemisphere to energetic particle precipitation in the latest reanalysis data

*Yoshihiro Tomikawa¹ (1.National Institute of Polar Research)

Sun. May 20, 2018 10:45 AM - 12:15 PM 304 (3F International Conference Hall, Makuhari Messe)

[EE] Oral
| P (Space and Planetary Sciences)
| P-EM Solar-Terrestrial Sciences, Space Electromagnetism & Space Environment

[P-EM13] Study of coupling processes in solar-terrestrial system

11:30 AM - 11:45 AM

[PEM13-08] Temperature variations in the D- and E-region polar ionosphere during stratospheric sudden Warming

*Yasunobu Ogawa¹, Satonori Nozawa², Masaki Tsutsumi¹, Yoshihiro Tomikawa¹, Chris Hall⁴, Ingemar Haggstrom ³ (1.National Institute of Polar Research, 2.ISEE, Nagoya University, 3.EISCAT HQ, 4.UiT The Arctic University of Norway)

Wed. May 23, 2018 3:30 PM - 5:00 PM A05 (Tokyo Bay Makuhari Hall)

[EJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS06] Atmospheric Chemistry

3:30 PM - 3:45 PM

[AAS06-01] Temporal evolution of chlorine and related species observed with Aura/MLS, Envisat/MIPAS, and ground-based FTIR at Syowa Station, Antarctica during late winter and spring in 2007 and 2011

*Hideaki Nakajima¹, Isao Murata², Yoshihiro Nagahama¹, Hideharu Akiyoshi¹, Masanori Takeda², Yoshihiro Tomikawa^3,4, Nicholas B Jones⁵ (1.National Institute for Environmental Studies, 2.Graduate School of Environmental Studies, Tohoku University, 3.National Institute of Polar Research, 4.The Graduate University for Advanced Studies, 5.University of Wollongong)

Wed. May 23, 2018 1:45 PM - 3:15 PM A07 (Tokyo Bay Makuhari Hall)

[JJ] Oral
| A (Atmospheric and Hydrospheric Sciences)
| A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS07] Stratosphere-troposphere Processes And their Role in Climate

3:00 PM - 3:15 PM

[AAS07-18] On the extremely strong sudden stratospheric warming event in the Arctic in February 2018

*Kaoru Sato¹, Nakajima Shun¹, Ryosuke Yasui¹, Yoshihiro Tomikawa², Shingo Watanabe³, Toshihiko Hirooka⁴ (1.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 2.National Institute of Polar Research, 3.Japan Agency for Marine-Earth Science and Technology, 4.Department of Earth and Planetary Sciences Faculty of Sciences, Kyushu University)

Wed. May 23, 2018 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Poster
| A (Atmospheric and Hydrospheric Sciences)
| A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS07] Stratosphere-troposphere Processes And their Role in Climate

[AAS07-P05] Seasonal variation of Thorpe scale and energy dissipation rate derived from radiosonde observations at Syowa Station in the Antarctic

*Masashi Kohma¹, Kaoru Sato¹, Yoshihiro Tomikawa², Koji Nishimura², Toru Sato³ (1.Department of Earth and Planet Science, Graduate School of Science, The University of Tokyo, 2.National Institute of Polar Research, 3.Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University)

[AAS07-P06] Super-pressure balloon observation of gravity waves over the Antarctic

*Yoshihiro Tomikawa^1,2, Kaoru Sato³, Yoshitaka Saito⁴, Isao Murata⁵, Naohiko Hirasawa^1,2, Masashi Kohma³ (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University for Advanced Studies), 3.The University of Tokyo, 4.JAXA/ISAS, 5.Tohoku University)

Wed. May 23, 2018 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall7, Makuhari Messe)

[JJ] Evening Poster
| A (Atmospheric and Hydrospheric Sciences)
| A-AS Atmospheric Sciences, Meteorology & Atmospheric Environment

[A-AS07] Stratosphere-troposphere Processes And their Role in Climate

[AAS07-P05] Seasonal variation of Thorpe scale and energy dissipation rate derived from radiosonde observations at Syowa Station in the Antarctic

*Masashi Kohma¹, Kaoru Sato¹, Yoshihiro Tomikawa², Koji Nishimura², Toru Sato³ (1.Department of Earth and Planet Science, Graduate School of Science, The University of Tokyo, 2.National Institute of Polar Research, 3.Department of Communications and Computer Engineering, Graduate School of Informatics, Kyoto University)

[AAS07-P06] Super-pressure balloon observation of gravity waves over the Antarctic

*Yoshihiro Tomikawa^1,2, Kaoru Sato³, Yoshitaka Saito⁴, Isao Murata⁵, Naohiko Hirasawa^1,2, Masashi Kohma³ (1.National Institute of Polar Research, 2.SOKENDAI (The Graduate University for Advanced Studies), 3.The University of Tokyo, 4.JAXA/ISAS, 5.Tohoku University)

Yoshihiro Tomikawa

Speaker, Author, Co-Author