The Eighth Symposium on Polar Science (4 – 8 December 2017)

Interdisciplinary Session
[IW] Whole atmosphere - including activities of JARE phase VIII and IX prioritized projects -
横断セッション [IW] 全大気圏 -南極地域観測第Ⅷ期・第Ⅸ期重点研究観測の活動を含めて-

Scopes

Earth's lower, middle, and upper atmosphere interacts with one another through various kinds of vertical coupling processes induced by waves, physical and chemical processes, and energy input from the sun and magnetosphere. It compelled us to deal with the earth's atmosphere comprehensively, so that a new concept of "whole atmosphere" was recently introduced to the atmospheric research community. In the Antarctic, the first MST (Mesosphere-Stratosphere-Troposphere)/IS (Incoherent Scatter) radar has been operated since 2011 as a part of the JARE (Japanese Antarctic Research Expedition) phase VIII and IX prioritized projects. These projects aim at detecting climate change signals in each layer of the Antarctic atmosphere and exploring vertical coupling processes between these layers through the coordinated observations including the MST/IS radar in the Antarctic. These backgrounds stimulated us to propose this "whole atmosphere" session which extends and develops the previous "middle atmosphere and thermosphere" session. Viewpoints of both aeronomy and meteorology, and related interdisciplinary studies, are essential to understanding a wide altitude region from the troposphere to the thermosphere. This session provides an opportunity to present and discuss observational, theoretical, and modeling studies focusing on a variety of phenomena in each layer or across multiple layers of the earth's atmosphere.
This session will be held jointly with the PANSY workshop (H29 NIPR Symposium).

地球の下層・中層・超高層大気は、各種波動現象や物理・化学過程、さらには太陽や磁気圏からのエネルギー注入によって引き起こされる様々な大気上下結合過程を介して、相互に影響を及ぼしあっている。そのため、地球大気全体を一体的に取り扱う"全大気圏"という概念が近年提唱されている。また、南極観測第Ⅷ期・第Ⅸ期中期計画では、南極域に初めて設置された大型大気レーダーを中心とする幅広い高度領域の拠点同時観測により、南極域の大気各層で進む気候変動の実態を把握し、各層間で引き起こされる大気上下結合過程を解明するための重点研究観測が実施されている。このような背景のもと、第7回極域科学シンポジウムまで実施されてきた"中層大気・熱圏"セッションをさらに拡張・発展させた"全大気圏"セッションを提案する。対流圏から熱圏にまで及ぶ幅広い高度領域での現象を理解するためには、気象学的視点と超高層大気物理学的視点の双方が重要であり、両分野の協力・融合が不可欠である。そこで、本セッションを地球大気各層あるいは全層に及ぶ諸現象を対象とする観測、理論、モデル等を用いた研究の発表・議論の場として位置づける。
本セッションは平成29年度 国立極地研究所 研究集会「PANSY研究集会」との共催により開催されます。

Conveners : Kaoru Sato (U. Tokyo), Takuji Nakamura, Masaki Tsutsumi, Yoshihiro Tomikawa, and Toru Takahashi (NIPR)
Note: [I] represents an invited talk.

Oral presentations (13:00 – 16:30)

Date : Wed. 6 Dec.
Place : 3F Seminar room D304, Institute of Statistics and Mathematics
口頭発表会場:統計数理研究所 3F セミナー室D304

Chair: Yoshihiro Tomikawa (NIPR)
座長:冨川 喜弘(極地研)
13:00 - 13:15 A Study of the Whole Atmospheric System Explored by High-Resolution Observations of the Antarctic Atmosphere (AJ0901) *Kaoru Sato (U Tokyo), Masaki Tsutsumi (NIPR, SOKENDAI), and AJ0901 members
13:15 - 13:30 Characteristics of winter time mesosphere echoes over Syowa in the Antarctic obtained using PANSY and MF radars *Masaki Tsutsumi (NIPR), Kaoru Sato (Graduate School of Science, Univ. of Tokyo), Toru Sato (Communications and Computer Eng., Kyoto Univ)
PANSYレーダーおよびMFレーダーにより南極昭和基地上空で観測された冬期中間圏エコーの性質 堤雅基(極地研)、佐藤薫(東大・理)、佐藤亨(京大・情報学・通信情報システム)
13:30 - 13:45 In-situ generation of gravity waves in the mesosphere and lower thermosphere and its relation with tides *Ryosuke Yasui (Univ. Tokyo), Kaoru Sato (Univ. Tokyo), Yasunobu Miyoshi (Kyushu Univ.)
中間圏および下部熱圏における重力波の発生と潮汐波との関係 *安井良輔(東京大学)、佐藤薫(東京大学)、三好勉信(九州大学)
13:45 - 14:00 Medium-scale gravity wave activity in the bottomside F region in tropical regions *Huixin Liu (Kyushu Univ.), Nick Pedatella (National Center for Atmospheric Research), Klemens Hocke (University of Bern)
14:00 - 14:15 Propagation characteristics of mesospheric gravity waves over Syowa and Davis, the Antarctic, using OH airglow imager and MF radar *Masaru Kogure (SOKENDAI, NIPR), Takuji Nakamura (NIPR, SONKENDAI), Yoshihiro Tomikawa (NIPR, SONKENDAI), Mitsumu K. Ejiri  (NIPR, SONKENDAI), Takanori Nishiyama (NIPR, SONKENDAI), Masaki Tsutsumi (NIPR, SONKENDAI), Michael J. Taylor (USU), Yucheng Zhao (USU), P.-Dominique Pautet (USU), Damian Murphy (AAD)
14:15 - 14:30 Intercomparison of dynamical fields in the middle atmosphere revealed in global reanalyses *Toshihiko Hirooka (Kyushu Univ.), Yoshio Kawatani (JAMSTEC)
14:30 - 14:45 Coffee Break
Chair: Toru Takahashi (NIPR)
座長:高橋 透(極地研)
14:45 - 15:15 [I] Responses of lower thermospheric temperature and NO to the 2013 St. Patrick’s Day geomagnetic storm *Jia Yue (Hampton Univeristy), Xiao Liu (Henan Normal University), Jiyao Xu (Chinese Academy of Sciences), Wenbin Wang (NCAR), Yongliang Zhang (APL), James Russell III (Hampton U), Mark Hervig (GATS), Scott Bailey (VT), Takuji Nakamura (NIPR)
15:15 - 15:30 Possible influence of elevated stratopause events on the lower atmospheric circulation *Shunsuke Noguchi (MRI) , Kohei Yoshida (MRI) , Makoto Deushi (MRI) , Yuhji Kuroda (MRI)
15:30 - 15:45 A latitudinal dependence on the summer tropopause inversion layer and its seasonality *Ryosuke Shibuya, Kaoru Sato (Univ. of Tokyo), William Randel (NCAR)
15:45 - 16:00 Moisterning of the Antarctic upper troposphere via the warm conveyor belt *Yoshihiro Tomikawa (NIPR, Sokendai), Masashi Kohma (U. Tokyo), Masanori Takeda (Tohoku U.), Kaoru Sato (U. Tokyo)
16:00 - 16:15 An Analysis of Gravity Waves in the Troposphere and Lower Stratosphere Observed by the PANSY Radar at Syowa Station in the Antarctic *Yuichi Minamihara (Univ. of Tokyo), Kaoru Sato (Univ. of Tokyo), Masaki Tsutsumi (NIPR), Toru Sato (Kyoto Univ.)
16:15 - 16:30 Seasonal variation of Thorpe scale and energy dissipation rate derived from radiosonde observations at Syowa Station in the Antarctic *Masashi Kohma (Univ. of Tokyo), Kaoru Sato (Univ. of Tokyo), Yoshihiro Tomikawa (NIPR)
*高麗正史(東京大学)、佐藤薫(東京大学)、冨川喜弘(極地研)
16:30 - 18:00 Poster presentations (Core time: 16:30 – 18:00)
Place: Entrance Hall (1 st floor) at National Institute of Polar Research (NIPR)
ポスター発表会場:国立極地研究所1階交流アトリウム

Poster presentations (Core time: 16:30 - 18:00)

Place : Entrance Hall (1st floor) at National Institute of Polar Research (NIPR)
ポスター発表会場:国立極地研究所1階交流アトリウム

IWp1 Statistical investigation on Na layer variation related with auroral activity utilizing Na lidar data obtained at Syowa Station, Antarctic *Ryo Tozu (UEC), Takuo Tsuda (UEC), Takuya Kawahara (Shinshu Univ), Yoshiaki Tanaka (NIPR), Mitsumu Ejiri (NIPR), Takanori Nishiyama (NIPR), Takuji Nakamura (NIPR)
南極昭和基地ライダーデータを用いたオーロラ活動がNa層に与える影響に関する統計的研究 *戸津亮(電気通信大学)、津田卓雄(電気通信大学)、川原琢也(信州大学)、田中良昌(国立極地研究所)、江尻省(国立極地研究所)、西山尚典(国立極地研究所)、中村卓司(国立極地研究所)
IWp2 Chemical model calculations on Na layer variation induced by energetic particle precipitation *Kyogo Takizawa (UEC), Takuo T. Tsuda (UEC)
高エネルギー降下粒子がNa層に与える影響に関する化学モデル計 *滝沢響吾(電通大)、津田卓雄(電通大)
IWp3 Study of mountain waves in middle and upper atmosphere by airglow imaging beside Mt Fuji in Japan *Masahiro Okuda (Meiji univ. ), Hidehiko Suzuki (Meiji univ. ), Satoshi Ishii (Meiji univ. )
大気光イメージング観測による関東平野上空の山岳波の研究 *奥田雅大(明治大)、鈴木秀彦(明治大)、石井智士(明治大) 
IWp4 Stratospheric ozone and nitrogen dioxide profiles observed with spectrometer type balloon-borne optical ozone sensor *Isao Murata (Tohoku Univ.), Katsuyuki Noguchi (Nara Women's Univ.), Andreas Richter (Univ. Bremen), Alexei Rozanov (Univ. Bremen), John P. Burrows (Univ. Bremen)
スペクトル取得型光学オゾンゾンデで観測された成層圏オゾン・二酸化窒素高度分布 *村田功(東北大)、野口克行(奈良女子大)、Andreas Richter(ブレーメン大)、Alexei Rozanov(ブレーメン大)、John P. Burrows(ブレーメン大)
IWp5 A long-term monitoring of the mesospheric column amount of nitric oxide observed with a millimeter-wave spectral radiometer at Syowa station *Tomoo Nagahama (ISEE, Nagoya U.), Akira Mizuno (ISEE, Nagoya U.), Tac Nakajima (ISEE, Nagoya U.), Yasusuke Kojima (ISEE, Nagoya U.), Hirofumi Ohyama (NIES), Mitsumu K. Ejiri (NIPR), Yoshihiro Tomikawa (NIPR), Masaki Tsutsumi (NIPR), Takuji Nakamura (NIPR)
昭和基地ミリ波放射分光装置による中間圏一酸化窒素カラム量の長期変動観測 *長濱智生(名大ISEE)、水野 亮(名大ISEE)、中島 拓(名大ISEE)、児島康介(名大ISEE)、大山博史(国立環境研)、江尻 省(極地研)、冨川喜弘(極地研)、堤 雅基(極地研)、中村卓司(極地研)