JpGU-AGU Joint Meeting 2026

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[E] ポスター発表

セッション記号 P (宇宙惑星科学) » P-PS 惑星科学

[P-PS08] Science of Venus in the post-VEx/Akatsuki era

2026年5月29日(金) 17:15 〜 19:00 ポスター会場 (幕張メッセ国際展示場 7・8ホール)

On 18 September 2025, the Akatsuki team transmitted the "termination of telecommunication" command to the spacecraft, thereby officially ending the operation of Akatsuki which has been and still is in the Venus' orbit since December 2015. ESA's Venus Express (in orbit from April 2006 till December 2014) and Akatsuki together had greatly advanced our knowledge about the Venusian atmosphere, with the focus of VEx being primarily chemistry and Akatsuki's focus being almost exclusively dynamics. The planetary science community in the world gained a strong momentum to further investigate Earth's twin sister: Two of the upcoming three Venus missions, NASA's VERITAS and ESA's EnVision, are more focused on the geology, interior and evolution of the solid body with the synthetic aperture radar and other tools. Another NASA mission DAVINCI will sense both the atmosphere and the surface by a descent probe. Other recent developments include the approval of the Venus Orbiter Mission (VOM) by the Indian government; the upgrade of Chinese VOICE mission to a Venus sample return mission, and announcement of the first private sector Venus mission, Venus Life Finder.
This momentum is driven by the analytical studies based on all previous Venus missions, numerical simulations (recently with data assimilation), ground-based observations, as well as laboratory experiments. This session will therefore cover all aspects of Venus science, derived observationally or theoretically, from its interior over the surface and atmosphere to the surrounding plasma environment and including possible implications for exoplanets. Contributions at all levels, from early-career researchers to experts, are all welcome.

17:15 〜 19:00

[PPS08-P05] Concept study for Korea’s future Venus exploration to understand the three-dimensional structures of the variable atmosphere

*Yeon Joo Lee1, Zizung Yoon2,1, Hyeonjun Kim 3, Sujin Choi 4, Jinsung Lee 5, Gwanghyeok Ju 6, Youngho Eun 6, Jaewook Jaewook 3, Jaehueng Park 7, Hyochoong Bang 5, Jae-Hung Han 5, Taeho Kim 8, Young-Joo Song 9, Hyeonju Kang1,6, Taekhyun Kim2,1, Dongho You1,5, Changmin Lee2,1, Chanhee Jong2,1, Nicolas Streel1, Jaeboem Kim 10, Hyeonwoo Kang 10, Kyungin Kang 10 (1. Planetary Atmospheres Group (PAG), Institute for Basic Science (IBS), Daejeon, S. Korea, 2. Korea Aerospace University, Goyang, S. Korea , 3. Korea Aerospace Research Institute (KARI), Daejeon, S. Korea, 4. Korea University of Technology and Education, Cheonan, S. Korea, 5. Korea Advanced Institute of Science and Technology (KAIST), Daejeon, S. Korea, 6. Yonsei Univ., Seoul, S. Korea, 7. Korea Astronomy and Space Science Institute (KASI), Daejeon, S. Korea, 8. Electronics and Telecommunications Research Institute (ETRI), Daejeon, S. Korea, 9. Kyung Hee Univ., S. Korea, 10. Korea AeroSpace Administration (KASA), Sacheon, S. Korea)

17:15 〜 19:00

[PPS08-P09] Variability of Venusian Polar Tropopause Studied by Radio Occultation and Venus SCALE-GM

*杉浦 美優1、樫村 博基2、今村 剛1、安藤 紘基3、Bernd Häusler4、Martin Pätzold5、Silvia Tellmann5 (1. 東京大学大学院　新領域創成科学研究科 複雑理工学専攻、2. 神戸大学 大学院理学研究科 惑星学専攻、3. 京都産業大学 理学部 宇宙物理・気象学科、4. Institut für Raumfahrttechnik, Universität der Bundeswehr München, Neubiberg, Germany、5. Rheinisches Institut für Umweltforschung, Planetenforschung, Cologne, Germany)

17:15 〜 19:00

[PPS08-P11] Long Term Variability of Super-Rotation Reproduced by Akatsuki Horizontal Wind Assimilation

★Invited Papers

*藤澤 由貴子1、杉本 憲彦1、小守 信正1、村上 真也2、安藤 紘基3、高木 征弘3、今村 剛4、堀之内 武5、はしもと じょーじ6、石渡 正樹5、榎本 剛7、三好 建正8、樫村 博基6、林 祥介6 (1. 慶應義塾大学、2. 宇宙航空研究開発機構、3. 京都産業大学、4. 東京大学、5. 北海道大学、6. 神戸大学、7. 京都大学、8. 理化学研究所計算科学研究センター)

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