Japan Geoscience Union Meeting 2023

Session information

[J] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS08] Global climate change driven by the Southern Ocean and the Antarctic Ice Sheet

Fri. May 26, 2023 9:00 AM - 10:30 AM 103 (International Conference Hall, Makuhari Messe)

convener:Kazuya Kusahara(Japan Agency for Marine-Earth Science and Technology), Masahiro Minowa(Institute of Low Temperature Science, Hokkaido University), Yoshifumi Nogi(National Institute of Polar Research), Osamu Seki(Institute of Low Temperature Science, Hokkaido University), Chairperson:Osamu Seki(Institute of Low Temperature Science, Hokkaido University)

The Southern Ocean and Antarctic ice sheet, which are the giant reservoirs of heat, water, and materials, have a potential to play central roles in long-term global climate change. This system is composed of the following sub-systems; ice shelf which is a place of the interaction of ice sheet and ocean, flowing iceberg, seasonal sea ice zone, Antarctic bottom water which drives the thermohaline circulation, active biological production and Antarctic Circumpolar Current. These sub-systems are interacted with each other and have significant impact on changes in the global environmental system. This session aim to summarize recent observational and simulation studies from various fields relating to the past and present changes in the Antarctic Ice sheet and Southern Ocean, which are essential elements for unraveling the changes in the global climate system. Further, future science plans for understanding of the environmental changes of the Antarctic Cryosphere is also discussed.

9:00 AM - 9:15 AM

*Ikumi Oyabu1, Kenji Kawamura1,2,3, Shuji Fujita1,2, Ryo Inoue2, Hideaki Motoyama1,2, Kotaro Fukui4, Motohiro Hirabayashi1, Hoshina Yu5, Naoyuki Kurita5, Fumio Nakazawa1,2, Hiroshi Ohno6, Konosuke Sugiura7, Toshitaka Suzuki8, Shun Tsutaki1,2, Ayako Abe-Ouchi9, Masashi Niwano10, Frédéric Parrenin11, Fuyuki SAITO3, Masakazu Yoshimori9 (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.The Graduate University for Advanced Studies, SOKENDAI, 3.Japan Agency for Marine Science and Technology, 4.Tateyama Caldera Sabo Museum, 5.Nagoya University, 6.Kitami Institute of Technology, 7.University of Toyama, 8.Yamagata University, 9.Atmosphere and Ocean Research Institute, The University of Tokyo, 10.Meteorological Research Institute, Japan Meteorological Agency, 11.Institut des Géosciences de l'Environnement, Université Grenoble Alpes)

10:00 AM - 10:15 AM

*Yusuke Suganuma1,2, Moto Kawamata3, Kazuya Kusahara5, Nathaniel A Lifton6, Takeshige Ishiwa1,2, Kota Katsuki4, Masakazu Fujii1,2, Motohiro Hirabayashi1, Jun'ichi Okuno1,2 (1.National institute of Polar Research, 2.The Graduate University for Advanced Studies (SOKENDAI), 3.Civil Engineering Research Institute for Cold Region, 4.Shimane University, 5.JAMSTEC, 6.Department of Earth, Atmospheric, and Planetary Sciences, Purdue University)

10:15 AM - 10:30 AM

*Takashi Obase1, Ayako Abe-Ouchi1,2, Fuyuki SAITO3, Shun Tsutaki2,4, Shuji Fujita2,4, Kenji Kawamura2,3,4, Hideaki motoyama2,4 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.National Institute of Polar Research, Research Organization of Information and Systems, 3.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 4.The Graduate University for Advanced Studies, SOKENDAI)

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