Japan Geoscience Union Meeting 2019

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[J] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS14] Global climate change driven by the Southern Ocean and the Antarctic Ice Sheet

Mon. May 27, 2019 9:00 AM - 10:30 AM Convention Hall B (2F)

convener:Osamu Seki(Institute of Low Temperature Science, Hokkaido University), Akira Oka(Atmosphere and Ocean Research Institute, The University of Tokyo), Ryu Uemura(University of the Ryukyus), Ryosuke Makabe(National Institute of Polar Research), Chairperson:Yuji Kato(Kochi 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.

9:25 AM - 9:40 AM

[MIS14-02] Accurate chronology and climatic reconstruction around MIS 11 (interglacial period ~400,000 years ago) from Dome Fuji ice core, Antarctica

*Kenji Kawamura1,2,3, Ikumi Oyabu1, Shuji Aoki4, Takakiyo Nakazawa4, Ayako Abe-Ouchi5,3, Fuyuki SAITO3 (1.National Institute of Polar Research, Research Organization of Information and Systems, 2.SOKENDAI (The Graduate University of Advanced Studies), 3.JAMSTEC, 4.Tohoku University, 5.University of Tokyo)

9:40 AM - 9:55 AM

[MIS14-03] Study on physics and layers of ice cores containing information of climate change over the past 720 k-years, and study on the "oldest ice"

*Shuji Fujita1,2, Motohiro Hirabayashi1, Iizuka Yoshinori3, Hiroshi Ohno4 (1.National Institute of Polar Research, Research Organization of Information and Systems(ROIS), 2.Department of Polar Science, The Graduate University for Advanced Studies (SOKENDAI), Japan, 3. Institute of Low Temperature Science, Hokkaido University, Japan, 4.Kitami Institute of Technology, Japan)

10:15 AM - 10:30 AM

[MIS14-05] Integrated observations for marine earth science in the Indian sector of the Southern Ocean: Preliminary results of R/V Hakuho-maru KH-19-1 cruise

*Minoru Ikehara1, Kay I. Ohshima2, Takuya Itaki3, Hiroshi Sato4, Masakazu Fujii5, Michiyo Yamamoto-Kawai6, Hiroki Matsui1, Takahito Ikenoue7, . Scientific Party of R/V Hakuho-maru KH-19-1 cruise (1.Center for Advanced Marine Core Research, Kochi University, 2.ILTS, Hokkaido University, 3.GSJ, AIST, 4.Senshu University, 5.National Institute of Polar Research, 6.Tokyo University of Marine Science and Technology, 7.Marine Ecology Research Institute)

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