日本地球惑星科学連合2018年大会

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[EE] 口頭発表

セッション記号 M (領域外・複数領域) » M-IS ジョイント

[M-IS01] アジア・モンスーンの進化と変動,新生代寒冷化との関連

2018年5月21日(月) 15:30 〜 17:00 201A (幕張メッセ国際会議場 2F)

コンビーナ:山本 正伸(北海道大学大学院地球環境科学研究院)、多田 隆治(東京大学大学院理学系研究科地球惑星科学専攻)、座長:山本 正伸(北海道大学)、多田 隆治(東京大学)、入野 智久、松崎 賢史(東京大学)

Although Asian Monsoon (AM) is a regional phenomenon, it exerts a significant impact on the global climate. Since uplift of Himalaya and Tibetan Plateau (HTP) has been considered to have played a significant role on the establishment and intensification of AM, numerous attempts have been made to prove the linkage between the HTP uplift and AM evolution, but the linkage is largely unproved till now. On the other hand, comparison of global climatic changes, pCO2 reconstructions, and AM evolution process during Cenozoic suggests that AM evolution is significantly affected by global climate changes most likely through pCO2. Thus, importance of the HTP uplift on AM evolution is questioned. However, it should be noted that the effects of the HTP uplift and AM precipitation on chemical weathering, erosion, and CO2 uptake could be acting as feedback loops on AM-HTP uplift linkage.

From July 2013 to November 2016, IODP conducted a series of expeditions such as 346 (Asian Monsoon), 353 (Indian Monsoon Rainfall), 354 (Bengal Fan), 355 (Arabian Monsoon), 356 (Indian through-flow), and 359 (Maldives Monsoon) that are related to AM evolution and its interaction with global climate system in NW Pacific and Indian Ocean regions, and exciting results are gradually coming out. We believe it is timely to start gathering and synthesizing the results of these cruises and update and exchange information and ideas to promote our understanding of AM evolution, variability, their controlling factors, and their interaction with global climate system during the Cenozoic.

16:30 〜 16:45

*高柳 栄子1若木 重行2Irwan Irwan1関根 直紀1De Vleeschouwer David3Groeneveld Jeroen3Bogus Kara4石輪 健樹5佐藤 時幸6Mamo L. Briony7He Yuxin8McHugh M. Cecilia9Reuning Lars10Renema Willem11Christensen A. Beth12Henderiks Jorijntje13Gallagher J. Stephen14Fulthorpe S. Craig15石川 剛志2横山 祐典16井龍 康文1 (1.東北大学、2.海洋研究開発機構、3.ブレーメン大学海洋環境科学センター、4.テキサスA&M大学、5.国立極地研究所、6.秋田大学、7.香港大学、8.浙江大学、9.ニューヨーク市立大学、10.アーヘン工科大学、11.ナチュラリス生物多様性センター、12.アデルファイ大学、13.ウプサラ大学、14.メルボルン大学、15.テキサス大学、16.東京大学)

16:45 〜 17:00

*Cecilia M McHugh1Gabriel Tagliaro2Craig S. Fulthorpe2Michelle Kominz3Jeroen Groeneveld4Yuxin He6Hideko Takayanagi5 (1.School of Earth and Env. Sciences, Queens College City University of New York, USA and Lamont-Doherty Earth Observatory of Columbia University, NY, USA、2.Institute for Geophysics, John A. and Katherine G. Jackson School of Geosciences, The University of Texas at Austin, TX, USA.、3.Department of Geosciences, Western Michigan University, Kalamazoo, MI, USA、4.Faculty of Geosciences, Bremen University, Bremen, Germany、5.Department of Earth Science, Tohoku University, JP、6.School of Earth Sciences, Zhejiang University, Zheijang, China)

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