JpGU-AGU Joint Meeting 2017

Session information

[EE] Oral

M (Multidisciplinary and Interdisciplinary) » M-IS Intersection

[M-IS06] [EE] Evolution and variability of Asian Monsoon and its linkage with Cenozoic global cooling

Tue. May 23, 2017 3:30 PM - 5:00 PM A09 (Tokyo Bay Makuhari Hall)

convener:Ryuji Tada(Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo), Christian Betzler(University of Hamburg), Peter Dominic Clift(Louisiana State University), Chairperson:Peter Clift(Louisiana State University), Chairperson:Kenji Matsuzaki(Department of Earth and Planetary Science, Graduate School of Science, the University of Tokyo)

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.

3:30 PM - 3:45 PM

*Masanobu Yamamoto1, Takafumi Kikuchi1, Hiromichi Sakura1, Ryoma Hayashi2, Osamu Seki3, Takayuki Omari4, Abdullah Sulaiman5, Hasrizal Bin Shaari6, Lurie Melling7 (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Lake Biwa Museum, Japan, 3.Low Temperature Research Institute, Hokkaido University, Japan, 4.The University Museum, The University of Tokyo, Japan, 5.Minerals and Geoscience Department Malaysia, Malaysia, 6.Universiti Malaysia Terengganu, Malaysia, 7.Tropical Peat Research Institute, Malaysia)

4:00 PM - 4:15 PM

*Takuya Sagawa1, Yoshitaka Nagahashi2, Yasufumi Satoguchi6, Takuya Itaki3, Ann Holbourn7, Ken Ikehara3, Tomohisa Irino4, Ryuji Tada5 (1.Institute of Science and Engineering, Kanazawa University, 2.Faculty of Symbiotic Systems Science, Fukushima University, 3.Geological Survey of Japan, AIST, 4.Faculty of Environmental Earth Science, Hokkaido University, 5.Department of Earth and Planetary Science, The University of Tokyo, 6.Lake Biwa Museum, 7.Institute of Geosciences, Christian-Albrechts-University)

4:15 PM - 4:30 PM

*Yoshimi Kubota1, Etsuko Wakisaka2, Steven Clemens3, Ann Holbourn4, Kyung Eun Lee5, Martin Ziegler6, Keiji Horikawa2 (1.National Museum of Nature and Science, 2.University of Toyama, 3.Brown University, 4.Christian-Albrechts University, 5.Korea Maritime and Ocean University, 6.Utrecht University)

4:45 PM - 5:00 PM

*Ryuji Tada1, Ke WANG1, Keita Saito1, Hongbo Zheng6, Yoshiaki Suzuki1, Saiko Sugisaki2, Kana Nagashima5, Masao Uchida7, Tomohisa Irino4, Takeshi Nakagawa8, Yoshimi Kubota3, Katsunori Kimoto5, Takuya Itaki2 (1.Department of Earth and Planetary Science, Graduate School of Science, The Univeristy of Tokyo, 2.Geological Survey of Japan, AIST, 3.National Museum of Nature and Science, 4.Hokkaido University, 5.JAMSTEC, 6.Yunnan University, 7.National Institute for Environmental Studies, 8.Ritsumeikan University)

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