Japan Geoscience Union Meeting 2023

Session information

[J] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-CG Complex & General

[A-CG45] Biogeochemical linkages between the surface ocean and atmosphere

Sun. May 21, 2023 10:45 AM - 12:00 PM 102 (International Conference Hall, Makuhari Messe)

convener:Sohiko Kameyama(Hokkaido University), Yoko Iwamoto(Graduate School of Integrated Sciences for Life, Hiroshima University), Maki Noguchi Aita(Japan Agency for Marine-Earth Science and Technology), Naohiro Kosugi(Meteorological Research Institute), Chairperson:Sohiko Kameyama(Hokkaido University), Yoko Iwamoto(Graduate School of Integrated Sciences for Life, Hiroshima University)

Multi-scale vertical and horizontal ocean mixing processes can strongly influence the distribution of dissolved and suspended substances including macro- and micro-nutrients, and may impact on the global carbon cycles. The changes in nutrient dynamics generally affect the abundance, composition and metabolic activity of marine organisms such as phytoplankton and bacteria during the bloom. Marine phytoplankton can produce volatile organic compounds (VOCs) and marine atmospheric aerosols, which strongly influence on atmospheric chemistry. Primary and secondary organic and inorganic components produced via marine phytoplankton activity can contribute to the Earth's radiative forcing, and in turn marine ecosystems including biogeochemical processes directly or indirectly. Therefore, the biogeochemical cycles have a tight linkage between the ocean and the atmosphere. In order to understand physical, chemical and biological processes relevant to phytoplankton bloom formation in the ocean, dynamics of VOCs and marine aerosols in the atmosphere, and the biogeochemical linkage between the ocean and the atmosphere, we welcome new interdisciplinary presentations and active discussions on physical, chemical, and biological sciences both from ocean and atmospheric fields in this session. Studies linked to the Surface Ocean-Lower Atmosphere Study (SOLAS) project are good examples, but other related studies are also invited.

11:00 AM - 11:15 AM

*Hui Lan1,2, Yusuke Yokoyama1,2,3,4, Shoko Hirabayashi1, Yosuke Miyairi1, Siyu Jiang1, Hiroaki Saito1, Hiroyasu Hasumi1, Ichiro Yasuda1 (1.Atmosphere and Ocean Research Institute, The University of Tokyo, 2.Department of Multi-Disciplinary Sciences, The University of Tokyo, 3.Department of Earth and Planetary Science, Graduate School of Science, The University of Tokyo, 4.Research School of Physics, The Australian National University)

11:45 AM - 12:00 PM

*Kana Nagashima1, Hajime Kawakami2, Koji Sugie1, Fujiki Tetsuichi1, Jun Nishioka3, Yoko Iwamoto4, Toshihiko Takemura5, Takuma Miyakawa1, Fumikazu Taketani1, Maki Noguchi Aita1 (1.Japan Agency for Marine-Earth Science and Technology, Research Institute for Global Change, 2.Japan Agency for Marine-Earth Science and Technology, Research Institute for Value-Added-Information Generation, 3.Hokkaido University, Institute of low temperature sciences, 4.Hiroshima University, Graduate School of Integrated Sciences for Life, 5.Kyushu University, Research Institute for Applied Mechanics)

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