Japan Geoscience Union Meeting 2018

Session information

[JJ] Oral

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

[A-CG41] Biogeochemical linkages between the ocean and the atmosphere during phytoplankton blooms

Tue. May 22, 2018 1:45 PM - 3:15 PM 106 (1F International Conference Hall, Makuhari Messe)

convener:Yuzo Miyazaki(Institute of Low Temperature Science, Hokkaido University), Jun Nishioka(Hokkaido University, Institute of low temperature sciences), Koji Suzuki(北海道大学, 共同), Yoko Iwamoto(Graduate School of Biosphere Science, Hiroshima University), Chairperson:Miyazaki Yuzo(Institute of low temperature science, Hokkaido 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 phytoplankton bloom formation. 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.

2:00 PM - 2:15 PM

*Akinori Ito1, Stelios Myriokefalitakis2, Maria Kanakidou3, Natalie Mahowald4, Rachel A. Scanza4, Douglas Hamilton4, Alex Baker5, Tim Jickells5, Manmohan Sarin6, Bikkina Srinivas7, Yuan Gao8, Rachel Shelley9, Clifton Buck10, William Landing9, Andrew Bowie11, Morgane Perron11, Thibaut Wagener12, Cecile Guieu12, Nicholas Meskhidze13, Matthew Johnson14, Yan Feng15, Robert Duce16 (1.Japan Agency for Marine-Earth Science and Technology, 2.Utrecht University, 3.Univ. of Crete, 4.Cornell Univ., 5.Univ. of East Anglia, 6.Physical Research Laboratory, 7.Stockholm Univ., 8.Rutgers Univ., 9.Florida State Univ., 10.Univ. of Georgia, 11.Univ. of Tasmania, 12.Laboratoire d'Océanographie de Villefranche, 13.North Carolina State Univ., 14.Ames Research Center, 15.Argonne National Laboratory, 16.Texas AM Univ.)

2:30 PM - 2:45 PM

*Fumikazu Taketani1, Maki Noguchi Aita1, Kazuyo Yamaji1,2, Takashi Sekiya1, Kohei Ikeda3,1, Kosei Sasaoka1, Taketo Hashioka1, Makio Honda1, Kazuhiko Matsumoto1, Yugo Kanaya1 (1.Japan Agency for Marine-Earth Science and Technology, 2.Kobe Univ., 3.National Institute for Environmental Studies)



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