[J] Oral

A (Atmospheric and Hydrospheric Sciences ) » A-OS Ocean Sciences & Ocean Environment

[A-OS27] Chemical and Biological Oceanography

convener:Kazuhiro Misumi(Environmental Science Research Laboratory, Central Research Institute of Electric Power Industry), Sayaka Yasunaka(Japan Agency for Marine-Earth Science and Technology)

This session invites presentations on a wide variety of topics related to chemical and biological oceanography.

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Cancelled

[AOS27-01] Geographic variation of stable isotope ratio and trace element level to the marine top pradetor in North Western Pacific Ocean

*Nanako Hasegawa¹, Shohgo Kawashima¹, Tatsuya Kunisue², TAKAAKI ITAI¹ (1.Department of Earth and Planetary Science, The University of Tokyo, 2.Center for Marine Environmental Studies, Ehime University )

[AOS27-02] A new SI traceable silicon standard solution for certification of nutrients CRM and measurement of silicate in seawater

*Michio Aoyama^1,2, Chikako Cheong³, Tsutomu Miura³, Takeshi Fujii⁴, Hitoshi Mitsuda⁴, Tomomi Sone⁵, Hiroshi Uchida¹, Akihiko Murata¹ (1.RIGC, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2.Faculty of Life and Environmental Sciences, University of Tsukuba, 3.National Institute of Advanced Industrial Science and Technology (AIST), National Metrological Institute of Japan (NMIJ), 4.Laboratory for Instrumentation and Analysis, KANSO CO., LTD. , 5.MARINE WORKS JAPAN LTD.)

Cancelled

[AOS27-03] Systematic importance of scavenging on cadmium, nickel, zinc, and copper in the North Pacific Ocean observed during ocean-section study of GEOTRACES Japan

Linjie Zheng¹, Tomoharu Minami², Shotaro Takano¹, Tung-Yuan Ho³, *Yoshiki Sohrin¹ (1.Institute for Chemical Research, Kyoto University, 2.Engineering and Technology Department, Kanazawa University, 3.Research Center for Environmental Changes, Academia Sinica, Taiwan)

[AOS27-04] Inter-annual variation of the depth of sub-surface chlorophyll maximum in western North Pacific

*Tsuneo Ono¹, Masachika Masujima¹, Makoto Okazaki¹, Daisuke Ambe¹, Daisuke Hasegawa¹, Hiroaki Kurogi¹ (1.Fisheries Research and Education Agency)

[AOS27-05] Estimation of the origin of freshwater contained in Japan Sea Intermediate water using nutrient as a tracer

*Naohiro Kosugi¹, Nariaki Hirose¹, Takahiro Toyoda¹, Masao Ishii¹ (1.Meteorological Research Institute)

[AOS27-06] Sea water acidified conditions in the regions of scallop aquacultures in Northern Japan

*Ayumi Mori¹, Takeshi Yoshimura², Isao Kudo² (1.Graduate School of Environmental Science, Hokkaido University, 2.Faculty of Fisheries Science, Hokkaido University)