[M-IS06] Biogeochemistry

Sun. May 22, 2016 9:00 AM - 10:30 AM A03 (APA HOTEL&RESORT TOKYO BAY MAKUHARI)

Convener:*Muneoki Yoh(Tokyo University of Agriculture and Technology), Hideaki Shibata(Field Science Center fot Northern Biosphere, Hokkaido University), Naohiko Ohkouchi(Japan Agency for Marine-Earth Science and Technology), Youhei Yamashita(Faculty of Environmental Earth Science, Hokkaido University), Chair:Naohiko Ohkouchi(Japan Agency for Marine-Earth Science and Technology), Tomoya Iwata(Faculty of Life and Environmental Sciences, University of Yamanashi), Urumu Tsunogai(Graduate School of Environmental Studies, Nagoya University)

Biogeochemistry is an interdisciplinary study field including ecology, geochemistry, oceanography, limnology, hydrology, soil science and environmental sciences. Respective researches have tended to be conducted separately so far. This session aims to provide a common platform for biogeochemists of different disciplines, which facilitates the interactive discussion and information exchanges for further development of biogeochemical studies.

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9:00 AM - 9:15 AM

[MIS06-01] Seasonal variations in surface water nitrogen cycle in the western subarctic North Pacific revealed by nitrogen isotope ratios of amino acid from the settling particles

*Chisato Yoshikawa¹, Nanako O. Ogawa¹, Yoshito Chikaraishi¹, Tetsuichi Fujiki¹, Naomi Harada¹, Makio Honda¹, Naohiko Ohkouchi¹ (1.Japan Agency for Marine-Earth Science and Technology)

9:15 AM - 9:30 AM

[MIS06-02] Quantitative and qualitative distribution of fluorescent dissolved organic matter in surface waters throughout the Pacific

*Youhei Yamashita¹, Fuminori Hashihama², Hiroaki Saito³, Hideki Fukuda³, Hiroshi Ogawa³ (1.Faculty of Environmental Earth Science, Hokkaido University, 2.Department of Ocean Sciences, Tokyo University of Marine Science and Technology, 3.Atmospheric and Ocean Research Institute, The University of Tokyo)

9:30 AM - 9:45 AM

[MIS06-03] Influences of carbon and sulfur cycle inside the hypersaline microbial mat on the chemical composition of overlying brine water

*Yuta Isaji¹, Hodaka Kawahata¹, Junichiro Kuroda², Toshihiro Yoshimura¹, Nanako O. Ogawa², Atsushi Suzuki³, Takazo Shibuya², Francis J. Jimenez-Espejo², Stefano Lugli⁴, Vinicio Manzi⁵, Marco Roveri⁵, Naohiko Ohkouchi² (1.Atmosphere and Oceanic Research Institute University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Geological Survey of Japan National Institute of Advanced Industrial Science and Technology, 4.Dipartimento di Scienze Chimiche e Geologiche, Univ. degli Studi di Modena e Reggio Emilia, 5.Physics and Earth Science Dept., Univ. of Parma)

9:45 AM - 10:00 AM

[MIS06-04] Nutrient uptake in river networks controls nitrogen and phosphorus transports along the river-to-ocean continuum

*Tomoya Iwata¹, Syo Ishikawa², Hayato Aoyama² (1.Faculty of Life and Environmental Sciences, University of Yamanashi, 2.Faculty of Engineering, University of Yamanashi)

10:00 AM - 10:15 AM

[MIS06-05] Assessment of watershed scale nitrogen cycling by hydrochemical modeling

*Takeo Onishi¹, Hiroaki Somura², Ken Hiramatsu¹ (1.Faculty of Applied Biological Sciences, Gifu University, 2.Faculty of Life and Environmental Science, Shimane University)

10:15 AM - 10:30 AM

[MIS06-06] Geochemical characteristics of the groundwater in Toyooka basin

*Yoriko Yokoo¹ (1.Faculty of Science and Engineering, Doshisha University)