JpGU-AGU Joint Meeting 2017

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[JJ] Poster

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

[A-OS23] [JJ] Chemical Oceanography

Sat. May 20, 2017 3:30 PM - 5:00 PM Poster Hall (International Exhibition Hall HALL7)

convener:Michiyo Yamamoto-kawai(Graduate School of Marine Science and Technology, Tokyo University of Marine Science and Technology), Daiki Nomura(Faculty of Fisheries Sciences, Hokkaido University), Takeshi Yoshimura(Central Research Institute of Electric Power Industry)

[AOS23-P03] Stable nitrogen isotopic composition (δ15N) of dissolved organic nitrogen (DON) in the South China Sea

*Run Zhang1 (1.Xiamen University)

Keywords:South China Sea, δ15N, DON

Dissolved organic nitrogen (DON) represents an essential N pool, and its stable isotopic composition (δ15N) may provide unique insights into marine N cycle. However, few results of DON δ15N have been reported to date in the global ocean. In this study, we will report DON δ15N values in the upper layer waters of the South China Sea (SCS), which is the largest marginal sea west of the Pacific Ocean.