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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/25345

Title: Transport of the South China Sea subsurface water outflow and its influence on carbon chemistry of Kuroshio waters off southeastern Taiwan
Authors: Wen-Chen Chou;David D. Sheu;C. T. Arthur Chen;Liang-Saw Wen;Yih Yang;Ching-Ling Wei
Contributors: NTOU:Institute of Marine Environmental Chemistry and Ecology
國立臺灣海洋大學:海洋環境化學與生態研究所
Keywords: carbon chemistry;South China Sea;Kuroshio
Date: 2007
Issue Date: 2011-10-20T08:22:20Z
Publisher: JOURNAL OF GEOPHYSICAL RESEARCH
Abstract: abstract:Depth distributions of pH, dissolved oxygen, dissolved inorganic carbon (DIC), total alkalinity (TA), and δ13CDIC in the water column across the Luzon Strait from the South China Sea to the west Philippine Sea were investigated thoroughly to attest whether the South China Sea subsurface water outflow could act like a “shelf pump” to export the carbon from the interior of the South China Sea into the open Pacific. Results show that the outflow is capable of transporting 17.6 ± 9.0 Tg C a−1 in DIC form out from the South China Sea to the western Pacific, a quantity equivalent to ~35 ± 18% of the annual export production of the entire South China Sea. Furthermore, owing to the input of this South China Sea outflow, the subsurface waters of the Kuroshio Current become enriched in DIC/TA ratio but depleted in δ13CDIC. Such a change in seawater carbon chemistry might further attenuate the capacity of CO2 sequestration and hamper the use of δ13CDIC data as a tracer to estimate anthropogenic CO2 uptake rate in seawaters around the Kuroshio main path. More importantly, since these modifications can make all their ways northward along with the Kuroshio Current, the effect may reach even as far as to the higher-latitude region in the northwestern Pacific.
Relation: 112(C12)
URI: http://ntour.ntou.edu.tw/handle/987654321/25345
Appears in Collections:[海洋環境與生態研究所] 期刊論文

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