Analysis of driving factors and distribution of particulate organic carbon in the Huanghai Sea and the East China Sea

JIN Hai-yan; LIN Yi-an; CHEN Jian-fang; JIN Ming-ming

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JIN Hai-yan, LIN Yi-an, CHEN Jian-fang, JIN Ming-ming. Analysis of driving factors and distribution of particulate organic carbon in the Huanghai Sea and the East China Sea[J]. Haiyang Xuebao, 2005, 27(5): 46-53.

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Analysis of driving factors and distribution of particulate organic carbon in the Huanghai Sea and the East China Sea

1.
Key Laboratory for Marine Biogeochemistry and Ecosystem of State Oceanic Administration, Hangzhou 310012, China;Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Institute of Environment and Biogeochemistry, Zhejiang University, Hangzhou 310012, China
2.
Key Laboratory for Marine Biogeochemistry and Ecosystem of State Oceanic Administration, Hangzhou 310012, China;Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2004-11-18
Rev Recd Date: 2005-04-22

Abstract

Abstract

Particulate organic carbon(POC) was studied in the Huanghe Sea and the East China Sea in the spring of 2001.The results show that the concentrations of POC range from 2 to 3.815g/dm³ and strongly correlated with ATP in the euphotic layer.It is indicated that POC in the euphotic layer is primarily of marine biological origin.High value of POC concent ration was found near the shore and the value decreased seaward.The factors that affected POC vertical distributions were different with the location of stations.Near the Changjiang River mouth,being influenced by the concentration of total sespended particulate matter,the concentration of POC is low in the surface layer and high in the bottom layer,while in the shelf area,it was mainly controlled by biological activity and hydrological conditions.Otherwise,in the shelf break of the East China Sea,the vertical distribution of POC was controlled by the charact eristics of the deep ocean water.The diurnal variety of POC was affected by biological activity in the Huanghe Sea,while tide and alternation of water mass together with biological activity affect the diurnal variety of POC near the Chang jiang River mouth and Zhejiang Province in the East China Sea.
- POC,
- distribution,
- influencing factors,
- Huanghe Sea and East China Sea

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References(18)

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