Estimations of primary production and export production in the South China Sea based on sediment trap experiments |
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Authors: | Jianfang Chen Lianfu Zheng M G Wiesner Ronghua Chen Yulong Zheng H K Wong |
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Affiliation: | (1) Second Institute of Oceanography, SOA, 310012 Hangzhou, China;(2) Institute of Biogeochemistry and Marine Chemistry, University of Hamburg, D-20146 Hamburg, Germany |
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Abstract: | The results of time series sediment trap experiments in the South China Sea show that particulate organic carbon (POC) fluxes
are influenced by the monsoons. The increase of productivity in the northern South China Sea is mainly due to northeast monsoon
while in the central South China Sea the influence of southwest monsoon becomes more prominent. The annual primary production
and export production calculated based on POC fluxes are 53.0–63.4 and 10.32–12.93 gC m-2a-1, respectively. The enhancement of POC flux during monsoon period suggest that higher palaeoproductivity or organic carbon
accumulation rate in glacial age in the South Chma Sea might be the result of strengthening of the monsoons. |
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Keywords: | South China Sea POC flux sediment trap primary production export production |
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