Satellite and in situ observations of primary production in the northern South China Sea

HAO Qiang; NING Xiu-ren; LIU Cheng-gang; CAI Yu-ming; LE Feng-feng

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HAO Qiang, NING Xiu-ren, LIU Cheng-gang, CAI Yu-ming, LE Feng-feng. Satellite and in situ observations of primary production in the northern South China Sea[J]. Haiyang Xuebao, 2007, 29(3): 58-68.

Citation:

HAO Qiang, NING Xiu-ren, LIU Cheng-gang, CAI Yu-ming, LE Feng-feng. Satellite and in situ observations of primary production in the northern South China Sea[J]. Haiyang Xuebao, 2007, 29(3): 58-68.

HAO Qiang, NING Xiu-ren, LIU Cheng-gang, CAI Yu-ming, LE Feng-feng. Satellite and in situ observations of primary production in the northern South China Sea[J]. Haiyang Xuebao, 2007, 29(3): 58-68.

Citation:

HAO Qiang, NING Xiu-ren, LIU Cheng-gang, CAI Yu-ming, LE Feng-feng. Satellite and in situ observations of primary production in the northern South China Sea[J]. Haiyang Xuebao, 2007, 29(3): 58-68.

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Satellite and in situ observations of primary production in the northern South China Sea

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

Received Date: 2005-07-18
Rev Recd Date: 2006-06-28

Abstract

Abstract

An improved VGPM model were developed and applied to estimate the primary production in the northern South China Sea.The parameters of the model were gained based on the remote sensing data(including Chla,K₄₉₀ and SST et al.) provided by SeaWiFS and AVHRR.The model was modified according to the synchronous ship-measured data and the errors were estimated as well.Based on this improved model,the monthly mean of primary production in 7 years (1998 to 2004) in the northern South China Sea were calculated.Results show that the primary production(C) in the studied area gradually decrease from coastal zone [the mean > 400 mg/(m²·d)] to deep sea [100~200 mg/(m²·d)].With respect to the seasonal variation,the daily average primary production in the whole study area is the highest in winter [608 mg/(m²·d)] and the lowest in summer [292 mg/(m²·d)] and it is almost the same between spring and autumn.The main factors which affect the spatial-temporal distribution of primary production are nutrients,temperature and PAR.,particularly nutrients which driven by monsoon-circulation.
- primary production,
- chlorophyll,
- remote sensing,
- environment control,
- SeaWiFS,
- AVHRR,
- northern South China Sea

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References(23)

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