Interannual variability of the high chlorophyll <em>a</em> concentration strip in the western South China Sea during summer

Gu Yuanyuan; Wang Jing; Chu Xiaoqing; Cheng Xuhua

doi:10.3969/j.issn.0253-4193.2017.06.001

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Gu Yuanyuan, Wang Jing, Chu Xiaoqing, Cheng Xuhua. Interannual variability of the high chlorophyll a concentration strip in the western South China Sea during summer[J]. Haiyang Xuebao, 2017, 39(6): 1-9. doi: 10.3969/j.issn.0253-4193.2017.06.001

Citation:

Gu Yuanyuan, Wang Jing, Chu Xiaoqing, Cheng Xuhua. Interannual variability of the high chlorophyll a concentration strip in the western South China Sea during summer[J]. Haiyang Xuebao, 2017, 39(6): 1-9. doi: 10.3969/j.issn.0253-4193.2017.06.001

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Interannual variability of the high chlorophyll a concentration strip in the western South China Sea during summer

doi: 10.3969/j.issn.0253-4193.2017.06.001

1.
Guangdong Key Laboratory for Urbanization and Geo-simulation, School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China;State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China
2.
Guangdong Key Laboratory for Urbanization and Geo-simulation, School of Geography and Planning, Sun Yat-sen University, Guangzhou 510275, China
3.
State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China

Received Date: 2016-06-27
Rev Recd Date: 2017-03-10

Abstract

Abstract

Based on the SeaWiFS and MODIS chlorophyll a (Chl a) concentration data from 1998 to 2013, the interannual variability of the high Chl a concentration strip in the western South China Sea(SCS) during summer is investigated. In summer,under the effect of the eastward current, the Chl a and the nutrients are advected offshore into the open SCS, which contributes to forming the high Chl a concentration strip, whose distribution pattern seems in accord with the direction of the eastward current. Our analysis shows that in the study region,monsoon in the south of 13°N plays a significant role in determining the distribution of the chlorophyll with 1 week delay, and the interannual variability of wind anomaly results in the variability of the high chlorophyll concentration strip. When the area is controlled by anomalous northeast (southwest) monsoon, the strip moves northward (southward).
- chlorophyll,
- the high Chl a concentration strip,
- interannual variability,
- wind

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References(31)

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