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学科主题: Oceanography
题名: Chlorophyll a increase induced by surface winds in the northern South China Sea
作者: Gao, S ; Wang, H ; Liu, GM ; Huang, LM ; Song, XY
通讯作者: gaoshan_shining@163.com
关键词: South China Sea ; phytoplankton bloom ; chlorophyll a ; surface wind ; vertical mixing and upwelling
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2012-01-01
卷: 31, 期:4, 页:76-88
部门归属: [Gao Shan] Ocean Univ China, Coll Environm Sci & Engn, Qingdao 266100, Peoples R China; [Gao Shan; Wang Hui; Liu Guimei] State Ocean Adm, Natl Marine Environm Forecasting Ctr, Beijing 100081, Peoples R China; [Huang Liangmin; Song Xingyu] State Key Lab Oceanog Trop, Guangzhou 510301, Guangdong, Peoples R China; [Huang Liangmin; Song Xingyu] Chinese Acad Sci, Key Lab Marine, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LMB
摘要: The response of chlorophyll a (Chl a) concentration to wind stress is analyzed in the South China Sea (SCS), using in-situ data of Chl a and remote sensing data (QuikScat-sea surface wind (SSW), AVHRR-sea surface temperature (SST), AVISO merged-sea level anomalies (SLA), SeaWiFS-derived Chl a and MODIS Terra-derived Chl a) in August/September/October 2004, 2006 and 2009. The variability of SSW, SST and SLA 7 d before in-situ Chl a sampling (including the work day of in-situ Chl a sampling) with the same latitude and longitude of the study area are investigated, and the correlation coefficients are calculated between these hydrographic factors and in-situ Chl a concentration. The results show that the Chl a-SSW correlation coefficients at upper layers (such as 0 m and 25 in) are more significant than those at deeper layers (such as 50, 75 and 100 m) 1-3 d before, which indicates that there is a time lag of strong surface winds stimulating phytoplankton bloom. By analyzing the relationship among the daily remote sensing derived (RS-derived) SSW, SST, SLA and 3 d averaged SeaWiFS/MODIS-derived Chl a concentration in the northern SCS in September 2004 and 2009 respectively, it shows that the intensity and speed of surface winds could have great influence on extend of Chl a increase. If surface winds reach 4-5 m/s over, Chl a concentration would increase 1-3 d after the process of strong surface winds in open sea area of the northern SCS mainly during September.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/9866
Appears in Collections:中科院海洋生物资源可持续利用重点实验室_期刊论文

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Recommended Citation:
Gao, S; Wang, H; Liu, GM; Huang, LM; Song, XY.Chlorophyll a increase induced by surface winds in the northern South China Sea,ACTA OCEANOLOGICA SINICA,2012,31(4):76-88
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