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学科主题: Oceanography
题名: Influence of mesoscale eddies on primary production in the South China Sea during spring inter-monsoon period
作者: Hu, ZF ; Tan, YH ; Song, XY ; Zhou, LB ; Lian, XP ; Huang, LM ; He, YH
通讯作者: songxy@scsio.ac.cn
关键词: mesoscale eddies ; chlorophyll a ; primary production ; vertically generalized production model ; remote sensing ; South China Sea
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2014
卷: 33, 期:3, 页:118-128
收录类别: sci
部门归属: [Hu Zifeng ; Tan Yehui ; Song Xingyu ; Zhou Linbin ; Lian Xiping ; Huang Liangmin] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marine Bioresources Sustainable Utilizat, Guangzhou 510301, Guangdong, Peoples R China ; [He Yinghui] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanol LTO, Guangzhou 510301, Guangdong, Peoples R China ; [Hu Zifeng] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Song Xingyu] Chinese Acad Sci, Marine Biol Res Stn Daya Bay, Shenzhen 518121, Peoples R China
项目归属: LTO
资助者: CAS Strategic Pilot Science and Technology of China [XDA11020205, XDA05030403]; National Project of Basic Sciences and Technology of China [2012FY112400, 2013FY111200]; National Natural Science Foundation of China [41276162, 41130855, 41276161, 40906057]; Natural Science Foundation of Guangdong Province of China [S2011040000151]
摘要: Mesoscale eddies have been suggested to have an impact on biological carbon fixation in the South China Sea (SCS). However, their overall contribution to primary production during the spring inter-monsoon period is still unknown. Based on large-scale biological and environmental in situ observations and synchronous remote sensing data, the distribution patterns of phytoplankton biomass and the primary production, and the role of mesoscale eddies in regulating primary production in different eddy-controlled waters were investigated. The results suggested that the surface chlorophyll a concentrations and water column integrated primary production (IPP) are significantly higher in cyclonic eddies and lower in the anticyclonic eddies as compared to that in non-eddy waters. Although eddies could affect various environmental factors, such as nutrients, temperature and light availability, nutrient supply is suggested to be the most important one through which mesoscale eddies regulated the distribution patterns of phytoplankton biomass and primary production. The estimated IPP in cyclonic and anticyclonic eddies are about 29.5% higher and 16.6% lower than the total average in the whole study area, respectively, indicating that the promotion effect of mesoscale cold eddies on the primary production was much stronger than the inhibition effect of the warm eddies per unit area. Overall, mesoscale eddies are crucial physical processes that affect the biological carbon fixation and the distribution pattern of primary production in the SCS open sea, especially during the spring inter-monsoon period.
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WOS记录号: WOS:000332856100009
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10569
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Hu, ZF; Tan, YH; Song, XY; Zhou, LB; Lian, XP; Huang, LM; He, YH.Influence of mesoscale eddies on primary production in the South China Sea during spring inter-monsoon period,ACTA OCEANOLOGICA SINICA,2014,33(3):118-128
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