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学科主题: Oceanography
题名: Phytoplankton patchiness during spring intermonsoon in western coast of South China Sea
作者: Wang, JJ ; Tang, DL
通讯作者: lingzistdl@126.com
关键词: Wind-stress curl ; Phytoplankton patchiness ; Upwelling ; Intermonsoon ; South China Sea
刊名: DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
发表日期: 2014
卷: 101, 页:120-128
收录类别: sci
部门归属: [Wang, Jiu-Juan ; Tang, Dan Ling] Chinese Acad Sci, Res Ctr Remote Sensing Marine Ecol & Environm, State Key Lab Trop Oceanog, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China ; [Wang, Jiu-Juan ; Tang, Dan Ling] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
项目归属: LTO
资助者: National Natural Sciences Foundation of China [31061160190, 40976091]; Natural Sciences Foundation of Guangdong China [8351030101000002, 20108031900041]; Group program of State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences [LOT-ZZ-1301]; NSFC-RFBR Project [41211120181]
摘要: Jet-like phytoplankton blooms usually occur off the southwestern coast of the South China Sea (SCS) caused by strong winds during summer monsoons. However a jet-like phytoplankton patch was observed in the western SCS in the spring intermonsoon of 2010 in both field and remote sensing data. The present study investigated the biological processes associated with this spring phytoplankton patchiness. The data showed that chlorophyll a concentrations increased in the surface water, extending out to the SCS, and the depth of the subsurface chlorophyll maximum uplifted from 75 m to 50 m depth; low dissolved oxygen, low pH and nutrient enrichment (nitrate + nitrite and soluble reactive phosphate) were observed in the subsurface water (50 to similar to 200 m depth). Data analysis showed that variations in chlorophyll a, nutrients and temperature in the water column were related to wind-stress curl: the spatial distribution pattern and vertical structure of the phytoplankton patchiness were controlled by vertical flux of nutrients caused by curl-driven upwelling through Ekman pumping. There was a high correlation between chlorophyll a concentration and wind-stress curl where the influence of nutrient influx from the coast was limited. This study shows the importance of wind-stress curl in providing nutrients to support phytoplankton growth during the spring intermonsoon along the western coast of SCS. It may help to better understand the role of wind in marine biological processes. (C) 2013 Elsevier Ltd. All rights reserved.
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WOS记录号: WOS:000334141700010
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10567
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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Wang, JJ; Tang, DL.Phytoplankton patchiness during spring intermonsoon in western coast of South China Sea,DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY,2014,101():120-128
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