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学科主题: Ecology; Marine & Freshwater Biology; Oceanography
题名: Strong enhancement of chlorophyll a concentration by a weak typhoon
作者: Sun, L ; Yang, YJ ; Xian, T ; Lu, ZM ; Fu, YF
通讯作者: sunl@ustc.edu.cn
关键词: SCS ; Forcing time ; Upwelling
刊名: MARINE ECOLOGY-PROGRESS SERIES
发表日期: 2010
卷: 404, 页:39-50
收录类别: sci
部门归属: [Sun, Liang; Xian, Tao; Fu, Yun-Fei] Univ Sci & Technol China, Sch Earth & Space Sci, Lab Atmospher Observat & Climatol Environm, Hefei 230026, Anhui, Peoples R China; [Sun, Liang] Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing 100029, Peoples R China; [Yang, Yuan-Jian] Anhui Inst Meteorol Sci, Hefei 230031, Peoples R China; [Lu, Zhu-min] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LED
摘要: Recent studies demonstrate that chlorophyll a (chl a) concentrations in ocean surface waters can be significantly enhanced due to typhoons. The present study investigated chl a concentrations in the middle of the South China Sea (SCS) from 1997 to 2007. Only the Category 1 (minimal) Typhoon Hagibis (2007) had a notable effect on chl a concentrations. Typhoon Hagibis had a strong upwelling potential due to its location near the equator, and the forcing time of the typhoon (>82 h) was much longer than the geostrophic adjustment time (similar to 63 h). The higher upwelling velocity and the longer forcing time increased the depth of the mixed-layer, which consequently induced a strong phytoplankton bloom that accounted for about 30% of the total annual chl a concentration in the middle of the SCS. Induction of significant upper ocean responses can be expected if the forcing time of a typhoon is long enough to establish strong upwelling.
原文出处: 查看原文
WOS记录号: WOS:000277230100004
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/6305
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Sun, L; Yang, YJ; Xian, T; Lu, ZM; Fu, YF.Strong enhancement of chlorophyll a concentration by a weak typhoon,MARINE ECOLOGY-PROGRESS SERIES,2010,404():39-50
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