Strong enhancement of chlorophyll a concentration by a weak typhoon
Sun, L; Yang, YJ; Xian, T; Lu, ZM; Fu, YF; sunl@ustc.edu.cn
2010
发表期刊MARINE ECOLOGY-PROGRESS SERIES
ISSN0171-8630
卷号404页码:39-50
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.
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
关键词Scs Forcing Time Upwelling
学科领域Ecology ; Marine & Freshwater Biology ; Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000277230100004
引用统计
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/6305
专题热带海洋环境国家重点实验室(LTO)
通讯作者sunl@ustc.edu.cn
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GB/T 7714
Sun, L,Yang, YJ,Xian, T,et al. Strong enhancement of chlorophyll a concentration by a weak typhoon[J]. MARINE ECOLOGY-PROGRESS SERIES,2010,404:39-50.
APA Sun, L,Yang, YJ,Xian, T,Lu, ZM,Fu, YF,&sunl@ustc.edu.cn.(2010).Strong enhancement of chlorophyll a concentration by a weak typhoon.MARINE ECOLOGY-PROGRESS SERIES,404,39-50.
MLA Sun, L,et al."Strong enhancement of chlorophyll a concentration by a weak typhoon".MARINE ECOLOGY-PROGRESS SERIES 404(2010):39-50.
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