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学科主题: Remote Sensing; Imaging Science & Photographic Technology
题名: Eddy-feature phytoplankton bloom induced by a tropical cyclone in the South China Sea
作者: Chen, YQ ; Tang, DL
通讯作者: lingzistdl@126.com
刊名: INTERNATIONAL JOURNAL OF REMOTE SENSING
发表日期: 2012
卷: 33, 期:23, 页:7444-7457
部门归属: [Chen, Yongqiang; Tang, Danling] Chinese Acad Sci, S China Sea Inst Oceanol, State Key Lab Trop Oceanog, Res Ctr Remote Sensing Marine Ecol & Environm RSM, Guangzhou 510301, Guangdong, Peoples R China; [Chen, Yongqiang; Tang, Danling] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Chen, Yongqiang] Chinese Acad Sci, S China Sea Inst Oceanol, Hainan Trop Marine Biol Res Stn, Sanya 572000, Peoples R China
项目归属: LTO
摘要: This is the first report on an eddy-feature phytoplankton bloom induced by a tropical cyclone (the spiral structure of the bloom was coincident with that of a cold eddy) in the South China Sea (SCS). Applying satellite data, this report can furnish fresh evidence of the relationship between the bloom and the cold eddy. Tropical cyclone Linfa passed over the northern SCS from 16 to 21 June 2009. While it looped over for 2 days (from 17 to 19 June), a cold eddy, which lasted for 11 days in the looping area, was observed on 18 June. Subsequently, an eddy-feature phytoplankton bloom (central location: 18 degrees N, 117.5 degrees E) was detected on 22 June and it remained for 17 days. The character of both the cold eddy and the bloom was rotating counterclockwise, with two arms. High Ekman pumping velocity (>4.5 x 10(-4) m s(-1)) was estimated during the passage of Linfa (from 17 to 19 June). The monthly climatology of the mixed layer depth was about 20 m in June, and the maximum Ekman layer depth was about 346 m after Linfa. The analysis indicated that Linfa may have induced the cold eddy, where it looped around. With upwelling and entrainment, the eddy potentially provided nutrients to the bloom in the surface water. The results suggested that the sea surface current changes that Linfa induced had caused the bloom in an eddy feature. Tropical cyclones appear frequently in the SCS, which may affect the activities of mesoscale eddies in this area.
语种: 英语
WOS记录号: WOS:000306286200009
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10249
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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Recommended Citation:
Chen, YQ; Tang, DL.Eddy-feature phytoplankton bloom induced by a tropical cyclone in the South China Sea,INTERNATIONAL JOURNAL OF REMOTE SENSING,2012,33(23):7444-7457
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