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学科主题: Environmental Sciences; Remote Sensing; Imaging Science & Photographic Technology
题名: Impacts of the binary typhoons on upper ocean environments in November 2007
作者: Yang, YJ ; Sun, L ; Duan, AM ; Li, YB ; Fu, YF ; Yan, YF ; Wang, ZQ ; Xian, T
通讯作者: sunl@ustc.edu.cn
关键词: binary typhoon ; cold cyclonic eddy ; cooling ; forcing time ; upwelling
刊名: JOURNAL OF APPLIED REMOTE SENSING
发表日期: 2012
卷: 6, 页:63583
部门归属: [Yang, Yuan-Jian; Sun, Liang; Fu, Yun-Fei; Xian, Tao] Univ Sci & Technol China, Sch Earth & Space Sci, Lab Atmospher Observat & Climatol Environm, Hefei 230026, Peoples R China; [Yang, Yuan-Jian; Sun, Liang; Duan, An-Min; Fu, Yun-Fei; Wang, Zi-Qian] Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China; [Yang, Yuan-Jian; Sun, Liang] Second Inst Oceanog, State Ocean Adm, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China; [Yang, Yuan-Jian; Fu, Yun-Fei] Anhui Inst Meteorol Sci, Key Lab Atmospher Sci & Satellite Remote Sensing, Hefei 230031, Peoples R China; [Li, Yu-Bin] Macquarie Univ, Dept Geog & Environm, Sydney, NSW 2109, Australia; [Yan, You-Fang] Chinese Acad Sci, S China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
项目归属: LTO
摘要: Using multiple satellite observations, Argo floats profiles, and one-dimensional (1-D) ocean mixed layer model, this study systematically investigated the impacts of the binary typhoons Hagibis and Mitag [which coexisted respectively in the South China Sea (SCS) and western North Pacific (WNP) during November, 22 to 26, 2007] on upper ocean environments. It was observed that intense Ekman pumping and two mesoscale cold, cyclonic eddies, which, induced by long forcing time of strong wind stress curls, appeared respectively in two certain areas instead of after the binary typhoons' trails. Both cyclonic eddies retained for similar to 39 days, accompanied with maximum sea surface height anomaly (SSHA) reduction of similar to 25 cm induced by Hagibis and of similar to 44 cm induced by Mitag, respectively. The largest sea surface temperature (SST) drop of 7 degrees C and 2 degrees C, the maximum chlorophyll a (Chl-a) enhancement respectively was >20 times and similar to 3 times in these two eddies' regions induced by Typhoon Hagibis and Mitag, respectively. The results of the 1-D ocean mixed layer model showed that, given its 84 h forcing time, the simulated MLT cooling and mixed layer deepening induced by Hagibis were similar to-2.8 degrees C and 45 m, respectively, similar to-0.5 degrees C and 25 m for Mitag at its 66 h forcing time. This work provides convincing evidences that typhoons, which appear frequently in the SCS and the WNP, play a notable role in the activities of mesoscale eddies in these areas. (C) 2012 Society of Photo-Optical Instrumentation Engineers (SPIE). [DOI: 10.1117/1.JRS.6.063583]
语种: 英语
WOS记录号: WOS:000310700300002
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10089
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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Yang, YJ; Sun, L; Duan, AM; Li, YB; Fu, YF; Yan, YF; Wang, ZQ; Xian, T.Impacts of the binary typhoons on upper ocean environments in November 2007,JOURNAL OF APPLIED REMOTE SENSING,2012,6():63583
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