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学科主题: Remote Sensing ; Imaging Science & Photographic Technology
题名: A new mononuclear eddy identification method with simple splitting strategies
作者: Li, QY ; Sun, L ; Liu, SS ; Xian, T ; Yan, YF
通讯作者: sunl@ustc.edu.cn
刊名: REMOTE SENSING LETTERS
发表日期: 2014
卷: 5, 期:1, 页:65-72
收录类别: sci
部门归属: [Li, Qiu-Yang ; Sun, Liang ; Liu, Shan-Shan ; Xian, Tao] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China ; [Sun, Liang] State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou, Zhejiang, Peoples R China ; [Yan, You-Fang] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China
项目归属: LTO
资助者: National Basic Research Program of China [2013CB430301, 2013CB430303]; National Foundation of Natural Science [41376017, 41276025]; Open Fund of the State Key Laboratory of Satellite Ocean Environment Dynamics [SOED1209]
摘要: A new mononuclear eddy identification method based on sea level anomaly (SLA) data was developed and described in this study. To solve the multinuclear eddy problem, we employed two strategies to split the eddies into individual eddies: the closest angle and the closest distance strategies. Each strategy produces an eddy with only one SLA extremum. The splitting procedure is based on these strategies. No artificial threshold is needed with these strategies, but a threshold for strategy choice is required. The splitting strategies are adaptable to various identification methods. The examples indicate that the splitting procedure clearly captures the mixing of eddies. When applied to the global ocean, the proposed method obtained similar and more reasonable results. The splitting procedure is linear without any iteration; thus, it is very fast (the time complexity is O(N), where N is the number of multinuclear eddy pixels). In statistics, the proposed method can identify approximately 30-40% more eddies than the multinuclear eddy method.
原文出处: 查看原文
WOS记录号: WOS:000329824500008
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10580
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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Li, QY; Sun, L; Liu, SS; Xian, T; Yan, YF.A new mononuclear eddy identification method with simple splitting strategies,REMOTE SENSING LETTERS,2014,5(1):65-72
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