A new mononuclear eddy identification method with simple splitting strategies
Li, QY; Sun, L; Liu, SS; Xian, T; Yan, YF; sunl@ustc.edu.cn
2014
发表期刊REMOTE SENSING LETTERS
ISSN2150-704X
卷号5期号:1页码:65-72
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.
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
学科领域Remote Sensing ; Imaging Science & Photographic Technology
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] ; 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] ; 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] ; 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]
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收录类别sci
资助项目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] ; 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] ; 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] ; 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]
WOS记录号WOS:000329824500008
引用统计
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10580
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
Li, QY,Sun, L,Liu, SS,et al. A new mononuclear eddy identification method with simple splitting strategies[J]. REMOTE SENSING LETTERS,2014,5(1):65-72.
APA Li, QY,Sun, L,Liu, SS,Xian, T,Yan, YF,&sunl@ustc.edu.cn.(2014).A new mononuclear eddy identification method with simple splitting strategies.REMOTE SENSING LETTERS,5(1),65-72.
MLA Li, QY,et al."A new mononuclear eddy identification method with simple splitting strategies".REMOTE SENSING LETTERS 5.1(2014):65-72.
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