文献类型：期刊文献

英文题名：Multi-Source Data Analysis of Mesoscale Eddies and Their Effects on Surface Chlorophyll in the Bay of Bengal

作者：Yang, Xiao[1,2];Xu, Guangjun[3,4];Liu, Yu[3,5];Sun, Wenjin[1,3];Xia, Changshui[2];Dong, Changming[1,3]

机构：[1]Nanjing Univ Informat Sci & Technol, Sch Marine Sci, Nanjing 210044, Peoples R China;[2]Minist Nat Resources, Inst Oceanog 1, Qingdao 266101, Peoples R China;[3]Southern Lab Ocean Sci & Engn Guangdong Zhuhai, Zhuhai 519000, Peoples R China;[4]Guangdong Ocean Univ, Coll Elect & Informat Engn, Zhanjiang 524088, Peoples R China;[5]Zhejiang Ocean Univ, Marine Sci & Technol Coll, Zhoushan 316000, Peoples R China

年份：2020

卷号：12

期号：21

起止页码：1

外文期刊名：REMOTE SENSING

收录：SCI-EXPANDED(收录号：WOS:000593624000001)、、EI(收录号：20204409426046)、Scopus(收录号：2-s2.0-85094098868)、WOS

基金：This study is financially supported by The National Key Research and Development Program of China under contract No.2017YFA0604100, 2016YFA0601803, and 2016YFC1401407; the National Natural Science Foundation of China under contract No.41906008,41476022, 41490643, and 41706008; the Startup Foundation for Introducing Talent of Nanjing University of Information Science and Technology under contract No.2019r049, 2014r072; the Program for Innovation Research and Entrepreneurship team in Jiangsu Province under contract No.2191061503801; the Guangdong Basic and Applied Basic Research Foundation contract 2019A1515110840, and Research Startup Foundation of Guangdong Ocean University (R20009), the State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology, Chinese Academy of Sciences (No. LTO1902).

语种：英文

外文关键词：Bay of Bengal; mesoscale eddies; vector-geometry eddy detection; eddy characteristics; sea surface chlorophyll

外文摘要：Mesoscale eddies are important to ocean circulation due to their roles in the transport of mass, energy, and heat. This study employs a combination of data sources to initiate a statistical analysis of eddy spatiotemporal characteristics in the Bay of Bengal (BOB) to elucidate the sea surface and vertical structures of the eddies and their impacts on sea surface chlorophyll (Chl) distributions. The results suggest that 1237 cyclonic eddies (CEs) and 1121 anticyclonic eddies (AEs) were detected in 26 years. The number of two eddy polarities was almost the same, and most of them spread to the west or southwest direction. The vertical change of temperature (T) and salinity (S) caused by the eddies is studied and the anomalous eddies, i.e., a CE (AE) eddy with warm (cold) water at the center, are mainly distributed on the northeast side of the Island of Sri Lanka. Furthermore, CEs are found to increase Chl concentration in the surrounding sea by approximately 11.15%, while AEs decrease concentrations also by approximately 11.25%. Changes in Chl concentrations occur most rapidly during the mature and intensification eddy phases. Observations also indicate that the strong local current and wind fields are the primary mechanisms in eddy generation.