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Lagrangian analysis of surface transport patterns in the northern south China sea
Hu, Z. Y.1,2,3; Zhou, M.4,5
2019-09-01
Source PublicationDEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY
ISSN0967-0645
Volume167Pages:4-13
Corresponding AuthorHu, Z. Y.(ziyuanhu@qdio.ac.cn)
AbstractThe present work investigated the surface transport structures in the Northern South China Sea (NSCS) by estimating Lagrangian Coherent Structures (LCSs) in the altimetry-based Finite-Size Lyanpunov Exponents (FSLE) fields. The investigations covered the period of the two LEDS (Living-resource and Ecosystem Dynamics on the Slope) surveys: LEDS2014 (10-30 October 2014) and LEDS2015 (10-30 June 2015), with special focus on the survey area. FSLE analysis allowed us to describe the sampling area as divided regions characterized by different dynamical patterns. Backward longitude and latitude advection experiments were performed in addition to mapped LCSs to depict the pathway and origin of water parcels. The water masses of the sampling area were further categorized by their estimated origins to provide essential insight into the interpretation of the field measurements. The in situ measurements by cruises and satellite images were compared in order to validate the FSLE-derived estimation. The FSLE analysis results revealed completely different surface transport patterns between the two surveys. Cross-slope transport was only observed in LEDS2015 summer survey and was considered as a result of eddy entrainment. FSLE revealed the pathway of the Pearl River plume water from the shelf to the basin along the hyperbolic structure lines. No such cross-slope exchange was detected in LEDS2014 autumn survey while attractive LCS appeared at the inner edge of the survey area and no eddy structures were present.
KeywordSurface horizontal transport FSLE Lagrangian analysis Northern south China sea LEDS project
DOI10.1016/j.dsr2.2019.06.020
Indexed BySCI
Language英语
Funding ProjectNational Basic Research Program of China[2014CB441500] ; CNES
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000484651600002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/162796
Collection胶州湾海洋生态系统国家野外研究站
Corresponding AuthorHu, Z. Y.
Affiliation1.Chinese Acad Sci, Inst Oceanol, JiaoZhou Bay Marine Ecosyst Res Stn, 7 Nanhai Rd, Qingdao 266071, Shandong, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Environm Sci, Qingdao, Shandong, Peoples R China
3.Chinese Acad Sci, Ctr Ocean Mega Sci, Beijing, Peoples R China
4.Shanghai Jiao Tong Univ, Inst Oceanol, Shanghai 200240, Peoples R China
5.Univ Massachusetts, Sch Environm, Boston, MA 02125 USA
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Hu, Z. Y.,Zhou, M.. Lagrangian analysis of surface transport patterns in the northern south China sea[J]. DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY,2019,167:4-13.
APA Hu, Z. Y.,&Zhou, M..(2019).Lagrangian analysis of surface transport patterns in the northern south China sea.DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY,167,4-13.
MLA Hu, Z. Y.,et al."Lagrangian analysis of surface transport patterns in the northern south China sea".DEEP-SEA RESEARCH PART II-TOPICAL STUDIES IN OCEANOGRAPHY 167(2019):4-13.
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