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Decadal sea surface height modes in the low-latitude northwestern Pacific and their contribution to the North Equatorial Current transport variation
Zhang, Kun1,2,5; Wang, Qiang3,4; Yin, Baoshu1,2,5,6,7
2022-06-08
发表期刊JOURNAL OF OCEANOGRAPHY
ISSN0916-8370
页码15
通讯作者Zhang, Kun(kzhang@qdio.ac.cn)
摘要Three decadal sea surface height (SSH) modes in the low-latitude northwestern Pacific over 1958 - 2018 were revealed by empirical orthogonal function analysis of decadal SSH anomalies derived from the Ocean Reanalysis System 4 provided by the European Centre for Medium-Range Weather Forecasts. The two leading SSH modes present large and small cyclonic signals in the northwestern tropical Pacific and a localized domain of (120 - 150 degrees E, 6 - 14 degrees N), respectively. In contrast, the third SSH mode demonstrates positive basin-scale signals from 7 to 21 degrees N. All three SSH modes enhance the NEC transport, with the most considerable contribution from the third mode. The temporal evolutions of the first and third modes are more relevant to the decadal NEC transport variation before 1976, whereas the second and third modes become more important after then. Further investigations suggest that the first and second SSH modes correlate well with the time series of the two leading EOFs of the Tropical Pacific Decadal Variability, and the third SSH mode moderately correlates with the Pacific Decadal Oscillation. Using a linear reduced gravity model, the three SSH modes are reproduced with the wind forcing patterns regressed against the climate indices. This study is a new attempt and deepens our understanding of the decadal variability of the NEC by revealing the linkages between multiple SSH modes and Pacific climate indices.
关键词North Equatorial Current Decadal variability Sea surface height (SSH) Low-latitude northwestern Pacific TPDV PDO
DOI10.1007/s10872-022-00645-6
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41806013] ; National Natural Science Foundation of China[92158202] ; National Natural Science Foundation of China[41576015] ; National Natural Science Foundation of China[42090044] ; Fundamental Research Funds for the Central Universities[B200201011]
WOS研究方向Oceanography
WOS类目Oceanography
WOS记录号WOS:000807940000002
出版者SPRINGER
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/179468
专题海洋环流与波动重点实验室
海洋生态与环境科学重点实验室
通讯作者Zhang, Kun
作者单位1.Chinese Acad Sci, CAS Key Lab Ocean Circulat & Waves, Inst Oceanol, Qingdao 266071, Peoples R China
2.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
3.Hohai Univ, Key Lab Marine Hazards Forecasting, Minist Nat Resources, Nanjing 210098, Peoples R China
4.Hohai Univ, Coll Oceanog, Nanjing 210098, Peoples R China
5.Pilot Natl Lab Marine Sci & Technol Qingdao, Lab Ocean & Climate Dynam, Qingdao 266237, Peoples R China
6.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
7.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
通讯作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
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GB/T 7714
Zhang, Kun,Wang, Qiang,Yin, Baoshu. Decadal sea surface height modes in the low-latitude northwestern Pacific and their contribution to the North Equatorial Current transport variation[J]. JOURNAL OF OCEANOGRAPHY,2022:15.
APA Zhang, Kun,Wang, Qiang,&Yin, Baoshu.(2022).Decadal sea surface height modes in the low-latitude northwestern Pacific and their contribution to the North Equatorial Current transport variation.JOURNAL OF OCEANOGRAPHY,15.
MLA Zhang, Kun,et al."Decadal sea surface height modes in the low-latitude northwestern Pacific and their contribution to the North Equatorial Current transport variation".JOURNAL OF OCEANOGRAPHY (2022):15.
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