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Hysteresis of a periodic or leaking western boundary current flowing by a gap
Song, Xinxin1,2,4,5; Yuan, Dongliang1,3,5; Wang, Zheng1,3
2019-04-01
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Volume38Issue:4Pages:90-96
Corresponding AuthorYuan, Dongliang(dyuan@qdio.ac.cn)
AbstractA 1.5-layer quasi-geostrophic reduced gravity model is used to study the hysteresis of a periodic or leaking western boundary current (WBC) flowing by a gap. When the periods of the WBC variations are much longer than the Rossby adjustment time scales of the circulation in the vicinity of the gap, the Hopf bifurcations during the Reincrease and Re-decrease loops are delayed to produce a new domain of hysteresis of the Reynolds numbers, and the critical Reynolds numbers of the WBC regime transitions change significantly, with the domain of the hysteresis Reynolds number larger for shorter periodic forcing. When the periods of the WBC variations are comparable to those of the Rossby adjustment time scales of the circulation in the vicinity of the gap, the WBC path inside the gap becomes periodic without hysteresis. The intrusion of the WBC into the western basin generally gets smaller as the period decreases. In addition, the partial leakage of the WBC transport through the gap into the western basin is found to have significant impact on the hysteresis loop of the WBC path when the leaked transport is larger than 1/2 of the WBC. Both the intrusion extent and the critical Reynolds numbers of the WBC regime transition are changed, and the larger the throughflow transport, the larger the change.
Keywordhysteresis periodic western boundary current throughflow
DOI10.1007/s13131-018-1251-z
Indexed BySCI
Language英语
Funding ProjectNational Program on Global Change and Air-Sea Interaction[GASI-03-01-01-05] ; National Program on Global Change and Air-Sea Interaction[GASI-IPOVAI-01-02] ; National Program on Global Change and Air-Sea Interaction[GASI-IPOVAI-02] ; National Program on Global Change and Air-Sea Interaction[GASI-IPOVAI-03] ; National Program on Global Change and Air-Sea Interaction[GASI-IPOVAI-01-05] ; National Program on Global Change and Air-Sea Interaction[GASI-03-01-01-02] ; National Natural Science Foundation of China (NSFC)[41421005] ; National Natural Science Foundation of China (NSFC)[41720104008] ; National Natural Science Foundation of China (NSFC)[41476025] ; National Natural Science Foundation of China (NSFC)[41376038] ; National Natural Science Foundation of China (NSFC)[41876025] ; National Natural Science Foundation of China (NSFC)-Shandong Joint Fund for Marine Science Research Centers of China[U1606402] ; National Natural Science Foundation of China (NSFC)-Shandong Joint Fund for Marine Science Research Centers of China[U1606405] ; CAS Strategic Priority Project[XDA11010205] ; Scientific and Technological Innovation Project of Qingdao National Laboratory for Marine Science and Technology[2016ASKJ04] ; National Science and Technology Major Project[2016ZX05057015] ; Open Fund of Shandong Provincial Key Laboratory of Marine Ecology and Environment & Disaster Prevention and Mitigation[201701]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000465374700010
PublisherSPRINGER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/161244
Collection海洋环流与波动重点实验室
Corresponding AuthorYuan, Dongliang
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Shandong, Peoples R China
2.Natl Univ Def Technol, Coll Meteorol & Oceanog, Nanjing 211101, Jiangsu, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol Qingdao, Funct Lab Ocean Dynam & Climate, Qingdao 266237, Shandong, Peoples R China
4.Minist Nat Resources, Inst Oceanog 1, Key Lab Marine Sci & Numer Modeling, Qingdao 266061, Shandong, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Song, Xinxin,Yuan, Dongliang,Wang, Zheng. Hysteresis of a periodic or leaking western boundary current flowing by a gap[J]. ACTA OCEANOLOGICA SINICA,2019,38(4):90-96.
APA Song, Xinxin,Yuan, Dongliang,&Wang, Zheng.(2019).Hysteresis of a periodic or leaking western boundary current flowing by a gap.ACTA OCEANOLOGICA SINICA,38(4),90-96.
MLA Song, Xinxin,et al."Hysteresis of a periodic or leaking western boundary current flowing by a gap".ACTA OCEANOLOGICA SINICA 38.4(2019):90-96.
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