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The impact of global warming on Kuroshio Extension and its southern recirculation using CMIP5 experiments with a high-resolution climate model MIROC4h
Zhang, Xing1,2; Wang, Qiang1,3; Mu, Mu1,3
2017-02-01
发表期刊THEORETICAL AND APPLIED CLIMATOLOGY
卷号127期号:3-4页码:815-827
文章类型Article
摘要Responses of the Kuroshio Extension (KE) and its southern recirculation gyre (SRG) to global warming are investigated using CMIP5 experiments with a high-resolution climate model MIROC4h. The results show that MIROC4h well reproduces the essential features of the KE system and its low-frequency variations. In three-member-ensemble future climate experiments (with a medium mitigation emissions scenario RCP4.5), the strengths of the KE and its SRG increase, relative to the prescribed historical run with natural and anthropogenic forcing. By investigating the mechanism resulting in these variations of the KE and its SRG, it turns out that wind stress changes and ocean stratification changes both contribute to the enhancement of the KE and its SRG. Specifically, the wind stress changes increase upper ocean momentum in the SRG region. Meanwhile, the increased stratifications hinder the transfer of momentum from the upper ocean to the deeper ocean. Besides, the strengthened ocean stratification could enhance the eddy kinetic energy (EKE) in the downstream KE region, which can feedback to intensify the SRG. As a result, the strength of the SRG increases under global warming condition. Then the intensification of the SRG leads to large acceleration of the KE. Eventually, both the KE and its SRG intensify.
DOI10.1007/s00704-015-1672-y
收录类别SCI
语种英语
WOS记录号WOS:000393667700023
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被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136384
专题海洋环流与波动重点实验室
作者单位1.Chinese Acad Sci, Key Lab Ocean Circulat & Waves, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Ocean Dynam & Climate, Qingdao 266071, Peoples R China
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Zhang, Xing,Wang, Qiang,Mu, Mu. The impact of global warming on Kuroshio Extension and its southern recirculation using CMIP5 experiments with a high-resolution climate model MIROC4h[J]. THEORETICAL AND APPLIED CLIMATOLOGY,2017,127(3-4):815-827.
APA Zhang, Xing,Wang, Qiang,&Mu, Mu.(2017).The impact of global warming on Kuroshio Extension and its southern recirculation using CMIP5 experiments with a high-resolution climate model MIROC4h.THEORETICAL AND APPLIED CLIMATOLOGY,127(3-4),815-827.
MLA Zhang, Xing,et al."The impact of global warming on Kuroshio Extension and its southern recirculation using CMIP5 experiments with a high-resolution climate model MIROC4h".THEORETICAL AND APPLIED CLIMATOLOGY 127.3-4(2017):815-827.
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