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	Revisiting effect of ocean diapycnal mixing on atlantic meridional overturning circulation recovery in a freshwater perturbation simulation
	Yu Lei1,3; Gao Yongqi1,2; Wang Huijun1; Drange, Helge1,2
刊名	Advances in atmospheric sciences
	2008-07-01
卷号	25期号:4页码:597-609
关键词	North atlantic meridional overturning circulation Enhanced freshwater forcing Diapycnal mixing
ISSN号	0256-1530
DOI	10.1007/s00376-008-0597-0
通讯作者	Wang huijun(wanghj@mail.iap.ac.cn)
英文摘要	The effects of ocean density vertical stratification and related ocean mixing on the transient response of the atlantic meridional overturning circulation (amoc) are examined in a freshwater perturbation simulation using the bergen climate model (bcm). the results presented here are based on the model outputs of a previous freshwater experiment: a 300-year control integration (ctrl), a freshwater integration (fw1) which started after 100 years of running the ctrl with an artificially and continuously threefold increase in the freshwater flux to the greenland-iceland-norwegian (gin) seas and the arctic ocean throughout the following 150-year simulation. in fw1, the transient response of the amoc exhibits an initial decreasing of about 6 sv (1 sv=10(6) m(3) s(-1)) over the first 50-year integration and followed a gradual recovery during the last 100-year integration. our results show that the vertical density stratification as the crucial property of the interior ocean plays an important role for the transient responses of amoc by regulating the convective and diapycnal mixings under the enhanced freshwater input to northern high latitudes in bcm in which the ocean diapycnal mixing is stratification-dependent. the possible mechanism is also investigated in this paper.
WOS关键词	ATMOSPHERIC CARBON-DIOXIDE ; BERGEN CLIMATE MODEL ; THERMOHALINE CIRCULATION ; NORTH-ATLANTIC ; ARCTIC-OCEAN ; SEA-ICE ; INPUT ; DIFFUSIVITY ; SENSITIVITY ; ENERGETICS
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
语种	英语
出版者	SCIENCE PRESS
WOS记录号	WOS:000257689200009
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2385212
专题	中国科学院大学
通讯作者	Wang Huijun
作者单位	1.Chinese Acad Sci, Inst Atmospher Phys, Nansen Zhu Int Res Ctr, Beijing 100029, Peoples R China 2.Bjerkness Ctr Climate Res, Nansen Environm & Remote Sensing Ctr, Bergen, Norway 3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yu Lei,Gao Yongqi,Wang Huijun,et al. Revisiting effect of ocean diapycnal mixing on atlantic meridional overturning circulation recovery in a freshwater perturbation simulation[J]. Advances in atmospheric sciences,2008,25(4):597-609.
APA	Yu Lei,Gao Yongqi,Wang Huijun,&Drange, Helge.(2008).Revisiting effect of ocean diapycnal mixing on atlantic meridional overturning circulation recovery in a freshwater perturbation simulation.Advances in atmospheric sciences,25(4),597-609.
MLA	Yu Lei,et al."Revisiting effect of ocean diapycnal mixing on atlantic meridional overturning circulation recovery in a freshwater perturbation simulation".Advances in atmospheric sciences 25.4(2008):597-609.

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