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	Study of the optimal precursors for blocking events
	Jiang, ZN; Luo, DH
刊名	Advances in atmospheric sciences
	2005-05-01
卷号	22期号:3页码:408-414
关键词	Nonlinear optimization method Dipole blocking Pre-condition Eddy-forcing
ISSN号	0256-1530
通讯作者	Jiang, zn()
英文摘要	The precursors of dipole blocking are obtained by a numerical approach based upon a quasi-geostrophic barotropic planetary- to synoptic-scale interaction model without topography and with a localized synoptic-scale wave-maker. the optimization problem related to the precursors of blocking is formulated and the nonlinear optimization method is used to examine the optimal synoptic-scale initial field successfully. the results show that the prominent characteristics of the optimal synoptic-scale initial field are that the synoptic-scale wave train structures exist upstream of the incipient blocking. in addition, the large-scale low/high eddy-forcing pattern upstream of the incipient blocking is an essential precondition for the onset of dipole blocking.
WOS关键词	SYNOPTIC-SCALE EDDIES ; ROSSBY SOLITON MODEL ; ATMOSPHERIC BLOCKING ; EDDY INTERACTION ; SENSITIVITY ; PERTURBATIONS ; DYNAMICS ; WAVES ; PREDICTABILITY ; FLOWS
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:000229329000010
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2377183
专题	中国科学院大学
通讯作者	Jiang, ZN
作者单位	1.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing 100029, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China 3.Ocean Univ China, Coll Phys & Environm Oceanog, Lab Phys Oceanog, Qingdao 266003, Peoples R China
推荐引用方式 GB/T 7714	Jiang, ZN,Luo, DH. Study of the optimal precursors for blocking events[J]. Advances in atmospheric sciences,2005,22(3):408-414.
APA	Jiang, ZN,&Luo, DH.(2005).Study of the optimal precursors for blocking events.Advances in atmospheric sciences,22(3),408-414.
MLA	Jiang, ZN,et al."Study of the optimal precursors for blocking events".Advances in atmospheric sciences 22.3(2005):408-414.

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