干旱区生态环境知识资源中心(Arid): Favorable Circulation Patterns and Moisture Sources for Wintertime Extreme Precipitation Events Over the Balkhash-Junggar Region

Arid

DOI	10.1029/2019JD032275
	Favorable Circulation Patterns and Moisture Sources for Wintertime Extreme Precipitation Events Over the Balkhash-Junggar Region
	He, Xinsheng; Huang, Wenyu; Yang, Zifan; Wright, Jonathon S.; Wang, Bin; Xie, Zuowei; Qiu, Tianpei; Dong, Wenhao; Lu, Hui; Li, Xiang; Liao, Jie
通讯作者	Huang, WY
来源期刊	JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN	2169-897X
EISSN	2169-8996
出版年	2020
卷号	125 期号:16
英文摘要	The Balkhash-Junggar (B-J) region is a typical dryland region with strong sensitivity to climate change. The snowstorms of the year 2009 caused financial damage worth of 2,516 million RMB. This study examines the dynamical features and the moisture sources associated with wintertime extreme precipitation over the B-J region. The analyses are based primarily on the data set from ERA-Interim during DJF 1979-2017. Both Lagrangian and Eulerian approaches are used to examine the moisture sources. An upper-tropospheric Rossby wave train that extends from the North Atlantic Ocean to the B-J region is found to play a leading role in the formation of 127 wintertime extreme precipitation events in the B-J region. This Rossby wave train deepens a cyclonic anomaly in the lower troposphere over the B-J region, which favors the development of strong southwesterly moisture transport and strong updrafts there. These conditions are favorable for the occurrence of extreme precipitation events over the B-J region. Lagrangian moisture source analysis indicates that most of the moisture for precipitation during these events comes from terrestrial sources, with central Asia the key moisture source region. The Eulerian moisture budget analysis further shows that most of the moisture for extreme precipitation enters the B-J region through its western boundary via enhanced southwesterly flow. These dynamical and moisture source analyses establish a set of valuable precursor conditions for predicting wintertime extreme precipitation events over the B-J region.
英文关键词	extreme precipitation dryland Balkhash-Junggar evaporative moisture source Rossby wave train Lagrangian approach
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000565638400033
WOS关键词	GLOBAL WATER CYCLE ; ATMOSPHERIC MOISTURE ; LAGRANGIAN ANALYSIS ; CLIMATE-CHANGE ; ARID REGION ; WETTER CONDITIONS ; TEMPORAL TRENDS ; AUGUST 2002 ; CHINA ; XINJIANG
WOS类目	Meteorology & Atmospheric Sciences
WOS研究方向	Meteorology & Atmospheric Sciences
来源机构	中国科学院大气物理研究所 ; 清华大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/326012
作者单位	[He, Xinsheng; Huang, Wenyu; Yang, Zifan; Wright, Jonathon S.; Qiu, Tianpei; Lu, Hui] Tsinghua Univ, Dept Earth Syst Sci DESS, Minist Educ, Key Lab Earth Syst Modeling, Beijing, Peoples R China; [Wang, Bin] Chinese Acad Sci, Inst Atmospher Phys IAP, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China; [Xie, Zuowei] Chinese Acad Sci, Inst Atmospher Phys IAP, Int Ctr Climate & Environm Sci, Beijing, Peoples R China; [Dong, Wenhao] Univ Corp Atmospher Res, Cooperat Programs Adv Earth Syst Sci, Boulder, CO USA; [Dong, Wenhao] NOAA, Geophys Fluid Dynam Lab, Princeton, NJ USA; [Li, Xiang] Minist Nat Resources, Key Lab Marine Hazards Forecasting, Natl Marine Environm Forecasting Ctr, Beijing, Peoples R China; [Liao, Jie] Natl Meteorol Informat Ctr, Beijing, Peoples R China
推荐引用方式 GB/T 7714	He, Xinsheng,Huang, Wenyu,Yang, Zifan,et al. Favorable Circulation Patterns and Moisture Sources for Wintertime Extreme Precipitation Events Over the Balkhash-Junggar Region[J]. 中国科学院大气物理研究所, 清华大学,2020,125(16).
APA	He, Xinsheng.,Huang, Wenyu.,Yang, Zifan.,Wright, Jonathon S..,Wang, Bin.,...&Liao, Jie.(2020).Favorable Circulation Patterns and Moisture Sources for Wintertime Extreme Precipitation Events Over the Balkhash-Junggar Region.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,125(16).
MLA	He, Xinsheng,et al."Favorable Circulation Patterns and Moisture Sources for Wintertime Extreme Precipitation Events Over the Balkhash-Junggar Region".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 125.16(2020).