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	Relating anomalous large-scale atmospheric circulation patterns to temperature and precipitation anomalies in the East Asian monsoon region
	Yang, Y; Gao, M; Xie, NR; Gao, ZQ
发表期刊	ATMOSPHERIC RESEARCH
ISSN	0169-8095
	2020-02-01
卷号	232页码:UNSP 104679
关键词	Atmospheric circulation patterns Self-organizing map Temperature and precipitation anomalies East Asian Monsoon
研究领域	Meteorology & Atmospheric Sciences
DOI	10.1016/j.atmosres.2019.104679
产权排序	[Yang, Ye; Gao, Meng; Xie, Naru; Gao, Zhiqiang] Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Yang, Ye; Xie, Naru] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
通讯作者	Gao, Meng([email protected])
作者部门	海岸带信息集成与综合管理实验室
英文摘要	The anomalous large-scale atmospheric circulation patterns concerned with surface air temperature and precipitation anomalies within East Asian Monsoon region for winter and summer months from 1979 to 2017 are analyzed by employing the self-organizing map (SOM) neural network. The asymmetric 3 x 4 SOM neural network is firstly constructed with the geopotential height anomalies at 500-hPa level as the only input variable. Then 12 characteristic anomalous large-scale atmospheric circulation patterns (nodes) are identified. The composites of temperature and precipitation anomalies as well as vertical wind anomalies at 500-hPa level assigned to each node are generated and visualized. The spatial distributions of anomalous geopotential height (anticyclones or cyclones) are highly consistent with that of surface air temperature anomalies in both winter and summer. Most precipitation extremes in winter are attributed to the joint effect of the horizontal and vertical atmospheric motions, while strong air convection is prone to inducing extreme precipitation events in summer. Based on the SOM classification, the differences of atmospheric circulations, temperature and precipitation anomalies have also been partly identified in strong and weak phases of East Asia Monsoon.
文章类型	Article
资助机构	Youth Innovation Promotion Association of CAS, China [2016195] ; Key Research Project of Basic and Frontier Science of CAS, China [ZDBS-LY-7010] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [31570423]
收录类别	SCI
语种	英语
关键词[WOS]	SUMMER MONSOON ; CLIMATE EXTREMES ; INTERANNUAL VARIABILITY ; CHINA ; EVENTS ; SIMULATION ; SYSTEM ; IMPACT ; INDEX
研究领域[WOS]	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000513179100003
引用统计	被引频次：15[WOS]   [WOS记录]     [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/24761
专题	中国科学院海岸带环境过程与生态修复重点实验室_海岸带信息集成与战略规划研究中心 中国科学院海岸带环境过程与生态修复重点实验室
作者单位	1.Chinese Acad Sci, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yang, Y,Gao, M,Xie, NR,et al. Relating anomalous large-scale atmospheric circulation patterns to temperature and precipitation anomalies in the East Asian monsoon region[J]. ATMOSPHERIC RESEARCH,2020,232:UNSP 104679.
APA	Yang, Y,Gao, M,Xie, NR,&Gao, ZQ.(2020).Relating anomalous large-scale atmospheric circulation patterns to temperature and precipitation anomalies in the East Asian monsoon region.ATMOSPHERIC RESEARCH,232,UNSP 104679.
MLA	Yang, Y,et al."Relating anomalous large-scale atmospheric circulation patterns to temperature and precipitation anomalies in the East Asian monsoon region".ATMOSPHERIC RESEARCH 232(2020):UNSP 104679.

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