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Associations of atmospheric teleconnections with wintertime extratropical cyclones over East Asia and Northwest Pacific

文献类型：期刊论文

作者Gao, Meng1,2,3; Sun, Yidi3,4; Zheng, Qian3,4
刊名CLIMATE DYNAMICS
出版日期2021-05-10
页码14
关键词Hexagon grid Teleconnection pattern Inhomogenous Poisson process Generalized linear model
ISSN号0930-7575
DOI10.1007/s00382-021-05795-9
通讯作者Gao, Meng(mgao@yic.ac.cn)
英文摘要Extratropical cyclones (ETCs) over East Asia and Northwest Pacific are identified and tracked by applying an objective algorithm to the 850-hPa relative vorticity fields from the ERA-Interim reanalysis. A total of 2866 ETCs originating at the western side of the date line have been identified in the extended November-March winters from 1979 to 2018. The ETC tracks are counted and visualized using a hexagonal tessellation rather than the regular longitude-latitude grids. Two generalized linear models (GLMs), Poisson regression model and Gamma regression model, are firstly applied to investigate the associations of wintertime ETCs with three atmospheric teleconnection patterns. The West Pacific (WP) pattern and the Pacific/North American (PNA) pattern are more responsible for the meridional variability of ETC activities in the North Pacific, while the influence of the Polar/Eurasia pattern on ETC activities is negligible. Results of composite analysis are qualitatively consistent with that of regression analysis. Composite maps of differences of jet stream, thermal gradient and mid-tropospheric baroclinicity in the positive and negative phases of teleconnection patterns also support the close associations of ETC activities with WP and PNA teleconnection patterns.
WOS关键词NORTHERN-HEMISPHERE WINTER ; SYNOPTIC ANALYSIS ; CLIMATOLOGY ; VARIABILITY ; CYCLOGENESIS ; VORTICITY ; CLASSIFICATION ; PERSPECTIVES ; SENSITIVITY ; PATTERNS
资助项目Key Deployment Project of Center for Ocean Mega-Science, CAS[COMS2019J02] ; Key Research Program of Frontier Science of Chinese Academy of Sciences[ZDBS-LY-7010] ; National Natural Science Foundation of China[31570423] ; Key Program of Shandong Natural Science Foundation[ZR2020KF031] ; Youth Innovation Promotion Association of CAS[2016195]
WOS研究方向Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:000648849200003
资助机构Key Deployment Project of Center for Ocean Mega-Science, CAS ; Key Research Program of Frontier Science of Chinese Academy of Sciences ; National Natural Science Foundation of China ; Key Program of Shandong Natural Science Foundation ; Youth Innovation Promotion Association of CAS
源URL[http://ir.yic.ac.cn/handle/133337/27283]  
专题烟台海岸带研究所_海岸带信息集成与综合管理实验室
烟台海岸带研究所_中科院海岸带环境过程与生态修复重点实验室
通讯作者Gao, Meng
作者单位1.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
2.Yantai Univ, Sch Math & Informat Sci, Yantai 264005, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Gao, Meng,Sun, Yidi,Zheng, Qian. Associations of atmospheric teleconnections with wintertime extratropical cyclones over East Asia and Northwest Pacific[J]. CLIMATE DYNAMICS,2021:14.
APA Gao, Meng,Sun, Yidi,&Zheng, Qian.(2021).Associations of atmospheric teleconnections with wintertime extratropical cyclones over East Asia and Northwest Pacific.CLIMATE DYNAMICS,14.
MLA Gao, Meng,et al."Associations of atmospheric teleconnections with wintertime extratropical cyclones over East Asia and Northwest Pacific".CLIMATE DYNAMICS (2021):14.

入库方式： OAI收割

来源：烟台海岸带研究所

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