GSTDTAP  > 气候变化
DOI10.1002/2016JD026435
On the cooccurrence of wintertime temperature anomalies over eastern Asia and eastern North America
Chen, Ruyan1,2; Huang, Wenyu1,2; Wang, Bin1,2,3; Yang, Zifan1,2; Wright, Jonathon S.1,2; Ma, Wenqian1,2
2017-07-16
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
ISSN2169-897X
EISSN2169-8996
出版年2017
卷号122期号:13
文章类型Article
语种英语
国家Peoples R China
英文摘要

The cooccurrence of wintertime temperature anomalies over eastern Asia and eastern North America is examined. The winter days during 1948-2014 are assigned to nine regimes by applying the self-organizing map clustering method to the area-averaged land surface temperature anomalies over these two regions. About half of the winter days are associated with concurrent temperature anomalies. The occurrence of the concurrent/nonconcurrent regimes is closely related to the large-scale circulation conditions. The Eurasian teleconnection pattern and the Pacific-North American teleconnection pattern are two dominant large-scale circulation modes associated with the cooccurrence of the temperature anomalies, through their impacts on the intensities of the corresponding troughs. The precursor analysis reveals that the lead time of the early signals for the concurrent cold anomalies is about 4 days longer than that for the concurrent warm anomalies. In addition, the average lead time of the precursor signals for the wintertime temperature anomalies over eastern Asia is longer than that over eastern North America.


领域气候变化
收录类别SCI-E
WOS记录号WOS:000407900300009
WOS关键词SELF-ORGANIZING MAPS ; SST ANOMALIES ; ATMOSPHERIC CIRCULATION ; WEATHER REGIMES ; PART II ; MONSOON ; VARIABILITY ; PACIFIC ; CLIMATE ; PATTERNS
WOS类目Meteorology & Atmospheric Sciences
WOS研究方向Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/34014
专题气候变化
作者单位1.Tsinghua Univ, Key Lab Earth Syst Modeling, Minist Educ, Beijing, Peoples R China;
2.Tsinghua Univ, Dept Earth Syst Sci, Beijing, Peoples R China;
3.Chinese Acad Sci, Inst Atmospher Phys, State Key Lab Numer Modeling Atmospher Sci & Geop, Beijing, Peoples R China
推荐引用方式
GB/T 7714
Chen, Ruyan,Huang, Wenyu,Wang, Bin,et al. On the cooccurrence of wintertime temperature anomalies over eastern Asia and eastern North America[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2017,122(13).
APA Chen, Ruyan,Huang, Wenyu,Wang, Bin,Yang, Zifan,Wright, Jonathon S.,&Ma, Wenqian.(2017).On the cooccurrence of wintertime temperature anomalies over eastern Asia and eastern North America.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,122(13).
MLA Chen, Ruyan,et al."On the cooccurrence of wintertime temperature anomalies over eastern Asia and eastern North America".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 122.13(2017).
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