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Interannual teleconnections between the summer North Atlantic Oscillation and the East Asian summer monsoon
Linderholm, HW (Linderholm, Hans W.)1; Ou, TH (Ou, Tinghai)1,2; Jeong, JH (Jeong, Jee-Hoon)1; Folland, CK (Folland, Chris K.)3; Gong, DY (Gong, Daoyi)4; Liu, HB (Liu, Hongbin)5; Liu, Y (Liu, Yu)6; Chen, DL (Chen, Deliang)1
2011-07-13
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES
Volume116Pages:D13107
Subtype期刊论文
Abstract

Here we present a study of the relationship between July-August (JA) mean climate over China, which is strongly linked to the East Asian summer monsoon (EASM), and the summer (JA) North Atlantic Oscillation (SNAO). The variations of temperature, precipitation, and cloud cover related to the SNAO were analyzed for the period 1951-2002 using gridded data sets as well as instrumental data from 160 stations in China. It was shown that the major patterns of summer climate over China are highly connected with the interannual variation of the SNAO, supporting a teleconnection between the North Atlantic region and East Asia. Based on the analyses of the daily and monthly reanalysis data sets, we propose possible mechanisms of this teleconnection. Changes in the position of the North Atlantic storm tracks and transient eddy activity associated with the positive (negative) SNAO phase contribute downstream to negative (positive) sea level pressure anomalies in northeastern East Asia. In negative SNAO years, a stationary wave pattern is excited from the southern SNAO center over northwestern Europe to northeastern East Asia. However, during positive SNAO years, a stationary wave pattern is excited extending from the SNAO center across the central Eurasian continent at around 40 degrees N and downstream to the southeast. This may explain a connection between the positive SNAO and atmospheric circulation in middle and southeastern China.

DOI10.1029/2010JD015235
Indexed BySCI
Language英语
Citation statistics
Cited Times:51[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10348
Collection现代环境研究室
Corresponding AuthorLinderholm, HW (Linderholm, Hans W.)1
Affiliation1.Regional Climate Group, Department of Earth Sciences, University ofGothenburg, Gothenburg, Sweden;
2.School of Geography, Beijing Normal University, Beijing, China;
3.Met Office Hadley Centre for Climate Change, Exeter, UK;
4.State Key Laboratory of Earth Surface Processes and ResourceEcology, Beijing Normal University, Beijing, China;
5.Laboratory for Climate Studies, National Climate Center, ChinaMeteorological Administration, Beijing, China;
6.State Key Laboratory of Loess and Quaternary Geology, Institute ofEarth Environment, Chinese Academy of Sciences, Xi’an, China
Recommended Citation
GB/T 7714
Linderholm, HW ,Ou, TH ,Jeong, JH ,et al. Interannual teleconnections between the summer North Atlantic Oscillation and the East Asian summer monsoon[J]. JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,2011,116:D13107.
APA Linderholm, HW .,Ou, TH .,Jeong, JH .,Folland, CK .,Gong, DY .,...&Chen, DL .(2011).Interannual teleconnections between the summer North Atlantic Oscillation and the East Asian summer monsoon.JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES,116,D13107.
MLA Linderholm, HW ,et al."Interannual teleconnections between the summer North Atlantic Oscillation and the East Asian summer monsoon".JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES 116(2011):D13107.
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