Evaluation of the Atlantic Multidecadal Oscillation Impact on Large-Scale Atmospheric Circulation in the Atlantic Region in Summer

被引：9

作者：

Semenov, V. A. ^{[1
,2
]}

Cherenkova, E. A. ^{[1
,2
]}

机构：

[1] Russian Acad Sci, Obukhov Inst Atmospher Phys, Moscow 119017, Russia

[2] Russian Acad Sci, Inst Geog, Moscow 119017, Russia

来源：

DOKLADY EARTH SCIENCES | 2018年 / 478卷 / 02期

关键词：

CLIMATE; VARIABILITY;

D O I：

10.1134/S1028334X18020290

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

The influence of the Atlantic Multidecadal Oscillation (AMO) on large-scale atmospheric circulation in the Atlantic region in summer for the period of 1950-2015 is investigated. It is shown that the intensification of the summer North Atlantic Oscillation (NAO) with significant changes in sea level pressure anomalies in the main centers of action (over Greenland and the British Isles) occurred while the North Atlantic was cooler. Sea surface temperature anomalies, which are linked to the AMO in the summer season, affect both the NAO index and fluctuations of the Eastern Atlantic/Western Russia (EAWR) centers of action. The positive (negative) phase of the AMO is characterized by a combination of negative (positive) values of the NAO and EAWR indices. The dominance of the opposite phases of the teleconnection indices in summer during the warm North Atlantic and in its colder period resulted in differences in the regional climate in Europe.

引用

页码：263 / 267

页数：5

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