Sensitivity of northern hemisphere surface climate to simulation of the stratospheric polar vortex

被引：55
|
作者：
Norton, WA [1 ]
机构：
[1] Univ Oxford, Oxford OX1 3PU, England
来源：
GEOPHYSICAL RESEARCH LETTERS | 2003年 / 30卷 / 12期
关键词：
ARCTIC OSCILLATION; TROPOSPHERIC RESPONSE; MODEL; CIRCULATION; CONNECTION; WEATHER;
D O I：
10.1029/2003GL016958
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
[1] A sensitivity experiment has been performed with a stratosphere-resolving GCM where the mean state and variability of the stratosphere have been altered. It is shown that this has a significant effect on the mean and variability of wintertime northern hemisphere surface climate. In particular it is shown that the stratosphere strongly contributes to the persistence of the surface Arctic Oscillation at lags of 10 - 25 days. This confirms the importance of the stratosphere on surface climate that has been inferred by recent studies examining the Arctic Oscillation in reanalysis datasets.
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页数：4
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