Eleven-year solar cycle signal throughout the lower atmosphere

被引：73

作者：

Coughlin, K ^{[1
]}

Tung, KK ^{[1
]}

机构：

[1] Univ Washington, Dept Appl Math, Seattle, WA 98195 USA

来源：

JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES | 2004年 / 109卷 / D21期

关键词：

solar cycle; climate signals;

D O I：

10.1029/2004JD004873

中图分类号：

P4 [大气科学（气象学）];

学科分类号：

0706 ; 070601 ;

摘要：

[ 1] A statistically significant atmospheric signal, which represents the influence of solar radiation changes on our climate, is found in global data ( 1958 - 2003). Using a nonlinear, nonstationary time series analysis, called empirical mode decomposition, it is shown that atmospheric temperatures and geopotential heights are composed of five global oscillations and a trend. The fourth mode is synchronized with the 11-year solar flux almost everywhere in the lower atmosphere. Statistical tests show that this signal is different from noise, indicating that there is enhanced warming in the troposphere during times of increased solar radiation.

引用

页码：D211051 / 7

页数：7

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