Pattern decomposition of the transient climate response

被引:15
作者
Geoffroy, Olivier [1 ]
Saint-Martin, David [1 ]
机构
[1] Ctr Natl Rech Meteorol CNRM GAME, Toulouse, France
来源
TELLUS SERIES A-DYNAMIC METEOROLOGY AND OCEANOGRAPHY | 2014年 / 66卷
关键词
transient regional response; pattern scaling; energy balance model; climate sensitivity; ocean heat uptake; MODEL; DISTRIBUTIONS; SCENARIOS; CO2;
D O I
10.3402/tellusa.v66.23393
中图分类号
P4 [大气科学(气象学)];
学科分类号
0706 ; 070601 ;
摘要
A two-pattern decomposition of the mean surface air temperature response to an increase of CO2 is assessed. This decomposition is based on a two-layer global energy-balance model and the hypothesis of separability in space and time. It is shown that this decomposition allows the regional transient warming of a given atmosphere-ocean general circulation model to be well represented. The pattern decomposition is applied to 16 CMIP5 climate models and each of the two retrieved patterns - the equilibrium pattern and the pattern associated with the deep-ocean heat uptake - is described and discussed.
引用
收藏
页数:7
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