globalchange  > 全球变化的国际研究计划
DOI: 10.1029/2019GL083031
WOS ID: WOS:000483812500040
Title:
Fast-Forward to Perturbed Equilibrium Climate
Author: Saint-Martin, D.1; Geoffroy, O.1; Watson, L.1; Douville, H.1; Bellon, G.2; Voldoire, A.1; Cattiaux, J.1; Decharme, B.1; Ribes, A.1
Corresponding Author: Saint-Martin, D.
Source Publication: GEOPHYSICAL RESEARCH LETTERS
ISSN: 0094-8276
EISSN: 1944-8007
Publishing Year: 2019
Volume: 46, Issue:15, Pages:8969-8975
Language: 英语
WOS Keyword: MODEL INTERCOMPARISON PROJECT ; OCEAN-ATMOSPHERE MODEL ; EXPERIMENTAL-DESIGN ; SENSITIVITY ; CO2 ; IMPACTS
WOS Category: Geosciences, Multidisciplinary
WOS Research Area: Geology
English Abstract:

The equilibrium climate sensitivity, that is, the global-mean surface-air temperature change in response to a doubling of the carbon dioxide concentration is a widely used metric in climate change studies. Its exact value is rarely known because its estimation requires a long integration time of several thousand years. We propose a method to estimate an accurate value of the equilibrium response from fully coupled climate models at a reasonable computational cost. Using this method, our state-of-the-art climate model CNRM-CM6-1 reaches a stationary state after only few hundred of years of integration. This "Fast-Forward" method consists of an optimal two-step forcing pathway designed using the framework of a two-layer energy balance model. It can be applied easily to any coupled climate model.


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Document Type: 期刊论文
Identifier: http://119.78.100.158/handle/2HF3EXSE/145534
Appears in Collections:全球变化的国际研究计划

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Affiliation: 1.Univ Toulouse, CNRS, Meteo France, CNRM, Toulouse, France
2.Univ Auckland, Dept Phys, Auckland, New Zealand

Recommended Citation:
Saint-Martin, D.,Geoffroy, O.,Watson, L.,et al. Fast-Forward to Perturbed Equilibrium Climate[J]. GEOPHYSICAL RESEARCH LETTERS,2019-01-01,46(15):8969-8975
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