An Estimate of Equilibrium Climate Sensitivity From Interannual Variability
An Estimate of Equilibrium Climate Sensitivity From Interannual Variability
复制标题
根据年际变化估计平衡气候敏感性
DOI:
10.1029/2018jd028481
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发表时间:
2018
期刊:
影响因子:
--
通讯作者:
Forster, P. M.
中科院分区:
文献类型:
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作者:
Dessler, A. E.;Forster, P. M.
Estimating the equilibrium climate sensitivity (ECS; the equilibrium warming in response to a doubling of CO2) from observations is one of the big problems in climate science. Using observations of interannual climate variations covering the period 2000 to 2017 and a model‐derived relationship between interannual variations and forced climate change, we estimate that ECS islikely2.4–4.6 K (17–83% confidence interval), with a mode and median value of 2.9 and 3.3 K, respectively. This analysis provides no support for low values of ECS (below 2 K) suggested by other analyses. The main uncertainty in our estimate is not observational uncertainty but rather uncertainty in converting observations of short term, mainly unforced climate variability to an estimate of the response of the climate system to long‐term forced warming.
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Journal of Geophysical Research: Atmospheres
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