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DOI | 10.1029/2021GL092462 |
Dependence of Climate Sensitivity on the Given Distribution of Relative Humidity | |
S. Bourdin; L. Kluft; B. Stevens | |
2021-04-06 | |
发表期刊 | Geophysical Research Letters |
出版年 | 2021 |
英文摘要 | We study how the vertical distribution of relative humidity (RH) affects climate sensitivity, even if it remains unchanged with warming. Using a radiative‐convective equilibrium model, we show that the climate sensitivity depends on the shape of a fixed vertical distribution of humidity, tending to be higher for atmospheres with higher humidity. We interpret these effects in terms of the effective emission height of water vapor. Differences in the vertical distribution of RH are shown to explain a large part of the 10% to 30% differences in clear‐sky sensitivity seen in climate and storm‐resolving models. The results imply that convective aggregation reduces climate sensitivity, even when the degree of aggregation does not change with warming. Combining our findings with relative humidity trends in reanalysis data shows a tendency toward Earth becoming more sensitive to forcing over time. These trends and their height variation merit further study. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/322027 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | S. Bourdin,L. Kluft,B. Stevens. Dependence of Climate Sensitivity on the Given Distribution of Relative Humidity[J]. Geophysical Research Letters,2021. |
APA | S. Bourdin,L. Kluft,&B. Stevens.(2021).Dependence of Climate Sensitivity on the Given Distribution of Relative Humidity.Geophysical Research Letters. |
MLA | S. Bourdin,et al."Dependence of Climate Sensitivity on the Given Distribution of Relative Humidity".Geophysical Research Letters (2021). |
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