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学科:大气科学
DOI码:10.1029/2009GL038091
发表刊物:Geophysical Research Letters
摘要:The direct effect of condensate evaporation on atmospheric water vapor and its isotopic composition is assessed in a climate model. The model contains two parallel hydrologic cycles, an active one which influences the model physics and dynamics and a passive one which does not. Two model simulations are performed, one in which passive cloud and precipitation can evaporate and one in which they cannot. The active hydrologic cycles, and thus the simulated circulations and temperatures, are identical in both simulations. Eliminating passive condensate evaporation reduces the specific humidity in the passive cycle by around 5%; this reduction varies from a few percent to 25% of the control value, depending on location. Zonal mean water vapor in the lower and middle troposphere is enriched in HDO relative to the control case, and is depleted in the upper troposphere.
备注:Wright, J. S., A. H. Sobel and G. A. Schmidt
论文类型:期刊论文
学科门类:理学
一级学科:大气科学
卷号:36
期号:12
页面范围:L12804
是否译文:否
收录刊物:SCI
发布期刊链接:https://doi.org/10.1029/2009GL038091