The Role of Water Vapour in Earth's Energy Flows

被引：50
作者：
Allan, Richard P. [1 ]
机构：
[1] Univ Reading, Dept Meteorol, Natl Ctr Atmospher Sci, Reading, Berks, England
来源：
SURVEYS IN GEOPHYSICS | 2012年 / 33卷 / 3-4期
基金：
英国自然环境研究理事会;
关键词：
Water vapour; Hydrological cycle; Radiative processes; Climate; HYDROLOGICAL CYCLE; CLIMATE MODELS; PRECIPITATION; HUMIDITY; CO2; TROPOSPHERE; DEPENDENCE; INCREASES; RADIATION;
D O I：
10.1007/s10712-011-9157-8
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
Water vapour modulates energy flows in Earth's climate system through transfer of latent heat by evaporation and condensation and by modifying the flows of radiative energy both in the longwave and shortwave portions of the electromagnetic spectrum. This article summarizes the role of water vapour in Earth's energy flows with particular emphasis on (1) the powerful thermodynamic constraint of the Clausius Clapeyron equation, (2) dynamical controls on humidity above the boundary layer (or free-troposphere), (3) uncertainty in continuum absorption in the relatively transparent "window" regions of the radiative spectrum and (4) implications for changes in the atmospheric hydrological cycle.
引用
收藏
页码：557 / 564
页数：8
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