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Intensity of Hydrological Cycles in Warmer Climates
Author(s) -
Fanlin Yang,
Arun Kumar,
Michael E. Schlesinger,
Wanqiu Wang
Publication year - 2003
Publication title -
journal of climate
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.315
H-Index - 287
eISSN - 1520-0442
pISSN - 0894-8755
DOI - 10.1175/2779.1
Subject(s) - water cycle , environmental science , climatology , precipitation , climate model , atmosphere (unit) , atmospheric sciences , intensity (physics) , troposphere , radiative transfer , climate change , meteorology , geology , oceanography , geography , ecology , physics , quantum mechanics , biology
The fact that the surface and tropospheric temperatures increase with increasing CO2 has been well documented by numerical model simulations; however, less agreement is found for the changes in the intensity of precipitation and the hydrological cycle. Here, it is demonstrated that while both the radiative heating by increasing CO2 and the resulting higher sea surface temperatures contribute to warm the atmosphere, they act against each other in changing the hydrological cycle. As a consequence, in a warmer climate forced by increasing CO2 the intensity of the hydrological cycle can be either more or less intense depending upon the degree of surface warming.

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