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Variations in atmosphere‐ocean solar absorption under clear skies: A comparison of observations and models
Author(s) -
Soden Brian J.,
Ramaswamy V.
Publication year - 1998
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/98gl01509
Subject(s) - atmosphere (unit) , solar constant , environmental science , absorption (acoustics) , atmospheric sciences , satellite , sky , water vapor , solar irradiance , climatology , meteorology , geology , physics , astronomy , optics
Satellite observations of the clear‐sky, atmosphere‐ocean solar absorption are compared to simulations from a global climate model. Variations in solar absorption are analyzed under conditions of constant solar geometry to highlight spatially coherent features. From this analysis, the observed zonal and interannual variability in clear‐sky solar absorption is shown to be substantially larger than that predicted by the model. Explanations for the greater observed variability are considered in terms of aerosols, surface wind effects, and water vapor.