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Contribution of water vapor dimers to clear sky absorption of solar radiation

dc.contributor.authorChylek, P.en_US
dc.contributor.authorFu, Q.en_US
dc.contributor.authorTso, H. C. W.en_US
dc.contributor.authorGeldart, D. J. W.en_US
dc.date.accessioned2013-06-19T17:26:27Z
dc.date.available2013-06-19T17:26:27Z
dc.date.issued1999-03en_US
dc.description.abstractUsing previously derived-values of the water vapor dimer spectral absorption cross section we calculate the water vapor dimer contribution to the clear sky absorption of solar radiation. We consider the water dimer concentrations deduced from local equilibrium thermodynamics, and we account for the overlap of water vapor dimer and monomer absorption bands. We estimate that water vapor dimer contribution to the clear sky broad band column absorption of solar radiation is around 3 and 6 W/m2 for the cases of midlatitude summer and tropical atmosphere, respectively, at the solar zenith angle of 30. For the cases of midlatitude winter, the US standard atmosphere and subarctic winter atmosphere, the dimer contribution to the absorption of solar radiation is less than 1 W/m2. Due to an uncertainty of the dimer's concentration within clouds, we are not able to deduce, at this time, the dimer absorption in a cloudy atmosphereen_US
dc.identifier.citationChylek, P., Q. Fu, H. C. W. Tso, and D. J. W. Geldart. 1999. "Contribution of water vapor dimers to clear sky absorption of solar radiation." Tellus, Series A (Dynamic Meteorology and Oceanography) 51A(2): 304-13.en_US
dc.identifier.issn0280-6495en_US
dc.identifier.issue2en_US
dc.identifier.startpage304en_US
dc.identifier.urihttp://hdl.handle.net/10222/25110
dc.identifier.urihttp://dx.doi.org/10.1034/j.1600-0870.1999.t01-2-00010.x
dc.identifier.volume51en_US
dc.publisherSwedish Geophys. Socen_US
dc.relation.ispartofTellus, Series A (Dynamic Meteorology and Oceanography)en_US
dc.subjectAtmospheric humidityen_US
dc.subjectAtmospheric spectraen_US
dc.subjectSunlighten_US
dc.titleContribution of water vapor dimers to clear sky absorption of solar radiationen_US
dc.typearticleen_US

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