Influence of the gasous atmosphere on solar fluxes of inhomogeneous clouds.

Scheirer, Ronald and Macke, Andreas (2000) Influence of the gasous atmosphere on solar fluxes of inhomogeneous clouds. Physics and Chemistry of The Earth Part B-Hydrology Oceans and Atmosphere, 25 (2). pp. 73-76. DOI 10.1016/S1464-1909(99)00125-2.

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The influence of spatially inhomogeneous water vapour distributions on the solar radiative fluxes of inhomogeneous clouds has been estimated by means of Monte Carlo radiative transfer calculations and line by line calculations for transmission at water vapour and oxygen. 96 cloud realizations obtained by the atmospheric model GESIMA have been considered for the following cases: 1) Clouds embedded in a 3d inhomogeneous gas atmosphere and 2) clouds embedded in a stratified gas atmosphere. The resulting differences in solar broadband radiative fluxes appear to be neglectable. Thus, a stratified gaseous atmosphere seems sufficiently adequate for solar radiative transfer calculations. The reasons for these small differences are basically due to the strong correlation between cloud optical thickness and water vapour density as produced by the cloud model used in this study.

Document Type: Article
Keywords: atmospheric model GESIMA
Research affiliation: OceanRep > GEOMAR > FB1 Ocean Circulation and Climate Dynamics > FB1-ME Maritime Meteorology
Refereed: Yes
Open Access Journal?: No
DOI etc.: 10.1016/S1464-1909(99)00125-2
ISSN: 1464-1909
Date Deposited: 18 Feb 2008 17:24
Last Modified: 03 Jan 2017 08:52

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