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Titel |
Technical Note: A new discrete ordinate first-order rotational Raman scattering radiative transfer model – implementation and first results |
VerfasserIn |
A. Kylling, B. Mayer, M. Blumthaler |
Medientyp |
Artikel
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Sprache |
Englisch
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ISSN |
1680-7316
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Digitales Dokument |
URL |
Erschienen |
In: Atmospheric Chemistry and Physics ; 11, no. 20 ; Nr. 11, no. 20 (2011-10-21), S.10471-10485 |
Datensatznummer |
250010138
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Publikation (Nr.) |
copernicus.org/acp-11-10471-2011.pdf |
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Zusammenfassung |
Rotational Raman scattering in the Earth's atmosphere explains the
filling-in of Fraunhofer lines in the solar spectrum.
A new model including first-order rotational Raman
scattering has been developed, based on a reimplementation of the
versatile discrete ordinate radiative transfer (DISORT) solver in the
C computer language. The solver is fully integrated in the freely
available libRadtran radiative transfer package.
A detailed description is given of the
model including the spectral resolution and a spectral interpolation
scheme that considerably speeds up the calculations. The model is used
to demonstrate the effect of clouds on top and bottom of the
atmosphere filling-in factors and differential optical depths. Cloud
effects on vertical profiles of the filling-in factor are also presented. The
spectral behaviour of the model is compared against
measurements under thunderstorm and aerosol loaded conditions. |
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