Voigt Line Approximation in the ECMWF Radiation Scheme

Giorgetta, Marco A.; Morcrette, J-J.

doi:10.1175/1520-0493(1995)123<3381:VLAITE>2.0.CO;2

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Voigt Line Approximation in the ECMWF Radiation Scheme

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Giorgetta, Marco A.
Climate Modelling, The Atmosphere in the Earth System, MPI for Meteorology, Max Planck Society;

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1520-0493%281995%29123%3C3381%3Avlaite%3E2.0.co%3B2.pdf
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Citation

Giorgetta, M. A., & Morcrette, J.-J. (1995). Voigt Line Approximation in the ECMWF Radiation Scheme. Monthly Weather Review, 123, 3381-3383. doi:10.1175/1520-0493(1995)123<3381:VLAITE>2.0.CO;2.

Cite as: https://hdl.handle.net/21.11116/0000-0004-68C4-A

Abstract

Abstract The vertical extension of a general circulation model generally requires a modification of the model's highly parameterized radiation scheme in order to include approximately the absorption by lines with a Voigt profile. For the European Centre for Medium-Range Weather Forecasts radiation scheme, a modification of the Lorentz line width provides a practical solution for this problem. Thus, the domain of this wideband radiation scheme is extended from the surface up to the mesopause.