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Proceedings Paper

Atmospheric Transmittance And Radiance Calculations Using Line-By-Line Computer Models
Author(s): D. P. Edwards
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Paper Abstract

A description is given of the basic elements of a line-by-line computer model with particular reference to a new transmittance/radiance code GENLN2 currently being developed. Calculations may be performed for a multi-layered atmosphere of mixed gases and for different viewing geometries. The main problems associated with line-by-line calculations are concerned with line shape and continuum absorption, the treatment of lines outside the given spectral range, and the way in which spectral sampling is performed. These are considered together with methods of improving speed of computation in general. Results and intercomparisons from different applications of the technique are presented.

Paper Details

Date Published: 24 August 1988
PDF: 24 pages
Proc. SPIE 0928, Modeling of the Atmosphere, (24 August 1988); doi: 10.1117/12.975622
Show Author Affiliations
D. P. Edwards, Robert Hooke Institute for Cooperative Atmospheric Research (United Kingdom)


Published in SPIE Proceedings Vol. 0928:
Modeling of the Atmosphere
Laurence S. Rothman, Editor(s)

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