Statistics – Computation
Scientific paper
May 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998jqsrt..59..481l&link_type=abstract
Journal of Quantitative Spectroscopy and Radiative Transfer, Vol. 59, No. 3 - 5, p. 481 - 493
Statistics
Computation
12
Radiative Transfer: Earth Atmosphere
Scientific paper
The authors present a new technique for the fast computation of near-monochromatic atmospheric transmittances in the infrared, utilizing compressed look-up tables, that is well suited for nadir viewing satellite and airplane observations. The algorithm is very simple to use in radiative transfer codes and is easily adapted to provide analytic Jacobians of radiances. A Singular Value Decomposition (SVD) is used to transform very large monochromatic look-up tables of optical depths into a compressed representation that is approximately 73 times smaller. Temperature and pressure interpolations are performed in the compressed representation, resulting in significant savings in computation times. The resulting transmittances are as accurate as those computed with a line-by-line algorithm.
Benson Robert G.
de Souza-Machado S.
Hannon S. E.
Larrabee Strow L.
Motteler H. E.
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