A numerical procedure for computation of outgoing terrestrial flux based upon the Elsasser-Culbertson model with tests applied to model-atmosphere soundings
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Authors
Martin, F.L.
Tupaz, J.B.
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1968-07
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Abstract
A numerical procedure for the computation of emergent terrestrial flux has been developed after the model
described by Elsasser and Culbertson. By application of this procedure, a set of cmergent fluxes has been computed
for each of 63 soundings drawn from thc model atmosphercs devclopcd by Wark et al. The latter authors have also
made available for this study th? results of thcir radiative model for outgoing intensities. Both radiative models included
contributions from atmosphcric water vapor, carbon dioxidc, and ozone, as well as transmitted interfact,
(cloud or ground) cffects. Both sets of fluxes computcd for thc 63 model atmosphcrcs wcrc subjccted to a stepwiscscreening
multiple lincar rcgrcssion analysis, using cmpirically tested paramcters grossly representativc of the radiosondes.
In terms of thesc paramctcrs as independent variables, thc fluxes computcd by the radiative model of Wark
ct al. mcre spccificd in accordance with a multiple corrclation cocfficicnt of 0.98, whilc the fluxes computcd herc gavc
rise to a multiple correlation of 0.625. The chief reason advanccd for thc smaller statistical specification by thc present
model, as contrasted with that of Wark et al. is considered to be duc to the differing number of sounding levels used
in carrying out thc two sets of computation.
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Support by the Navy Weather Research Facility, and Naval Air Systems Command Project Famos is gratefully acknowledged.
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Monthly Weather Review, Vol. 96, No. 7, pp. 416-429, July 1968.
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This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.