NUMERICAL TECHNIQUE FOR SOLVING THE RADIATIVE-TRANSFER EQUATION FOR A SPHERICAL-SHELL ATMOSPHERE

被引:52
作者
HERMAN, BM
BEN-DAVID, A
THOME, KJ
机构
[1] UNIV ARIZONA, CTR OPT SCI, TUCSON, AZ 85721 USA
[2] SCI & TECHNOL CORP, EDGEWOOD, MD 21040 USA
关键词
SPHERICAL SHELL RADIATIVE TRANSFER; ATMOSPHERIC RADIATIVE TRANSFER;
D O I
10.1364/AO.33.001760
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
A method for numerically solving the equation of radiative transfer in a spherical shell atmosphere is presented. The method uses a conical boundary and a Gauss-Seidel iteration scheme to solve for all orders of scattering along a single radial line in the atmosphere. Tests of the model indicate an accuracy better than 1% for most Earth-atmosphere situations. Results from this model are compared with flat-atmosphere model results for a scattering-only atmosphere. These comparisons indicate that excluding spherical effects for solar zenith angles greater than 85-degrees leads to errors larger than 5% at optical depths as small as 0.10.
引用
收藏
页码:1760 / 1770
页数:11
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