A stochastic model for density-dependent microwave Snow- and Graupel scattering coefficients of the NOAA JCSDA community radiative transfer model

被引：18
|
作者：
Stegmann, Patrick G. [1 ]
Tang, Guanglin [1 ]
Yang, Ping [1 ]
Johnson, Benjamin T. [2 ]
机构：
[1] Texas A&M Univ, Dept Atmospher Sci, 3150 TAMU, College Stn, TX 77840 USA
[2] NOAA, Ctr Weather & Climate Predict, 5830 Univ Res Ct, College Pk, MD 20740 USA
来源：
JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2018年 / 211卷
关键词：
Snow; Graupel; CRTM; FDTD; Bicontinuous random medium; DISCRETE-DIPOLE APPROXIMATION; DIFFERENCE TIME-DOMAIN; MAXWELLS EQUATIONS; LIGHT-SCATTERING; ICE CRYSTALS; ELECTROMAGNETIC SCATTERING; PART I; SIMULATION; MICROSTRUCTURES; PARTICLES;
D O I：
10.1016/j.jqsrt.2018.02.026
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A structural model is developed for the single-scattering properties of snow and graupel particles with a strongly heterogeneous morphology and an arbitrary variable mass density. This effort is aimed to provide a mechanism to consider particle mass density variation in the microwave scattering coefficients implemented in the Community Radiative Transfer Model (CRTM). The stochastic model applies a bicontinuous random medium algorithm to a simple base shape and uses the Finite-Difference-Time-Domain (FDTD) method to compute the single-scattering properties of the resulting complex morphology. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：9 / 24
页数：16
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