An anisotropic ocean surface emissivity model based on a two-scale code tuned to WindSat polarimetric brightness observations

被引：0
|
作者：
Smith, Dean F. [1 ]
Weber, Bob L. [1 ]
Gasiewski, Albin J. [1 ]
机构：
[1] Univ Colorado, Ctr Environm Technol, NOAA CU, Boulder, CO 80309 USA
来源：
IGARSS: 2007 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM, VOLS 1-12: SENSING AND UNDERSTANDING OUR PLANET | 2007年
关键词：
ocean; emission; microwave; model; polarimetric; WindSat;
D O I：
10.1109/IGARSS.2007.4422953
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A full-Stokes vector model for the microwave emissivity of an anisotropic wind driven ocean surface based on measured satellite data and using a two-scale model for surface emission is being developed for the purpose of assimilation of satellite microwave radiances. The model is based on the Ohio State University two-scale code and tuned to WindSat full-Stokes emissivity data as analyzed by Meissner and Wentz. Several physical inconsistencies were corrected in the model. The tuned model results over a range of wind speeds from 0-20 m/sec show good agreement in the 0(th), 1(st), and 2(nd) azimuthal brightness temperature harmonics. A bias model for the tuned code was developed to account for residual discrepancies.
引用
收藏
页码：941 / 943
页数：3
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