A RADAR-RADIOMETER SURFACE SOIL MOISTURE RETRIEVAL ALGORITHM FOR SMAP

被引：0
|
作者：
Akbar, Ruzbeh [1 ]
Moghaddam, Mahta [1 ]
机构：
[1] Univ So Calif, Viterbi Sch Engn, Los Angeles, CA 90095 USA
来源：
2013 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2013年
关键词：
Soil Moisture; SMAP; Radar; Radiometer;
D O I：
10.1109/IGARSS.2013.6721355
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 soil moisture retrieval algorithm is presented whereby both radar and radiometer measurements are used simultaneously in an optimization scheme to retrieve for surface soil moisture in the presence of vegetation. Further, using fine-resolution radar measurements, a disaggregated brightness temperature product at the radar resolution is developed to reconcile the spatial resolution discrepancy between the two measurements. Numerical simulations are performed to synthesize SMAP data, and then via the method of Simulated Annealing, optimization is accomplished to retrieve high resolution soil moisture.
引用
收藏
页码：1095 / 1098
页数：4
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