The relationship between ERS-2 SAR backscatter and soil moisture: generalization from a humid to semi-arid transect

被引:62
作者
Shoshany, M [1 ]
Svoray, T
Curran, PJ
Foody, GM
Perevolotsky, A
机构
[1] Bar Ilan Univ, Dept Geog, IL-52900 Ramat Gan, Israel
[2] Minist Agr, Dept Soil Survey Land Evaluat & Remote Sensing, IL-61570 Tel Aviv, Israel
[3] Univ Southampton, Dept Geog, Southampton SO17 1BJ, Hants, England
关键词
D O I
10.1080/01431160050029620
中图分类号
TP7 [遥感技术];
学科分类号
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要
A linear relationship between ERS-2 SAR backscattering coefficient (sigma(0)) and volumetric soil moisture was determined at both ends of a rainfall gradient in Israel. A Normalized radar Blackscatter soil Moisture Index (NBMI) was derived and related strongly to soil moisture concentration. This index may allow the mapping of soil moisture conditions over large areas with C band SAR data.
引用
收藏
页码:2337 / 2343
页数:7
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