ESTIMATING SOIL HYDRAULIC PROPERTIES USING L-BAND RADIOMETER AND GROUND-PENETRATING RADAR

被引：0
|
作者：
Jonard, F. [1 ]
Weihermueller, L. [1 ]
Schwank, M. [1 ]
Jadoon, K. Z. [1 ]
Vereecken, H. [1 ]
Lambot, S. [1 ]
机构：
[1] Res Ctr Julich, Inst Bio & Geosci, Julich, Germany
来源：
2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年
关键词：
L-band radiometer; GPR; soil hydraulic parameters; soil water content; inverse modeling; MOISTURE;
D O I：
10.1109/IGARSS.2012.6351467
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：
In this study, we experimentally analyze the feasibility of estimating the soil hydraulic properties from L-band radiometer and ground-penetrating radar (GPR) data. L-band radiometer and ultrawideband off-ground GPR measurements were performed above a sand box in hydrostatic equilibrium with a water table located at different depths. The results of the inversions showed that the radar and radiometer signals contain sufficient information to estimate the soil water retention curve and its related hydraulic parameters with a relatively good accuracy compared to time-domain reflectometry estimates. However, an accurate estimation of the hydraulic parameters was only obtained by considering the saturated water content parameter as known during the inversion.
引用
收藏
页码：706 / 709
页数：4
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