SOIL MOISTURE RETRIEVAL UNDER AGRICULTURAL VEGETATION USING FULLY POLARIMETRIC SAR

被引：6

作者：

Jagdhuber, Thomas ^{[1
]}

Hajnsek, Irena ^{[1
]}

Papathanassiou, Konstantinos P. ^{[1
]}

Bronstert, Axel

机构：

[1] German Aerosp Ctr, Microwaves & Radar Inst, D-82234 Wessling, Germany

来源：

2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年

关键词：

SAR polarimetry; L-band; soil moisture estimation; hybrid decomposition; agriculture;

D O I：

10.1109/IGARSS.2012.6351254

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：

Soil moisture retrieval under agricultural vegetation is assessed by a hybrid decomposition and inversion algorithm using fully polarimetric SAR data of DLR's E-SAR system at L-band. The results for the AgriSAR and SARTEO campaigns, conducted in 2006 and 2008 within the Peene and the Rur catchment, reveal a very high inversion rate leading to a spatially continuous inversion along the entire growth cycle in agricultural areas. The validation with in situ measurements for a variety of summer and winter crops states a root mean square error of 6.25vol.% and 5.77vol.% respectively, while a wide moisture range (similar to 2-30vol.%) is covered by the soil moisture inversion under vegetation.

引用

页码：1481 / 1484

页数：4

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