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
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
收藏
页码:1481 / 1484
页数:4
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