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
收藏
页码：1481 / 1484
页数：4
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