ATMOSPHERIC DELAY COMPENSATION IN DIFFERENTIAL SAR INTERFEROMETRY FOR VOLCANIC DEFORMATION MONITORING - STUDY CASE: EL HIERRO

被引：4
|
作者：
Cong, Xiaoying [1 ]
Eineder, Michael [1 ]
Fritz, Thomas [1 ]
机构：
[1] Tech Univ Munich, D-80290 Munich, Germany
来源：
2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年
关键词：
SAR; volcano; deformation; tropospheric delay; TerraSAR-X;
D O I：
10.1109/IGARSS.2012.6350563
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 order to obtain the accurate ground deformation from SAR interferograms on volcanic areas, the signal propagation delay through the atmosphere needs to be considered. In this paper numerical weather model data are used to compensate the stratified atmospheric delay in test site El Hierro (Canary Islands). Three GPS stations, installed on the nearby Island, are selected for validating and evaluating the weather model data. Atmospheric phase screen from PS-estimation shows a good agreement with turbulence induced atmospheric effect.
引用
收藏
页码：3887 / 3890
页数：4
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