INSAR DEFORMATION TIME SERIES ANALYSIS USING SMALL-BASELINE APPROACH

被引：3
|
作者：
Li, Yongsheng [1 ,2 ]
Zhang, Jingfa [2 ]
Luo, Yi [2 ]
Gong, Lixia [2 ]
机构：
[1] China Earthquake Adm, Inst Engn Mech, Harbin 150080, Peoples R China
[2] China Earthquake Adm, Inst Crustal Dynam, Beijing 100085, Peoples R China
来源：
2013 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2013年
关键词：
Yangbajing geothermal; subsidence; SBAS InSAR; time series; SUBSIDENCE; ALGORITHM;
D O I：
10.1109/IGARSS.2013.6723033
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：
The crustal activities in Dangxiong basin are frequent and a great deal of geothermal energy is converged under the surface. The geothermic resources are used through the exploitation of underground water. Over-extraction of underground fluids causes the subsidence in the geothermal fields. We present the application of small-baseline InSAR time series method to monitor the land surface subsidence and spatial-temporal evolution in Yangbajing. Our data consists of 24 ASAR images acquired from ENVISAT satellite, spanning a time interval from Oct 2006 to Aug 2010. The results show that the maximum surface subsidence rate of the geothermal region is up to 15 mm/yr whilst subsidence rate in other fields is approximately 6 mm/yr.
引用
收藏
页码：1352 / 1355
页数：4
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