MONITORING PERMAFROST SOIL MOISTURE WITH MULTI-TEMPORAL TERRASAR-X DATA IN NORTHERN TIBET

被引：4
|
作者：
Wang, Chao [1 ]
Zhang, Hong [1 ]
Wu, Qingbai [2 ]
Zhang, Zhengjia [1 ]
Xie, Lei [1 ]
机构：
[1] Chinese Acad Sci, Inst Remote Sensing & Digital Earth, Key Lab Digital Earth, Beijing 100094, Peoples R China
[2] Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
来源：
2016 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2016年
基金：
中国国家自然科学基金;
关键词：
Permafrost; Soil Moisture; SAR; multi-mode; Tibet; SURFACE-ROUGHNESS; SAR DATA; RETRIEVAL;
D O I：
10.1109/IGARSS.2016.7729786
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：
Global change has significant impact on permafrost region in the Tibet Plateau. Soil moisture of permafrost is the important factor influencing the energy flux, ecosystem and hydrologic process. Synthetic aperture radar (SAR) provides us a powerful tool to monitor the soil moisture. In this study, 19 scenes of German TerraSAR-X data are used to retrieve the soil moisture in Beiluhe, Northern Tibet. The field campaign was performed on Aug. 12, 2015 and Mar. 8-13, 2016 during the TerraSAR-X overflight to acquire in situ soil parameters, together with the temperature and precipitation data from the weather station. Two approaches are proposed, one is based on time series observations, and the other is based on AIEM. Promising results are obtained.
引用
收藏
页码：3039 / 3042
页数：4
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