SOIL MOISTURE RETRIEVAL BY REMOTE SENSING AND MULTI-YEAR TREND ANALYSIS OF THE SOIL MOISTURE IN TIBETAN PLATEAU

被引：3
|
作者：
Liu, Qiang [1 ]
Shi, Jiancheng [1 ]
Du, Jinyang [1 ]
Zhang, Shenglei [1 ]
机构：
[1] Chinese Acad Sci, Inst Remote Sensing Applicat, Beijing 100101, Peoples R China
来源：
2012 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2012年
关键词：
Tibetan Plateau; soil moisture; Qp-model; VEGETATION;
D O I：
10.1109/IGARSS.2012.6351324
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 this paper, a hybrid algorithm of retrieving soil moisture is developed. This method assembles the single channel algorithm (SCA) and the Qp-model based soil moisture inversion algorithm. The new algorithm does not require soil surface roughness parameter. The accuracy evaluation of algorithm shows that the new method can provide accurate soil moisture estimate in Tibetan Plateau (TP). Based on eight years (2003 similar to 2010) soil moisture data, multi-year changing trend of soil moisture of the TP is analyzed. The spatial pattern of soil moisture changing trend basically coincides with the trend of precipitation of the meteorological sites.
引用
收藏
页码：1223 / 1226
页数：4
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