CONSIDERATIONS FOR DERIVATION AND USE OF SOIL MOISTURE DATA FROM ACTIVE MICROWAVE SATELLITES AT HIGH LATITUDES

被引：7
|
作者：
Bartsch, A. [1 ]
Sabel, D. [1 ]
Wagner, W. [1 ]
Park, S. -E. [2 ]
机构：
[1] Vienna Univ Technol, Inst Photogrammetry & Remote Sensing, Vienna, Austria
[2] Niigata Univ, Grad Sch Sci & Technol, Niigata 95021, Japan
来源：
2011 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS) | 2011年
基金：
奥地利科学基金会;
关键词：
soil moisture; arctic; active microwave; SAR; scatterometer; ERS SCATTEROMETER; BACKSCATTER; RADAR;
D O I：
10.1109/IGARSS.2011.6049882
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 is an import parameter for high latitude research focusing on carbon exchange and permafrost issues. This paper reviews requirements, constrains and possibilities of satellite derived soil moisture data for high latitude applications. Major points are freezing and thawing, and landscape heterogeneity. Special focus is on data derived from ENVISAT ASAR. The different ScanSAR modes (wide swath and global monitoring mode) can be used to address various issues. Sensitivity over tundra at this wavelength is similar to semi-arid regions in mediterranean and subtropic climates.
引用
收藏
页码：3132 / 3135
页数：4
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