Synthetic aperture radar interferometry to measure Earth's surface topography and its deformation

被引:795
作者
Bürgmann, R
Rosen, PA
Fielding, EJ
机构
[1] Univ Calif Berkeley, Dept Geol & Geophys, Berkeley, CA 94720 USA
[2] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[3] Univ Oxford, Dept Earth Sci, Oxford OX1 3PR, England
关键词
remote sensing; crustal deformation; earthquakes; volcanoes; land subsidence; topography;
D O I
10.1146/annurev.earth.28.1.169
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Synthetic aperture radar interferometry (InSAR) from Earth-orbiting spacecraft provides a new tool to map global topography and deformation of the Earth's surface. Radar images taken from slightly different viewing directions allow the construction of digital elevation models of meter-scale accuracy. These data sets aid in the analysis and interpretation of tectonic and volcanic landscapes. If the Earth's surface deformed between two radar image acquisitions, a map of the surface displacement with tens-of-meters resolution and subcentimeter accuracy can be constructed. This review gives a basic overview of InSAR for Earth scientists and presents a selection of geologic applications that demonstrate the unique capabilities of InSAR for mapping the topography and deformation of the Earth.
引用
收藏
页码:169 / 209
页数:49
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