Movements of the earth's crust
SAR system provides the possibility to monitor vertical ground deformations on a large areas with a millimetre accuracy.
Currently available methods of satellite remote sensing provide very accurate information about the surface vertical deformations. SAR radars (Synthetic Aperture Radar) working on orbit gather the radar images of the Earth surface. A radar image can cover the area of even a thousands of square kilometres. Based on those images it is possible to determine the size of ground deformations of even a millimetre scale.
The use of SAR data makes it possible to monitor the ground deformations phenomena induced by human activities (e.g. by underground mining, site drainage, etc.) as well as natural deformations caused by neotectonic movements. Such monitoring becomes especially important in the areas where underground mining is conducted or where the infrastructure development is planned.
Important advantage of application of SAR systems in ground deformations monitoring is the availability of historical radar data since 1992. Throughout the years most of the Earth surface was covered even a hundreds times.
At SATIM we offer analysis of ground deformations based on the high-resolution space-borne and air-borne SAR data. The radar images can be processed by DInSAR and/or PSInSAR methods.
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