Abstract
The Sentinel-1 Satellite (S-1) of ESA's Copernicus Mission delivers freely available C-Band Synthetic Aperture Radar (SAR) data that are suited for interferometric applications (InSAR). The high geometric resolution of less than fifteen meter and the large coverage offered by the Interferometric Wide Swath mode (IW) point to new perspectives on the comprehension and understanding of surface changes, the quantification and monitoring of dynamic processes, especially in arid regions.
Highlights
Introduction and ObjectivesFluvial activity is one of the most important actuating variables for the morphodynamics of arid regions
The time series data of S-1 and of L-8 (OLI) were visually analyzed and changes of the features were qualitatively interpreted in context of the weather data and the topographic setting
In this study Sentinel-1 (S-1) time series data were used for the detection of surface changes induced by fluvial activity in the arid region of Damghan Playa, Iran
Summary
Introduction and ObjectivesFluvial activity is one of the most important actuating variables for the morphodynamics of arid regions. The fluvial events usually show a low frequency but a high magnitude and concentrate on strong single events in a particular time of the year. These events can have major impact on the surface morphology and can modify the shape of the earth via erosion and accumulation processes. One further promising remote sensing tool to reveal fluvial morphodynamic in general and channel activity in particular is provided by imaging Synthetic Aperture Radar (SAR) Systems. CCD is known to be a very sensitive technique to reveal surface disturbances and changes on sub-pixel level and the technique has potential to indicate variations that are not detectable by multi-spectral, optical or SAR intensity data alone. Further work that investigated the CCD for the detection of morphodynamic
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