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L Rieg: Gravitative processes and permafrost - Detection and monitoring based on remote sensing data

Description

This presentation was held at the DUE Permafrost 2014 workshop, 12th of Febuary 2014, Frascati, Italy
Workshop: climate-cryosphere.org/meetings/due-permafrost-2014

 

Rieg, Lorenzo
Institute of Geography, University of Innsbruck, Innsbruck Austria
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The occurrence of gravitative processes in high mountain areas are often supposed to be associated with permafrost degradation. The decrease in permafrost distribution in many mountainous areas could therefore be followed by an increase in gravitative processes. To gain a better understanding of the relationship of permaforst degradation and gravitative processes, monitoring of permafrost as well as monitoring of the processes are helpful. In our study, we use optical satellite (Pleiades tri-stereo) data in combination with airborne laserscanning data to map and monitor rock falls, landslides and debris flows in several study areas in Austria and northern Italy, where permafrost is evident. The mapped processes are then further investigated considering the influence of permafrost on the occurrence of the processes and their hazard potential.

Keywords: Remote Sensing Airborne Laser Scanning Mountain Permafrost Climate Change Impacts Glacier Mass Balance

 

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