Monitoring Snow Avalanches Activities Inferred from Sentinel-1 SAR Images at Regional Scale
Karas, Anna ; Karbou, Fatima ; Eckert, Nicolas ; Giffard-Roisin, Sophie ; Durand, Philippe
This article discusses the issue of snow avalanches monitoring at regional scale in the French Alps using SAR observations from Sentinel-1. A color space segmentation technique applied to SAR image time series has recently been used to detect areas of avalanche debris and successfully evaluated in the Swiss Alps. The objective of this paper is to generalize the detection of avalanche debris to all the French massifs and to develop indicators derived from our satellite product Sentinel-1 that can provide information about the avalanche activity at the spatial scale of the massifs. Evaluations are also planned using model outputs, in-situ measurements and very high resolution optical satellite observations.</p> C3 - 2021 IEEE International Geoscience and Remote Sensing Symposium IGARSS
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