Articles | Volume 8, issue 6
The Cryosphere, 8, 2275–2291, 2014
https://doi.org/10.5194/tc-8-2275-2014
The Cryosphere, 8, 2275–2291, 2014
https://doi.org/10.5194/tc-8-2275-2014
Research article
10 Dec 2014
Research article | 10 Dec 2014

Glacier topography and elevation changes derived from Pléiades sub-meter stereo images

E. Berthier et al.

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Short summary
We evaluate the potential of Pléiades sub-meter satellite stereo imagery to derive digital elevation models (DEMs) of glaciers and their elevation changes. The vertical precision of the DEMs is ±1 m, even ±0.5m on the flat glacier tongues. Similar precision levels are obtained in accumulation areas. Comparison of a Pléiades DEM with a SPOT5 DEM reveals the strongly negative region-wide mass balances of glaciers in the Mont Blanc area (-1.04±0.23m at 1 water equivalent) during 2003-2012.