The Cryosphere
The Cryosphere
TC
Articles | Volume 9, issue 1
Articles | Volume 9, issue 1
https://doi.org/10.5194/tc-9-229-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/tc-9-229-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 9, issue 1
Research article
 | 
06 Feb 2015
Research article |  | 06 Feb 2015

Snow depth mapping in high-alpine catchments using digital photogrammetry

Y. Bühler, M. Marty, L. Egli, J. Veitinger, T. Jonas, P. Thee, and C. Ginzler

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Short summary
We are able to map snow depth over large areas ( > 100km2) using airborne digital photogrammetry. Digital photogrammetry is more economical than airborne Laser Scanning but slightly less accurate. Comparisons to independent snow depth measurements reveal an accuracy of about 30cm. Spatial continuous mapping of snow depth is a major step forward compared to point measurements usually applied today. Limitations are steep slopes (> 50°) and areas covered by trees and scrubs.
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