Articles | Volume 9, issue 3
The Cryosphere, 9, 1075–1087, 2015
https://doi.org/10.5194/tc-9-1075-2015
The Cryosphere, 9, 1075–1087, 2015
https://doi.org/10.5194/tc-9-1075-2015
Research article
21 May 2015
Research article | 21 May 2015

Unlocking annual firn layer water equivalents from ground-penetrating radar data on an Alpine glacier

L. Sold et al.

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Short summary
This study presents a method for estimating annual accumulation rates on a temperate Alpine glacier based on the interpretation of internal reflection horizons in helicopter-borne ground-penetrating radar (GPR) data. In combination with a simple model for firn densification and refreezing of meltwater, GPR can be used not only to complement existing mass balance monitoring programmes but also to retrospectively extend newly initiated time series.