Articles | Volume 15, issue 10
https://doi.org/10.5194/tc-15-4873-2021
https://doi.org/10.5194/tc-15-4873-2021
Research article
 | 
19 Oct 2021
Research article |  | 19 Oct 2021

Local-scale deposition of surface snow on the Greenland ice sheet

Alexandra M. Zuhr, Thomas Münch, Hans Christian Steen-Larsen, Maria Hörhold, and Thomas Laepple

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Latest update: 16 Apr 2024
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Short summary
Firn and ice cores are used to infer past temperatures. However, the imprint of the climatic signal in stable water isotopes is influenced by depositional modifications. We present and use a photogrammetry structure-from-motion approach and find variability in the amount, the timing, and the location of snowfall. Depositional modifications of the surface are observed, leading to mixing of snow from different snowfall events and spatial locations and thus creating noise in the proxy record.