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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Related subject area

Discipline: Snow | Subject: Greenland
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Cited articles

Adams, M. S., Bühler, Y., and Fromm, R.: Multitemporal Accuracy and Precision Assessment of Unmanned Aerial System Photogrammetry for Slope-Scale Snow Depth Maps in Alpine Terrain, Pure Appl. Geophys., 175, 3303–3324, https://doi.org/10.1007/s00024-017-1748-y, 2018. a, b
Albert, M. R. and Hawley, R. L.: Seasonal changes in snow surface roughness characteristics at Summit, Greenland: implications for snow and firn ventilation, Ann. Glaciol., 35, 510–514, 2002. a, b, c, d, e, f
Arthern, R. J., Winebrenner, D. P., and Vaughan, D. G.: Antarctic snow accumulation mapped using polarization of 4.3-cm wavelength microwave emission, J. Geophys. Res.-Atmos., 111, 1–10, https://doi.org/10.1029/2004JD005667, 2006. a
Baltsavias, E. P., Favey, E., Bauder, A., Bosch, H., and Pateraki, M.: Digital Surface Modelling by Airborne Laser Scanning and Digital Photogrammetry for Glacier Monitoring, Photogramm. Rec., 17, 243–273, https://doi.org/10.1111/0031-868X.00182, 2001. a, b
Basnet, K., Muste, M., Constantinescu, G., Ho, H.-C., and Xu, H.: Close range photogrammetry for dynamically tracking drifted snow deposition, Cold Reg. Sci. Technol., 121, 141–153, https://doi.org/10.1016/j.coldregions.2015.08.013, 2016. a, b, c, d
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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.