Articles | Volume 15, issue 12
The Cryosphere, 15, 5513–5528, 2021
https://doi.org/10.5194/tc-15-5513-2021
The Cryosphere, 15, 5513–5528, 2021
https://doi.org/10.5194/tc-15-5513-2021
Research article
09 Dec 2021
Research article | 09 Dec 2021

Aerodynamic roughness length of crevassed tidewater glaciers from UAV mapping

Armin Dachauer et al.

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Latest update: 06 Jul 2022
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Short summary
This study investigated the aerodynamic roughness length (z0) – an important parameter to determine the surface roughness – of crevassed tidewater glaciers on Svalbard using drone data. The results point out that the range of z0 values across a crevassed glacier is large but in general significantly higher compared to non-crevassed glacier surfaces. The UAV approach proved to be an ideal tool to provide distributed z0 estimates of crevassed glaciers which can be used to model turbulent fluxes.