Articles | Volume 14, issue 11
The Cryosphere, 14, 4165–4180, 2020
https://doi.org/10.5194/tc-14-4165-2020
The Cryosphere, 14, 4165–4180, 2020
https://doi.org/10.5194/tc-14-4165-2020

Research article 24 Nov 2020

Research article | 24 Nov 2020

The influence of föhn winds on annual and seasonal surface melt on the Larsen C Ice Shelf, Antarctica

Jenny V. Turton et al.

Data sets

Subsets of the AMPS output UCAR https://www.earthsystemgrid.org/search.html?Project=AMPS

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Short summary
Föhn winds are warm and dry downslope winds in the lee of a mountain range, such as the Antarctic Peninsula. Föhn winds heat the ice of the Larsen C Ice Shelf at the base of the mountains and promote more melting than during non-föhn periods in spring, summer and autumn in both model output and observations. Especially in spring, when they are most frequent, föhn winds can extend the melt season by over a month and cause a similar magnitude of melting to that observed in summer.