Turton, JV, Kirchgaessner, A, Ross, AN orcid.org/0000-0002-8631-3512 et al. (2 more authors) (2020) The influence of föhn winds on annual and seasonal surface melt on the Larsen C Ice Shelf, Antarctica. The Cryosphere, 14 (11). pp. 4165-4180. ISSN 1994-0416
Abstract
<jats:p>Abstract. Warm, dry föhn winds are observed over the Larsen C
Ice Shelf year-round and are thought to contribute to the continuing
weakening and collapse of ice shelves on the eastern Antarctic Peninsula (AP). We
use a surface energy balance (SEB) model, driven by observations from two
locations on the Larsen C Ice Shelf and one on the remnants of Larsen B, in
combination with output from the Antarctic Mesoscale Prediction
System (AMPS), to investigate the year-round impact of föhn winds on the
SEB and melt from 2009 to 2012. Föhn winds have an impact on the individual
components of the surface energy balance in all seasons and lead to an
increase in surface melt in spring, summer and autumn up to 100 km away from
the foot of the AP. When föhn winds occur in spring they increase
surface melt, extend the melt season and increase the number of melt days
within a year. Whilst AMPS is able to simulate the percentage of melt days
associated with föhn with high skill, it overestimates the total amount
of melting during föhn events and non-föhn events. This study
extends previous attempts to quantify the impact of föhn on the Larsen C
Ice Shelf by including a 4-year study period and a wider area of interest
and provides evidence for föhn-related melting on both the Larsen C and
Larsen B ice shelves.
</jats:p>
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | © Author(s) 2020. This work is distributed under the Creative Commons Attribution 4.0 License. |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Earth and Environment (Leeds) > Inst for Climate & Atmos Science (ICAS) (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 26 Nov 2020 13:42 |
Last Modified: | 26 Nov 2020 13:42 |
Status: | Published |
Publisher: | Copernicus Publications |
Identification Number: | 10.5194/tc-14-4165-2020 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:168355 |