Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica
We use 24 years (1992–2016) of high-quality meteorological observations at Neumayer Station, East Antarctica, to force a surface energy balance model. The modelled 24-year cumulative surface melt at Neumayer amounts to 1154 mm water equivalent (w.e.), with only a small uncertainty (±3 mm w.e.) from...
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ftawi:oai:epic.awi.de:49653 2024-09-15T17:42:12+00:00 Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica Jakobs, Constantijn L. Reijmer, Carleen Kuipers-Munneke, P. König-Langlo, Gert 2019 https://epic.awi.de/id/eprint/49653/ https://hdl.handle.net/10013/epic.8458f54b-6907-4c5d-8b5f-795e2f701c0d unknown Jakobs, C. L. , Reijmer, C. , Kuipers-Munneke, P. and König-Langlo, G. (2019) Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica , The Cryosphere, 13 , pp. 1473-1485 . doi:10.5194/tc-13-1473-2019 <https://doi.org/10.5194/tc-13-1473-2019> , hdl:10013/epic.8458f54b-6907-4c5d-8b5f-795e2f701c0d EPIC3The Cryosphere, 13, pp. 1473-1485 Article isiRev 2019 ftawi https://doi.org/10.5194/tc-13-1473-2019 2024-06-24T04:22:11Z We use 24 years (1992–2016) of high-quality meteorological observations at Neumayer Station, East Antarctica, to force a surface energy balance model. The modelled 24-year cumulative surface melt at Neumayer amounts to 1154 mm water equivalent (w.e.), with only a small uncertainty (±3 mm w.e.) from random measurement errors. Results are more sensitive to the chosen value for the surface momentum roughness length and new snow density, yielding a range of 900–1220 mm w.e. Melt at Neumayer occurs only in the months November to February, with a summer average of 50 mm w.e. and large interannual variability (σ=42 mm w.e.). This is a small value compared to an annual average (1992–2016) accumulation of 415±86 mm w.e. Absorbed shortwave radiation is the dominant driver of temporal melt variability at Neumayer. To assess the importance of the snowmelt–albedo feedback we include and calibrate an albedo parameterisation in the surface energy balance model. We show that, without the snowmelt–albedo feedback, surface melt at Neumayer would be approximately 3 times weaker, demonstrating how important it is to correctly represent this feedback in model simulations of surface melt in Antarctica. Article in Journal/Newspaper Antarc* Antarctica East Antarctica The Cryosphere Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) The Cryosphere 13 5 1473 1485 |
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Open Polar |
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Alfred Wegener Institute for Polar- and Marine Research (AWI): ePIC (electronic Publication Information Center) |
op_collection_id |
ftawi |
language |
unknown |
description |
We use 24 years (1992–2016) of high-quality meteorological observations at Neumayer Station, East Antarctica, to force a surface energy balance model. The modelled 24-year cumulative surface melt at Neumayer amounts to 1154 mm water equivalent (w.e.), with only a small uncertainty (±3 mm w.e.) from random measurement errors. Results are more sensitive to the chosen value for the surface momentum roughness length and new snow density, yielding a range of 900–1220 mm w.e. Melt at Neumayer occurs only in the months November to February, with a summer average of 50 mm w.e. and large interannual variability (σ=42 mm w.e.). This is a small value compared to an annual average (1992–2016) accumulation of 415±86 mm w.e. Absorbed shortwave radiation is the dominant driver of temporal melt variability at Neumayer. To assess the importance of the snowmelt–albedo feedback we include and calibrate an albedo parameterisation in the surface energy balance model. We show that, without the snowmelt–albedo feedback, surface melt at Neumayer would be approximately 3 times weaker, demonstrating how important it is to correctly represent this feedback in model simulations of surface melt in Antarctica. |
format |
Article in Journal/Newspaper |
author |
Jakobs, Constantijn L. Reijmer, Carleen Kuipers-Munneke, P. König-Langlo, Gert |
spellingShingle |
Jakobs, Constantijn L. Reijmer, Carleen Kuipers-Munneke, P. König-Langlo, Gert Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica |
author_facet |
Jakobs, Constantijn L. Reijmer, Carleen Kuipers-Munneke, P. König-Langlo, Gert |
author_sort |
Jakobs, Constantijn L. |
title |
Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica |
title_short |
Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica |
title_full |
Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica |
title_fullStr |
Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica |
title_full_unstemmed |
Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica |
title_sort |
quantifying the snowmelt–albedo feedback at neumayer station, east antarctica |
publishDate |
2019 |
url |
https://epic.awi.de/id/eprint/49653/ https://hdl.handle.net/10013/epic.8458f54b-6907-4c5d-8b5f-795e2f701c0d |
genre |
Antarc* Antarctica East Antarctica The Cryosphere |
genre_facet |
Antarc* Antarctica East Antarctica The Cryosphere |
op_source |
EPIC3The Cryosphere, 13, pp. 1473-1485 |
op_relation |
Jakobs, C. L. , Reijmer, C. , Kuipers-Munneke, P. and König-Langlo, G. (2019) Quantifying the snowmelt–albedo feedback at Neumayer Station, East Antarctica , The Cryosphere, 13 , pp. 1473-1485 . doi:10.5194/tc-13-1473-2019 <https://doi.org/10.5194/tc-13-1473-2019> , hdl:10013/epic.8458f54b-6907-4c5d-8b5f-795e2f701c0d |
op_doi |
https://doi.org/10.5194/tc-13-1473-2019 |
container_title |
The Cryosphere |
container_volume |
13 |
container_issue |
5 |
container_start_page |
1473 |
op_container_end_page |
1485 |
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1810488698034192384 |