A new present-day temperature parameterization for Greenland
ABSTRACT. Near-surface air temperature (2 m) over the Greenland ice sheet (GrIS) is parameterized using data from automatic weather stations located on land and on the ice sheet. The parameterization is expressed in terms of mean annual temperatures and mean July temperatures, both depending linearl...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.429.8759 2023-05-15T16:27:03+02:00 A new present-day temperature parameterization for Greenland Robert S. Fausto Andreas P. Ahlstrøm Dirk Van As Carl E. Bøggild Sigfus J. Johnsen The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.8759 http://www.igsoc.org/journal/55/189/t08J033.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.8759 http://www.igsoc.org/journal/55/189/t08J033.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.igsoc.org/journal/55/189/t08J033.pdf text ftciteseerx 2016-01-08T04:33:04Z ABSTRACT. Near-surface air temperature (2 m) over the Greenland ice sheet (GrIS) is parameterized using data from automatic weather stations located on land and on the ice sheet. The parameterization is expressed in terms of mean annual temperatures and mean July temperatures, both depending linearly on altitude, latitude and longitude. The temperature parameterization is compared to a previous study and is shown to be in better agreement with observations. The temperature parameterization is tested in a positive degree-day model to simulate the present (1996–2006) mean melt area extent of the GrIS. The model accounts for firn warming, rainfall and refreezing of meltwater, with different degree-day factors for ice and snow under warm and cold climate conditions. The simulated melt area extent is found to have reasonable agreement with satellite-derived observations. Text Greenland Ice Sheet Unknown Greenland |
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Open Polar |
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Unknown |
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ftciteseerx |
language |
English |
description |
ABSTRACT. Near-surface air temperature (2 m) over the Greenland ice sheet (GrIS) is parameterized using data from automatic weather stations located on land and on the ice sheet. The parameterization is expressed in terms of mean annual temperatures and mean July temperatures, both depending linearly on altitude, latitude and longitude. The temperature parameterization is compared to a previous study and is shown to be in better agreement with observations. The temperature parameterization is tested in a positive degree-day model to simulate the present (1996–2006) mean melt area extent of the GrIS. The model accounts for firn warming, rainfall and refreezing of meltwater, with different degree-day factors for ice and snow under warm and cold climate conditions. The simulated melt area extent is found to have reasonable agreement with satellite-derived observations. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
Robert S. Fausto Andreas P. Ahlstrøm Dirk Van As Carl E. Bøggild Sigfus J. Johnsen |
spellingShingle |
Robert S. Fausto Andreas P. Ahlstrøm Dirk Van As Carl E. Bøggild Sigfus J. Johnsen A new present-day temperature parameterization for Greenland |
author_facet |
Robert S. Fausto Andreas P. Ahlstrøm Dirk Van As Carl E. Bøggild Sigfus J. Johnsen |
author_sort |
Robert S. Fausto |
title |
A new present-day temperature parameterization for Greenland |
title_short |
A new present-day temperature parameterization for Greenland |
title_full |
A new present-day temperature parameterization for Greenland |
title_fullStr |
A new present-day temperature parameterization for Greenland |
title_full_unstemmed |
A new present-day temperature parameterization for Greenland |
title_sort |
new present-day temperature parameterization for greenland |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.8759 http://www.igsoc.org/journal/55/189/t08J033.pdf |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Ice Sheet |
genre_facet |
Greenland Ice Sheet |
op_source |
http://www.igsoc.org/journal/55/189/t08J033.pdf |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.429.8759 http://www.igsoc.org/journal/55/189/t08J033.pdf |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
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1766016085253947392 |