A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship
. A finite-element solution of the time-dependent mass-continuity equation for column-averaged ice sheet flow and sliding is applied to the Antarctic Ice Sheet. First a calibration of the model to the steady-state present ice sheet configuration is presented. With fitted values of the parameters des...
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ftciteseerx:oai:CiteSeerX.psu:10.1.1.52.8503 2023-05-15T13:48:49+02:00 A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship James L. Fastook Mike Prentice The Pennsylvania State University CiteSeerX Archives 1994 application/postscript http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.52.8503 http://www.umcs.maine.edu/~shamis/papers/sensitive/sensitive.ps en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.52.8503 http://www.umcs.maine.edu/~shamis/papers/sensitive/sensitive.ps Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://www.umcs.maine.edu/~shamis/papers/sensitive/sensitive.ps text 1994 ftciteseerx 2016-01-08T10:04:46Z . A finite-element solution of the time-dependent mass-continuity equation for column-averaged ice sheet flow and sliding is applied to the Antarctic Ice Sheet. First a calibration of the model to the steady-state present ice sheet configuration is presented. With fitted values of the parameters describing the regions of sliding, the degree of bed coupling, and the ice hardness, a change in the mean annual sea-level temperature is used to simulate variation of the climatic conditions over Antarctica for both warming and cooling of the climate. Paradoxically a climate warming of up to 9 degrees leads to an increase in ice volume, while cooling leads to decreasing ice volume as long as the present margins of Antarctica are maintained. Some extreme simulations of the Antarctic Ice Sheet for "maximum over-riding" and "minimum warm-climate" are shown for situations where the present bed conditions are altered. Finally a time-dependent simulation shows the response of the ice sheet system to. Text Antarc* Antarctic Antarctica Ice Sheet Unknown Antarctic The Antarctic |
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ftciteseerx |
language |
English |
description |
. A finite-element solution of the time-dependent mass-continuity equation for column-averaged ice sheet flow and sliding is applied to the Antarctic Ice Sheet. First a calibration of the model to the steady-state present ice sheet configuration is presented. With fitted values of the parameters describing the regions of sliding, the degree of bed coupling, and the ice hardness, a change in the mean annual sea-level temperature is used to simulate variation of the climatic conditions over Antarctica for both warming and cooling of the climate. Paradoxically a climate warming of up to 9 degrees leads to an increase in ice volume, while cooling leads to decreasing ice volume as long as the present margins of Antarctica are maintained. Some extreme simulations of the Antarctic Ice Sheet for "maximum over-riding" and "minimum warm-climate" are shown for situations where the present bed conditions are altered. Finally a time-dependent simulation shows the response of the ice sheet system to. |
author2 |
The Pennsylvania State University CiteSeerX Archives |
format |
Text |
author |
James L. Fastook Mike Prentice |
spellingShingle |
James L. Fastook Mike Prentice A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship |
author_facet |
James L. Fastook Mike Prentice |
author_sort |
James L. Fastook |
title |
A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship |
title_short |
A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship |
title_full |
A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship |
title_fullStr |
A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship |
title_full_unstemmed |
A Finite-element Model of Antarctica: Sensitivity Test for Meteorological Mass Balance Relationship |
title_sort |
finite-element model of antarctica: sensitivity test for meteorological mass balance relationship |
publishDate |
1994 |
url |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.52.8503 http://www.umcs.maine.edu/~shamis/papers/sensitive/sensitive.ps |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica Ice Sheet |
genre_facet |
Antarc* Antarctic Antarctica Ice Sheet |
op_source |
http://www.umcs.maine.edu/~shamis/papers/sensitive/sensitive.ps |
op_relation |
http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.52.8503 http://www.umcs.maine.edu/~shamis/papers/sensitive/sensitive.ps |
op_rights |
Metadata may be used without restrictions as long as the oai identifier remains attached to it. |
_version_ |
1766249811270434816 |