variations and free surface evolution in the Shallow Ice Approximation (SIA)

Ice sheets and glaciers constitute an enormous water storage, currently correspond-ing to a potential sea level rise of almost 70 meters if all ice was to melt completely. The ice sheets are dynamic components of the global climate system and numerical modeling is a useful tool that can help us unde...

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Main Author: Cecilia Håård
Other Authors: The Pennsylvania State University CiteSeerX Archives
Format: Text
Language:English
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Online Access:http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.593.8168
http://uu.diva-portal.org/smash/get/diva2:631306/FULLTEXT01.pdf
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spelling ftciteseerx:oai:CiteSeerX.psu:10.1.1.593.8168 2023-05-15T16:40:28+02:00 variations and free surface evolution in the Shallow Ice Approximation (SIA) Cecilia Håård The Pennsylvania State University CiteSeerX Archives application/pdf http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.593.8168 http://uu.diva-portal.org/smash/get/diva2:631306/FULLTEXT01.pdf en eng http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.593.8168 http://uu.diva-portal.org/smash/get/diva2:631306/FULLTEXT01.pdf Metadata may be used without restrictions as long as the oai identifier remains attached to it. http://uu.diva-portal.org/smash/get/diva2:631306/FULLTEXT01.pdf text ftciteseerx 2016-01-08T13:38:45Z Ice sheets and glaciers constitute an enormous water storage, currently correspond-ing to a potential sea level rise of almost 70 meters if all ice was to melt completely. The ice sheets are dynamic components of the global climate system and numerical modeling is a useful tool that can help us understand and predict how the ice sheets develop. The most accurate model available for ice sheets is given by the Stokes equations, but to solve them for a real ice sheet on a relevant time scale would be way too computationally costly. Instead approximations of the Stokes equations are used such as the Shallow Ice Approximation (SIA). The SIA is valid for areas where the aspect ratio , the ice thickness divided by the horizontal extent of the ice, is small. In this project equations for temperature and surface evolution were implemented in a Matlab version of SIA. The model already had algorithms implemented for computation of stresses, velocities and pressures for an ice sheet with fixed geometry and temperature. Implementation of temperature and free surface equations also Text Ice Sheet Unknown
institution Open Polar
collection Unknown
op_collection_id ftciteseerx
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description Ice sheets and glaciers constitute an enormous water storage, currently correspond-ing to a potential sea level rise of almost 70 meters if all ice was to melt completely. The ice sheets are dynamic components of the global climate system and numerical modeling is a useful tool that can help us understand and predict how the ice sheets develop. The most accurate model available for ice sheets is given by the Stokes equations, but to solve them for a real ice sheet on a relevant time scale would be way too computationally costly. Instead approximations of the Stokes equations are used such as the Shallow Ice Approximation (SIA). The SIA is valid for areas where the aspect ratio , the ice thickness divided by the horizontal extent of the ice, is small. In this project equations for temperature and surface evolution were implemented in a Matlab version of SIA. The model already had algorithms implemented for computation of stresses, velocities and pressures for an ice sheet with fixed geometry and temperature. Implementation of temperature and free surface equations also
author2 The Pennsylvania State University CiteSeerX Archives
format Text
author Cecilia Håård
spellingShingle Cecilia Håård
variations and free surface evolution in the Shallow Ice Approximation (SIA)
author_facet Cecilia Håård
author_sort Cecilia Håård
title variations and free surface evolution in the Shallow Ice Approximation (SIA)
title_short variations and free surface evolution in the Shallow Ice Approximation (SIA)
title_full variations and free surface evolution in the Shallow Ice Approximation (SIA)
title_fullStr variations and free surface evolution in the Shallow Ice Approximation (SIA)
title_full_unstemmed variations and free surface evolution in the Shallow Ice Approximation (SIA)
title_sort variations and free surface evolution in the shallow ice approximation (sia)
url http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.593.8168
http://uu.diva-portal.org/smash/get/diva2:631306/FULLTEXT01.pdf
genre Ice Sheet
genre_facet Ice Sheet
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op_relation http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.593.8168
http://uu.diva-portal.org/smash/get/diva2:631306/FULLTEXT01.pdf
op_rights Metadata may be used without restrictions as long as the oai identifier remains attached to it.
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