The development and preservation of an arctic proglacial icing
Bibliography: p. 166-176 As glaciers retreat world-wide and ice-related geomorphological features disappear in response to climate change, the importance of understanding the repercussions of their melt on the hydrology and geomorphology of Arctic basins increases. This thesis focuses on the concept...
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ftunivcalgary:oai:prism.ucalgary.ca:1880/104951 2023-08-27T04:06:32+02:00 The development and preservation of an arctic proglacial icing Wainstein, Pablo Andres Moorman, Brian J. 2011 xv, 187 leaves : ill. 30 cm. application/pdf http://hdl.handle.net/1880/104951 https://doi.org/10.11575/PRISM/3950 eng eng University of Calgary Calgary Wainstein, P. A. (2011). The development and preservation of an arctic proglacial icing (Unpublished doctoral thesis). University of Calgary, Calgary, AB. doi:10.11575/PRISM/3950 http://dx.doi.org/10.11575/PRISM/3950 http://hdl.handle.net/1880/104951 University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission. doctoral thesis 2011 ftunivcalgary https://doi.org/10.11575/PRISM/3950 2023-08-06T06:36:38Z Bibliography: p. 166-176 As glaciers retreat world-wide and ice-related geomorphological features disappear in response to climate change, the importance of understanding the repercussions of their melt on the hydrology and geomorphology of Arctic basins increases. This thesis focuses on the conceptual and numerical modelling of Fountain Glacier proglacial icing located on Bylot Island, Nunavut. Emphasis is given to the understanding of the mechanisms involved in its annual regeneration and the glaciological and hydro-physical conditions responsible for its perennial preservation. Although it is known that glacial icings strongly interact with and depend on their adjacent glacier, there is still a lack of understanding concerning temporal relationships, hydrological feeding mechanisms and the glaciological conditions involved in their perennial preservation. The study of air photos, satellite imagery, topographical and geophysical surveys, ice coring and time lapse photogrammetry allowed a comprehensive understanding of the icing's hydrology and geomorphology, and their relationships with the glacier. Results suggest that there is a strong temporal relationship between Fountain Glacier and its proglacial icing. Glacial retreat has triggered important changes in the hydro-physical conditions of the proglacial valley and the icing. These have mainly resulted in thinning of the icing and relocation of the pro glacial springs through which the icing is fed by deep englacial and subglacial water. The morphology and hydraulics of the subglacial environment were also studied. Results point out that Fountain Glacier presents a well developed subglacial hydraulic network that allows the storage and effective conduction of water used in the regeneration of the icing. Evidence showed that the glacier has a favourable thermal regime which does not only allow the storage of pressurized water, but also its efficient conduction towards the outwash plain. Finally, the hydro-physical conditions of the proglacial valley and the ... Doctoral or Postdoctoral Thesis Arctic Arctic Bylot Island Climate change Nunavut PRISM - University of Calgary Digital Repository Arctic Bylot Island Fountain Glacier ENVELOPE(161.633,161.633,-77.683,-77.683) Nunavut |
institution |
Open Polar |
collection |
PRISM - University of Calgary Digital Repository |
op_collection_id |
ftunivcalgary |
language |
English |
description |
Bibliography: p. 166-176 As glaciers retreat world-wide and ice-related geomorphological features disappear in response to climate change, the importance of understanding the repercussions of their melt on the hydrology and geomorphology of Arctic basins increases. This thesis focuses on the conceptual and numerical modelling of Fountain Glacier proglacial icing located on Bylot Island, Nunavut. Emphasis is given to the understanding of the mechanisms involved in its annual regeneration and the glaciological and hydro-physical conditions responsible for its perennial preservation. Although it is known that glacial icings strongly interact with and depend on their adjacent glacier, there is still a lack of understanding concerning temporal relationships, hydrological feeding mechanisms and the glaciological conditions involved in their perennial preservation. The study of air photos, satellite imagery, topographical and geophysical surveys, ice coring and time lapse photogrammetry allowed a comprehensive understanding of the icing's hydrology and geomorphology, and their relationships with the glacier. Results suggest that there is a strong temporal relationship between Fountain Glacier and its proglacial icing. Glacial retreat has triggered important changes in the hydro-physical conditions of the proglacial valley and the icing. These have mainly resulted in thinning of the icing and relocation of the pro glacial springs through which the icing is fed by deep englacial and subglacial water. The morphology and hydraulics of the subglacial environment were also studied. Results point out that Fountain Glacier presents a well developed subglacial hydraulic network that allows the storage and effective conduction of water used in the regeneration of the icing. Evidence showed that the glacier has a favourable thermal regime which does not only allow the storage of pressurized water, but also its efficient conduction towards the outwash plain. Finally, the hydro-physical conditions of the proglacial valley and the ... |
author2 |
Moorman, Brian J. |
format |
Doctoral or Postdoctoral Thesis |
author |
Wainstein, Pablo Andres |
spellingShingle |
Wainstein, Pablo Andres The development and preservation of an arctic proglacial icing |
author_facet |
Wainstein, Pablo Andres |
author_sort |
Wainstein, Pablo Andres |
title |
The development and preservation of an arctic proglacial icing |
title_short |
The development and preservation of an arctic proglacial icing |
title_full |
The development and preservation of an arctic proglacial icing |
title_fullStr |
The development and preservation of an arctic proglacial icing |
title_full_unstemmed |
The development and preservation of an arctic proglacial icing |
title_sort |
development and preservation of an arctic proglacial icing |
publisher |
University of Calgary |
publishDate |
2011 |
url |
http://hdl.handle.net/1880/104951 https://doi.org/10.11575/PRISM/3950 |
long_lat |
ENVELOPE(161.633,161.633,-77.683,-77.683) |
geographic |
Arctic Bylot Island Fountain Glacier Nunavut |
geographic_facet |
Arctic Bylot Island Fountain Glacier Nunavut |
genre |
Arctic Arctic Bylot Island Climate change Nunavut |
genre_facet |
Arctic Arctic Bylot Island Climate change Nunavut |
op_relation |
Wainstein, P. A. (2011). The development and preservation of an arctic proglacial icing (Unpublished doctoral thesis). University of Calgary, Calgary, AB. doi:10.11575/PRISM/3950 http://dx.doi.org/10.11575/PRISM/3950 http://hdl.handle.net/1880/104951 |
op_rights |
University of Calgary graduate students retain copyright ownership and moral rights for their thesis. You may use this material in any way that is permitted by the Copyright Act or through licensing that has been assigned to the document. For uses that are not allowable under copyright legislation or licensing, you are required to seek permission. |
op_doi |
https://doi.org/10.11575/PRISM/3950 |
_version_ |
1775347428856168448 |