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Observations and modeling of ice jam release events on the Hay River, NWT Open Access


Other title
Hay River
Ice Jam Release
Ice Jam
Type of item
Degree grantor
University of Alberta
Author or creator
Watson, David
Supervisor and department
Hicks, Faye (Civil and Environmental Engineering)
Examining committee member and department
Loewen, Mark (Civil and Environmental Engineering)
Myers, Paul (Earth and Athmospheric Science)
Department of Civil and Environmental Engineering

Date accepted
Graduation date
Master of Science
Degree level
The Town of Hay River experiences significant threats to life and property each spring as ice jam release events from upstream bring waves of ice and water to the town. The development of a forecasting tool for ice jam release events has been limited by insufficient data, especially regarding the speed of ice runs associated with ice jam release events. The purpose of this research was to document and analyze ice jam release events to provide the town warning of their potential timing and magnitude, and to contribute to general knowledge on ice jam release. Comprehensive field programs were undertaken from 2007 to 2009, and this new data was used to assess the River1D ice jam release forecasting model. Although the model showed reasonable approximations for wave arrival times for flood forecasting purposes, the predicted speeds and arrival times of ice runs did not agree very well with field observations.
License granted by David Watson ( on 2011-04-13T18:15:52Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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