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Permanent link (DOI): https://doi.org/10.7939/R3XW3B

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Overflow on the Mackenzie Delta sea ice surface and the hydraulics of strudel flows Open Access

Descriptions

Other title
Subject/Keyword
overflow
Mackenzie Delta
strudel
upwelling
jet
bottomfast ice
vortex
scour
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Bélanger, Maxime
Supervisor and department
Loewen, Mark (Civil and Environmental Engineering)
Hicks, Faye (Civil and Environmental Engineering)
Examining committee member and department
Sharp, Martin (Earth and Atmospheric Sciences)
Loewen, Mark (Civil and Environmental Engineering)
Hicks, Faye (Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization

Date accepted
2010-08-20T16:57:52Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
The main objective of this study was to describe the overflow of freshwater onto the sea ice surface in the Mackenzie Delta and to investigate the hydraulic behaviour of the upwelling and strudel events. This study was performed from the analysis of data collected during field investigations, from satellite images and from experimental laboratory studies. A forecasting method using the water level in the Mackenzie River was formulated to predict the overflow initiation about five days before its occurrence. The physical modelling of a strudel flow through a circular hole established a relation between the overflow depth and the discharge coefficient. Velocity measurements of the free-surface vortex using an Acoustic Doppler Velocimeter found that velocities at the vortex’s core were influenced by its vorticity. Finally, predictions of maximum strudel scour, which are of great importance for the determination of burial depth of pipelines, were predicted from published impinging jet experiments.
Language
English
DOI
doi:10.7939/R3XW3B
Rights
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 these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before 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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File title: 2010 08 12 - CRIPE - Appendix E.pdf
File title: Microsoft Word - 20100816 - Belanger Thesis.docx
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