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Permanent link (DOI): https://doi.org/10.7939/R32Q0Q

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Hydrologic risk assessment framework for Alberta's green zone Open Access

Descriptions

Other title
Subject/Keyword
Streamflow
Variability
Hydrologic regime
Classification
Annual Hydrograph
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Wagner, Michael Johann
Supervisor and department
Silins, Uldis (Renewable Resources)
Examining committee member and department
Diiwu, John (Alberta Sustainable Resource Development - Forest Planning Section)
Hicks, Faye (Civil and Environmental Engineering)
Mendoza, Carl (Earth and Atmospheric Sciences)
Department
Department of Renewable Resources
Specialization

Date accepted
2010-09-27T19:41:24Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
In this dissertation, a hydrologic classification approach was tested using the shape factor of hydrographs to represent variation in streamflow regimes across Alberta. Hydrograph shape factor was effective at separating the forested landbase into 6 spatially distinct regions. Further statistical analysis of hydrometric data showed each region to have unique streamflow characteristics. Differences in physiography between regions were evident and strong associations were found between physical catchment characteristics and hydrologic variables describing streamflow magnitude and timing. In a case study, findings were used to define the regional natural range of hydrologic variation and applied into a watershed assessment tool evaluating the potential changes to streamflow regimes as a result of forest disturbance. This analysis showed that because of hydrologic variability among regions, spatial variation in sensitivity to harvest likely exists within the forested landbase, highlighting the need for development of regional criteria and indicators for sustainable management of water resources.
Language
English
DOI
doi:10.7939/R32Q0Q
Rights
License granted by Michael Wagner (michael.wagner@ualberta.ca) on 2010-09-27T18:32:14Z (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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