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Permanent link (DOI): https://doi.org/10.7939/R3H041

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Response of RADAR Backscatter at Multiple Frequencies and Polarizations to Changing Snow and Ice Properties on a Temperate Saline Lake Open Access

Descriptions

Other title
Subject/Keyword
RADAR
SAR
Miquelon Lake
sea ice
CoReH2O
backscatter
snow
TerraSAR-X
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Beckers, Justin F.
Supervisor and department
Haas, Christian (Earth & Atmospheric Sciences/Physics)
Examining committee member and department
Hicks, Faye (Civil and Environmental Engineering)
Sharp, Martin (Earth and Atmospheric Sciences)
Department
Department of Earth and Atmospheric Sciences
Specialization

Date accepted
2012-03-29T09:54:01Z
Graduation date
2012-06
Degree
Master of Science
Degree level
Master's
Abstract
Currently there is a lack of knowledge regarding the distribution of the mass of snow, or snow water equivalence, over land and ice. The proposed CoReH2O satellite mission aims to address this by launching the first coincident dual-frequency, dual-polarized Ku- and X- band Synthetic Aperture Radar. In the winters of 2008/09 and 2009/10, C-, X-, and Ku-band imagery retrieved from Envisat ASAR, TerraSAR-X and QuikSCAT were compared with repeated in-situ and autonomous measurements of snow and ice properties over Miquelon Lake, a saline lake in Alberta. Ku- and X-band backscatter increased with snow depth and SWE. Ku-band backscatter decreased with increasing snow wetness and brine volume. C- and X-band backscatter increased with snow wetness, brine volume and snow-ice formation but exhibited an unclear response to ice thickness. The co-varying snow and ice properties hampered interpretation of observed backscatter changes and will continue to complicate the retrieval of these properties.
Language
English
DOI
doi:10.7939/R3H041
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: Abstract
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File author: Justin Beckers
Page count: 173
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