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Glaciers of the Canadian Rockies and their response to global climate change Open Access


Other title
Canadian Rockies
orographic precipitation
IPCC emission scenerio
Type of item
Degree grantor
University of Alberta
Author or creator
Pollock, Edward
Supervisor and department
Andrew Bush, Department of Earth and Atmospheric Science
Examining committee member and department
Gordon Swaters, Department of Mathematical and Statisical Sciences
Bruce Sutherland, Department of Physics and the Department of Earth and Atmospheric Science
Department of Earth and Atmospheric Sciences

Date accepted
Graduation date
Master of Science
Degree level
This study investigates the interactions between carbon dioxide, climate, and glaciers of the Canadian Rockies under a relatively conservative IPCC emission scenario for the 21st century through the use of the PSU/NCAR MM5 mesoscale model (MM) nested within the Princeton GFDL global atmosphere-ocean model. A simple model of orographic precipitation is developed and indicates that if relative humidities change little in a warmer climate the Rocky mountains will experience substantially larger precipitation increases than the global average, despite a weakening midlatitude jet. Furthermore, a simple energy balance model indicates that the elevation of equilibrium net snow accumulation in the Rocky mountains rises steadily through the 21st century. Precipitation increases at high elevations offset increases in melt, particularly in 2050 but also evident at some isolated high elevations in 2100.
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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