A modelling assessment of the impacts of historical wetland drainage and other land use changes on the regional climate of the Canadian prairies / Craig D. Smith.
Material type:
TextSeries: Thesis. (M.Sc.)Publication details: Saskatoon, SK : University of Saskatchewan, 1997.Description: x, 129 leaves : ill., maps ; 28 cmOnline resources: Abstract: Historical land use changes may have modified the regional climate of the Canadian prairies. This study uses a regional atmospheric model to examine the potential impact of surface modification on the regional climate of the Yorkton region in south-eastern Saskatchewan. Simulations are designed to represent both historical surface conditions and present surface conditions in the region with an emphasis on wetland drainage.Potential impacts of vegetation alteration and soil moisture variability are also examined. Modelling results indicate that a 3% historical surface area change from water to dry land has little impact on accumulated precipitation or temperature during the 72-hour simulations but does influence the timing of the precipitation events. The simulation with 10% surface water by area has a positive influence on precipitation while the removal of vegetation has a negative influence.Analysis of the local climate statistics shows no clear impact of agricultural expansion on
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Thesis(M.Sc.)--University of Saskatchewan, 1997.
"May, 1997."
Includes bibliographical references (leaves 117-120).
Historical land use changes may have modified the regional climate of the Canadian prairies. This study uses a regional atmospheric model to examine the potential impact of surface modification on the regional climate of the Yorkton region in south-eastern Saskatchewan. Simulations are designed to represent both historical surface conditions and present surface conditions in the region with an emphasis on wetland drainage.Potential impacts of vegetation alteration and soil moisture variability are also examined. Modelling results indicate that a 3% historical surface area change from water to dry land has little impact on accumulated precipitation or temperature during the 72-hour simulations but does influence the timing of the precipitation events. The simulation with 10% surface water by area has a positive influence on precipitation while the removal of vegetation has a negative influence.Analysis of the local climate statistics shows no clear impact of agricultural expansion on