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TitleUpland watershed management and global change: Canada's Rocky Mountains and western plains
AuthorSauchyn, D; Demuth, M; Pietroniro, A
SourceManaging water resources in a time of global change: mountains, valleys and flood plains; by Garrido, A (ed.); Dinar, A (ed.); 2009 p. 32-49
Alt SeriesEarth Sciences Sector, Contribution Series 20080652
Alt SeriesContributions from the Rosenberg International Forum on Water Policy
PublisherRoutledge (London, UK/New York, USA)
ProvinceAlberta; British Columbia; Saskatchewan
NTS62E; 62L; 62M; 63D; 63E; 63L; 63M; 64D; 64E; 64L; 64M; 72; 73; 74; 82; 83; 84; 93I; 93P; 94A; 94H; 94I; 94P
AreaRocky Mountains; Western Plains; North Saskathewan River; South Saskatchewan River; Bow River; Red Deer River
Lat/Long WENS-122.0000 -102.0000 60.0000 49.0000
Subjectshydrogeology; Nature and Environment; resource management; surface waters; water utilization; watersheds; glaciers; glaciology; hydrologic budget; hydrologic environment; climate; runoff; snow; stream flow; flow regimes; precipitation; models; Water supply; Drought
Illustrationssketch maps; graphs; tables; time series
ProgramNSERC Natural Sciences and Engineering Research Council of Canada
ProgramManitoba Hydro, Funding Program
ProgramAlberta Environment, Funding Program
ProgramEnvironment Canada, Funding Program
ProgramClimate Change Geoscience
Released2009 01 01
AbstractMyths of abundant and stationary water resources have influenced water policy and management in western Canada. Data presented in this chapter demonstrate that water use, policy and management were established during a period of fairly stable and reliable water supplies as compared to preceding and projected hydrological regimes. These data include tree-ring and historical evidence of prolonged drought, recent trends (glacier wastage, declining snowmelt runoff and summer flows), and global circulation models (GCM)-based scenarios of precipitation and runoff. We consider how water policy and management might be adjusted to compensate for a long-term view of the surface hydrology that includes more prolonged drought and lower average flows than observed and experienced in the twentieth century.

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