HR: 0800h
AN: H31C-0403    [Abstracts]
TI: Wolf Creek Research Basin Cold REgion Process Studies - 1992-2003
AU: * janowicz, r
EM: richard.janowicz@gov.yk.ca
AF: Water Resources Section Yukon Department of Environment, Box 2703, Whitehorse, YT Y!A 2C6 Canada
AU: Hedstrom, N
EM: newell.hedstrom@ec.gc.ca
AF: Aquatic Ecosystem Impacts Research Branch National Hydrology REsearch Centre Environment Canada, 11 Innovation Blvd, Saskatoon, SK S7N 3H5 Canada
AU: Pomeroy, J
EM: pomeroy@usask.ca
AF: Centre for Hydrology University of Saskatchewan, 117 Science Place, Saskatoon, SK S7N 5C8 Canada
AU: Granger, R
EM: raoul.granger@ec.gc.ca
AF: Aquatic Ecosystem Impacts Research Branch National Hydrology REsearch Centre Environment Canada, 11 Innovation Blvd, Saskatoon, SK S7N 3H5 Canada
AU: Carey, S
EM: sean_carey@carleton.ca
AF: Department of Geography & Environmental Studies Carleton University, Rm B349 Leob Building 1125 Colonel By Drive, Ottawa, ON K1S 5B6 Canada
AB: The development of hydrological models in northern regions are complicated by cold region processes. Sparse vegetation influences snowpack accumulation, redistribution and melt, frozen ground effects infiltration and runoff and cold soils in the summer effect evapotranspiration rates. Situated in the upper Yukon River watershed, the 195 km2 Wolf Creek Research Basin was instrumented in 1992 to calibrate hydrologic flow models, and has since evolved into a comprehensive study of cold region processes and linkages, contributing significantly to hydrological and climate change modelling. Studies include those of precipitation distribution, snowpack accumulation and redistribution, energy balance, snowmelt infiltration, and water balance. Studies of the spatial variability of hydrometeorological data demonstrate the importance of physical parameters on their distribution and control on runoff processes. Many studies have also identified the complex interaction of several of the physical parameters, including topography, vegetation and frozen ground (seasonal or permafrost) as important. They also show that there is a fundamental, underlying spatial structure to the watershed that must be adequately represented in parameterization schemes for scaling and watershed modelling. The specific results of numerous studies are presented.
DE: 1818 Evapotranspiration
DE: 1823 Frozen ground
DE: 1863 Snow and ice (1827)
DE: 1866 Soil moisture
DE: 1878 Water/energy interactions
SC: Hydrology [H]
MN: 2004 AGU Fall Meeting