This proposal addresses high priority knowledge gaps regarding watershed hydrology. We will examine the effects of forestry harvest and road construction on long term (40 years) peak streamflow rates for rivers on Vancouver Island. We will examine the concept of 'hydrological recovery' of peak streamflow rates, as 2nd growth forests regenerate within the watersheds of the study streams. We will define relationships to quantify peak flow effects in coastal streams under various forest management scenarios. The project applies state-of-the science analytical and statistical procedures to available long-term Environment Canada stream flow and climate data sets to form a new and efficient approach for forest hydrology research. End-users will be able to support their operational and policy decision-making with credible scientific results to: · Guide appropriate management practices at the watershed scale to maintain aquatic resources. · Confirm or revise current policies and guidelines for management of watershed and stream ecosystem processes. Conduct improved forest-level planning, modelling and risk assessment of harvesting impacts Allan Chapman.
Chapman, Allan R., Chapman Geoscience Ltd.. 2003. Long-term effects of forest harvest on peak streamflow rates in coastal BC rivers. Forest Investment Account (FIA) - Forest Science Program. Forest Investment Account Report. FIA2003MR247
Topic: FLNRORD Research Program
Keywords: Hydrology, British, Columbia
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