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Physical Sciences and Mathematics Commons

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Water Resource Management

Portland State University

ESM Colloquium

Urban land use -- Effect on hydrologic cycle

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Effects Of Beaver Dams On Surface Water Flow During Storm Events In An Urban Landscape, Erin Poor May 2017

Effects Of Beaver Dams On Surface Water Flow During Storm Events In An Urban Landscape, Erin Poor

ESM Colloquium

Urban land-use generally alters the hydrologic cycle, leading to changes in the natural flow regime of local streams. Runoff from impervious surfaces and routing of stormwater to streams causes urban streams to respond quickly and more intensely to storm events-more so than then would be observed in a less urbanized landscape. The rapid pulse of water that is routed to streams during precipitation events can degrade the physical structure of the channel and alter water quality and habitat availability. To manage these common urban stream issues, agencies have been seeking alternative ways of restoring and enhancing resilience in urban stream …