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Physical and Environmental Geography Commons™
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Full-Text Articles in Physical and Environmental Geography
Hydrologic Impacts Of Climate Change In The Upper Clackamas River Basin, Oregon, Usa, David Graves, Heejun Chang
Hydrologic Impacts Of Climate Change In The Upper Clackamas River Basin, Oregon, Usa, David Graves, Heejun Chang
Geography Faculty Publications and Presentations
The Pacific Northwest of the USA is dependent on seasonal snowmelt for water resources that support its economy and aquatic ecosystems. Increased temperatures resulting from higher concentrations of atmospheric greenhouse gases may cause disruptions to these resources because of reductions in the annual snowpack and the earlier occurrence of seasonal snowmelt. We applied a Geographic Information System (GIS)-based distributed hydrologic model at a monthly scale to assess the effects of future climate change on runoff from the Upper Clackamas River Basin (UCB; located near Portland, Oregon, USA). Once validated using historic flow data, the model was run for 2 future …