Watersheds

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  1. Potential Economic Impacts of Zebra Mussels on the Hydropower Facilities in the Columbia River Basin

    The purpose of this study was to estimate costs to the Federal Columbia River Power System hydroelectric projects in the event of a zebra mussel infestation.

  2. Map-based Probabilistic Infinite Slope Analysis of the Stephens Creek Watershed, Portland, Oregon

    The Stephens Creek Watershed in southwest Portland, Oregon was chosen by the city as a pilot project for urban stream restoration efforts, and the infiltration of stormwater was identified as a potential...

  3. Dynamics of Channel Complexity and Nitrate Retention in Upper Fanno Creek, Oregon

    This study investigates the relationship between channel complexity and nutrient spiraling along 31 reaches of an urbanized watershed in Portland, Oregon. Much research shows that urbanization has an effect on...

  4. Investigating Future Variation of Extreme Precipitation Events over the Willamette River Basin Using Dynamically Downscaled...

    One important aspect related to the management of water resources under future climate variation is the occurrence of extreme precipitation events. In order to prepare for extreme events, namely floods and...

  5. Riparian Wetland Response to Livestock Exclusion in the Lower Columbia River Basin

    The purpose of this study was to examine the characteristics of riparian plant communities along a succession gradient of livestock exclusion in the Lower Columbia River Basin (LCRB). Livestock exclusion is an...

  6. Riparian Vegetation Assemblages and Associated Landscape Factors Across an Urbanizing Metropolitan Area

    While diverse, native riparian vegetation provides important functions, it remains unclear to what extent these assemblages can persist in urban areas, and under what conditions. We characterized forested...

  7. The Bull Run River–Reservoir System Model

    The Bull Run watershed is located 41.8 kilometers east of Portland, Oregon in the Mt. Hood National Forest and consists of two reservoirs supplying drinking water to over 840,000 people in the Portland...

  8. Urban and Rural-residential Land Uses: Their Role in Watershed Health and the Rehabilitation of Oregon’s Wild Salmonids

    This technical report by the Independent Multidisciplinary Science Team (IMST) is a comprehensive review of how human activities in urban and rural-residential areas can alter aquatic ecosystems and resulting...

  9. Factors of Successful Collaboration: Oregon's Watershed Councils as Collaborative Systems

    The public sector, business professionals and organization leaders are among some of the diverse entities increasingly viewing collaboration as a useful, and at times necessary, practice. Collaborative systems...

  10. Modeling Techniques for Water Supply Forecasting in the Western United States

    Water supply forecasting in the western United States is the prediction of the volume of water passing a given point on a stream during the primary snowmelt runoff season. Most water supply forecasts are...

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