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  1. Streamflow Modeling of Johnson Creek Subwatersheds Using the Precipitation Runoff Modeling System

    Johnson Creek, in the Portland, Oregon metropolitan region, has several pollutants on the U.S. Environmental Protection Agency’s (EPA) 303(d) list including excess heat, low dissolved oxygen, and harmful...

  2. Ensemble Prediction and Data Assimilation for Operational Hydrology

    This special section in the Journal of Hydrology will discuss the need for advancing hydrologic ensemble prediction and DA.

  3. Data and Schemata on Dan Region Wastewater Treatment and Reclamation Plant -- Israel

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  4. Evaluating Global Sensitivity Analysis Methods for Hydrologic Modeling over the Columbia River Basin

    Global Sensitivity Analysis (GSA) approach helps to identify the effectiveness of model parameters or inputs and thus provides essential information about the model performance. The effects of 14 parameters and...

  5. Automatic Calibration of Water Quality and Hydrodynamic Model (CE-QUAL-W2)

    One of the most important purposes of surface water resource management is to develop predictive models to assist in identifying and evaluating operational and structural measures for improving water quality....

  6. Phosphorus Export from a Restored Wetland Ecosystem in Response to Natural and Experimental Hydrologic Fluctuations

    Wetland restoration is a commonly used approach to reduce nutrient loading to freshwater and coastal ecosystems, with many wetland restoration efforts occurring in former agricultural fields. Restored wetlands...

  7. A Review of Urban Water Body Challenges and Approaches: (1) Rehabilitation and Remediation

    We review how urbanization alters aquatic ecosystems, as well as actions that managers can take to remediate urban waters. Urbanization affects streams by fundamentally altering longitudinal and lateral...

  8. Tidal-Fluvial and Estuarine Processes in the Lower Columbia River: II. Water Level Models, Floodplain Wetland Inundation, and...

    Spatially varying water-level regimes are a factor controlling estuarine and tidal-fluvial wetland vegetation patterns. As described in Part I, water levels in the Lower Columbia River and estuary (LCRE) are...

  9. Towards Improving Drought Forecasts Across Different Spatial and Temporal Scales

    Recent water scarcities across the southwestern U.S. with severe effects on the living environment inspire the development of new methodologies to achieve reliable drought forecasting in seasonal scale....

  10. Hydrogeologic Investigation of a Pumice Aquifer, Fremont/Winema National Forest, Oregon

    The middle Holocene cataclysmic eruption of Mount Mazama blanketed Walker Rim, in south central Oregon, with 270 cm to 300 cm of pumice, causing capture of surface water systems by groundwater, stream...

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