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Showing 1 to 6 of 6 for “"overland runoff"”.
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A Field-Scale Study of Controlled Tile Drainage and a Pond-Wetland to Attenuate Nutrients from Agricultural Overland Runoff and Subsurface Drainage on a Farmer-Operated Seed Farm in Saint-Isidore, ON
Agricultural runoff and drainage are significant contributors to the deterioration of water quality in receiving water bodies. Ponds and constructed wetlands are proven treatment systems that can remove nutrients and reduce peak flow. A combined controlled drainage structure (CDS), free drainage …
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Biotic Assessment Of Two Central Kentucky Streams: Examining The Effects Of Wastewater Treatment And Anthropogenic Disturbance
… poor agricultural practices, accelerated overland runoff, a non-point source of pollution, and wastewater treatment plants (WTP), a point source of pollution, have all placed a strain on the world’s flowing, fresh, waters. The de-commissioning of two WTPs in the Kentucky River basin, and …
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Precipitation and Sea Level Rise Impacts on Groundwater Levels in Virginia Beach, Virginia
… that drains the watershed. Precipitation and overland runoff are simulated using the surface water model SWMM. The two models are coupled to permit the exchange of boundary condition values at each time step.An ensemble approach is taken to test model sensitivity to a variety of …
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Comparing Dual Drainage Model (DDM) with SWMM: a case study in John Street watershed, Champaign IL
… 68 manholes and 67 conduits. The storm water runoff from overland, on street and in sewer were compared to those in SWMM under 2-year, 10-year, 50-year and 100-year 60-minute rainfall. Hydrograph and statistical errors were used to visualize and quantify the model performance. A sensitivity …
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Diagnostic analysis of runoff partitioning at the catchment scale
Horton overland runoff, Dunne overland runoff and subsurface flow are the three major runoff generation mechanisms contributing to streamflow. The control of the climatic conditions and landscape properties on the occurrence and relative dominance of these different runoff components, i.e., and …
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Comparison of 1-D and 2-D modeling approaches for simulating runoff and sediment transport in overload areas
… were compared for their abilities in predicting overland runoff and sediment transport. Both the I-D and 2-D models were developed to test the hypothesis that the 2-0 modeling approach could improve the model predictions over the 1-0 approach, based on the same mathematical representations of …