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SCS-CN Hydrologic Modeling of the Great Dismal Swamp with HEC-HMS

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dc.contributor.advisor Houser, Paul R. Larson, Timothy R
dc.creator Larson, Timothy R 2015-07-31 2015-10-23T15:40:58Z 2015-10-23T15:40:58Z 2015-10-23
dc.description.abstract The simulation of surface runoff at the Great Dismal Swamp National Wildlife Refuge, located in southeast Virginia and northeast North Carolina, is modeled on a digital elevation model (DEM) with 2 meter post spacing. An application of the Soil Conservation Service Curve Number (SCS-CN) hydrological model as implemented through the Hydrologic Engineering Center’s Hydrologic Modeling System (HEC-HMS) is used to predict how the basin might respond to rainfall events, including measures of the quantity of surface runoff, detention, and peak runoff. Validation of the model is conducted by comparing results to streamgage readings at the swamp. Accuracy is greatly limited by an unknown configuration of water control structures at the swamp and programmed outflow through a lock and dam system. But a detailed configuration of streams and watershed units is achieved.
dc.language.iso en en_US
dc.rights Copyright 2015 Timothy R. Larson en_US
dc.subject SCS CN en_US
dc.subject Great Dismal Swamp en_US
dc.subject runoff en_US
dc.subject HEC_HMS en_US
dc.title SCS-CN Hydrologic Modeling of the Great Dismal Swamp with HEC-HMS en_US
dc.type Thesis en Master of Science in Geoinformatics and Geospatial Intelligence en_US Master's en Geoinformatics and Geospatial Intelligence en George Mason University en

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