Daily Water Budget Model for Water Resources Management

by Russ T. Brown, Tennessee Technological Univ, United States,
Kimberly Choate, Tennessee Technological Univ, United States,

Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications


A daily water budget model has been developed and tested for the Clinch and Powell watersheds located in SW Virginia and NE Tennessee. The model integrates available data and simulates hydrologic conditions to evaluate water management alternatives. The model considers three important pathways for rainwater: 1) infiltration with subsequent evapotranspiration, 2) groundwater recharge with subsequent baseflow, and 3) direct runoff to the streams. The model allows daily flows and soil moisture to be estimated for any period of rainfall data. Water quality management functions such as: 1) effluent limit evaluations, 2) instream flow evaluations, 3) recreational floating and fishing forecasts, 4) water quality flow regressions, and 5) water supply planning can be accomplished with the simulated hydrologic sequences.

Subject Headings: Water resources | Water quality | Water management | Water-based recreation | Hydrologic models | Computer models | Water supply | United States | Virginia | Tennessee

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