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APPLICATION OF CONTINUOUS WATERSHED MODELLING TO FEEDLOT RUNOFF MANAGEMENT AND CONTROL
Citation:
Zovne, J. AND J. Koelliker. APPLICATION OF CONTINUOUS WATERSHED MODELLING TO FEEDLOT RUNOFF MANAGEMENT AND CONTROL. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/2-79/065.
Description:
A continuous simulation, digital computer, hydrologic model of feedlot runoff generation and disposal has been developed at Kansas State University. The purpose of the model is to establish guidelines and design parameters for feedlot runoff control facilities which will meet the requirements of the Federal Water Pollution Control Act Amendments of 1972. The model continuously monitors the water budget of a feedlot storage pond-irrigation disposal area control system using historic rainfall and temperature data. It uses only readily available climate, soil, and crop data so that it can be applied to all major livestock producing areas of the United States. The model is expected to be useful in evaluating applications for 'permits' to discharge and for 208 planning agencies in 'Best Management Practices' for feedlots. A user manual is included with program printout, input data requirements, and an example of a 25-year simulation for Belleville, Kansas. A report on the state-of-the-art of modelling the quality of feedlot runoff is also presented.