A GIS to Predict Non-Point Source Pollution Potential

by Wanada Baxter-Potter, (A.M.ASCE), Univ of Nebraska-Lincoln, Omaha, NE, USA,
Martha W. Gilliland, (M.ASCE), Univ of Nebraska-Lincoln, Omaha, NE, USA,
Michael P. Peterson, Univ of Nebraska-Lincoln, Omaha, NE, USA,

Document Type: Proceeding Paper

Part of: Water Forum '86: World Water Issues in Evolution


The non-point pollution potential of agricultural lands was analyzed using a geographic, computer based system. Bacterial pollution received special emphasis. The system accepts digitally mapped information on soil type, topography, and land use; calculates characteristics such as slope, and slope length; and relates these characteristics to soils and land use parameters in order to produce three dimensional maps of runoff potential, sediment pollution potential, and bacterial pollution potential.

Subject Headings: Nonpoint pollution | Agricultural wastes | Geographic information systems | Bacteria | Land use | Slopes | Water pollution | Soil analysis

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