Groundwater Modeling - A Management Tool

by Daniel J. Whalen, Buchart-Horn Inc, York, PA, USA,
Gregory A. Johnson, Buchart-Horn Inc, York, PA, USA,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


A hydrogeologic investigation within the South Mountain Complex of south central Pennsylvania was performed to develop a groundwater management program. Using LandSat imagery, low altitude aerial photography, topographic maps and direct field measurements, the fracture fabric of the bedrock was defined. By interpreting the above information, a hydrologic concept was developed. A finite difference groundwater model was developed and used to simulate conditions at the site. The model was used to simulate different groundwater pumping schemes and to predict the impact to the hydrologic cycle. The results of this investigation included the calculation of safe yields of groundwater from the aquifer and the delineation of sites with the potential for high yield production wells.

Subject Headings: Groundwater management | Decision support systems | Hydrologic models | Water resources | Site investigation | Water supply | Hydrology | Management methods | Pennsylvania | United States

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