Evaluation of Surface-Water - Ground-Water Interaction Coefficients in Water-Resources Planning Model

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by Nadeem Shaukat, Kansas Geological Survey, Lawrence, KS, USA,
Manoutch Heidari, Kansas Geological Survey, Lawrence, KS, USA,
Thomas Maddock, Kansas Geological Survey, Lawrence, KS, USA,

Document Type: Proceeding Paper

Part of: Engineering Hydrology

Abstract: A water-resources planning model formulated as a mixed-integer program is used to screen and sequence proposed projects such that the present cost of meeting future water demands is minimized. Surface-water - ground-water interactions are represented in the model by a set of constraints guaranteeing minimum surface-water flow which can be affected by diversions and well-field pumping. When well fields in a planning region are hydraulically connected to streams, consideration must be given to the impact of ground-water pumping on surface-water flows. The streamflow-requirement constraint in the planning model contains surface-water - ground-water interaction coefficients, which relate the quantity of water withdrawn from the stream to the quantity of water pumped by the well fields.

Subject Headings: Hydrologic models | Surface water | Water resources | Groundwater flow | Terrain models | Pumps | Streamflow | Wells (water) |

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