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Impact of Ground Water Management on the Hydropattern of Wetlands

by Maged Hussein,



Document Type: Proceeding Paper

Part of: World Water & Environmental Resources Congress 2003

Abstract:

In this paper, we examine the effect of altering the pumping rates of a large municipal well field, on the hydropattern of the near by PENSUCO wetland. A flow model developed earlier using MODFLOW was used, in which the wetland package (Restropo et al., 1995) was used to simulate flow in wetland and the coupled interaction with ground water. The calibrated model was used to determine the save pumping rate which can be maintained without altering the hydropattern of the wetland or at least maintain it within certain limits. A Considerable uncertainty exists in the model parameters. A first order second moment method is used to quantify the uncertainty in the predicted safe pumping rates. Coupled ground water/surface water codes are computationally demanding. Uncertainty analysis increases the demand for computational efficient solver which was developed earlier was used to improve run time and reduce storage. Results show a save pumping rates can be achieved without tragically affecting the hydropattern of the wetlands under consideration.

Subject Headings: Wetlands (fresh water) | Pumps | Groundwater management | Uncertainty principles | Hydrologic models | Groundwater flow | Flow simulation | Florida | United States

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