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Application of numerical models to the design of in-situ groundwater restoration systems under variability of hydrogeologic conditions

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Title: Application of numerical models to the design of in-situ groundwater restoration systems under variability of hydrogeologic conditions
Author: Haasbeek, John Frank
Advisor: Bedient, Philip B.
Abstract: The behavior of a numerical solute transport model is examined under calibration conditions. Predicting ground water remediation using pumping wells is also examined. Model calculations are compared for calibration conditions and remedial conditions to determine the reliability of parameter estimates obtained from model calibration. Parameters investigated include hydraulic conductivity, aerobic biodegradation, retardation, and source terms. Multiple criteria including RMS errors, plume area, and dissolved mass are used to evaluate model output. The results of the sensitivity analysis are applied to a modeling study and remedial design at a Superfund site. The model is calibrated to historically observed data using two distinct data sets to show the non-uniqueness of the solution. A remedial pumping system is devised to remove contaminated water from the aquifer, and the performance of the system is examined under variations in model parameters. The effects on the remedial system of a residual source are also examined.
Citation: Haasbeek, John Frank. (1990) "Application of numerical models to the design of in-situ groundwater restoration systems under variability of hydrogeologic conditions." Masters Thesis, Rice University. http://hdl.handle.net/1911/13436.
URI: http://hdl.handle.net/1911/13436
Date: 1990

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