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Document Type

Thesis - University Access Only

Award Date

1993

Degree Name

Master of Science (MS)

Department / School

Civil Engineering

First Advisor

Vernon R. Schaefer

Abstract

Through the Huron Project of the U.S. Bureau of Reclamation's High Plains States Ground-Water Demonstration Program, a glacial aquifer in eastern South Dakota is to be artificially recharged using water from the James River during spring months. One aspect of the study is to test the use of a numerical flow model to analyze the ground-water flow system. Data from approximately 85 observation wells were used to develop aquifer parameters. Calibration efforts were made to optimize the estimated aquifer parameters by the simulation of historical water levels and adjusting model inputs within reasonable hydrological constraints. Calibration of the model was established in three steps: 1) steady-state simulation of the period 1960 through 1973, prior to significant pumping from the aquifer, 2) transient simulation of drought stress in 1976; and 3) monthly transient simulations from January 1990 through May 1991. The ground-water system dynamics were analyzed and predictions of flow patterns during recharge were made to prepare for design and monitoring of the recharge event.

Library of Congress Subject Headings

Groundwater flow -- Mathematical models
Artificial recharge of groundwater
Aquifers -- South Dakota -- Huron Region

Format

application/pdf

Publisher

South Dakota State University

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