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Scientific Investigations Report 2006–5157

Hydrogeology and Simulation of Ground-Water Flow at Arnold Air Force Base, Coffee and Franklin Counties, Tennessee—2002 Update

U.S. Geological Survey Scientific Investigations Report 2006–5157

By Connor J. Haugh


Contents

Abstract

Introduction

Purpose and Scope

Previous Studies

Description of Study Area

Geology

Hydrogeology

Aquifers

Ground-Water Withdrawals

Ground- and Surface-Water Interactions

Flow Boundaries

Recharge

Ground-Water Flow

Water Levels

Simulation of Ground-Water Flow

Previous Ground-Water Flow Model

Conceptual Model

Model Assumptions

Model Boundaries

Model Construction

Model Calibration

Sensitivity Analysis

Advective Flow Particle Tracking

Pre-Ground-Water Withdrawal Wells Particle Tracking

Ground-Water Withdrawal Wells Particle Tracking

Dewatering Facilities Particle Tracking

Model Limitations

Summary

Selected References

Appendix. Comparison of measured and simulated water-level altitudes for the
Arnold Air Force Base area ground-water flow model


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