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Abstract

Introduction

Purpose and Scope

Study Area

Previous and Related Studies

Acknowledgments

Hunt-Annaquatucket-Pettaquamscutt Stream-Aquifer System

Hydrogeologic Units

Water-Supply Wells

Ground-Water Levels and Ground-Water Flow

Stream-Aquifer Interactions

Hydrologic Components and Budget

Inflow Components

Outflow Components

Hydrologic Budget

Steady-State Numerical Model

Development

Spatial Discretization

Boundary Conditions and Stresses

Hydraulic Conductivity

Calibration and Sensitivity Analysis

Hydrologic Budget

Stream-Aquifer Interactions

Contributing Areas and Sources of Water to Supply Wells

Transient Numerical Model

Development

Temporal Discretization and Initial Conditions

Boundary Conditions and Stresses

Storage Properties of Aquifer

Calibration and Hydrologic Budget

Stream-Aquifer Interactions

Conjunctive-Management Model

Formulation of the Conjunctive-Management Model

Response-Matrix Technique for Solution of the Conjunctive-Management Model

Applications of the Model

Maintain Current Rates of Streamflow Depletion During July, August, and September

Decrease Current Rates of Streamflow Depletion in the Hunt River During July, August, and September, With Current Rates of Streamflow Depletion in the Annaquatucket and Pettaquamscutt Rivers

Maintain Current Rates of Streamflow Depletion in the Hunt River During July, August, and September, With Increased Rates of Streamflow Depletion Allowed in the Annaquatucket and Pettaquamscutt Rivers

Decrease Current Rates of Streamflow Depletion in the Hunt River During July, August, and September, With Increased Rates of Streamflow Depletion Allowed in the Annaquatucket and Pettaquamscutt Rivers

Summary and Conclusions

References Cited

Appendix A: Water Levels at Observation Wells, 1995­96

Appendix B: Streamflow at Partial-Record Sites, 1995­96

Appendix C: Withdrawals from Public-Supply Wells, 1943­98

 


 

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