INTRODUCTION Origins of Hydrogeology Zones of Underground Water Uses of Groundwater Conjunctive Use of Water Resources Groundwater and the Rock Cycle Hydrologic Cycle Hydrologic Budgets Converting Units Hydrogeologic Information AQUIFERS Aquifer Materials Recharge and Discharge Springs Confined and Unconfined Aquifers Fluid Pressure Capillary Fringe Physical Properties of Aquifers MONITORING WELLS Describing Soil and Rock Samples Drilling Methods Well Construction Water Depth Measurements Monitoring Programs GROUNDWATER FLOW Hydraulic Gradient Groundwater Discharge and Velocity Permeameters and Standpipes Flow Regimes Flow Nets WELL HYDRAULICS AND AQUIFER TESTS Cones of Depression Steady Flow to Wells Transient Flow to Wells Pump Test Considerations Recovery Tests One-Well Pump Tests Specific Capacity Slug Tests GROUNDWATER QUALITY AND SOLUTE TRANSPORT Solutes and Flow Systems Common Reactions in Water Sources of Groundwater Contamination Water Quality Standards Sampling Groundwater Specific Electrical Conductance and TDS Solute Transport MANAGING GROUNDWATER POLLUTION Source Control Natural Attenuation Chemical Oxidation/Reduction Bioremediation Phytoremediation In-Well Vapor Stripping Bioslurping Interceptor Trenches Flushing Pump and Treat Air Sparging Inclined Drilling and Horizontal Wells Risk-Based Corrective Action Answers to Selected Problems Symbols Glossary References Index
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