附註:"Support for this project was provided by the U.S. Geological Survey under Contract No. 98HQAG2028"--Title page verso.
Includes bibliographical references (pages 116-132).
""Investigating Groundwater Systems on Regional and National Scales""; ""Copyright""; ""Preface""; ""Contents""; ""Executive Summary""; ""1 Groundwater and Society ""; ""A CRITICAL RESOURCE""; ""Drinking and Irrigation Water""; ""Streamflow and Ecosystems""; ""A THREATENED RESOURCE""; ""AN OVERDEVELOPED RESOURCE""; ""Regional Subsidence""; ""Salt-Water Intrusion""; ""Resource Depletion""; ""THE NECESSITY FOR CONJUNCTIVE MANAGEMENT""; ""CONCLUSIONS""; ""2 Approaches to Synthesis of Groundwater Issues at the Regional Scale ""; ""USGS GROUNDWATER PROGRAMS�PAST AND PRESENT""
""The Changing Arena of Hydrogeology""""Regional Aquifer-System Analysis (RASA) Program""; ""National Water-Quality Assessment Program""; ""Groundwater Monitoring Networks""; ""Other Current USGS Programs""; ""Ground-Water Resources Program""; ""NEW OPPORTUNITIES AND MANDATES""; ""An Emphasis on Sustainability""; ""Alternative Meanings of “Regional�""; ""PROPOSED FRAMEWORK FOR REGIONAL-SCALE GROUNDWATER STUDIES""; ""Regional Groundwater Assessment""; ""Regional Groundwater Science""; ""Example: Middle Rio Grande""; ""Regionalization""; ""CONCLUSIONS""
""3 Institutional Integration and Collaboration """"EXTERNAL COLLABORATION""; ""Rationale and Benefits""; ""Conditions for and Obstacles to Collaboration""; ""INTERNAL COLLABORATION""; ""Federal-State Cooperative Water Program""; ""National Water-Quality Assessment Program""; ""Toxic Substances Hydrology Program""; ""CONCLUSIONS""; ""4 Scientific Issues ""; ""AQUIFER MANAGEMENT""; ""Scientific and Management Issues""; ""USGS Roles in Aquifer Management""; ""NATURAL GROUNDWATER RECHARGE""; ""Scientific and Management Issues""; ""USGS Roles in Groundwater Recharge""
""GROUNDWATER QUALITY AND MOVEMENT IN SURFICIAL MATERIALS""""Scientific and Management Issues""; ""USGS Roles in Surficial Material Hydrogeology""; ""GROUNDWATER-SURFACE WATER INTERACTIONS""; ""Scientific and Management Issues""; ""USGS Roles in Groundwater-Surface Water Interactions""; ""GROUNDWATER IN KARST AND FRACTURED AQUIFERS""; ""Scientific and Management Issues""; ""USGS Roles in Karst and Fractured-Rock Studies""; ""CHARACTERIZATION OF SUBSURFACE HETEROGENEITY""; ""Scientific and Management Issues""; ""USGS Roles in Characterization of Subsurface Heterogeneity""
""NUMERICAL MODELING""""Scientific and Management Issues""; ""USGS Roles in Numerical Modeling""; ""FACILITATING USE OF GROUNDWATER INFORMATION IN DECISION-MAKING""; ""Quantifying and Reducing Uncertainty in Predictions""; ""Scaling Available Information to the Regional Level""; ""Developing Decision-Making and Risk Models for Groundwater Use""; ""CONCLUSIONS""; ""5 Delivery and Accessibility of Groundwater Data ""; ""USERS OF GROUNDWATER DATA""; ""CONTENT OF GROUNDWATER DATA""; ""FORMAT OF GROUNDWATER DATA""; ""Web-Based Data Sets on a National Scale""