Contents Preface xvii Chapter 1 Introduction   1.1   A Historical Perspective   1.2   A Current Global Issue   1.3   A Look to the Future   References   Chapter 2 Water Resources Planning and Management   2.1   Environmental Regulation and Protection   2.2   Security of Water Resources Systems   2.3   Watershed Management   2.4   Integrated Watershed Management   2.5   Role of Geographic Information Systems   2.6   Conclusions   Problems References   Chapter 3 The Hydrologic Cycle and Natural Water Sources   3.1   The Hydrologic Cycle   The Water Budget   3.2   Mathematics of Hydrology   3.3   Water Quality   3.4   Soil Moisture   Groundwater   3.5   An Introduction to Groundwater Quantity and Quality   3.6   The Subsurface Distribution of Water   3.7   Aquifers   3.8   Safe Yield of an Aquifer   3.9   Groundwater Flow   3.10    Hydraulics of Wells   3.11    Boundary Effects   3.12    Regional Groundwater Systems   3.13    Salt Water Intrusion   3.14    Groundwater Recharge   3.15    Concurrent Development of Groundwater and Surface Water Sources   Surface Water   3.16    An Introduction to Surface Water Quantity and Quality   3.17    Surface Water Storage   3.18    Reservoirs   3.19    Losses from Storage   3.20    Impacts of Climate Change on Global Hydrology   Problems   References   Chapter 4 Alternative Sources of Water Supply   4.1   Water Conservation   4.2   Wastewater Reuse   4.3   Stormwater Reuse   4.4   Brackish and Saline Water Conversion   4.5   Interbasin Transfers   4.6   Other Relevant Technologies   Problems References   Chapter 5 Water Use Trends and Forecasting   5.1   Water-Use Sectors   5.2   Factors Affecting Water Use   5.3   Water Use Trends   5.4   Population   5.5   Long-Term Water Use Forecasting   Problems   References   Chapter 6 Conveying and Distributing Water   Hydraulics   6.1   Introduction to Hydraulics   6.2   Uniform Flow   6.3   Gradually Varied Flow and Surface Profiles   6.4   Velocity   Water Distribution Systems   6.5   General Design Considerations   6.6   Types of Distribution Systems   6.7   Distribution System Components   6.8   Distribution System Configutations   Hydraulic Considerations   6.8   Hydraulic Design   Pressure Considerations   6.9   General Design Sequence   6.10    Distribution Reservoirs and Service Storage   Pumping   6.11    Pumping Head   6.12    Power   6.13    Cavitation   6.14    System Head   6.15    Pump Characteristics   6.16    Pump Curves   Problems   References   Chapter 7 Wastewater Collection and Stormwater Engineering   Design of Sanitary Sewers &n