1. Robert W. Christopherson Charlie Thomsen Chapter 9 Water Resources

3. The Hydrologic Cycle Soil-Water-Budget Concept Groundwater Resources Our Water Supply Water Resources

4. A Hydrologic Cycle Model Surface Water The Hydrologic Cycle

5. Hydrologic Cycle Model Figure 9.1

6. Surface Water Figure 9.2

7. The Soil-Water-Balance Equation Sample Water Budgets Water Budget and Water Resources Soil-Water-Budget Concept

8. The Soil-Water Balance Equation Figure 9.3

9. Precipitation in North America Figure 9.5

10. Lysimeter and Weather Instruments Figure 9.7 Death Valley, CA

11. Potential Evapotranspiration Figure 9.6

12. Types of Soil Moisture Figure 9.8

13. Soil-Moisture Availability Figure 9.9

14. Figure 9.10 U.S. Drought Monitor

15. Sample Water Budget Figure 9.11

16. Sample Water Budgets Figure 9.12

17. Annual River Runoff Figure 9.13

18. Hurricane Camille and Water Budgets Figure FS 9.1.2

19. Groundwater Profile and Movement Aquifers, Wells, and Springs Overuse of Groundwater Pollution of Groundwater Groundwater Resources

20. Groundwater Potential Figure 9.16

21. Groundwater Characteristics Figure 9.17

22. Groundwater Characteristics Figure 9.17

23. Groundwater and Streamflow Figure 9.19

24. High Plains Aquifer Figures FS 9.2.1a, 9.2.3

25. Water Supply in the United States Instream, Nonconsumptive, and Consumptive Uses Desalination Future Considerations Our Water Supply

27. U.S. Water Budget Figure 9.20

28. Water Withdrawal by Sector Figure 9.21

29. Water Desalination Figure 9.22

30. Robert W. Christopherson Charlie Thomsen End of Chapter 9 Geosystems 7e An Introduction to Physical Geography