Chapter 6

Chapter 6 Water Resources

Robert W. Christopherson Charlie Thomsen

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

The Hydrologic Cycle A Hydrologic Cycle Model Surface Water

Hydrologic Cycle Model

Figure 6.1

Soil-Water-Budget Concept The Soil-Water Balance Equation Precipitation (PRECIP) input Actual evapotranspiration (ACTET) Determining POTET Deficit Surplus Soil-moisture storage

Drought Three Examples of Water Balances Water Budget and Water Resources

The Soil–Water Balance Equation

Figure 6.3 Christopherson, Elemental Geosystems, Sixth Edition

Copyright © 2010 Pearson Education, Inc.

Lysimeter

Figure 6.5

Precipitation in North America

Figure 6.4

Potential Evapotranspiration

Figure 6.6

Surface Water

Figure 6.2

Types of Soil Moisture

Figure 6.7

Soil-moisture Availability

Figure 6.8

Figure 6. 9

Sample Water Budget

Figure 6.10

Sample Water Budgets

Figure 6.11

Annual River Runoff

Figure 6.12

Hurricane Camille and Water Budgets

Figure FS 6.1.2

Groundwater Resources Groundwater Profile and Movement Groundwater Utilization Pollution of Groundwater Resource

Groundwater Potential

Figure 6.13

Groundwater Characteristics

Figure 6.14


Figure 6.14


Figure 6.16


Figure 6.16

Groundwater mining Seawater intrusion Aquifer collapse Subsidence

Groundwater and Streamflow

Figure 6.16

High Plains Aquifer

Figure FS 6.2.1

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

U.S. Water Budget

Figure 6.17

Water Withdrawal by Sector

Figure 6.18

Global Water Scarcity

Figure 6.20

End of Chapter 6 Elemental Geosystems 5e

Robert W. Christopherson Charles E. Thomsen