chapter 6 soil and the hydrologic cycle

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Chapter 6 Soil and the Hydrologic Cycle

Water cycles in the Teton Mountains. (R. Weil)

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.1 Global Stocks of Water

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

The Hydrologic Cycle

• Water Balance Equation– Evaporation– Transpiration

P = ET + SS + D– Evapotranspiration– Soil Storage– Discharge

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.2 Hydrologic Cycle

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Interception• When precipitation is intercepted by plant

foliage and subsequently evaporated back to the atmosphere before the plant has a chance to use it.

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.4

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Runoff after irrigation at 150mm/hr

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.5

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Soil water potential due to stem flow

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Furrow Dikes for Water Retention

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.7

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.9

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Soil-Plant-Atmosphere Continuum

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.11

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.12

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.13

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.14

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.23

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.25

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.26

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.47

(a) (b)

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil

Figure 6.45

©2002 Pearson Education, Inc. Upper Saddle River, New Jersey 07458

THE NATURE AND PROPERTIES OF SOILS, 13/e Nyle C. Brady and Ray R. Weil