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Chapter 12: Infiltration

Chapter 12: Infiltration

pp. 215-227

Authors

, Texas A & M University, , Texas A & M University
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Summary

The purpose of irrigation is to supply water to plants, and this supply of water is made possible through infiltration into the soil. The infiltrated water is extracted by plant roots. Thus, infiltration plays a fundamental role in the design, management, and operation of irrigation systems. The objective of this chapter is to briefly discuss elementary aspects of infiltration and methods for computing it.

Keywords

  • Infiltration capacity
  • infiltration rate
  • cumulative infiltration
  • soil moisture
  • porosity
  • hydraulic conductivity
  • suction head
  • wetting front
  • Kostiakov equation
  • Philip equation
  • Soil Conservation Service equation
  • Horton equation
  • Green–Ampt equation

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