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Water Flow in Soil

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Abstract

The final transport equation that we need to consider is Darcy’s law (Eq. (6.4)). This law describes the transport of water in porous materials such as soils. Darcy’s law describes most of the water flow that takes place in soils. Since water plays such an important role in the energy balance of soils, plants, and animals, an understanding of at least some simple applications of Darcy’s law is important to environmental biophysicists. The processes that are important in determining the water budget of a soil are infiltration of applied water, redistribution of water in the soil profile, evaporation of water from the soil surface, and transpiration of water by plants.

Keywords

  • Hydraulic Conductivity
  • Water Potential
  • Root Zone
  • Field Capacity
  • Infiltration Rate

These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  • Campbell, G. S. (1985) Soil Physics with BASIC: Transport Models for Soil-Plant Systems. New York: Elsevier.

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  • Green, W. H. and G. A. Ampt. (1911.) Studies in soil physics: the flow of air and water through soils. J. Agric. Sci. 4:1–24.

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  • Rawls, W.J., L.R. Ahuja, and D.L. Brakensiek (1992) Estimating soil hydraulic properties from soil data. In Indirect Methods for Estimating Hydraulic Properties of Unsaturated Soils. M. th. Van Genucthen, F.J. Leij, and L.J. Lund (eds.) U.C. Riverside Press, Riverside, CA.

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© 1998 Springer Science+Business Media New York

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Campbell, G.S., Norman, J.M. (1998). Water Flow in Soil. In: An Introduction to Environmental Biophysics. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-1626-1_9

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  • DOI: https://doi.org/10.1007/978-1-4612-1626-1_9

  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-0-387-94937-6

  • Online ISBN: 978-1-4612-1626-1

  • eBook Packages: Springer Book Archive