What is it about?

Percolation can be defined as the flow of fluids through a porous media (filter). Infiltration rate may be defined as the meters per unit time of the entry of water into the soil surface regardless of the types or values of forces or gradients. Water entry into the soil is caused by matric and gravitational forces. Infiltration normally refers to the downward movement (Kirkham 2004).

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Why is it important?

The rate of infiltration is influenced by the physical characteristics of the soil such as soil hydraulic conductivity (K(θ), LT−1), initial water content (θi, m3 m−3), residual water content (θr, m3 m−3), saturated water content (θs, m3 m−3), soil cover (i.e., plants), soil temperature, and rainfall intensity (Kirkham 2004; Essig et al. 2009). Numerical results have elucidated the role of gravity, capillary forces, and slope angle on infiltration over various periods.

Perspectives

Writing this article was a great pleasure as it has co-authors with whom I have had long standing collaborations. This article also lead to rare disease groups contacting me and ultimately to a greater involvement in rare disease research.

Dr. Kaveh Ostad-Ali-Askari
American University in Dubai

Read the Original

This page is a summary of: Percolation, January 2018, Springer Science + Business Media,
DOI: 10.1007/978-3-319-73568-9_216.
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