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Vertical drainage of unsaturated soil
General equation describing vertical unsaturated flow of soil water is solved by numerical approximation for several cases; computer programs are described; results show that intermediate belt of well-drained unsaturated soil approximates field capacity during times of small evapotranspiration and intermittent penetrating rainfall, infiltrated rainfall moves as pulse with steep wetting front, and belt of soil water drains from saturation to approximately field capacity within two days for zero evapotranspiration.
Vertical drainage of unsaturated soil
General equation describing vertical unsaturated flow of soil water is solved by numerical approximation for several cases; computer programs are described; results show that intermediate belt of well-drained unsaturated soil approximates field capacity during times of small evapotranspiration and intermittent penetrating rainfall, infiltrated rainfall moves as pulse with steep wetting front, and belt of soil water drains from saturation to approximately field capacity within two days for zero evapotranspiration.
Vertical drainage of unsaturated soil
ASCE -- Proc (J Hydraulics Div)
Remson, I. (author) / Drake, R.L. (author) / McNeary, S.S. (author) / Wallo, E.M. (author)
1965
20 pages
Article (Journal)
English
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