Rain-induced surface seals: their effect on ponding and infiltration

M. J.M. Romkens, R. L. Baumhardt, M. B. Parlange, F. D. Whisler, J-Y Parlange, S. N. Prasad

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Laboratory soil columns, packed to simulate tilled soils with fine clod sizes, were subjected to rainstorms of various durations and intensities. Surface seal development was described in terms of a reduced hydraulic conductance, moderated to a first approximation by the total rainfall energy. A numerical solution of the transport (Richards') equation was developed which predicts the time of incipient ponding and infiltration rates after ponding. Predicted estimates agreed well with observed values. -from Authors

Original languageEnglish
Pages (from-to)417-424
Number of pages8
JournalAnnales Geophysicae
Volume4 B
Issue number4
Publication statusPublished - 1986
Externally publishedYes

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