Modified Horton Models for Steady Rainfall

by Ismail I. Esen, Kuwait Univ, Safat, Kuwait,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


When the rainfall rate is less than the initial infiltration rate, direct application of the well-known Horton equation underestimates the total volume of water infiltrating the soil until a specified time. Two procedures are presented in which the basic Horton model is modified to predict the cumulative infiltration more accurately under steady and uniform rainfall. In the first modification, the infiltration rates are corrected at subsequent times; and, in the second modification, the rate constant is corrected.

Subject Headings: Infiltration | Rainfall | Mathematical models | Soil water | Rain water | Numerical methods | Model accuracy

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