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Open AccessArticle

A Note on One- and Three-Dimensional Infiltration Analysis from a Mini Disc Infiltrometer

Department of Natural Resources Management and Agricultural Engineering, Agricultural University of Athens, 75 Iera Odos Street, 11855 Athens, Greece
Author to whom correspondence should be addressed.
Water 2018, 10(12), 1783;
Received: 24 October 2018 / Revised: 22 November 2018 / Accepted: 29 November 2018 / Published: 4 December 2018
(This article belongs to the Special Issue Insights on the Water–Energy–Food Nexus)
PDF [2460 KB, uploaded 19 December 2018]


Disc infiltrometers are used to characterize soil hydraulic properties. The purpose of this study was to determine the difference between three- and one-dimensional infiltration and to calculate the infiltration shape parameter γ from a proposed analytical infiltration equation. One- and three-dimensional infiltration tests were done on three repacked soils (loam, sandy loam, and silty clay loam) for two negative pressure heads. A mini disc infiltrometer of a radius of 22.5 mm with suction that ranged from −5 mm to −70 mm was used. The difference between experimental three- and one-dimensional cumulative infiltration was linear with time, which confirmed the proposed equation. In this study, the shape parameter γ seems not to be seriously affected by the soil type and acquires values from 0.561 to 0.615, i.e., smaller than the value γ = 0.75, which is widely used. With these values, the criteria proposed for calculating hydraulic conductivity using three-dimensional infiltration data may be fulfilled in most soils. View Full-Text
Keywords: infiltration; soil sorptivity; mini disc infiltrometer infiltration; soil sorptivity; mini disc infiltrometer

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Kargas, G.; Londra, P.; Anastasiou, K.; Kerkides, P. A Note on One- and Three-Dimensional Infiltration Analysis from a Mini Disc Infiltrometer. Water 2018, 10, 1783.

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