Comparison of Saturated Hydraulic Conductivity Estimated by Three Different Methods
Aquanty, Inc., 564 Weber Street North, Unit 2, Waterloo, ON N2L 5C6A, Canada
Department of Earth and Environmental Sciences, University of Waterloo, Waterloo, ON N2L 3G1, Canada
Department of Earth and Environmental Sciences & The Earth and Environmental Science System Research Center, Chonbuk National University, Jeonju-si 54896, Korea
Land, Water and Environment Department, Faculty of Agriculture, The University of Jordan, Amman 11942, Jordan
School of Earth and Environmental Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
Author to whom correspondence should be addressed.
Received: 7 November 2017 / Revised: 29 November 2017 / Accepted: 1 December 2017 / Published: 4 December 2017
This study compares saturated hydraulic conductivities (
) of three sandy soils such as coarse, medium and fine sand. The
was obtained using three different methods: empirical methods based on the grain size analysis, the relative effective porosity model (REPM), and breakthrough curve analyses based on tracer tests. Column drainage tests were performed to characterize the water retention properties of the samples, which are required in the REPM. Bench scale tracer tests with various conditions were conducted to obtain reasonable linear velocities of the samples using breakthrough curve analyses and then
was estimated using Darcy’s law. For the REPM, the differences of
for the coarse and fine sand soils were less than one order of magnitude; however, the difference of
values between the empirical methods and the breakthrough curve analyses was larger than one order of magnitude. The comparison results suggest that the REPM can be a reliable method for estimating
for soil grains, and is cost effective due to its experimental simplicity.
This is an open access article distributed under the Creative Commons Attribution License
which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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MDPI and ACS Style
Hwang, H.-T.; Jeen, S.-W.; Suleiman, A.A.; Lee, K.-K. Comparison of Saturated Hydraulic Conductivity Estimated by Three Different Methods. Water 2017, 9, 942.
Hwang H-T, Jeen S-W, Suleiman AA, Lee K-K. Comparison of Saturated Hydraulic Conductivity Estimated by Three Different Methods. Water. 2017; 9(12):942.
Hwang, Hyoun-Tae; Jeen, Sung-Wook; Suleiman, Ayman A.; Lee, Kang-Kun. 2017. "Comparison of Saturated Hydraulic Conductivity Estimated by Three Different Methods." Water 9, no. 12: 942.
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