Scaling Brooks-Corey Soil Water Retention Curve Using Minimum Data

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LAKZAIANPOUR GHOLAM HOSSEIN; CHARI MOHAMMAD MAHDI; TABATBAEI MAHMOOD; AFRASIAB PEYMAN

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Journal: Iranian Journal of Soil and Water Research Year:2020 | Volume:51 | Issue:7 Page(s): 1691-1700

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Title

Scaling Brooks-Corey Soil Water Retention Curve Using Minimum Data

Author(s)

LAKZAIANPOUR GHOLAM HOSSEIN | CHARI MOHAMMAD MAHDI | TABATBAEI MAHMOOD | AFRASIAB PEYMAN | Issue Writer Certificate

Keywords

Soil Water Retention CurveQ2

ScalingQ2

Brooks-CoreyQ1

Soil TextureQ2

Abstract

Measuring the Soil Water Retention Curve in the laboratory is time consuming and costly. For this purpose, researchers have developed some methods to reduce measurements. One of these methods is Scaling. The objective of this study is to Scaling the soil moisture retention curve using Brooks-Corey model for all textural classes. This method requires a reference curve and the moisture content in a specified suction. In this method the Scaling factor is the logarithm of water content in a specified suction (e. g. 𝜃 1000) in the reference soil to the logarithm of water content in the same suction of the proposed soil. The Scaling factor obtained by the proposed method was evaluated with the Scaling factor obtained by the statistical optimization method. In this study, 11 different Soil Texture classes data provided by Rawls et al. were used. The results showed that the Scaling factor obtained based on the water content of 𝜃 330, 𝜃 700 and 𝜃 1000 is close to the optimum Scaling factor. The mean value of the sum of squares error for the proposed and optimization methods were 0. 047 and 0. 045, respectively. The mean value of the geometric mean error for the proposed and optimization methods were 1. 024 and 1. 047, respectively. The results showed that the reference curve is optional and each soil can be used as the reference curve. In the case of De-Scaling, the Soil Water Retention Curve obtained by the proposed method was fitted very well to the one obtained from Brooks-Corey model.

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APA: Copy

LAKZAIANPOUR, GHOLAM HOSSEIN, CHARI, MOHAMMAD MAHDI, TABATBAEI, MAHMOOD, & AFRASIAB, PEYMAN. (2020). Scaling Brooks-Corey Soil Water Retention Curve Using Minimum Data. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, 51(7 ), 1691-1700. SID. https://sid.ir/paper/406754/en

Vancouver: Copy

LAKZAIANPOUR GHOLAM HOSSEIN, CHARI MOHAMMAD MAHDI, TABATBAEI MAHMOOD, AFRASIAB PEYMAN. Scaling Brooks-Corey Soil Water Retention Curve Using Minimum Data. IRANIAN JOURNAL OF SOIL AND WATER RESEARCH[Internet]. 2020;51(7 ):1691-1700. Available from: https://sid.ir/paper/406754/en

IEEE: Copy

GHOLAM HOSSEIN LAKZAIANPOUR, MOHAMMAD MAHDI CHARI, MAHMOOD TABATBAEI, and PEYMAN AFRASIAB, “Scaling Brooks-Corey Soil Water Retention Curve Using Minimum Data,” IRANIAN JOURNAL OF SOIL AND WATER RESEARCH, vol. 51, no. 7 , pp. 1691–1700, 2020, [Online]. Available: https://sid.ir/paper/406754/en

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