Short Technical Report, Fitting different models of soil-moisture characteristic curve on 30 soil samples in Fars province

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FOOLADMAND H.R.; GOLKAR P.

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Journal: Journal of Water and Soil Conservation Year:2018 | Volume:25 | Issue:1 Page(s): 319-326

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Title

Short Technical Report, Fitting different models of soil-moisture characteristic curve on 30 soil samples in Fars province

Author(s)

FOOLADMAND H.R. | GOLKAR P. | Issue Writer Certificate

Keywords

Soil moisture characteristic curveQ2

FittingQ2

Fars provinceQ2

Model of Dexter et alQ1

Abstract

Background and Objectives: Soil moisture characteristic curve is one of the most important soil hydraulic properties and shows the relation between soil suction and moisture content. Also, many models have been presented for Fitting to measued data of this curve. Materials and Methods: In this study, 30 surface soil samples with high variaty texture from the depth of 0 to 30 cm in different regions of Fars province have been used. Selected soils were classified into three textures of fine, medium and coarse. Then, 10 different Soil moisture characteristic curve models were fitted on the data and the parameters of each medel in each soil sample were determined and then the most appropriate fitted model in each soil group was determined. To determine the best model, the combination of statistical equations and linear correlation was used and then the value of mean square deviation (MSD) was calculated to evaluate the different models for Fitting Soil moisture characteristic curve. Results: The results indicated that the fitted models were better in medium texture group than the fine and coarse texture groups. Also, the results according to the MSD values indicated that the Model of Dexter et al. was the most appropriate model for Fitting to the measured data of Soil moisture characteristic curve. Conclusion: The results of this study investigated that the Model of Dexter et al. was better than the other models for three textural group (fine, medium and coarse) for 30 soil samples of Fars province.

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APA: Copy

FOOLADMAND, H.R., & GOLKAR, P.. (2018). Short Technical Report, Fitting different models of soil-moisture characteristic curve on 30 soil samples in Fars province. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 25(1 ), 319-326. SID. https://sid.ir/paper/156382/en

Vancouver: Copy

FOOLADMAND H.R., GOLKAR P.. Short Technical Report, Fitting different models of soil-moisture characteristic curve on 30 soil samples in Fars province. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2018;25(1 ):319-326. Available from: https://sid.ir/paper/156382/en

IEEE: Copy

H.R. FOOLADMAND, and P. GOLKAR, “Short Technical Report, Fitting different models of soil-moisture characteristic curve on 30 soil samples in Fars province,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 25, no. 1 , pp. 319–326, 2018, [Online]. Available: https://sid.ir/paper/156382/en

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