Digital Mapping of Soil Family Class Using the Machine Learning Approach (A Case Study: Semi-Arid lands in the West of IRAN)

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Maghsodi z.; ROSTAMINIA M.; FARAMARZI M.; KESHAVARZI A.; RAHMANI A.; Mousavi S. R.

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Journal: Journal of Water and Soil Science Year:2020 | Volume:24 | Issue:2 Page(s): 153-163

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Title

Digital Mapping of Soil Family Class Using the Machine Learning Approach (A Case Study: Semi-Arid lands in the West of IRAN)

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Keywords

Spatial predictionQ1

Soil classQ1

Boosted Regression TreeQ1

Random ForestQ1

Abstract

Digital soil mapping plays an important role in upgrading the knowledge of soil survey in line with the advances in the spatial data of infrastructure development. The main aim of this study was to provide a digital map of the soil family classes using the Random Forest (RF) models and boosting regression tree (BRT) in a semi-arid region of Ilam province. Environmental covariates were extracted from a digital elevation model with 30 m spatial resolution, using the SAGAGIS7. 3 software. In this study area, 46 soil profiles were dug and sampled; after physico-chemical analysis, the soils were classified based on key to soil taxonomy (2014). In the studied area, three orders were recognized: Mollisols, Inceptisols, and Entisols. Based on the results of the environmental covariate data mining with variance inflation factor (VIF), some parameters including DEM, standard height and terrain ruggedness index were the most important variables. The best Spatial prediction of Soil classes belonged to Fine, carbonatic, thermic, Typic Haploxerolls. Also, the results showed that RF and BRT models had an overall accuracy and of 0. 80, 0. 64 and Kappa index 0. 70, 0. 55, respectively. Therefore, the RF method could serve as a reliable and accurate method to provide a reasonable prediction with a low sampling density.

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APA: Copy

Maghsodi, z., ROSTAMINIA, M., FARAMARZI, M., KESHAVARZI, A., RAHMANI, A., & Mousavi, S. R.. (2020). Digital Mapping of Soil Family Class Using the Machine Learning Approach (A Case Study: Semi-Arid lands in the West of IRAN). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), 24(2 ), 153-163. SID. https://sid.ir/paper/368285/en

Vancouver: Copy

Maghsodi z., ROSTAMINIA M., FARAMARZI M., KESHAVARZI A., RAHMANI A., Mousavi S. R.. Digital Mapping of Soil Family Class Using the Machine Learning Approach (A Case Study: Semi-Arid lands in the West of IRAN). WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES)[Internet]. 2020;24(2 ):153-163. Available from: https://sid.ir/paper/368285/en

IEEE: Copy

z. Maghsodi, M. ROSTAMINIA, M. FARAMARZI, A. KESHAVARZI, A. RAHMANI, and S. R. Mousavi, “Digital Mapping of Soil Family Class Using the Machine Learning Approach (A Case Study: Semi-Arid lands in the West of IRAN),” WATER AND SOIL SCIENCE (JOURNAL OF SCIENCE AND TECHNOLOGY OF AGRICULTURE AND NATURAL RESOURCES), vol. 24, no. 2 , pp. 153–163, 2020, [Online]. Available: https://sid.ir/paper/368285/en

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