Mathematical models application for mapping soils spatial distribution on the example of the farm from the North of Udmurt Republic of Russiaстатья

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[1] Dokuchaev P. M., Meshalkina J. L., Yaroslavtsev A. M. Mathematical models application for mapping soils spatial distribution on the example of the farm from the north of udmurt republic of russia // IOP Conference Series: Earth and Environmental Science. — 2018. — Vol. 107, no. 1. — P. 012113. Comparative analysis of soils geospatial modeling using multinomial logistic regression, decision trees, random forest, regression trees and support vector machines algorithms was conducted. The visual interpretation of the digital maps obtained and their comparison with the existing map, as well as the quantitative assessment of the individual soil groups detection overall accuracy and of the models kappa showed that multiple logistic regression, support vector method, and random forest models application with spatial prediction of the conditional soil groups distribution can be reliably used for mapping of the study area. It has shown the most accurate detection for sod-podzolics soils (Phaeozems Albic) lightly eroded and moderately eroded soils. In second place, according to the mean overall accuracy of the prediction, there are sod-podzolics soils – non-eroded and warp one, as well as sod-gley soils (Umbrisols Gleyic) and alluvial soils (Fluvisols Dystric, Umbric). Heavy eroded sod-podzolics and gray forest soils (Phaeozems Albic) were detected by methods of automatic classification worst of all. [ DOI ]

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