NDLI: Mathematical models of some soil characteristics: Substantiation, analysis, and using features of model parameters

Content Provider	Springer Nature Link
Author	Shein, E. V. Rusav, A. M. Milavskii, E. Yu. Khaidapova, D. D. Nikolaeva, E. I.
Copyright Year	2013
Abstract	Most soil properties are either characteristics, i.e., dependences of the property on any factor (e.g., the density and the physicomechanical, electrical, thermophysical, and other soil properties depending on the water content; the adsorption properties of the soil depending on the sorbent concentration, the temperature, etc.), or distributions (e.g., the particle-size, aggregate, and other distributions). The quantitative estimation, the comparative analysis, and the use of the soil characteristics and distributions in physically based forecasting simulation models are possible only at their approximation by mathematical functions. The approximation parameters reflect the specificity and features of the soil characteristics for the studied object. The suitability of mathematical equations has been considered for the description of the wedging resistance of soil aggregates, the past as a function of the water content and the decomposition dynamics of the soil aggregates in time, the selection of the best model, and the statistical analysis of the parameters of the corresponding models. The quantitative analysis of the interrelations between the parameters characterizing the wedging resistance of soil aggregates as a function of the water content and the water stability and the conventional soil properties and characteristics of the soil organic matter has revealed a unimodal relationship between the parameter responsible for the water stability of the aggregates and the content of the hydrophobic and hydrophilic components for the studied typical chernozem (Orenburg oblast). No analogous relationship has been found for the gray forest soils of the Vladimir Opol’e region, which can be related to the predominance of other mechanisms and factors determining the water stability of their aggregates.
Starting Page	541
Ending Page	547
Page Count	7
File Format	PDF
ISSN	10642293
Journal	Eurasian Soil Science
Volume Number	46
Issue Number	5
e-ISSN	1556195X
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2013-05-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	mathematical models quantitative estimation comparative analysis soil properties Geotechnical Engineering & Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Earth-Surface Processes Soil Science

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