Monitoring system of the agrophysical soil constitution in the North-West region of Russia
Keywords:
monitoring, , theory of similarity, agrophysical soil state, , soil quality indicators, organic matter, greenhouse gas emissions, databases, modelsAbstract
A proposed system of monitoring of agrophysical soil state includes conjugate interdisciplinary studies within three stages: morphogenetic soil mapping and monitoring of soil quality indicators in genetic soil horizons; development of databases; application of mathematical models. The use of the system of monitoring of agrophysical soil state has enabled to assess the effects of anthropogenic and natural impacts on soil quality with a higher significance. The analysis of assessment of changes in the agrophysical soil state was based on results of long-term instrumental studies on: genetic and agrophysical properties in soil profiles; profile distribution of clay-associated soil organic matter; direct emissions and subsoil concentrations of greenhouse gases. Soil maps and databases were developed and used in two mathematical models. Theory of similarity was used for formalization of quantitative criterions and classes of similar physical events and processes to evaluate the soil sustainability to impacts of anthropogenic factors.
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