ABSTRACT
Case studies focus on predicting soil lateral migration using different 137Cs contamination levels as markers of erosion processes. This study was performed in the central part of the Bryansk Region with 137Cs contamination levels from 7 to 30 kBq/m2 obtained by air gamma survey, with 100 m resolution and soil classes in the Bryansk Opolye Region with grey loamy soils and hydromorphic soils in the river valleys. 137Cs patterns were investigated to evaluate soil redistribution rates in different slope positions. In addition to the 137Cs contamination, SRTM DEM parameters with a grid size of about 90 m were estimated. To assess the relationship of 137Cs with various landscape factors derived from DEM we used different statistical models, such as GLM, GAM. The obtained estimate of the intensity of lateral soil migration using 137Cs as a marker of erosion processes showed its significant spatial heterogeneity.
