Abstract

Two time periods (1960-1986 and 1986-2015) were compared in terms of mean annual frequency and mean annual sum of warm season rainfalls to quantify general trends in the changing regime of heavy precipitation over the southern part of European Russia, which is the area of the most intensive agricultural activity. The identified trends were compared with the published assessment of the intensity trends of soil erosion processes. The prevalence of the increasing tendency in the frequency and amount of precipitation is demonstrated, which undergoes against a decrease in the rate of eroded sediment accumulation and against a decrease of linear growth rate of gullies. This result rather proves the crucial contribution of the snowmelt to the soil erosion over the studied area.

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