Snow cover as an indicator of cumulative man-made pollution in the area of influence of cities and roads

It is known that, as a section of land hydrology, hydrography studies concrete water bodies characterizing both qualitatively and quantitatively their location, regime, and local conditions. Thus, estimating the size of contaminated land within the river systems, lake and ocean basins is also a task of hydrography. The studies were conducted in the period from 1972 to 2012.