Abstract
The article tests modern methods of geo-ecological assessment of settlements, namely GIS modeling and fractal analysis. Recently, they have found wide application in quantifying both the infrastructural components of the urban environment – the street and road network, the density of buildings, the degree of transport accessibility, and the environment-forming ones, such as green zones. GIS modeling methods allow quantifying the distribution density of a certain component of the urban environment or calculating the degree of accessibility in the form of classification and visualizing the results on a spatiotemporal scale in a form convenient for perception. The paper evaluates the parameters of the density of the road network, the density of buildings and the degree of landscaping of the territory according to spectral indices – NDVI and NDBI. Fractal analysis evaluates the range of sustainability of the environment of settlements to factors of anthropogenic load and, thus, areas with varying degrees of severity of anthropogenic impact are identified by the indicator of fractal dimension. The methods of geoinformation modeling and fractal analysis complement each other in geoecological assessment and allow for a more objective assessment of the state of the urban area.
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