Assessment and mapping of geoecological conditions on the territory of a large city (on the example of Vitebsk)

The main topic of the study is the methodology and algorithm for assessing and mapping the geoecological conditions of an urban area, which include the analysis and assessment of the geoecological situation and the comfort of the living environment of the population, obtained using the theory of fuzzy sets, as well as the geoecological potential of geo-ecosystems, calculated using the parameters of their resistance to technogenic impacts. and degree of impairment. As operational units of analysis, natural-technical systems are used, identified by overlaying maps of natural (lithological, geomorphological, hydrogeological, etc.) conditions and functional zoning of the city territory. The developed methodology was implemented on the example of the city of Vitebsk with the construction of a series of geoecological maps, including an integral map of the geoecological conditions of the city, reflecting the differentiation of the city into different classes of geoecological conditions and according to the identified geoecological restrictions for the life of the population and the risk of morbidity of the population. This technique is universal, it can be used for various urban areas with any set of factors that determine the state of natural and technical systems, for any degree of urbanization, both in manual and machine methods of information processing.

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