Abstract
In the present contribution, the geochemical relationships of territorial units (landscapes), namely sewage sludge disposal sites and historical municipal solid waste landfills, that can be considered as chemical elements migration models and as dynamic components of ecological-geological systems (landfill site adjacent area recreation area)., is described. Since the study of pollutants migration in multicomponent systems is extremely time-consuming, the development of theoretical methods, able to simulate these processes, is of particular relevance. Therefore, in the present study, a geochemical model for substance migration in anthropogenically modified geoecological bodies and their surrounding was conceived, making use of complex mathematical processes and data analysis methodologies (parallel use of factor, cluster, canonical and discriminant analysis tools), and considering both geochemical specialization/composition of parent rocks and land use (functional geoecological zoning).
Highlights
With the increasing number of megacities, the constant expansion of their borders, and the often chaotic, unreasonable land-use planning, even those sites with potential recreational use suffer from enormous anthropogenic pressure
Geoecological assessments on the influence of various anthropogenic objects on the environment often reflect the level of negative impacts only and do not take into account relationships with other objects, e.g. those within the boundaries of the technosphere and those interacting with the upper horizons of the lithosphere
The main goal of the present study was to present an updated complex methodology for geo-ecological functional zoning of territories and their environmental impact assessment using a particular case-study, consisting of territories subjected to different levels of anthropogenic impact
Summary
With the increasing number of megacities, the constant expansion of their borders, and the often chaotic, unreasonable land-use planning, even those sites with potential recreational use suffer from enormous anthropogenic pressure. In order to preserve ecosystems and assure the rational planning of urban development, it is necessary to pay special attention to the functional purpose and land use, which is the basis of zoning and urban management. The development of migration patterns in the matter flows (man-made and natural), considering objects and territories together, is the only method for justifying the state of ecosystems "downstream". The main goal of the present study was to present an updated complex methodology for geo-ecological functional zoning of territories and their environmental impact assessment using a particular case-study, consisting of territories subjected to different levels of anthropogenic impact. The proposed approach allows the optimal ratio of use and/or protection measures to be set for a particular city site - the basic unit of a city territorial administration, acting as an essential tool for metropolis land resources management
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