CARTOGRAPHIC SUPPORT OF TRANSFORMATIONAL GEOECOLOGICAL PROCESSES IN THE DZHURYN RIVER BASIN

The growth of anthropogenic impact on the natural environment of basin systems in the context of global climate change causes significant changes in the state of the constituent geosystems, reduces the quality of water, biotic and land resources, creates a danger to the existence of ecosystems and humanity. In this context, there is a need to create new tools for nature management and nature conservation. This function can be performed by cartographic research of the river basin system. The scientific foundations of the development of a comprehensive cartographic research of the river basin system are argued, a variant of its structure and thematic content is presented, the information base and software that will be used in the preparation of these maps are described. A digital model of the Dzhuryn River basin system (a left-bank tributary of the Dniester within the Ternopil region) is created. The maps reflect natural and anthropogenic conditions and factors that affect the river basin system, the geoecological state of its components and landscape systems, risks of nature management, threats to society and humans. The study will allow monitoring of the ecological state and forecasting the scale of transformational changes in the environment and nature management, and justifying recommendations for optimization. River basin systems (RBS) are natural or natural-economic formations, the subsystems of which are rivers of different orders and their catchments. Catchments, in turn, consist of a combination of heterogeneous natural or natural-economic geosystems. The state and functioning of the catchment subsystem are closely related both to the state and operation of water subsystems - rivers that drain them, ponds or reservoirs built on rivers, and to the state and functioning of landscape systems of the catchment. It is also necessary to take into account that river basin systems and their components are extremely sensitive to the impact of economic activity and climate change. In addition, their ecological state is determined by natural conditions and factors that affect the processes in the RBS. Therefore, when studying the state of RBS, the parameters and mechanisms of their work, taking into account influential factors, as well as assessing their economic significance, role in shaping the environment, and environmental significance, we consider it important to use geoinformation mapping technologies. The use of geoinformation technologies for natural resource management in small river basins involves the use of cartographic and aerospace information in digital form and its processing, as well as visualization of thematic cartographic images. Scientists pay considerable attention to the processing of remote sensing data of the Earth. This allows obtaining quantitative and qualitative information about water bodies or phenomena that are not available during field research or measurements. At the same time, questions arise regarding new definitions of the concepts of the base and cartographic data bank, which are a collection of organized arrays of cartographic information and software that provides access to data and their processing. Taking into account the above factors, a geoinformation model was created that will help solve hydro- and geoecological problems of the basin system of one of the left-bank Podolsk tributaries of the Dniester – the Dzhuryn River. This river acts as a test site for GIS modeling, and the results obtained are basic for their extension to other basin systems of the region with similar functions. Keywords: river basin, river-basin system, geoinformation technologies, thematic content of maps, Dzhuryn River, GIS.