As a partner of GSEU, the Ukrainian Association of Geologists within the framework of the tasks of Work Package 8 disseminates information regarding some published news and scientific articles in Ukraine on the main thematic areas of the project.
The article analyzes the ecological state of underground water of drinking quality and substantiates additional criteria for a possible sustainable underground economic and drinking water supply. The analyzed data of the monitoring of the state of underground water intakes of Ukraine show that their long-term exploitation is accompanied by the development of a complex of dangerous lithodynamic processes (DLDP) of hydrogeofiltration origin.
The article highlights 3 leading ecological and hydrogeological DLDPs: diffusion of mineralized pore solutions from poorly permeable layers into operational horizons, filtration compression of aquifer complexes and suffusion transport of aquifers with a local decrease in their volume and, as a result, subsidence of the earth's surface. It was established that the main factors in the development of the processes of suffusion, filtration compression and deformations of the earth's surface within the depression funnel under the condition of active underground water abstraction are: first - the presence of loose rocks - clays, loams, sandy loams, sands, siltstones, loess in the geological section of the zone of active water exchange (AWE); the second - granular heterogeneity of loose deposits and denser rocks that underlie them within the AWE (or the presence of cavities in them) - sandstones, limestones, marls, cherts, shales; the third is the vertical circulation of groundwater, which contributes to the downward migration of dust-clay particles into operational underground aquifers.