Abstract
Territory of the Republic of Kalmykia located in the northwestern part of Caspian Region relates to arid areas because of the very poorly developed hydrographic network. Annual amount of precipitation varies from 210 to 340 mm; evaporation from the water surface is 1000–1100 mm. The issue of water resources provision is critical for Kalmukia. In the conditions of Kalmykia groundwater plays an important role as it is the main and often the only source of domestic/drinking water supply. However, the groundwater use is limited due to their low natural quality. One of the ways of increasing useful groundwater resources of water intakes and particular sites of deposits, improvement of water quality and, accordingly, meeting the population’s current demand for fresh drinking water can become artificial recharge of groundwater. A source of groundwater recharge on the territory of Kalmykia can be surface runoff during the winter/spring flood or, less often, during summer/fall rain floods. The Ergeninsk Upland in the Republic of Kalmykia has been chosen for the first stage (2020-2021) of researches in terms of combination of all factors of the possibility of artificial groundwater resources accumulation.
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