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Information × Registration Number 0224U033098, (0124U003726) , R & D reports Title Carrying out a set of works on hydrogeological monitoring of the territory of the National Conservation Area "St. Sophia of Kyiv" (study of the chemical composition of groundwater). popup.stage_title Проведення комплексу робіт по гідрогеологічному моніторингу території Національного заповідника «Софія Київська» (дослідження хімічного складу ґрунтових вод). Head Koliabina Iryna L., Кандидат геологічних наук Registration Date 18-12-2024 Organization Institute of Geological Sciences of the NAS of Ukraine popup.description1 Hydrogeochemical studies of groundwater in the territory of the St. Sophia Cathedral in the 2nd half of 2024 to identify the main natural and man-made factors affecting the chemical composition of groundwater. popup.description2  The scientific report (Report) presents the results of a set of works on hydrogeological monitoring on the territory of the National Conservation Area "St. Sophia of Kyiv" (study of the chemical composition of groundwater), which was carried out using a network of hydrogeological observation wells located on the territory of the St. Sophia Cathedral ensemble. The report presents analyzes data of the chemical composition of groundwater, temperature and levels in nine observation wells on the territory of the St. Sophia Cathedral complex obtained in 2024. According to the results of determining the chemical composition of groundwater in the territory of the National Conservation Area “St. Sophia of Kyiv”, the exceedance of standard indicators (total mineralization, chlorides, ammonium, sodium and potassium, pH) in the waters of a number of wells was recorded. It was established that the water of wells located in the northern and western parts of the Reserve's territory has either a weakly expressed trend towards an increase in the concentrations of groundwater chemical composition components and total mineralization, or no such trend at all, while the water of wells located in the eastern, southern and central parts of the Reserve's territory has a significant trend towards an increase in the concentrations of both individual components and total mineralization. The facts of exceeding the established standards in the waters of a number of wells in the Reserve by various indicators may have natural and man-made causes, while the trends towards a constant, significant increase in a number of water components and total mineralization are most likely due to man-made causes. It has been determined that the groundwater of the Reserve's territory is divided into two groups by its composition: mixed (with a slight predominance of hydrogen carbonate ions) and calcium chloride. The mechanisms of formation of the chemical composition of groundwater by the method of mass balance Product Description popup.authors Yaroshenko Kostiantyn K. popup.nrat_date 2024-12-18 Close