Казанский (Приволжский) федеральный университет, КФУ
КАЗАНСКИЙ
ФЕДЕРАЛЬНЫЙ УНИВЕРСИТЕТ
 
TRANSFORMATION OF FRESH GROUNDWATER COMPOSITION OVER TIME IN THE REPUBLIC OF TATARSTAN
Форма представленияСтатьи в зарубежных журналах и сборниках
Год публикации2023
Языканглийский
  • Галиева Альбина Руслановна, автор
  • Мусин Рустам Хадиевич, автор
  • Хамитов Айрат Джаудатович, автор
  • Библиографическое описание на языке оригинала Musin R.Kh, Galieva A.R, Khamitov A.D., Transformation of Fresh Groundwater Composition over Time in the Republic of Tatarstan //Uchenye Zapiski Kazanskogo Universiteta. Seriya Estestvennye Nauki. - 2023. - Vol.165, Is.3. - P.427-446.
    Аннотация In order to reveal the spatio-temporal variability of the composition of fresh groundwater, 4 regions were studied, differing in natural and technogenic conditions. It was revealed that in agricultural areas there were no particularly significant changes in the composition of groundwater over time (the last 60 years). Within the oil refining industrial zone, intense pollution of groundwater is observed only in the vicinity of sludge reservoirs and waste landfills, while pollution is local in nature and does not extend further than 1.0-1.5 km in the direction of filtration flows. One of the reasons for this is the high buffer capacity of the geological environment. The compositions of fresh groundwater in the territory of intensive oil development were subjected to the most negative transformation over large areas. Depending on the values of temporal concentration gradients, 4 degrees of change in the composition of groundwater are distinguished: “extremely weak”, “weak”, “medium” and “high”. Of these, the last two are manifested in the central parts of the oil-bearing areas, where the mineralization of groundwater in the upper part of the section can reach 10 g/l, and the hardness is 70 mmol/l.
    Ключевые слова groundwater composition variability, groundwater pollution, agricultural areas, oil refining industrial zone, oil-bearing areas, concentration gradients, buffer properties of the geological environment, industrial waste landfills
    Название журнала Uchenye Zapiski Kazanskogo Universiteta. Seriya Estestvennye Nauki
    URL https://www.scopus.com/inward/record.uri?eid=2-s2.0-85179999271&doi=10.26907%2f2542-064X.2023.3.427-446&partnerID=40&md5=3b21cf334685936536df1c3caf7e4945
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