SOIL INFLUENCE ON THE CHEMICAL COMPOSITION OF GROUND WATERS IN THE REPUBLIC OF TATARSTAN
https://doi.org/10.32454/0016-7762-2020-63-1-90-99
Abstract
The upper section part of the Republic of Tatarstan comprises complexes of poly-facial Middle and Upper Permian, Mesozoic, and Pliocene-Quaternary sediments. Surface and groundwater here is characterised by wide variations in composition and mineralisation due to natural and technogenic factors. The most important natural factor is the interaction of atmospheric precipitation and its derivatives with the soils and rocks of the section. To assess the scale of this interaction, water extracts from the main soil varieties based on distilled and melt snow water were analysed. The composition of aqueous extracts was compared with that of the least mineralised (up to 250 mg/l) spring water. The compounds delivered to the upper part of the section by soils include organic matter, nitrogen compounds in nitrite and ammonium forms and, to a lesser extent, iron and manganese. It is shown that the composition of groundwater outside zones of technogenic impact is largely determined by the interaction of atmospheric precipitation with the soil cover. This is explained by the fact that water extracts from soil samples have a mineralisation of over 100 mg/l, while the minimum mineralisation of spring water is 150—200 mg/l. Soils within forests and meadows are characterised by the maximum mineralising role. The soils of river valleys and cultivated fields contribute to water mineralisation to a lesser extent. The maximum amount of mineral and organic complexes that are readily soluble in water was found in blacksoils and grey forest soils, while their minimum was determined in grey-coloured sod-podzolic soils.
About the Authors
R. Kh. Musin
Kazan Federal University
Russian Federation
Russian Federation
Cand. Sci. (Geol.-Min.), Ass. Prof.,
18, Kremlevskaya str., Kazan 420008, Russia
tel.: +7 (917) 293-40-41
SPIN: 5548-9590
A. R. Galieva
Kazan Federal University
Russian Federation
Russian Federation
postgraduate student of the Institute of Geology and oil and gas technologies
18, Kremlevskaya str., Kazan 420008, Russia
tel.: +7 (904) 762-42-27
T. G. Kudbanov
Kazan Federal University
Russian Federation
Russian Federation
postgraduate student of the Institute of Geology and oil and gas technologies
18, Kremlevskaya str., Kazan 420008, Russia
tel.: +7 (927) 41-97-892
Z. G. Kalkamanova
Kazan Federal University
Russian Federation
Russian Federation
engineer, Department of General Geology and hydrogeology, Institute of Geology and oil and gas technologies
18, Kremlevskaya str., Kazan 420008, Russia
tel.: +7 (937) 626-05-40
N. A. Kurlyanov
Kazan Federal University
Russian Federation
Russian Federation
engineer, Department of General Geology and hydrogeology, Institute of Geology and oil and gas technologies
18, Kremlevskaya str., Kazan 420008, Russia
tel.: +7 (987) 299-89-59
SPIN: 1345-2960
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Review
For citations:
Musin R.Kh., Galieva A.R., Kudbanov T.G., Kalkamanova Z.G., Kurlyanov N.A. SOIL INFLUENCE ON THE CHEMICAL COMPOSITION OF GROUND WATERS IN THE REPUBLIC OF TATARSTAN. Proceedings of higher educational establishments. Geology and Exploration. 2020;1(1):90-99. (In Russ.) https://doi.org/10.32454/0016-7762-2020-63-1-90-99
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