scientific journal
  • ISSN 2072-8158
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  • Урал-Пресс: 012688

Chemical composition of surface waters (stream) of the vym river basin

Published in «Water: chemistry and ecology» № / 2019 , p. 74-79.
Heading:

 

Pristova T.A.

Summary:
The paper contains the perennial study results on chemical composition of a stream, the Kyltovka River tributary of the Vym River basin. The catchment area of the stream is represented by deciduous forests and includes the territories where spruce forests have been cut since the 70-ies of the former century. The stream waters are normally low-acidic or neutral, low-mineralized, hydrocarbonate-calcium-magnesium by composition. Concentrations of Co, Cr, Ni, Cd, Pb and Zn in the stream waters are very low, less than 0,0002 and 0,002 mg/dm3, correspondingly. The study chemical composition components clearly demonstrate seasonal changes: concentrations of HCO3-, DOC, IC, Stot, Ntot, Ptot, Ca2 +, K +, Fe2 +3+ in the stream waters are normally high in summer due to organic matter active vegetation and decomposition. In contrast with surface waters in spruce forests, the stream under study is prominent through a higher content of anions and organic matter. The average content of chemical composition components in waters of the investigated stream does not exceed the maximum permissible concentration, except for Mn, Fe, and Al. The obtained results allow to judge on the chemical composition of surface waters formed under the influence of secondary deciduous forests. The data can be used as a background information when water quality monitoring in the middle taiga zone.

Keywords: chemical composition, middle taiga, secondary forests, stream

Bibliographic link:
Pristova T.A. Chemical composition of surface waters (stream) of the vym river basin // Water: chemistry and ecology. — 2019. — № . — c. 74-79. — http://watchemec.ru/en/article/29788/

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