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Violation of Environmental Standards for Inorganic Nitrogen Compounds in Glacial Rivers of the Central Caucasus in 2017‒2019

Authors
  • Zhinzhakova, L. Z.1
  • 1 High-Mountain Geophysical Institute, Nal’chik, 360030, Russia , Nal’chik (Russia)
Type
Published Article
Journal
Russian Journal of General Chemistry
Publisher
Pleiades Publishing
Publication Date
Dec 01, 2020
Volume
90
Issue
13
Pages
2593–2597
Identifiers
DOI: 10.1134/S1070363220130101
Source
Springer Nature
Keywords
License
Yellow

Abstract

AbstractThe results of monitoring of the concentrations of nitrates, nitrites, and ammonium nitrogen in glacial rivers of the Central Caucasus during the winter low-water and summer high water in 2017‒2019 are discussed. High concentrations were revealed, which changed the component proportion toward accumulation of nitrites and ammonia nitrogen. Analysis of the annual variations of pollutant concentration showed a tendency for their decrease in 2019. The actual water quality was assessed with respect to ecological classes and maximum permissible concentrations.

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