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Space and time regularities in variations of nitrogen compound concentrations in watercourses of the Republic of Bashkortostan

  • Water Quality and Protection: Environmental Aspects
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Abstract

The dynamics of anthropogenic activity and anthropogenic sources of nutrients in the Republic of Bashkortostan have been analyzed. Statistical analysis of many-year data of hydrochemical monitoring have been used to establish the year-to-year and annual regularities in the variations of N compound concentrations in watercourses. Maps of the mean annual N concentration in its forms (ammonium, nitrites, and nitrates) have been constructed. The fitness of river water to different types of water use have been assessed. Probability distributions of the concentrations of hydrochemical components have been constructed for different phases of stream water regimes. The exceedance probabilities have been evaluated for MAC values of N compounds in watercourses.

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Correspondence to T. B. Fashchevskaya.

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Original Russian Text © T.B. Fashchevskaya, Yu.G. Motovilov, N.B. Shadiyanova, 2017, published in Vodnye Resursy, 2017, Vol. 44, No. 1, pp. 63–73.

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Fashchevskaya, T.B., Motovilov, Y.G. & Shadiyanova, N.B. Space and time regularities in variations of nitrogen compound concentrations in watercourses of the Republic of Bashkortostan. Water Resour 44, 101–111 (2017). https://doi.org/10.1134/S0097807817010055

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  • DOI: https://doi.org/10.1134/S0097807817010055

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