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Chemical analysis of Lake Shira water (1997-2000)
Kalacheva, G.S.; Gubanov, V.G.; Gribobskaya, I.; Gladchenko, I.A.; Zinenko, G.K.; Savitsky, S.V. (2002). Chemical analysis of Lake Shira water (1997-2000). Aquat. Ecol. 36(2): 123-141
In: Aquatic Ecology. Springer: Dordrecht; London; Boston. ISSN 1386-2588, more
Peer reviewed article  

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    Chemical analysis; Meromictic lakes; Saline; Saline intrusion; Siberia; Siberia; Stratification; Water chemistry; Water quality; PNE, Russia, Siberia

Authors  Top 
  • Kalacheva, G.S.
  • Gubanov, V.G.
  • Gribobskaya, I.
  • Gladchenko, I.A.
  • Zinenko, G.K.
  • Savitsky, S.V.

    The paper presents the results of chemical analysis of Shira during summer (July-August). The chemical composition of waters in the water body was found to be fairly homogeneous horizontally. However, the concentrations of most ions increased with depth. The near-bottom layers were characterised by higher total mineral content and ash content, higher concentration of sulphates, sulphites, sulphide, phosphorus, ammonium nitrogen, as compared to the layers above. Maximum concentration of oxygen was recorded in 6-8 m stratum, where the photosynthetic processes were most active. The anaerobic layer which lay below the 12 m depth contained high concentrations of sulphide and sulphite. The composition of the lake water could be characterised as sulphate-chloride-bicarbonate sodium-magnesium. The changes in the water quality due to any anthropogenic emissions were not marked.

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