Evaluation of chemical composition changes of surface water in Boguchan Reservoir (Siberia, Russia)

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Abstract

Mathematical transformation models of TDS (total dissolved salts) and organic substance concentration as BOD5 (biochemical oxygen demand) in water of the Angara River and the proposed Boguchan Reservoir have been developed. Having filled the reservoir to a water level of 208 m, in an average year it is shown that increase in surface water mineralization is expected in the cross-section of Boguchan Hydroelectric Power Station giving TDS of up to 20-40 mg/dm3, and values of BOD5 will increase to 2.0-3.9 mgO2/dm3. In a low-water year the value of BOD5 may be as great as 5 mgO2/dm3; mineralization, in contrast, decreases. Several years after reservoir filling, the values of BOD5 would decrease, but water quality of the upper part of the reservoir would still depend on the degree of treatment of wastewater discharged to it. Editor D. Koutsoyiannis Citation Savichev, O.G. and Matveenko, I.A., 2013. Evaluation of chemical composition changes of surface water in Boguchan Reservoir (Siberia, Russia). Hydrological Sciences Journal, 58 (3), 706-715.

Original languageEnglish
Pages (from-to)706-715
Number of pages10
JournalHydrological Sciences Journal
Volume58
Issue number3
DOIs
Publication statusPublished - 2013

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chemical composition
surface water
mineralization
salt
hydroelectric power
biochemical oxygen demand
power plant
water level
cross section
evaluation
water quality
wastewater
water
river

Keywords

  • Angara River
  • Boguchan Reservoir
  • hydrochemical forecast
  • mathematical model
  • Siberia

ASJC Scopus subject areas

  • Water Science and Technology

Cite this

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abstract = "Mathematical transformation models of TDS (total dissolved salts) and organic substance concentration as BOD5 (biochemical oxygen demand) in water of the Angara River and the proposed Boguchan Reservoir have been developed. Having filled the reservoir to a water level of 208 m, in an average year it is shown that increase in surface water mineralization is expected in the cross-section of Boguchan Hydroelectric Power Station giving TDS of up to 20-40 mg/dm3, and values of BOD5 will increase to 2.0-3.9 mgO2/dm3. In a low-water year the value of BOD5 may be as great as 5 mgO2/dm3; mineralization, in contrast, decreases. Several years after reservoir filling, the values of BOD5 would decrease, but water quality of the upper part of the reservoir would still depend on the degree of treatment of wastewater discharged to it. Editor D. Koutsoyiannis Citation Savichev, O.G. and Matveenko, I.A., 2013. Evaluation of chemical composition changes of surface water in Boguchan Reservoir (Siberia, Russia). Hydrological Sciences Journal, 58 (3), 706-715.",
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AU - Matveenko, Irina Alexeevna

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