Examining the dynamics and modeling of oxygen regime of Chervonooskil water reservoir

Authors

DOI:

https://doi.org/10.15587/1729-4061.2017.109477

Keywords:

oxygen regime, biochemical oxygen demand, dissolved oxygen, Streeter-Phelps model

Abstract

The problems of deterioration of the ecological state of surface sources of drinking water supply especially concern water reservoirs since they are created for accumulation of water reserves. Biochemical oxygen demand and dissolved oxygen are integral indicators that characterize ecological state of a water body on the whole.

Based on retrospective observational data for 2010–2014, the authors analyzed dynamics of indicators of BOD and of dissolved oxygen in the Chervonooskil reservoir (Ukraine). The tendencies towards improving oxygen regime of the reservoir were detected: an increase in concentration of dissolved oxygen and a decrease in BOD by average annual indicators. This is explained by a decrease in anthropogenic load on the basin of the water body due to economic decline, which is a consequence of unfavorable political situation in the country.

Authors determined coefficients of biochemical oxidation of organic substances of the Streeter-Phelps model for the water reservoir. Given the influence of temperature on oxygen solubility and on the rate of biochemical processes, calculation of parameters k1 and k2 was performed for each month of the year. Correlation coefficient between the modeled and empirical values of biochemical oxygen demand is 0.86, which can be considered acceptable for such research

Author Biographies

Vitalii Bezsonnyi, O. M. Beketov National University of Urban Economy in Kharkiv Marshala Bazhanova str., 17, Kharkiv, Ukraine, 61002

Lead Engineer

Educational center "Megapolis"

Oleg Tretyakov, O. M. Beketov National University of Urban Economy in Kharkiv Marshala Bazhanova str., 17, Kharkiv, Ukraine, 61002

Doctor of technical sciences, Associate professor

Department of Safety of Vital Activity

Batyr Khalmuradov, National Aviation University Kosmonavta Komarova ave., 1, Kyiv, Ukraine, 03058

PhD, Associate Professor

Department of Safety of life

Roman Ponomarenko, National University Сivil Protection of Ukraine Chernyshevska str., 94, Kharkiv, Ukraine, 61023

PhD, Senior Researcher

Department of fire and rescue training

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Published

2017-10-24

How to Cite

Bezsonnyi, V., Tretyakov, O., Khalmuradov, B., & Ponomarenko, R. (2017). Examining the dynamics and modeling of oxygen regime of Chervonooskil water reservoir. Eastern-European Journal of Enterprise Technologies, 5(10 (89), 32–38. https://doi.org/10.15587/1729-4061.2017.109477

Issue

Vol. 5 No. 10 (89) (2017): Ecology

Section

Ecology

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Copyright (c) 2017 Vitalii Bezsonnyi, Oleg Tretyakov, Batyr Khalmuradov, Roman Ponomarenko

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