A STUDY OF THE INFLUENCE OF THE YEARLONG WATER CONTENT ON THE EXTERNAL WATER EXCHANGE IN DNEPRODZERZHINSK RESERVOIR UNDER CONDITIONS OF CLIMATE CHANGE
https://doi.org/10.21122/1029-7448-2017-60-4-380-388
Abstract
A current problem of reservoirs is their functioning in conditions of a changing climate. In such conditions, water resources management of water bodies as well as assessment their state and ongoing processes require permanent monitoring and analysis. The aim of the author of the present work was to study the intensity of external water exchange in Dneprodzerzhinsk reservoir, the horizontal and vertical components of the water cycle and the economic use of the water body. On the basis of the components of the water balance the external water exchange in the reservoir has been studied taking into account the yearlong water content during the whole period of the reservoir operation, viz. during the water-aboundant year1970, the law-water year 1972 and the very much law-water year 2015. Intensity factors and indicators of external water exchange for each month of the year, and for the months of the maximum and minimum intensity of the external water exchange during a unit of time, as well as the main factor influencing on the water exchange, viz. the lateral inflow in the reservoir have been determined. The maximum intensity of the external water exchange in the reservoir during a very dry year has deteriorated in the spring and autumn periods of its operation fourfold as compared with the one of the highwater year. It is determined that the higher the intensity of the external water exchange is, the less the indicator of the external water exchange during a unit of time is and the more intensively an exchange and self-purification of the water in the reservoir are being fulfilled. If the rate of external water exchange is less than one, then the shift of regulatory water resources of the reservoir will take place in less than a year. The results of the study can be useful in developing modes of reservoir operation in conditions of a climate change.
About the Author
E. V. Obukhov
Odessa State Environmental University
Ukraine
Ukraine
Address for correspondence: Obukhov Evgenii V. – Odessa State Environmental University 15 Lvivska str., 65016, Odessa, Ukraine. Tel.: +38048 785-27-13 eсonomy@odeku.edu.ua
References
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Review
For citations:
Obukhov E.V. A STUDY OF THE INFLUENCE OF THE YEARLONG WATER CONTENT ON THE EXTERNAL WATER EXCHANGE IN DNEPRODZERZHINSK RESERVOIR UNDER CONDITIONS OF CLIMATE CHANGE. ENERGETIKA. Proceedings of CIS higher education institutions and power engineering associations. 2017;60(4):380-388. (In Russ.) https://doi.org/10.21122/1029-7448-2017-60-4-380-388
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