Research Method of Silting the Mountain Reservoirs Under the Current Climate Change
Journal of Water Resources and Ocean Science
Volume 5, Issue 2, April 2016, Pages: 22-27
Received: Mar. 11, 2016; Accepted: Mar. 21, 2016; Published: Apr. 1, 2016
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Authors
Giorgi Metreveli, Institute of Applied Ecology, FENS, Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
Lia Matchavariani, Department of Geography, Faculty of Exact & Natural Sciences, Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
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Abstract
The mountain reservoirs are an accumulator of the processing products of river banks and sediments. These elements form the silting prism and its bench, which are located in the reservoir and the riverbeds of the tributaries. As a result, there is increased riverbeds and there are a number of catastrophic flooding risk and deficit of the beach-forming sediment on the sea coast. The aim of our research is the estimation of accumulation of solid material in the reservoirs and tributaries, as well as a change of channel processes. In order to study the sedimentation prism-formation and equilibrium bad processes, the method of field experiment is proposed, which was used in the mountain reservoirs of Georgia. For analysis of obtained results were used the methods of mathematical statistics - least square method and differential calculus. The experiment showed that the final result of the reservoirs' silting is an accumulative terrace, which produced an equilibrium alluvial bed. Fractional distribution of sediments in silting prism is determined by reservoir control type and intra-annual distribution of fluvial sediments. The network of sediment extraction quarries has to be located along the reservoir taking into account this principle.
Keywords
Accumulate Terrace, Caucasus, Mountain Reservoir, Silting
To cite this article
Giorgi Metreveli, Lia Matchavariani, Research Method of Silting the Mountain Reservoirs Under the Current Climate Change, Journal of Water Resources and Ocean Science. Vol. 5, No. 2, 2016, pp. 22-27. doi: 10.11648/j.wros.20160502.11
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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