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2021 | OriginalPaper | Chapter

Estimation of the Ecological Flow of Mountain River in Ukrainian Carpathians for Small Hydropower Projects

Authors : Svitlana Velychko, Olena Dupliak

Published in: Proceedings of EcoComfort 2020

Publisher: Springer International Publishing

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Abstract

In recent years the construction of small hydropower plants has increased in the mountainous part of the Carpathian region. The modern requirements for the ecological flow of rivers are significantly increased. There are no regulations for determining the minimum ecological flow for small mountain rivers in Ukraine. The magnitude of the minimum environmental flow significantly affects the assessment of the hydropower potential of the river. Ecological flow calculations are complicated by the lack of hydrological stations in the upper part of mountain rivers. The purpose of the work is development of a simplified engineering method for determining the minimum ecological flow under limited hydrological data for small mountain river of Ukraine. It was carried out the minimum ecological flow calculation for two sections of the Irshava River in the Tisza basin to estimate the proposed method. For comparison, it was used method of the minimum ecological acceptable flow, wetted perimeter method, BFM, IHA, Tennant. Based on the analysis of European and Ukrainian methods, the simplified engineering method for determining the minimum ecological flow is proposed: for the mountain river it is the mean annual flow of 90% probability.

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Title: Estimation of the Ecological Flow of Mountain River in Ukrainian Carpathians for Small Hydropower Projects
Authors: Svitlana Velychko
Olena Dupliak
Publisher: Springer International Publishing
Book: Proceedings of EcoComfort 2020
Print ISBN: 978-3-030-57339-3

Electronic ISBN: 978-3-030-57340-9

Copyright Year: 2021
DOI: https://doi.org/10.1007/978-3-030-57340-9_60

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