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APPLICATION OF THE MAXIMUM RUNOFF REGIONALIZATION METHOD FOR THE NISHAVA CATCHMENT

Daniela Zlatunova

First published: 2021-12-20https://doi.org/10.5593/sgem2021/3.1/s12.06View metrics

Abstract

The objective of the study is to calculate with highest reliability the values of the maximum runoff with different probabilities in Nishava catchment, in relation to elaboration of flood risk maps for Godech town. To calculate the maximum runoff of the Nishava catchment, the regionalization method was applied. This method was developed in the state of Baden-Wurttemberg, Germany and is widely used in practice. It is based on eight characteristics and factors of catchment areas and river systems: catchment area; urbanized area; afforestation; average slope; length of the river along the main rivers from the watershed to the confluence; length of the river from the center of gravity of the watershed to its confluence; average annual precipitation; landscape factor. The described characteristics and factors are included in a multiple linear regression equation by which the maximum runoff with different probability is calculated. The main result is the calculation of the maximum runoff of the Nishava River near the town of Godech. The obtained results show that the regionalization method is particularly suitable for calculating the maximum runoff in unobserved catchments, such as the Nishava catchment.

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Publication details

Title
APPLICATION OF THE MAXIMUM RUNOFF REGIONALIZATION METHOD FOR THE NISHAVA CATCHMENT
Authors
Daniela Zlatunova
Proceedings
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Water Resources. Forest, Marine and Ocean Ecosystems
Publisher
STEF92 Technology
Year
2021
Pages
45-52
SWS Citekey
Zlatunova2021124552
ISSN
1314-2704
ISBN
978-619-7603-24-8
Language
en
Publication type
Conference Paper
Keywords
maximum runoffregionalization methodNishava catchment
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