Dam Break Modeling in a Cascade of Small EarthenDams: Case Study of the Cizina River in the Czech Republic
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F20%3APU137013" target="_blank" >RIV/00216305:26110/20:PU137013 - isvavai.cz</a>
Result on the web
<a href="https://www.mdpi.com/2073-4441/12/8/2309" target="_blank" >https://www.mdpi.com/2073-4441/12/8/2309</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.3390/w12082309" target="_blank" >10.3390/w12082309</a>
Alternative languages
Result language
angličtina
Original language name
Dam Break Modeling in a Cascade of Small EarthenDams: Case Study of the Cizina River in the Czech Republic
Original language description
Failures of small dams can pose a serious threat to people and property even if the size of the schemes is relatively low. In many cases, small dams are situated in a cascade along streams, meaning that the failure of the uppermost dam may cause the dams downstream to fail. In this paper, a cascade of three small reservoirs, Lichnov II (14.6 m high), Lichnov III (10 m high), and Pochen (8.5 m high), is the subject of the dam break analyses carried out via various methods such as empirical formulae, analogy, and hydraulic modeling. The dam-break flood routing was simulated using a shallow water flow hydraulic model. The simulations confirm that the attenuation effect of the peak discharge is governed by the flood volume, slope, and morphology of the floodplain and increases with the distance from the breached dam following an approximately exponential trend. When estimating peak discharge, empirical formulae derived for a single dam break should be applied carefully as they may underestimate the peak outflow by up to 10% in the case of a dam cascade. The attenuation volume of small reservoirs is small when compared to the flood volume, meaning that the attenuation of the peak discharge usually varies between 5–10%.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
20101 - Civil engineering
Result continuities
Project
—
Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Water
ISSN
2073-4441
e-ISSN
—
Volume of the periodical
12
Issue of the periodical within the volume
8
Country of publishing house
CH - SWITZERLAND
Number of pages
21
Pages from-to
1-21
UT code for WoS article
000565585500001
EID of the result in the Scopus database
2-s2.0-85090227781