http://www.cnr.it/ontology/cnr/individuo/prodotto/ID271041
The spillway collapse of the Montedoglio dam on the Tiber River (central Italy): data collection and event analysis (Articolo in rivista)
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- The spillway collapse of the Montedoglio dam on the Tiber River (central Italy): data collection and event analysis (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1061/(ASCE)HE.1943-5584.0000890 (literal)
- Alternative label
Tommaso Moramarco, Silvia Barbetta, Claudia Pandolfo,
Angelica Tarpanelli, Nicola Berni, Renato Morbidelli (2014)
The spillway collapse of the Montedoglio dam on the Tiber River (central Italy): data collection and event analysis
in Journal of hydrologic engineering (Online); ASCE, American society of civil engineers, New York (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Tommaso Moramarco, Silvia Barbetta, Claudia Pandolfo,
Angelica Tarpanelli, Nicola Berni, Renato Morbidelli (literal)
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- http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29HE.1943-5584.0000890 (literal)
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- Rivista
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- National Research Council, IRPI, Via Madonna Alta 126, 06128 Perugia, Italy
Umbria Region Functional Centre, Via Romana Vecchia, 06034 Foligno (Perugia), Italy
Department of Civil and Environmental Engineering, University of Perugia, Italy (literal)
- Titolo
- The spillway collapse of the Montedoglio dam on the Tiber River (central Italy): data collection and event analysis (literal)
- Abstract
- A large number of dams were built in Italy in the first decades of the last
century to supply the need of industrial, electric power, agricultural and drinking
purposes. Among them, the Montedoglio dam, an important reservoir on the Tiber River
located in central Italy, with a drainage area of 276 km2 and a maximum storage volume
of about 153 Mm3. The dam is an earth-fill structure with overfall spillway partly
controlled by two sluice gates. On 29th December, 2010 due to the partial sudden collapse
of the spillway a huge water volume flooded the valley below the dam with high damage
for the territory and population, luckily without causalities.
Considering that scarce data are available for this type of events worldwide, this paper
aims, on the one hand, to illustrate the collected data of the event in terms of reservoir
levels, discharge hydrograph observed at downstream gauged river sites and flooded
valley area, on the other hand, to simulate the breach evolution and the downstream
propagation of the outflow. Considering the Nash-Sutcliffe performance measure in
simulation of the recorded reservoir levels, the time of breach formation and the
corresponding discharge coefficient are obtained through an optimization procedure and
values of 0.02 h and 0.15 are found, respectively. Finally, the Manning's roughness
coefficients for the downstream main channel and the floodplain areas are detected
through a methodology based on one-dimensional hydraulic modelling by considering
different flooding scenarios of valley. (literal)
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