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Water 2017, 9(6), 445; doi:10.3390/w9060445

Urban Flood Simulation Using MODCEL—An Alternative Quasi-2D Conceptual Model

1
Escola Politécnica & PEC-COPPE, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 149, CT, Bl. I-206, Cidade Universitária, Rio de Janeiro 21941-909, Brazil
2
PEC-COPPE, Universidade Federal do Rio de Janeiro, Av. Athos da Silveira Ramos, 149, CT, Bl. I-206, Cidade Universitária, Rio de Janeiro 21941-909, Brazil
3
Faculdade de Arquitetura e Urbanismo & PEC-COPPE, Universidade Federal do Rio de Janeiro, Av. Pedro Calmon, 550, s.422, Prédio da Reitoria/FAU, Cidade Universitária, Rio de Janeiro 21941-901, Brazil
4
CIRF-Centro Italiano per la Riqualificazione Fluviale, Viale Garibaldi, 44/A 30173 Mestre (VE), Italy
*
Author to whom correspondence should be addressed.
Received: 24 March 2017 / Revised: 11 June 2017 / Accepted: 13 June 2017 / Published: 21 June 2017
(This article belongs to the Special Issue Modeling of Water Systems)

Abstract

Urban flood modelling has been evolving in recent years, due to computational facilities as well as to the possibility of obtaining detailed terrain data. Flood control techniques have also been evolving to integrate both urban flood and urban planning issues. Land use control and flow generation concerns, as well as a set of possible distributed measures favouring storage and infiltration over the watershed, also gained importance in flood control projects, reinforcing the need to model the entire basin space. However, the use of 2D equations with highly detailed digital elevation models do not guarantee good results by their own. Urban geometry, including buildings shapes, walls, earth fills, and other structures may cause significant interference on flood paths. In this context, this paper presents an alternative urban flood model, focusing on the system behaviour and its conceptual interpretation. Urban Flood Cell Model-MODCEL is a hydrological-hydrodynamic model proposed to represent a complex flow network, with a set of relatively simple information, using average values to represent urban landscape through the flow-cell concept. In this work, to illustrate model capabilities, MODCEL is benchmarked in a test proposed by the British Environmental Agency. Then, its capability to represent storm drains is verified using measured data and a comparison with Storm Water Management Model (SWMM). Finally, it is applied in a lowland area of the Venetian continental plains, representing floods in a complex setup at the city of Noale and in its surroundings. View Full-Text
Keywords: urban flood modelling; dual drainage; hydrodynamic mathematical modelling; MODCEL urban flood modelling; dual drainage; hydrodynamic mathematical modelling; MODCEL
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Gomes Miguez, M.; Peres Battemarco, B.; Martins De Sousa, M.; Moura Rezende, O.; Pires Veról, A.; Gusmaroli, G. Urban Flood Simulation Using MODCEL—An Alternative Quasi-2D Conceptual Model. Water 2017, 9, 445.

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