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Article

Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava

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Department of Civil Engineering and Geology (DECG), Faculty of Exact Sciences and Engineering (FCEE), University of Madeira (UMa), 9000-082 Funchal, Portugal
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CITUR-Madeira-Research Centre for Tourism Development and Innovation, 9000-082 Funchal, Portugal
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VALORIZA-Research Centre for Endogenous Resource Valorization, Polytechnic Institute of Portalegre (IPP), 7300 Portalegre, Portugal
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Environmental Resources Analysis Research Group (ARAM), University of Extremadura, 06071 Badajoz, Spain
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Institute of Research on Territorial Governance and Inter-Organizational Cooperation, 41-300 Dąbrowa Górnicza, Poland
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Science Faculty, University of Extremadura, 06006 Badajoz, Spain
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Faculty of Applied Sciences, WSB University, 41-300 Dąbrowa Górnicza, Poland
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College of Business and Economics, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg 2006, South Africa
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School of Agricultural Engineering, University of Extremadura, 06007 Badajoz, Spain
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Author to whom correspondence should be addressed.
Academic Editor: Richard C. Smardon
Water 2021, 13(21), 2951; https://doi.org/10.3390/w13212951
Received: 3 September 2021 / Revised: 13 October 2021 / Accepted: 15 October 2021 / Published: 20 October 2021
(This article belongs to the Special Issue Port Structures, Maritime Transport and Tourism)
The main objective of this study was to analyze the flood propensity of the main watercourse of Ribeira Brava drainage basin and, if necessary, to suggest two methodologies to mitigate the impacts, i.e., detention basin sizing and riverbed roughness coefficient adjustment. For the flood propensity assessment, geomorphological data obtained from the watershed characterization process was used through the SIG ArcGIS software and then used for the calculation of the expected peak flow rate for a return period of 100 years using the Gumbel Distribution. Finally, the drainage capacity of the river mouth was verified via the Manning-Strickler equation, with the purpose of establishing whether the river mouth of the watershed has the capacity to drain the entire volume of rainwater in an extreme flood event. In summary, the results indicate that the river mouth of the Ribeira Brava watershed does not have the capacity to drain the rain flow for the pre-established return period; therefore, the detention basin was sized using the Dutch Method and the Simplified Triangular Hydrograph Method, and the roughness coefficient was adjusted in order to ensure the increase in the river mouth’s drainage capacity. View Full-Text
Keywords: hydraulics; hydrology; insular territories; spatial analysis; territorial management; urban planning hydraulics; hydrology; insular territories; spatial analysis; territorial management; urban planning
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MDPI and ACS Style

Lousada, S.; Cabezas, J.; Castanho, R.A.; Gómez, J.M.N. Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava. Water 2021, 13, 2951. https://doi.org/10.3390/w13212951

AMA Style

Lousada S, Cabezas J, Castanho RA, Gómez JMN. Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava. Water. 2021; 13(21):2951. https://doi.org/10.3390/w13212951

Chicago/Turabian Style

Lousada, Sérgio, José Cabezas, Rui A. Castanho, and José M.N. Gómez. 2021. "Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava" Water 13, no. 21: 2951. https://doi.org/10.3390/w13212951

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