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

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 a...

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Autores principales:	Sérgio Lousada, José Cabezas, Rui Alexandre Castanho, José Manuel Naranjo Gómez
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	hydraulics hydrology insular territories spatial analysis territorial management urban planning Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
Acceso en línea:	https://doaj.org/article/a9c9a0f7e6964a7fb1bbb0b2810ba78a
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spelling	oai:doaj.org-article:a9c9a0f7e6964a7fb1bbb0b2810ba78a2021-11-11T19:52:32ZHydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava10.3390/w132129512073-4441https://doaj.org/article/a9c9a0f7e6964a7fb1bbb0b2810ba78a2021-10-01T00:00:00Zhttps://www.mdpi.com/2073-4441/13/21/2951https://doaj.org/toc/2073-4441The 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.Sérgio LousadaJosé CabezasRui Alexandre CastanhoJosé Manuel Naranjo GómezMDPI AGarticlehydraulicshydrologyinsular territoriesspatial analysisterritorial managementurban planningHydraulic engineeringTC1-978Water supply for domestic and industrial purposesTD201-500ENWater, Vol 13, Iss 2951, p 2951 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	hydraulics hydrology insular territories spatial analysis territorial management urban planning Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500
spellingShingle	hydraulics hydrology insular territories spatial analysis territorial management urban planning Hydraulic engineering TC1-978 Water supply for domestic and industrial purposes TD201-500 Sérgio Lousada José Cabezas Rui Alexandre Castanho José Manuel Naranjo Gómez Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava
description	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.
format	article
author	Sérgio Lousada José Cabezas Rui Alexandre Castanho José Manuel Naranjo Gómez
author_facet	Sérgio Lousada José Cabezas Rui Alexandre Castanho José Manuel Naranjo Gómez
author_sort	Sérgio Lousada
title	Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava
title_short	Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava
title_full	Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava
title_fullStr	Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava
title_full_unstemmed	Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava
title_sort	hydraulic planning in insular urban territories: the case of madeira island—ribeira brava
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a9c9a0f7e6964a7fb1bbb0b2810ba78a
work_keys_str_mv	AT sergiolousada hydraulicplanningininsularurbanterritoriesthecaseofmadeiraislandribeirabrava AT josecabezas hydraulicplanningininsularurbanterritoriesthecaseofmadeiraislandribeirabrava AT ruialexandrecastanho hydraulicplanningininsularurbanterritoriesthecaseofmadeiraislandribeirabrava AT josemanuelnaranjogomez hydraulicplanningininsularurbanterritoriesthecaseofmadeiraislandribeirabrava
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Hydraulic Planning in Insular Urban Territories: The Case of Madeira Island—Ribeira Brava

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