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Hydrological performance of green roofs under Mediterranean climate. Native plants in the urban space

2015Master thesis Open access
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dc.contributor.advisorCameira, Maria do Rosário
dc.contributor.authorBrandão, Carolina Pinto
dc.date.accessioned2016-03-15T14:46:02Z
dc.date.available2016-03-15T14:46:02Z
dc.date.issued2015
dc.descriptionMestrado em Arquitectura Paisagista - Instituto Superior de Agronomiapt_PT
dc.description.abstractUrban areas generate considerable amounts of storm water runoff due to a high percentage of impervious surfaces. In Mediterranean climates, during winter, there can be large volumes of rainfall in short periods of time causing floods. Green roofs are emerging as a tool for storm water management. The use of native plants, besides promoting biodiversity, reduces maintenance and irrigation requirements, which gains relevance since water is scarce during summer. This work investigates the influence of rainfall, vegetation and substrate types upon the rainfall-runoff relations under Mediterranean climate. Nine test beds were installed on a building rooftop on the Instituto Superior de Agronomia, incorporating two substrates and five different vegetation covers. Results for the autumn/winter period show that the vegetated systems did not only reduce the amount of storm water runoff, but also attenuated its peak and delayed its occurrence. Overall mean retention ranged from 63 to 82 %. The combination of shrubs, grasses and mosses proved to be the most effective vegetation cover. Estimations revealed that, by greening the flat roofs of the Municipality of Lisbon, over 224 000 m3 of water could be retained, relieving the drainage systems and preventing floodspt_PT
dc.identifier.citationBranndão, C.B. - Hydrological performance of green roofs under Mediterranean climate. Native plants in the urban space. Lisboa: ISA, 2015, 129 p.pt_PT
dc.identifier.tid201845717
dc.identifier.urihttp://hdl.handle.net/10400.5/11197
dc.language.isoengpt_PT
dc.publisherISA/ULpt_PT
dc.subjectgreen roofspt_PT
dc.subjectstormwater managementpt_PT
dc.subjectmediterranean native plantspt_PT
dc.titleHydrological performance of green roofs under Mediterranean climate. Native plants in the urban spacept_PT
dc.typemaster thesis
dspace.entity.typePublication
rcaap.rightsOpenAccesspt_PT
rcaap.typemasterThesispt_PT

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