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Thermal and hydrological performance of extensive green roofs in Amazon climate, Brazil.
- Source :
- Proceedings of the Institution of Civil Engineers: Engineering Sustainability; May2020, Vol. 173 Issue 3, p125-134, 10p
- Publication Year :
- 2020
-
Abstract
- Improper urban planning has been proven to produce excessive environmental impacts in urban areas, such as urban flooding and urban heat islands. A new approach to protecting the urban environment brought forward the idea of low-impact urban development, which uses rainwater-control devices such as cisterns, permeable pavements and green roofs. This study aimed to evaluate the potential of green roofs in two important environmental dimensions: thermal and hydrological. An experimental study was conducted at the Federal University of Pará Guamá Campus, Belém, Brazil. Hydrological and thermal data from a green roof and a fibre-cement roof were collected and compared to analyse the performance of the roofs. The results showed extensive green roofs to be an effective tool for reducing rainfall run-off at the roof scale, particularly for small-storm events, as well as an efficient thermal roof insulation. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 14784629
- Volume :
- 173
- Issue :
- 3
- Database :
- Complementary Index
- Journal :
- Proceedings of the Institution of Civil Engineers: Engineering Sustainability
- Publication Type :
- Academic Journal
- Accession number :
- 142649070
- Full Text :
- https://doi.org/10.1680/jensu.18.00060