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Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review

Green roofs are an increasingly important component of water-sensitive urban design systems that can potentially improve the quality of urban runoff, reduce the energy consumption of buildings, and add esthetic value to the environment. The most important green roof abilities, which appear as a key...

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Main Authors: Hashemi, Sajedeh Sadat Ghazizadeh, Mahmud, Hilmi, Ashraf, Muhammad Aqeel
Format: Article
Published: Elsevier 2015
Subjects:
Q Science (General)
T Technology (General)
Online Access:http://eprints.um.edu.my/16386/
https://doi.org/10.1016/j.rser.2015.07.163
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spelling my.um.eprints.163862019-11-08T08:07:38Z http://eprints.um.edu.my/16386/ Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review Hashemi, Sajedeh Sadat Ghazizadeh Mahmud, Hilmi Ashraf, Muhammad Aqeel Q Science (General) T Technology (General) Green roofs are an increasingly important component of water-sensitive urban design systems that can potentially improve the quality of urban runoff, reduce the energy consumption of buildings, and add esthetic value to the environment. The most important green roof abilities, which appear as a key feature in urban catchments are the ability of rainwater detention and retention and reduction in energy consumption. This paper aims to provide an overview of the effects of the application of the green roof strategy on the quality of runoff water and the reduction of energy consumption. The components of a green roof are discussed, and the advantages and disadvantages of different types of green roofs are assessed. In addition, the origins and concentrations of the main pollutants are discussed, moreover environmental cost-benefits of green roofs are also considered. In addition, the main factors that affect the quality of green roof runoff water, e.g., plant species, fertilization, pH, growth media as well as how green roofs could reduce energy consumption are discussed. Green roofs are considered as sustainable approach for runoff management with achieved aesthetical values and in combination with energy saving on heating/cooling. Hence, green roof causes a sufficient decrease in energy consumption and consequently in the related energy costs. It can help to improve the micro climate around the buildings and save money and also improve water quality. Therefore, green roofs may turn into a profitable investment. Some recommendations for future study also are proposed. (C) 2015 Elsevier Ltd. All rights reserved. Elsevier 2015 Article PeerReviewed Hashemi, Sajedeh Sadat Ghazizadeh and Mahmud, Hilmi and Ashraf, Muhammad Aqeel (2015) Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review. Renewable and Sustainable Energy Reviews, 52. pp. 669-679. ISSN 1364-0321 https://doi.org/10.1016/j.rser.2015.07.163 doi:10.1016/j.rser.2015.07.163
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
T Technology (General)
spellingShingle Q Science (General)
T Technology (General)
Hashemi, Sajedeh Sadat Ghazizadeh
Mahmud, Hilmi
Ashraf, Muhammad Aqeel
Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
description Green roofs are an increasingly important component of water-sensitive urban design systems that can potentially improve the quality of urban runoff, reduce the energy consumption of buildings, and add esthetic value to the environment. The most important green roof abilities, which appear as a key feature in urban catchments are the ability of rainwater detention and retention and reduction in energy consumption. This paper aims to provide an overview of the effects of the application of the green roof strategy on the quality of runoff water and the reduction of energy consumption. The components of a green roof are discussed, and the advantages and disadvantages of different types of green roofs are assessed. In addition, the origins and concentrations of the main pollutants are discussed, moreover environmental cost-benefits of green roofs are also considered. In addition, the main factors that affect the quality of green roof runoff water, e.g., plant species, fertilization, pH, growth media as well as how green roofs could reduce energy consumption are discussed. Green roofs are considered as sustainable approach for runoff management with achieved aesthetical values and in combination with energy saving on heating/cooling. Hence, green roof causes a sufficient decrease in energy consumption and consequently in the related energy costs. It can help to improve the micro climate around the buildings and save money and also improve water quality. Therefore, green roofs may turn into a profitable investment. Some recommendations for future study also are proposed. (C) 2015 Elsevier Ltd. All rights reserved.
format Article
author Hashemi, Sajedeh Sadat Ghazizadeh
Mahmud, Hilmi
Ashraf, Muhammad Aqeel
author_facet Hashemi, Sajedeh Sadat Ghazizadeh
Mahmud, Hilmi
Ashraf, Muhammad Aqeel
author_sort Hashemi, Sajedeh Sadat Ghazizadeh
title Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
title_short Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
title_full Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
title_fullStr Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
title_full_unstemmed Performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
title_sort performance of green roofs with respect to water quality and reduction of energy consumption in tropics: a review
publisher Elsevier
publishDate 2015
url http://eprints.um.edu.my/16386/
https://doi.org/10.1016/j.rser.2015.07.163
_version_ 1651867367240630272
score 13.211869

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