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Green roof for sustainable urban flash flood control via cost benefit approach for local authority

People migration to urban region have created dense opaque urban landscape which generates high volume of storm water runoff and frequent flash flood episodes. This has caused tremendous damages and loss to the nation. Local authority has to spend greatly to repair damages caused by this disaster. S...

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Main Authors: Ab. Azis, Shazmin Shareena, Zulkifli, Nur Amira Aina
Format: Article
Published: Elsevier GmbH 2021
Subjects:
GE Environmental Sciences
Online Access:http://eprints.utm.my/id/eprint/94645/
http://dx.doi.org/10.1016/j.ufug.2020.126876
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spelling my.utm.946452022-03-31T15:51:49Z http://eprints.utm.my/id/eprint/94645/ Green roof for sustainable urban flash flood control via cost benefit approach for local authority Ab. Azis, Shazmin Shareena Zulkifli, Nur Amira Aina GE Environmental Sciences People migration to urban region have created dense opaque urban landscape which generates high volume of storm water runoff and frequent flash flood episodes. This has caused tremendous damages and loss to the nation. Local authority has to spend greatly to repair damages caused by this disaster. Studies have proven that green roof acts as an efficient green infrastructure to control storm water runoff and hindrance flash flood occurrences. However, the worth of implementing green roof for the local authority remains unrevealed. This study prompts to assess the economic worth of implementing green roof for the local authority using costs benefits analysis. Overall, extensive green roof provides better cost benefits ratio than intensive green roof whereby the benefit is 1.2–3.5 times larger than green roof cost. Roof slope contributes the highest benefit ratio for intensive green roof at 2 times higher than minimum cost. Meanwhile, vegetation provides the largest benefit ratio for extensive green roof at 4.2 times larger than minimum cost. Green roof has proven to be worthy for local authority from the economic and environment aspects. This is significant in creating a new pathway to encourage sustainable practice among local authority thus serve national sustainable development agenda. Elsevier GmbH 2021 Article PeerReviewed Ab. Azis, Shazmin Shareena and Zulkifli, Nur Amira Aina (2021) Green roof for sustainable urban flash flood control via cost benefit approach for local authority. Urban Forestry and Urban Greening, 57 . p. 126876. ISSN 1618-8667 http://dx.doi.org/10.1016/j.ufug.2020.126876
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic GE Environmental Sciences
spellingShingle GE Environmental Sciences
Ab. Azis, Shazmin Shareena
Zulkifli, Nur Amira Aina
Green roof for sustainable urban flash flood control via cost benefit approach for local authority
description People migration to urban region have created dense opaque urban landscape which generates high volume of storm water runoff and frequent flash flood episodes. This has caused tremendous damages and loss to the nation. Local authority has to spend greatly to repair damages caused by this disaster. Studies have proven that green roof acts as an efficient green infrastructure to control storm water runoff and hindrance flash flood occurrences. However, the worth of implementing green roof for the local authority remains unrevealed. This study prompts to assess the economic worth of implementing green roof for the local authority using costs benefits analysis. Overall, extensive green roof provides better cost benefits ratio than intensive green roof whereby the benefit is 1.2–3.5 times larger than green roof cost. Roof slope contributes the highest benefit ratio for intensive green roof at 2 times higher than minimum cost. Meanwhile, vegetation provides the largest benefit ratio for extensive green roof at 4.2 times larger than minimum cost. Green roof has proven to be worthy for local authority from the economic and environment aspects. This is significant in creating a new pathway to encourage sustainable practice among local authority thus serve national sustainable development agenda.
format Article
author Ab. Azis, Shazmin Shareena
Zulkifli, Nur Amira Aina
author_facet Ab. Azis, Shazmin Shareena
Zulkifli, Nur Amira Aina
author_sort Ab. Azis, Shazmin Shareena
title Green roof for sustainable urban flash flood control via cost benefit approach for local authority
title_short Green roof for sustainable urban flash flood control via cost benefit approach for local authority
title_full Green roof for sustainable urban flash flood control via cost benefit approach for local authority
title_fullStr Green roof for sustainable urban flash flood control via cost benefit approach for local authority
title_full_unstemmed Green roof for sustainable urban flash flood control via cost benefit approach for local authority
title_sort green roof for sustainable urban flash flood control via cost benefit approach for local authority
publisher Elsevier GmbH
publishDate 2021
url http://eprints.utm.my/id/eprint/94645/
http://dx.doi.org/10.1016/j.ufug.2020.126876
_version_ 1729703201364508672
score 13.244745

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