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Dam pre-release as an important operation strategy in reducing flood impact in Malaysia

The 2014 flood was reported to be one of the worst natural disaster has ever affected several states in the northern part of Peninsular Malaysia. Overwhelming rainfall was noted as one of the main factors causing such impact, which was claimed to be unprecedented to some extent. The state of Perak,...

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Main Authors: Hidayah Ishak, N., Mustafa Hashim, A.
Format: Article
Published: EDP Sciences 2018
Online Access:https://www.scopus.com/inward/record.uri?eid=2-s2.0-85047764840&doi=10.1051%2fe3sconf%2f20183402017&partnerID=40&md5=167acce89bb109edcba286f6a6582271
http://eprints.utp.edu.my/21683/
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spelling my.utp.eprints.216832018-09-04T02:26:58Z Dam pre-release as an important operation strategy in reducing flood impact in Malaysia Hidayah Ishak, N. Mustafa Hashim, A. The 2014 flood was reported to be one of the worst natural disaster has ever affected several states in the northern part of Peninsular Malaysia. Overwhelming rainfall was noted as one of the main factors causing such impact, which was claimed to be unprecedented to some extent. The state of Perak, which is blessed with four cascading dams had also experienced flood damage at a scale that was considered the worst in history. The rainfall received had caused the dam to reach danger level that necessitated additional discharge to be released. Safety of the dams was of great importance and such unavoidable additional discharge was allowed to avoid catastrophic failure of the dam structures. This paper discusses the dam pre-release as a significant dam management strategy in reducing flood impact. An important balance between required dam storage to be maintained and the risk element that can be afforded is the crucial factor in such enhanced operation strategy. While further possibility in developing a carefully engineered dam pre-release strategy can be explored for dam operation in Malaysia, this has already been introduced in some developed countries. Australia and South Africa are examples where pre-release has been practiced and proven to reduce flood risk. The concept involves controlling the dam lake level throughout the year, in reference to the rainfall data and the hydrological properties for the catchment area of the dams. Plentiful data analysis need to be done in contemplation of producing the optimal pre-release model. The amount of heavy rainfalls received is beyond human control but the distribution of the discharge from the dams can be further managed with the appropriate pre-release strategy. © The Authors, published by EDP Sciences, 2018. EDP Sciences 2018 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85047764840&doi=10.1051%2fe3sconf%2f20183402017&partnerID=40&md5=167acce89bb109edcba286f6a6582271 Hidayah Ishak, N. and Mustafa Hashim, A. (2018) Dam pre-release as an important operation strategy in reducing flood impact in Malaysia. E3S Web of Conferences, 34 . http://eprints.utp.edu.my/21683/
institution Universiti Teknologi Petronas
building UTP Resource Centre
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Petronas
content_source UTP Institutional Repository
url_provider http://eprints.utp.edu.my/
description The 2014 flood was reported to be one of the worst natural disaster has ever affected several states in the northern part of Peninsular Malaysia. Overwhelming rainfall was noted as one of the main factors causing such impact, which was claimed to be unprecedented to some extent. The state of Perak, which is blessed with four cascading dams had also experienced flood damage at a scale that was considered the worst in history. The rainfall received had caused the dam to reach danger level that necessitated additional discharge to be released. Safety of the dams was of great importance and such unavoidable additional discharge was allowed to avoid catastrophic failure of the dam structures. This paper discusses the dam pre-release as a significant dam management strategy in reducing flood impact. An important balance between required dam storage to be maintained and the risk element that can be afforded is the crucial factor in such enhanced operation strategy. While further possibility in developing a carefully engineered dam pre-release strategy can be explored for dam operation in Malaysia, this has already been introduced in some developed countries. Australia and South Africa are examples where pre-release has been practiced and proven to reduce flood risk. The concept involves controlling the dam lake level throughout the year, in reference to the rainfall data and the hydrological properties for the catchment area of the dams. Plentiful data analysis need to be done in contemplation of producing the optimal pre-release model. The amount of heavy rainfalls received is beyond human control but the distribution of the discharge from the dams can be further managed with the appropriate pre-release strategy. © The Authors, published by EDP Sciences, 2018.
format Article
author Hidayah Ishak, N.
Mustafa Hashim, A.
spellingShingle Hidayah Ishak, N.
Mustafa Hashim, A.
Dam pre-release as an important operation strategy in reducing flood impact in Malaysia
author_facet Hidayah Ishak, N.
Mustafa Hashim, A.
author_sort Hidayah Ishak, N.
title Dam pre-release as an important operation strategy in reducing flood impact in Malaysia
title_short Dam pre-release as an important operation strategy in reducing flood impact in Malaysia
title_full Dam pre-release as an important operation strategy in reducing flood impact in Malaysia
title_fullStr Dam pre-release as an important operation strategy in reducing flood impact in Malaysia
title_full_unstemmed Dam pre-release as an important operation strategy in reducing flood impact in Malaysia
title_sort dam pre-release as an important operation strategy in reducing flood impact in malaysia
publisher EDP Sciences
publishDate 2018
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85047764840&doi=10.1051%2fe3sconf%2f20183402017&partnerID=40&md5=167acce89bb109edcba286f6a6582271
http://eprints.utp.edu.my/21683/
_version_ 1738656323528032256
score 13.211869

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