Managing Flood Problems
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Transcript of Managing Flood Problems
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MANAGINGFLOOD PROBLEMS
IN MALAYSIA
AINUN BARIAH BINTI JAAFARPISMP MATHEMATIC JANUARY 2012
ENGLISH FOR UNDERGRADUATE (ELE 3101)
IPG KAMPUS PEREMPUAN MELAYU
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What is Flood?
An overflowing of a large amount ofwater beyond its normal confines,especially over what is normally dry land
(The Oxford English Dictionary)
A high level of water which overtops
either a natural or an artificialriverbank, or rises above normal levelsor sea defences in coastal enviroments
(The Oxford Companion to the Earth)
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Flood Prone Area in Malaysia
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Main Causes ofFlooding inMalaysia
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1) Torrential rain
2) Monsoon rain
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3) Loss of floodstorage as a result of
development
4) Urbanisation increasesurface runoff
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5) Inadequateriver capacity
6) Inadequate
drainage systemsor failure of
localised drainage
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How to controlflooding?
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STRUCTURAL
MEASURES (ENGINEERINGSOLUTIONS)
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Constructed to retainflood water in orderto protect areasdownstream of the
dams. Dams constructed for
hydroelectricpurposes also have a
portion of theircapacity allocated forflood detention.
1) Flood Control Dams
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2) Canalisation And Related Works
Widening anddeepening ofchannels
Replacement ofundersizedstructures such as
bridges.
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3) Flood Diversion Channel Or Tunnel
The SMART system,
Alleviate flooding in thecity centre by divertinglarge volumes of floodwater from entering thecity centre.
The tunnel is designed to
incorporate a stormwaterchannel and a motorwayfor dual purposes.
Expected to ease traffic
congestion.
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NON-STRUCTURAL
MEASURES (NON-ENGINEERING
SOLUTIONS)
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Integrated River Basin Management(IRBM)
– Whole river basin isplanned in an integratedmanner and all factors
are taken intoconsideration when Acertain development planis proposed
– Implemented startingfrom the 8th malaysiaplan
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Preparation Of Guidelines And
Design Standards – Urban Stormwater
Management Manual(MASMA) has been
published by Department ofIrrigation and DrainageMalaysia (DID)
– provides control-atsourcemeasures and
recommendations on floodfighting
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Resettlement Of Population
Reduce damagepotential as well asloss of life in flood-
prone areas
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Flood Forecasting And Warning System
practical and low-cost measure to minimise flood losses
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QUESTIONS
1) What factors contribute to flood?
2) What are the consequences of flood?
3) How do we manage flood risks?
4) As a man who cares, what steps would you take to reduce this flood problem?
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BIBLIOGRAPHY
Chia Chong Wing. (2008). Feature: Managing Flood Problems In Malaysia. Buletin Ingenieur: Ministry ofNatural Resources & Environment.
Ministry of Natural Resources & Environment. (2013).Retrieve on 10 March 2013http://www.nre.gov.my/english/Pages/defaultNRE.aspx
Queensland Government. (2013). Understanding floods:
questions and answers. Retrieve on 12 March 2013http://www.chiefscientist.qld.gov.au/publications/understanding-floods.aspx