National Water Research Institute of Malaysia

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172 records
Journal ArticlePublic2023

Modelling Well Location Between River and Second Contaminant Source in Riverbank Filtration Systems

Extracting water from pumping well near to river in riverbank filtration systems leads to the natural treatment for surface water. To increase the system efficiency, the well should be located at a distance from the river in wh...

riverbank filtration systemsGreen function approachpumping wellAnalytical modelling
Journal ArticlePublic2023

TRANSFORMATION OF WATER TO EVAPORATION AND LONG RANGE DISCHARGE SYSTEM

Evaporation innovations through nozzle sprinklers and long range discharge systems are created based on the occurrence of stagnant floods at identified locations. Stagnant floods are water in an area that does not recede for 10...

Sprinkler nozzlesevaporationwater dischargehydro-mechanical systemand environment
Journal ArticlePublic2023

Calculation of Proper Time of Concentration for Drainage Design in Construction Projects for Urban Development

The design and construction of a proper drainage system are important for any urban development project, small or big. Hydrological and hydraulic calculations are used to design the drainage systems. The calculation of peak flo...

Construction Development ProjectDrainageRunoff Peak FlowUrban.
Journal ArticleRegistered2023

Spatio-temporal factors influencing coliform and Escherichia coli contamination in gross pollutant trap and wetland inlet, Putrajaya, Malaysia

This study investigated the spatial and temporal pattern of total coliform (TC) and Escherichia coli (E. coli) with the associated influencing environmental factors at GPT and lake inlets. Understanding these patterns is necess...

ColiformE.ColiGPTStormwater
Journal ArticlePublic2023

Numerical Modelling on Physical Model of Ringlet Reservoir, Cameron Highland, Malaysia: How Flow Conditions Affect the Hydrodynamics

The relative impacts of changes in the storage capacity of a reservoir are strongly influenced by its hydrodynamics. This study focused mainly on predicting the flow velocities and assessing the effectiveness of groynes as cont...

numerical modellingphysical modellingRinglet Reservoirhydrodynamicsflow velocity
Journal ArticlePublic2023

Photocatalytic degradation of bisphenol A and energy storage capability of novel MoO3/ZnO/GO under visible light irradiation

Discharging endocrine-disrupting compound (EDC), namely, bisphenol A (BPA) into a water body does not only affect the public health but also gives adverse effects to the ecosystem. To encounter this issue, reliable treatment fo...

Not available
Journal ArticleRegistered2016

PREDICTED IMPACTS TO MANGROVE AREA AT PULAU DUYONG, SABAH

The mangrove forest covers almost 70% of the coastal vegetation at Pulau Duyong, Sabah. The sheltered area of Terusan Duyong provided a conducive habitat for the mangroves to flourish and occupies almost the entire low lying ar...

Pulau Duyongmangroveinundationsea levelMalaysia
Journal ArticleRegistered2012

Desktop Study for Inundation of Kedah Estuary - Impact of sea Level Rise due to Climate Change

Sea level rise (SLR) due to climate change impact can cause inundation to low-lying coastal areas and estuaries, damage existing coastal infrastructures, change the marine ecology and habitats, and affect the livelihood and soc...

sea level riseclimate changeinundationKedah Estuaryphysical planning
Journal ArticlePublic2023

A multidimensional approach for microplastics monitoring in two major tropical river basins, Malaysia

Microplastics (MPs) with the size of 1 μm–5 mm are pollutants of great concern ubiquitously found in the environment. Existing efforts have found that most of the MPs present in the seas mainly originated from land via riverine...

Riverine systemEstuaryPlastic pollutionStraits of malaccaSouth China SeaPyrolysis-GC/MSMicro-FTIR
Journal ArticlePublic2023

Evaluation of Sewage Pollution in the Linggi River Water using Hydrochemical Parameters

Sewage pollution in the river water ecosystem has created many environmental problems worldwide. Hydrochemistry studies on river water have been used as a promising tool to comprehend the sewage pollution status in freshwater. ...

River watercationsanionshydrochemicalsewage pollution