RETRACTED: Hydrological and climate impacts on river characteristics of Pahang River Basin, Malaysia

Amri Kamarudin, Mohd Khairul; Toriman, Mohd Ekhwan; Wahab, Noorjima Abd; Abu Samah, Mohd Armi; Abdul Maulud, Khairul Nizam; Hamzah, Firdaus Mohamad; Mohd Saudi, Ahmad Shakir; Sunardi, Sunardi

doi:10.1016/j.heliyon.2023.e21573

Heliyon

2023

DOI: 10.1016/j.heliyon.2023.e21573

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RETRACTED: Hydrological and climate impacts on river characteristics of Pahang River Basin, Malaysia

Mohd Khairul Amri Kamarudin,

Mohd Ekhwan Toriman,

Noorjima Abd Wahab

et al.

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2024

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Cited by 3 publications

References 105 publications

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Application of remote sensing and GIS to understand the spatio-temporal shifting of Bagmati River of Nepal

Baral,

Basnet,

Dahal

2024

Environmental Challenges

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Application of remote sensing and GIS to understand the spatio-temporal shifting of Bagmati River of Nepal

Baral,

Basnet,

Dahal

2024

Environmental Challenges

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Integrated Lake Basin Management (Ilbm) of Hydrological Assessment Characteristics in Kenyir Lake Basin, Terengganu, Malaysia

Abd Wahab,

Kamarudin,

Ata

et al. 2024

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Lake water is a vital resource in supporting life, which is important for the ecosystem of both flora and fauna. Monitoring lake-related programmes based on methodical decision-making and management tools are necessary for the sustainable use of lake water resources. This research's objectives include analysing the characteristics of hydrological quality to identify the current condition of the physical environment of the Kenyir Lake Basin, and providing integrated management methods for its water resources. 21 monitoring stations were chosen for sampling in three seasons (normal season, wet season and dry season) throughout the Kenyir Lake Basin. This study evaluates both in situ and ex situ methods for water quality, followed by a lab test according to American Public Health Association (APHA) standards. Water velocity is a major factor in erosion and the production of sediment, and it is determined by the quantity and intensity of rainfall. It is discovered that there is a significant deterioration in the quality of the water, elevating the rate of erosion with the remarkable water velocity and volume. Aside from that, the rapid urbanisation and population growth in Malaysia is contributing to an increasing level of pollution in the nation's lakes. The ILBM-based adaptive management solutions are adaptable and capable of adjusting to shifting environmental circumstances, which help in revising management plans based on data-monitoring as well as stakeholder feedback.

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Water Quality Assessment using Selected Macroinvertebrate Based Indices and Water Quality Index of Sungai Air Hitam Selangor

Abu Sama,

Yuzir,

Azman

2024

Trop. Aqua. Soil Pollut.

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A study was conducted from July to December 2022 at Sungai Air Hitam, a small tributary of the Selangor River located within the Tanjung Karang Sub-basin in Malaysia (coordinates: 3° 24' 27" N, 101° 25' 54" E to 3° 28' 14" N, 101° 26' 59" E). This confluence is situated near three major downstream water treatment plants. The study assessed six water quality parameters—pH, dissolved oxygen (DO), biological oxygen demand (BOD), chemical oxygen demand (COD), ammonia (NH3), and suspended solids (SS)—to calculate the Water Quality Index (WQI). Macroinvertebrates were sampled simultaneously using the dipping net method to obtain biotic indices for further evaluation of water quality. The results indicated that the WQI classified Sungai Air Hitam as Class III, with scores ranging from 56.9 to 64.6, suggesting the river is suitable for water supply and fisheries. However, the Biological Monitoring Working Party (BMWP) index categorized the water quality as poor, with scores between 30 and 42. Similarly, the Average Score Per Taxon (ASPT) ranged from 3.25 to 5.25, indicating pollution or environmental impact, while the Family Biotic Index (FBI) further classified the river as having poor to very poor water quality, with scores between 6.57 and 8.11. Overall, the study suggests that Sungai Air Hitam has experienced some degree of ecological degradation. These findings emphasize the need for continuous monitoring and remediation efforts to preserve and restore water quality.

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RETRACTED: Hydrological and climate impacts on river characteristics of Pahang River Basin, Malaysia

Cited by 3 publications

References 105 publications

Application of remote sensing and GIS to understand the spatio-temporal shifting of Bagmati River of Nepal

Application of remote sensing and GIS to understand the spatio-temporal shifting of Bagmati River of Nepal

Integrated Lake Basin Management (Ilbm) of Hydrological Assessment Characteristics in Kenyir Lake Basin, Terengganu, Malaysia

Water Quality Assessment using Selected Macroinvertebrate Based Indices and Water Quality Index of Sungai Air Hitam Selangor

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