Sedimentation and water quality deterioration problems at Terengganu Riverbasin, Terengganu, Malaysia

Noorjima Abd Wahab, Mohd Khairul Amri Kamarudin, Mohd. Ekhwan Toriman, Hafizan Juahir, Muhammad Hafiz Md Saad, Frankie Marcus Ata, Adiana Ghazali, Abdul Rahman Hassan, Hanif Abdullah, Khairul Nizam Abdul Maulud, Marlia Mohd Hanafiah, Hazamri Harith

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Rivers, which provide 90% of the readily available freshwater, are key components of global water resource system. Terengganu River experienced deterioration in water quality, resulting from the sedimentation, anthropogenic, geomorphology problems and unsustainable development management around the riverbasin. This study was implemented to prove the sedimentation problem especially the formation of total suspended solid (TSS) and annual sediment load (SL). The technique of analysis of primary data obtained which determine according with the procedure TSS and SL. The results showed that the highest average of TSS (mg/L) is 67.2 (wet season) and 128.2 (dry season) which are class III. While the highest turbidityis 43.57 (wet season) and 21.57 (dry season) which are Class II based on National Water Quality Standard (NWQS). The highest annual average estimation for annual SL flow out from the Terengganu River Basin is6, 846.709 tonnes/km2/year (Manir River Basin) the lowest in the Pauh River Basin is 2.850 tonnes/km2/year.The statistical analysis proved the weak regression relationship between TSS, river discharges (Q), SL and area of catchment caused by the anthropogenic factors and uncertain climate changes. Furthermore, the water in the Terengganu River was classified under class III caused by the active land use activities especially industrial and development but it is still suitable for recreational activities and safe for body contact because its water quality index is not less than 65% which early stage of Class II. The contributors of sedimentation problems are from unsustainable land use such as sand mining activities which effectively trap the bed sediments, backflow that carries out high sediments, as well as sedimentation produced due to the riverbank erosion. This study suggests the sedimentation management methods including land use settlement, cliff erosion problems, settlement and negotiable of uncontrolled development operations in Terengganu River and the integration of river management methods based on integrated river basin management in Terengganu River Basin is recommended.

Original languageEnglish
Pages (from-to)228-241
Number of pages14
JournalDesalination and Water Treatment
Volume149
DOIs
Publication statusPublished - 1 May 2019

Fingerprint

Sedimentation
Water quality
Deterioration
Rivers
sedimentation
water quality
river basin
Catchments
Sediments
sediment
land use
river
wet season
Land use
dry season
erosion
river management
recreational activity
basin management
Erosion

Keywords

  • Annual sediment load (SL)
  • National water quality standard (NWQS)
  • Sedimentation
  • Terengganu River basin
  • Total suspended solid (TSS)

ASJC Scopus subject areas

  • Water Science and Technology
  • Ocean Engineering
  • Pollution

Cite this

Sedimentation and water quality deterioration problems at Terengganu Riverbasin, Terengganu, Malaysia. / Wahab, Noorjima Abd; Amri Kamarudin, Mohd Khairul; Toriman, Mohd. Ekhwan; Juahir, Hafizan; Md Saad, Muhammad Hafiz; Ata, Frankie Marcus; Ghazali, Adiana; Hassan, Abdul Rahman; Abdullah, Hanif; Abdul Maulud, Khairul Nizam; Mohd Hanafiah, Marlia; Harith, Hazamri.

In: Desalination and Water Treatment, Vol. 149, 01.05.2019, p. 228-241.

Research output: Contribution to journalArticle

Wahab, NA, Amri Kamarudin, MK, Toriman, ME, Juahir, H, Md Saad, MH, Ata, FM, Ghazali, A, Hassan, AR, Abdullah, H, Abdul Maulud, KN, Mohd Hanafiah, M & Harith, H 2019, 'Sedimentation and water quality deterioration problems at Terengganu Riverbasin, Terengganu, Malaysia', Desalination and Water Treatment, vol. 149, pp. 228-241. https://doi.org/10.5004/dwt.2019.23836
Wahab, Noorjima Abd ; Amri Kamarudin, Mohd Khairul ; Toriman, Mohd. Ekhwan ; Juahir, Hafizan ; Md Saad, Muhammad Hafiz ; Ata, Frankie Marcus ; Ghazali, Adiana ; Hassan, Abdul Rahman ; Abdullah, Hanif ; Abdul Maulud, Khairul Nizam ; Mohd Hanafiah, Marlia ; Harith, Hazamri. / Sedimentation and water quality deterioration problems at Terengganu Riverbasin, Terengganu, Malaysia. In: Desalination and Water Treatment. 2019 ; Vol. 149. pp. 228-241.
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