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Seasonal Changes and Spatial Variation in Water Quality of a Large Young Tropical Reservoir and Its Downstream River
Joint Authors
Ling, Teck-Yee
Soo, Chen-Lin
Sim, Siong-Fong
Gerunsin, Norliza
Nyanti, Lee
Grinang, Jongkar
Source
Issue
Vol. 2017, Issue 2017 (31 Dec. 2017), pp.1-16, 16 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2017-07-26
Country of Publication
Egypt
No. of Pages
16
Main Subjects
Abstract EN
This study examined the water quality of the large young tropical Bakun hydroelectric reservoir in Sarawak, Malaysia, and the influence of the outflow on the downstream river during wet and dry seasons.
Water quality was determined at five stations in the reservoir at three different depths and one downstream station.
The results show that seasons impacted the water quality of the Bakun Reservoir, particularly in the deeper water column.
Significantly lower turbidity, SRP, and TP were found during the wet season.
At 3–6 m, the oxygen content fell below 5 mg/L and hypoxia was also recorded.
Low NO2--N, NO3--N, and SRP and high BOD5, OKN, and TP were observed in the reservoir indicating organic pollution.
Active logging activities and the dam construction upstream resulted in water quality deterioration.
The outflow decreased the temperature, DO, and pH and increased the turbidity and TSS downstream.
Elevated organic matter and nutrients downstream are attributable to domestic discharge along the river.
This study shows that the downstream river was affected by the discharge through the turbines, the spillway operations, and domestic waste.
Therefore, all these factors should be taken into consideration in the downstream river management for the health of the aquatic organisms.
American Psychological Association (APA)
Ling, Teck-Yee& Gerunsin, Norliza& Soo, Chen-Lin& Nyanti, Lee& Sim, Siong-Fong& Grinang, Jongkar. 2017. Seasonal Changes and Spatial Variation in Water Quality of a Large Young Tropical Reservoir and Its Downstream River. Journal of Chemistry،Vol. 2017, no. 2017, pp.1-16.
https://search.emarefa.net/detail/BIM-1172399
Modern Language Association (MLA)
Ling, Teck-Yee…[et al.]. Seasonal Changes and Spatial Variation in Water Quality of a Large Young Tropical Reservoir and Its Downstream River. Journal of Chemistry No. 2017 (2017), pp.1-16.
https://search.emarefa.net/detail/BIM-1172399
American Medical Association (AMA)
Ling, Teck-Yee& Gerunsin, Norliza& Soo, Chen-Lin& Nyanti, Lee& Sim, Siong-Fong& Grinang, Jongkar. Seasonal Changes and Spatial Variation in Water Quality of a Large Young Tropical Reservoir and Its Downstream River. Journal of Chemistry. 2017. Vol. 2017, no. 2017, pp.1-16.
https://search.emarefa.net/detail/BIM-1172399
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1172399