Bedload sediment concentration of Sungai Kahang downstream Kahang dam in Johor

Adnan, Mohd Shalahuddin and Nda, Muhammad and Zakaria, Mohd Shazrin and Mohammad Razi, Mohd Adib and Suhadak, Mohamad Arif and Mohd Yusoff, Mohd Azlan and Rahmat, Siti Nazahiyah and Abustan, Muhammad Salleh and Ahmad Tajudin, Saiful Azhar (2018) Bedload sediment concentration of Sungai Kahang downstream Kahang dam in Johor. International Journal of Integrated Engineering, 10 (2). pp. 146-150. ISSN 2229-838X

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Dams construction globally on rivers have generated a significant adjustment to stream hydrology and sediment dynamics. The impoundment of rivers by dam reservoirs will trap the sediments following freely downstream the river channel. Kahang dam is constructed to impound Sungai Kahang (Kahang River) for water supply purposes; this may have adverse effects downstream the dam by starving the river its natural sediments and changing the river flow. This study evaluates the bedload sediments and river discharge downstream the dam by taking field measurements, using the area-velocity and single increment method at three selected gauging locations (St0, St1, St2). The results obtained between January and July 2017 show the highest bedload discharge for all the gauging Stations to be 0.0736 tones/day at St0 and 0.0077 tones/day at St2 while the river flow remains relatively steady between 0.528 m3 /s to 2.534 m3 /s. The high bedload discharge recorded can be attributed to the anthropogenic activities going on during external construction works going on, as lower bedload concentration values followed immediately after the external construction work was completed.

Item Type: Article
Uncontrolled Keywords: Bedload, suspended solid, Kahang River,
Subjects: T Technology > TH Building construction
T Technology > TD Environmental technology. Sanitary engineering > TD783-812.5 Municipal refuse. Solid wastes
Divisions: Faculty of Civil Engineering and Built Environment > Department of Civil Engineering : Infrastructure and Geomatic Engineering
Depositing User: UiTM Student Praktikal
Date Deposited: 22 Nov 2021 03:21
Last Modified: 22 Nov 2021 03:21

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