Assessment of water salinity model using hydrodynamic numerical modelling in estuary of Selangor river, Malaysia [Penilaian kemasinan air menggunakan pemodelan model berangka hidronamik di muara sungai Selangor, Malaysia]

Mohd Ekhwan, Toriman and Mohd Khairul Amri, Kamarudin and Muhammad Barzani, Gasim (2015) Assessment of water salinity model using hydrodynamic numerical modelling in estuary of Selangor river, Malaysia [Penilaian kemasinan air menggunakan pemodelan model berangka hidronamik di muara sungai Selangor, Malaysia]. Malaysian Journal of Analytical Sciences, 19 (5). pp. 1109-1119. ISSN 13942506

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Abstract

Issues such as water pollution and extraction of water from Sungai Selangor system has been said to be the cause of ‘fading fireflies’. Salinity intrusion into estuary of the Sungai Selangor has been carried out on a hydrodynamic numerical modeling to access the parameter that governed the amount of salt in the river. The berembang trees on the river bank that become the fireflies’ habitat need some amount of salt for proper growth. Living at the lower reaches of Sungai Selangor, the fireflies are affected not only by the activities in their vicinity, but by activities in the entire river basin. Rapid economic development in the basin and the strong demand for the water resources puts pressure on the ecosystem. This research has been carried out to investigate the effect of water extraction along Sungai Selangor towards altering the amount of salt content in the river. The hydrodynamic modeling with regards to the salt content is expected to support long term assessment that may affect the berembang trees as a result of changes in the flow from upstream because of the water abstraction activity for domestic water supply.

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