Evaluation of Flooding in Sg Gita Catchment, Kuching

Mah, D.Y.S. and Hii, C.P. and Ong, C.Y. and Pui, Y. (2017) Evaluation of Flooding in Sg Gita Catchment, Kuching. Journal of Applied Science & Process Engineering, 4 (1). ISSN 2289-7771

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Official URL: https://www.researchgate.net/publication/316628449


This paper outlines a methodology of flow routing with inclusion of downstream river water level applied to a Sg Gita urbanized catchment beside Sg Sarawak in Kuching city, Sarawak, Malaysia. Evaluations are done by demonstrating the modelling of flooding scenarios using InfoWorks River Simulation (RS) that stresses on different aspects specific to Sg Gita’s conditions, namely (1) impacts of high and low river water levels, (2) solely urban flooding and (3) the combination of the two. The outcomes indicate that the dynamics of downstream river water level influences the performance of the urban drainage that flowed into the river. Backwater is overriding the flows of urban drains. Therefore, the mentioned methodology is found superior than conventional methodology with only flow routing to represent the flow mechanism of urban catchment bounded by a downstream river.

Item Type: Article
Uncontrolled Keywords: backwater, InfoWorks RS, river water level, stormwater, urban drainage, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: T Technology > TC Hydraulic engineering. Ocean engineering
Divisions: Academic Faculties, Institutes and Centres > Faculty of Engineering
Depositing User: Karen Kornalius
Date Deposited: 18 May 2017 01:32
Last Modified: 18 May 2017 01:32
URI: http://ir.unimas.my/id/eprint/16309

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