Delineation Of Flood Risk Zones And 3D Modeling In Terengganu River Catchment Using Gis And Swat

Ibrahim Sufiyan (), Razak Zakariya and Rosnan Yaacob
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Ibrahim Sufiyan: School of Marine and Environmental Sciences, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, Malaysia
Razak Zakariya: School of Marine and Environmental Sciences, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, Malaysia
Rosnan Yaacob: School of Marine and Environmental Sciences, Universiti Malaysia Terengganu, 21030 Kuala Terengganu, Terengganu, Malaysia

Environment & Ecosystem Science (EES), 2018, vol. 2, issue 2, 1-5

Abstract: For many years, during the monsoon period the River (Sungai) Terengganu catchment in Malaysia has been flooding and causing flood risk problems to the inhabitants as well as the environment. This study uses the real-time simulation in ArcGIS 10.3 and 3D in ArcScene 10.3, and the variables obtained from the soil and water assessment tool SWAT such as the land use, soil and slope are the parameters measured to induce the flood. the application of soil water assessment tool (SWAT) has produced the demarcation or boundary called delineation of the whole Terengganu watershed. When certain portions of the Hydrologic response unit HRU; land use, soil or slope is changed due to temporal adjustment and climate change, then the model can predict zones of low, moderate and high flood risk. The 3D simulations appear to produce a visual model for decision-making, planning, management, and mitigation. The simulation helps in determining the extent of the flood by using animation in ArcScence 10.3, to visualize the simulated flood water level.

Keywords: Flood risk; Delineation; GIS Modeling; SWAT; HRUs Parameters (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:zib:zbnees:v:2:y:2018:i:2:p:1-5

DOI: 10.26480/ees.02.2018.01.05

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