DELINEATION OF FLOOD RISK ZONES AND 3D MODELING IN TERENGGANU RIVER CATCHMENT USING GIS AND SWAT
ABSTRACT
DELINEATION OF FLOOD RISK ZONES AND 3D MODELING IN TERENGGANU RIVER CATCHMENT USING GIS AND SWAT
Journal: Environment & Ecosystem Science (EES)
Author: Ibrahim Sufiyan, Razak Zakariya, Rosnan Yaacob
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
DOI: 10.26480/ees.02.2018.01.05
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.
Pages | 01-05 |
Year | 2018 |
Issue | 2 |
Volume | 2 |
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