Abstract
It is paramount to identify areas surrounded by water for the safety of individual should in case the water level rises beyond a reasonable doubt and might cause a flood. The procedure is to develop models of the area around the catchment or watershed using satellite images and other input data from the Geographic Information System (GIS). In this study, the soil water assessment tool (SWAT) was used in the delineation of the watershed. The data collected from the satellite ASTER DEM was processed using ArcGIS 10.3 to crop the boundary of the catchment. The result is the established 3D models of flood risk zones in the study area reflecting sustainability and mitigation of the future flood event that will be occurring whenever there is high rainfall. The study will be useful to high authority, the private sector, urban planners as well as an individual tourist in taking accurate majors in controlling the demarcated and delineated areas been modeled to ensure suitability.
For more details:
http://sciaeon.org/articles/3D-Modeling-and-Watershed-Delineation-of-Flood-Risk-Zones-Using-GIS-and-Remote-Sensing-in-Terengganu-River.pdf
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Journal of Geology and Geoscience 