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- Title
Kelantan central basin flood, December 2014: Causes and extend.
- Authors
SATHIAMURTHY, EDLIC; HALIM, SHAHRIL ABD; SUPAR, LUQMAN MD.; HAMID, ALIYA ATIKA ASYIKIN ABD.; KONG YEE HUI; PAUZI, NURUL SYAMIMI
- Abstract
A combination of meteorological and river basin's physical factors caused a very severe flood in the central part of Kelantan River basin on December 2014. Rainfall-runoffs parameters analysis found that continuous high rainfalls, geological setting and topography triggered the basin wide extreme event which only occurred twice in 88 years of flood records (1926-2014). A regional flood map was generated to demonstrate the extent of the flood within the central and upper Kelantan River basin. The map was generated using water surface gradient interpolation extracted from water level data of existing telemetry stations located along the river system while the lower basin used radar satellite data. Based on this map, the estimated size of flooded areas was 220 km2 with flood depths ranging from 1.5 m to 9.5 m. The flood map was overlaid on a mosaic of fine scale Google Earth images for Dabong, Manik Urai and Kuala Krai area in order to visualize the human landscape affected by floods. It is concluded that physical factors, i.e. geological setting and topography are crucial in the analysis of the cause and effect of severe floods, and spatial distribution of flood depths when the terrain characteristics are considered.
- Subjects
KELANTAN; FLOODS; WATER levels; WATER; TOPOGRAPHY
- Publication
Bulletin of the Geological Society of Malaysia, 2019, Vol 68, p57
- ISSN
0126-6187
- Publication type
Article
- DOI
10.7186/bgsm68201905