Flood hazard analysis for landuse plannning in Penampang area, Sabah

Flooding is one of the major natural disasters in Sabah, Malaysia. Several recent cases of catastrophic flooding were recorded especially in Penampang area, Sabah (e.g. July 1999; October 2010; April 2013; October & December 2014). Heavy monsoon rainfall has triggered floods and caused great dam...

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Main Author:	Syahlini Mariappan
Format:	Thesis
Language:	English
Published:	2019
Subjects:	QE Geology
Online Access:	https://eprints.ums.edu.my/id/eprint/25759/1/Flood%20hazard%20analysis%20for%20landuse%20plannning%20in%20Penampang%20area%2C%20Sabah.pdf
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spelling	my-ums-ep.257592020-08-07T07:31:08Z Flood hazard analysis for landuse plannning in Penampang area, Sabah 2019 Syahlini Mariappan QE Geology Flooding is one of the major natural disasters in Sabah, Malaysia. Several recent cases of catastrophic flooding were recorded especially in Penampang area, Sabah (e.g. July 1999; October 2010; April 2013; October & December 2014). Heavy monsoon rainfall has triggered floods and caused great damage in Penampang area. The 2014 floods have affected 40,000 people from 70 villages. The objectives of this research are (i) To determine the factors contributing to the flood occurrences; (ii) To analyse the Flood Susceptibility Level (FSL); and (iii) To identify the flood hazard in the study area and produce the flood hazard map. In this study, eigth (8) parameters were considered in relation to the causative factors to flooding, which are: rainfall, slope gradient, elevation, drainage density, landuse, soil textures, slope curvatures and flow accumulation. Flood Hazard Analysis (FHAn) map were produced based on the data collected from the field survey, laboratory analysis, high resolution digital radar images (IFSAR) acquisation, and secondary data in three (3) different period (2002, 2008 and 2014). FHL were defined using Multi Criteria Evaluation (MCE) technique integrated with GIS software. Based on the FHAn, approximately 3.17% of total study area classified as Very High Hazard (VHH), 4.55% as High Hazard (HH), 15.52% as Moderate Hazard (MH), 15.72% as Low Hazard (LH) dan 61.04% as Very Low Hazard (VLH) respectively. As a result of the calculation and interpretation, the average ratio of the areas under the curve were 0.839, and thus can be argued that validation prediction accuracy was 83.90%. The developed model will be a very valuable resource for consulting, planning agencies and local governments in managing risk, land-use zoning and remediation efforts to mitigate risks. Moreover, the technique applied in this study can easily be extended to other areas, where other factors may be considered, depending on the availability of data. 2019 Thesis https://eprints.ums.edu.my/id/eprint/25759/ https://eprints.ums.edu.my/id/eprint/25759/1/Flood%20hazard%20analysis%20for%20landuse%20plannning%20in%20Penampang%20area%2C%20Sabah.pdf text en public mphil masters Universiti Malaysia Sabah Faculty Of Humanities, Art and Heritage
institution	Universiti Malaysia Sabah
collection	UMS Institutional Repository
language	English
topic	QE Geology
spellingShingle	QE Geology Syahlini Mariappan Flood hazard analysis for landuse plannning in Penampang area, Sabah
description	Flooding is one of the major natural disasters in Sabah, Malaysia. Several recent cases of catastrophic flooding were recorded especially in Penampang area, Sabah (e.g. July 1999; October 2010; April 2013; October & December 2014). Heavy monsoon rainfall has triggered floods and caused great damage in Penampang area. The 2014 floods have affected 40,000 people from 70 villages. The objectives of this research are (i) To determine the factors contributing to the flood occurrences; (ii) To analyse the Flood Susceptibility Level (FSL); and (iii) To identify the flood hazard in the study area and produce the flood hazard map. In this study, eigth (8) parameters were considered in relation to the causative factors to flooding, which are: rainfall, slope gradient, elevation, drainage density, landuse, soil textures, slope curvatures and flow accumulation. Flood Hazard Analysis (FHAn) map were produced based on the data collected from the field survey, laboratory analysis, high resolution digital radar images (IFSAR) acquisation, and secondary data in three (3) different period (2002, 2008 and 2014). FHL were defined using Multi Criteria Evaluation (MCE) technique integrated with GIS software. Based on the FHAn, approximately 3.17% of total study area classified as Very High Hazard (VHH), 4.55% as High Hazard (HH), 15.52% as Moderate Hazard (MH), 15.72% as Low Hazard (LH) dan 61.04% as Very Low Hazard (VLH) respectively. As a result of the calculation and interpretation, the average ratio of the areas under the curve were 0.839, and thus can be argued that validation prediction accuracy was 83.90%. The developed model will be a very valuable resource for consulting, planning agencies and local governments in managing risk, land-use zoning and remediation efforts to mitigate risks. Moreover, the technique applied in this study can easily be extended to other areas, where other factors may be considered, depending on the availability of data.
format	Thesis
qualification_name	Master of Philosophy (M.Phil.)
qualification_level	Master's degree
author	Syahlini Mariappan
author_facet	Syahlini Mariappan
author_sort	Syahlini Mariappan
title	Flood hazard analysis for landuse plannning in Penampang area, Sabah
title_short	Flood hazard analysis for landuse plannning in Penampang area, Sabah
title_full	Flood hazard analysis for landuse plannning in Penampang area, Sabah
title_fullStr	Flood hazard analysis for landuse plannning in Penampang area, Sabah
title_full_unstemmed	Flood hazard analysis for landuse plannning in Penampang area, Sabah
title_sort	flood hazard analysis for landuse plannning in penampang area, sabah
granting_institution	Universiti Malaysia Sabah
granting_department	Faculty Of Humanities, Art and Heritage
publishDate	2019
url	https://eprints.ums.edu.my/id/eprint/25759/1/Flood%20hazard%20analysis%20for%20landuse%20plannning%20in%20Penampang%20area%2C%20Sabah.pdf
_version_	1747836554763567104

Flood hazard analysis for landuse plannning in Penampang area, Sabah

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