Keperluan peta kerentanan bencana sebagai input dalam pengurusan guna tanah

Kajian kes universiti kebangsaan Malaysia

Translated title of the contribution: (The needs of disaster susceptibility map as an input in land use management: A case study of Universiti kebangsaan Malaysia)

Nurfashareena Muhamad, Choun Sian Lim, Mohammad Imam Hasan Reza, Joy Jacqueline Pereira

Research output: Contribution to journalArticle

Abstract

The rapid overflow of built-up activities in UKM to meet the needs of the campus deems it a small town. In conjunction with this rapid development, UKM has experienced slope failures, landslides and small inundation in several areas within the campus. This study is designed to integrate multi-dimensional information to support decision-making in land use management to address disaster issues in this campus. The objectives were to: identify the various dimensions of information that contributed to disasters in UKM; and develop a landslide and flood susceptibility map to support informed decision-making. The study employed a heuristic approach and three main methods including: content analysis to identify criteria that contribute to landslides and floods; expert elicitation to provide weightage; and overlay analysis to produce thematic maps. Criteria that contribute to landslides and floods are categorized into precipitation, topography, geological structure and geomorphological characteristics that are weighted according to expert input. Landslide susceptibility map shows high susceptibility class is the largest at 6.10 km2 equivalent to 51.91% of the total area of campus. Analysis of past incidences found that all landslides occurred in medium, high and very high susceptibility classes. About half of the total landslides amounting to 57.14% are located in high susceptibility classes and this represents the largest percentage. Flood susceptibility map indicates that UKM is also exposed to flooding. The moderate susceptibility class dominates the campus at 6.5 km2, which is about 56% of the total area. The university’s asset and the main route of this campus, which is adjacent to a river is located within the high susceptibility area. The situation is quite alarming as important infrastructure is located within this area. The findings reflect the capability of landslide and flood susceptibility maps as an informative medium in land use planning before executing any development activities in a particular area.

Original languageMalay
Pages (from-to)33-43
Number of pages11
JournalSains Malaysiana
Volume48
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

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disaster
landslide
land use
need
small town
slope failure
land use planning
geological structure
heuristics
flooding
decision making
infrastructure
topography
river
analysis

ASJC Scopus subject areas

  • General

Cite this

Keperluan peta kerentanan bencana sebagai input dalam pengurusan guna tanah : Kajian kes universiti kebangsaan Malaysia. / Muhamad, Nurfashareena; Lim, Choun Sian; Reza, Mohammad Imam Hasan; Pereira, Joy Jacqueline.

In: Sains Malaysiana, Vol. 48, No. 1, 01.01.2019, p. 33-43.

Research output: Contribution to journalArticle

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abstract = "The rapid overflow of built-up activities in UKM to meet the needs of the campus deems it a small town. In conjunction with this rapid development, UKM has experienced slope failures, landslides and small inundation in several areas within the campus. This study is designed to integrate multi-dimensional information to support decision-making in land use management to address disaster issues in this campus. The objectives were to: identify the various dimensions of information that contributed to disasters in UKM; and develop a landslide and flood susceptibility map to support informed decision-making. The study employed a heuristic approach and three main methods including: content analysis to identify criteria that contribute to landslides and floods; expert elicitation to provide weightage; and overlay analysis to produce thematic maps. Criteria that contribute to landslides and floods are categorized into precipitation, topography, geological structure and geomorphological characteristics that are weighted according to expert input. Landslide susceptibility map shows high susceptibility class is the largest at 6.10 km2 equivalent to 51.91{\%} of the total area of campus. Analysis of past incidences found that all landslides occurred in medium, high and very high susceptibility classes. About half of the total landslides amounting to 57.14{\%} are located in high susceptibility classes and this represents the largest percentage. Flood susceptibility map indicates that UKM is also exposed to flooding. The moderate susceptibility class dominates the campus at 6.5 km2, which is about 56{\%} of the total area. The university’s asset and the main route of this campus, which is adjacent to a river is located within the high susceptibility area. The situation is quite alarming as important infrastructure is located within this area. The findings reflect the capability of landslide and flood susceptibility maps as an informative medium in land use planning before executing any development activities in a particular area.",
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