SINKHOLE SUSCEPTIBILITY HAZARD ZONES USING GIS AND ANALYTICAL HIERARCHICAL PROCESS (AHP): A CASE STUDY OF KUALA LUMPUR AND AMPANG JAYA

被引:12
作者
Rosdi, Mohd Asri Hakim Mohd [1 ]
Othman, Ainon Nisa [1 ]
Latif, Muhamad Arief Muhd Zubir Zulkiflee Abdul [1 ]
Yusoff, Zaharah Mohd [1 ]
机构
[1] Univ Teknol MARA, Fac Architecture Planning & Surveying, Ctr Studies Surveying Sci & Geomat, Shah Alam 40450, Selangor Darul, Malaysia
来源
ISPRS WG IV/1 INTERNATIONAL CONFERENCE ON GEOMATIC AND GEOSPATIAL TECHNOLOGY 2017: GEOSPATIAL AND DISASTER MANAGEMENT | 2017年 / 42-4卷 / W5期
关键词
Geographical Information System; Analytical Hierarchical Process; Sinkhole Susceptibility Hazard Zones;
D O I
10.5194/isprs-archives-XLII-4-W5-145-2017
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
Sinkhole is not classified as new phenomenon in this country, especially surround Kiang Valley. Since 1968, the increasing numbers of sinkhole incident have been reported in Kuala Lumpur and the vicinity areas. As the results, it poses a serious threat for human lives, assets and structure especially in the capital city of Malaysia. Therefore, a Sinkhole Hazard Model (SHM) was generated with integration of GIS framework by applying Analytical Hierarchical Process (AHP) technique in order to produced sinkhole susceptibility hazard map for the particular area. Five consecutive parameters for main criteria each categorized by five sub classes were selected for this research which is Lithology (LT), Groundwater Level Decline (WLD), Soil Type (ST), Land Use (LU) and Proximity to Groundwater Wells (PG). A set of relative weights were assigned to each inducing factor and computed through pairwise comparison matrix derived from expert judgment. Lithology and Groundwater Level Decline has been identified gives the highest impact to the sinkhole development. A sinkhole susceptibility hazard zones was classified into five prone areas namely very low, low, moderate, high and very high hazard. The results obtained were validated with thirty three (33) previous sinkhole inventory data. This evaluation shows that the model indicates 64% and 21% of the sinkhole events fall within high and very high hazard zones respectively. Based on this outcome, it clearly represents that AHP approach is useful to predict natural disaster such as sinkhole hazard.
引用
收藏
页码:145 / 151
页数:7
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