Landslide hazard and risk mapping using advanced geospatial technology

Razak, Khamarrul Azahari and Mohamad, Zakaria (2015) Landslide hazard and risk mapping using advanced geospatial technology. Malaysian Journal Of Remote Sensing And Gis, 4 (2). pp. 49-66. ISSN 1511-7049

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Abstract

Landslides represent one of the most common geo-hazards that affect the steep lands, and may destroy crop lands as well as urban and industrial development. Landslide risk analysis can help government agencies to select suitable locations for development schemes and plan mitigation measures in unstable landslide-prone areas, as well provide conservation areas to protect county development. The study describes an approach for assessing the landslide risk potentials, as well present method of calculating the Landslide factors influence distribution map, which comes helpful in engineering conservation plans to protect investment in a particular area. In this study, two factors (rainfall and slope) were taken as subject of landslide geo-hazard. The study shows that remote sensing techniques when integrate with GIS can provide a useful tool to study potential landslide area. The result shows a landslides map, that presents different level of risk in five categories of classification. The very high risk area covers approximately 0.21% of the total area. In addition, influences of each rainfall and the slope show that rainfall has much influence than slope effect, on very high level of ha.

Item Type:Article
Subjects:G Geography. Anthropology. Recreation > G Geography (General) > G70.39-70.6 Remote sensing
Divisions:Built Environment
ID Code:60308
Deposited By: Haliza Zainal
Deposited On:24 Jan 2017 10:54
Last Modified:25 Jan 2022 16:59

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