The influence of landslides parameters contributing to runout zones using GIS-based empirical model in Kundasang, Sabah

Kamilia Sharir, Norbert Simon, Rodeano Roslee

Research output: Contribution to journalArticle

Abstract

The study of runout area of landslide enabled us to obtain a spatial prediction for landslides, which could contribute as the basic for the hazard assessment study. This study assesses the influence of terrain parameters that contribute to runout zones using GIS based empirical model in Kundasang, Sabah. The landslide inventories were obtained at 1:12 000 scales based on interpretation of aerial photographs to identify landslide distributions in three assessment years; 1984, 2009 and 2012. The runout zones were distinguished from the areas within the reach of the mobilized deposits. To estimate the areas that could be affected by the path or deposition of the mobilized materials, a Digital Elevation Model (DEM) with 20m×20m pixel size was used in the study area. We considered the fact that under intense rainfall events deposits from a landslide tend to travel long distances following the maximum slope and merge with a drainage network. This paper focus on the possible runout flow path distance and affected areas using the TauDEM extension for ArcGIS software starting from the source area to predict deposit area. Parameters such as lithology, soil series and land use influence the runout of landslides, and the transportability of runout flow depends on terrain parameter such as slope angle.

Original languageEnglish
Pages (from-to)254-266
Number of pages13
JournalASM Science Journal
Volume11
Issue numberSpecial Issue 3
Publication statusPublished - 1 Jan 2018

Fingerprint

landslide
GIS
drainage network
slope angle
hazard assessment
aerial photograph
digital elevation model
parameter
pixel
lithology
land use
software
rainfall
prediction
soil

Keywords

  • Landslide
  • Landslide inventory
  • Lndslide hazard assessment
  • Runout zones
  • Terrain failure parameter

ASJC Scopus subject areas

  • General

Cite this

The influence of landslides parameters contributing to runout zones using GIS-based empirical model in Kundasang, Sabah. / Sharir, Kamilia; Simon, Norbert; Roslee, Rodeano.

In: ASM Science Journal, Vol. 11, No. Special Issue 3, 01.01.2018, p. 254-266.

Research output: Contribution to journalArticle

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