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Regional landslide risk to the Cairns community

Author

Listed:
  • Marion Michael-Leiba
  • Fred Baynes
  • Greg Scott
  • Ken Granger

Abstract

A GIS-based regional reconnaissance-level assessment of landslide risk to the Cairns community has been carried out to provide information to the Cairns City Council for planning and emergency management purposes. Magnitude recurrence relations were tentatively established for the two main slope processes: landslides on the hill slopes; and large debris flows extending out from the gully systems on to the plains. From the recurrence relations, landslide hazard (H) was estimated as the annual probability of a point being impacted by a landslide. The nature, number (E) and geographic distribution of the elements at risk were obtained by interrogating the GIS, and their vulnerabilities (V) to destruction by the two main landslide slope processes were assessed. From this information, specific risk (= H × V) and total risk (= H × V× E) maps were produced. Although total landslide risk is relatively low at present, it will increase as development extends further into the hill slopes, unless adequate mitigation measures are taken. Large debris flows, while considerably less frequent than landslides on cut slopes, could impact on subdivisions at the base of the slopes. Blockage by landslides of roads and railways providing access to Cairns can cause isolation of the community. Flash flooding in Freshwater Creek, or debris flows, have the potential to disrupt the Cairns water supply by blocking the intake or destroying sections of the pipeline. Copyright Kluwer Academic Publishers 2003

Suggested Citation

  • Marion Michael-Leiba & Fred Baynes & Greg Scott & Ken Granger, 2003. "Regional landslide risk to the Cairns community," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 30(2), pages 233-249, October.
    • Handle: RePEc:spr:nathaz:v:30:y:2003:i:2:p:233-249
    DOI: 10.1023/A:1026122518661
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    Citations

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    Cited by:

    1. Otar Varazanashvili & Nino Tsereteli & Avtandil Amiranashvili & Emil Tsereteli & Elizbar Elizbarashvili & Jemal Dolidze & Lado Qaldani & Manana Saluqvadze & Shota Adamia & Nika Arevadze & Aleksandre G, 2012. "Vulnerability, hazards and multiple risk assessment for Georgia," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 64(3), pages 2021-2056, December.
    2. M. Silva & S. Pereira, 2014. "Assessment of physical vulnerability and potential losses of buildings due to shallow slides," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 72(2), pages 1029-1050, June.
    3. Rostislav Vodák & Michal Bíl & Tomáš Svoboda & Zuzana Křivánková & Jan Kubeček & Tomáš Rebok & Petr Hliněný, 2019. "A deterministic approach for rapid identification of the critical links in networks," PLOS ONE, Public Library of Science, vol. 14(7), pages 1-18, July.
    4. Marco Donnini & Marco Modica & Paola Salvati & Ivan Marchesini & Mauro Rossi & Fausto Guzzetti & Roberto Zoboli, 2020. "Economic landslide susceptibility under a socio-economic perspective: an application to Umbria Region (Central Italy)," Review of Regional Research: Jahrbuch für Regionalwissenschaft, Springer;Gesellschaft für Regionalforschung (GfR), vol. 40(2), pages 159-188, October.
    5. M. Papathoma-Köhle & M. Kappes & M. Keiler & T. Glade, 2011. "Physical vulnerability assessment for alpine hazards: state of the art and future needs," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 58(2), pages 645-680, August.
    6. Jan Klimeš & Jan Blahůt, 2012. "Landslide risk analysis and its application in regional planning: an example from the highlands of the Outer Western Carpathians, Czech Republic," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 64(2), pages 1779-1803, November.
    7. Juan Francisco Sortino Barrionuevo & Hugo Castro Noblejas & Francisco José Cantarero Prados, 2022. "Vulnerability to Flood Risk: A Methodological Proposal for Assessing the Isolation of the Population," Land, MDPI, vol. 11(2), pages 1-24, February.

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