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An indicative index of physical susceptibility of small islands to coastal erosion induced by climate change - an application to the Pacific islands1.31 MB
Published VersionCC BY V4.0, Open Access
Journal article
An indicative index of physical susceptibility of small islands to coastal erosion induced by climate change: an application to the Pacific islands
Geomatics, Natural Hazards and Risk, Vol.9(1), pp.691-702
2018
Abstract
An objective method is proposed to evaluate the susceptibility of islands to climate change. As used here, susceptibility is an estimate of the potential for physical change of an island coast in response to likely changes in climate-ocean boundary conditions. The evaluation is based on an assumption that the intensity of impact due to climate and ocean processes can be typically related to four physical and quantifiable variables: island rock-type (lithology), island shape (circularity), maximum elevation and area. These four physical variables were used to determine a dimensionless index for each of 1779 islands across 26 countries and 8 island types in the Pacific Ocean. Most islands fell in the high (29%), moderate (23%) and low (23%) susceptibility classes, whilst the remainder were split between the extremes of very high (12%) and very low (13%). Eleven countries had islands with all five levels, while eight had islands with mostly high and very high ratings. The index may be used as a tool for rapid appraisal by international and regional agencies as well as national governments for prioritization of adaptation measures to a changing climate, particularly when combined with climatic and oceanic process variables, together with knowledge of population and infrastructure.
Details
- Title
- An indicative index of physical susceptibility of small islands to coastal erosion induced by climate change: an application to the Pacific islands
- Authors
- Lalit Kumar (Corresponding Author) - University of New EnglandIan Eliot (Author) - University of Western AustraliaPatrick Nunn (Author) - University of the Sunshine Coast - Faculty of Arts, Business and LawTanya Stul (Author) - University of Western AustraliaRoger McLean (Author) - University of New South Wales
- Publication details
- Geomatics, Natural Hazards and Risk, Vol.9(1), pp.691-702
- Publisher
- Taylor & Francis Ltd.
- Date published
- 2018
- DOI
- 10.1080/19475705.2018.1455749
- ISSN
- 1947-5705; 1947-5713
- Copyright note
- Copyright © 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
- Organisation Unit
- Indigenous and Transcultural Research Centre; Australian Centre for Pacific Islands Research; School of Social Sciences - Legacy; University of the Sunshine Coast, Queensland; School of Law and Society; Sustainability Research Cluster
- Language
- English
- Record Identifier
- 99450718202621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- Web Of Science research areas
- Geosciences, Multidisciplinary
- Meteorology & Atmospheric Sciences
- Remote Sensing
- Water Resources
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