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  • Extreme water levels, waves and coastal impacts during a severe tropical cyclone in northeastern Australia: a case study for cross-sector data sharing

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    Author(s)
    Mortlock, Thomas R
    Metters, Daryl
    Soderholm, Joshua
    Maher, John
    Lee, Serena B
    Boughton, Geoffrey
    Stewart, Nigel
    Zavadil, Elisa
    Goodwin, Ian D
    Griffith University Author(s)
    Lee, Serena B.
    Year published
    2018
    Metadata
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    Abstract
    Severe tropical cyclone (TC) Debbie made landfall on the northern Queensland coast of Australia on 27 March 2017 after crossing the Great Barrier Reef as a slow-moving Category 4 system. Groups from industry, government and academia collected coastal hazard and impact data before, during and after the event and shared these data to produce a holistic picture of TC Debbie at the coast. Results showed the still water level exceeded the highest astronomical tide by almost a metre. Waves added a further 16 % to water levels along the open coast, and were probably unprecedented for this area since monitoring began. In most places, ...
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    Severe tropical cyclone (TC) Debbie made landfall on the northern Queensland coast of Australia on 27 March 2017 after crossing the Great Barrier Reef as a slow-moving Category 4 system. Groups from industry, government and academia collected coastal hazard and impact data before, during and after the event and shared these data to produce a holistic picture of TC Debbie at the coast. Results showed the still water level exceeded the highest astronomical tide by almost a metre. Waves added a further 16 % to water levels along the open coast, and were probably unprecedented for this area since monitoring began. In most places, coastal barriers were not breached and as a result there was net offshore sand transport. If landfall had occurred 2 h earlier with the high tide, widespread inundation and overwash would have ensued. This paper provides a case study of effective cross-sector data sharing in a natural hazard context. It advocates for a shared information platform for coastal extremes in Australia to help improve the understanding and prediction of TC-related coastal hazards in the future.
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    Journal Title
    Natural Hazards and Earth System Sciences
    Volume
    18
    Issue
    9
    DOI
    https://doi.org/10.5194/nhess-18-2603-2018
    Copyright Statement
    © Author(s) 2018. This work is distributed under the Creative Commons Attribution 4.0 License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
    Subject
    Geology
    Physical Geography and Environmental Geoscience
    Maritime Engineering
    Publication URI
    http://hdl.handle.net/10072/383868
    Collection
    • Journal articles

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