Applications of geochemistry in tsunami research: a review

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dc.contributor.authorChagué-Goff, Cen_AU
dc.contributor.authorSzczuciński, Wen_AU
dc.contributor.authorShinozaki, Ten_AU
dc.date.accessioned2017-03-28T00:38:29Zen_AU
dc.date.available2017-03-28T00:38:29Zen_AU
dc.date.issued2017-02-01en_AU
dc.date.statistics2017-03-28en_AU
dc.description.abstractMuch progress has been made since the first published studies of tsunami deposits nearly 30 years ago. Geochemistry is now a much more widely used proxy in tsunami research, mainly due to its increasingly recognised value in the identification of historical and/or prehistorical deposits, at times even providing the conclusive proof when other proxies are missing or equivocal, but also its significance in environmental impact assessments following recent tsunamis. The rapid advance in analytical techniques has also made it a more approachable and popular method, as it is now often faster and cheaper. Here we provide a review of the applications of geochemistry, including the techniques used, as well as a database of studies that used chemical proxies in their investigation of recent and old events, including onshore and offshore tsunami deposits. Chemical signatures are often used as markers of marine inundation, either as salinity indicators, where they can also allow the identification of the limit of tsunami inundation, or tracers of the incorporation of marine-sourced carbonates. Their applications as indicators of source material are nevertheless expanding, thereby potentially providing additional information on the hydrodynamic processes associated with tsunami inundation, although they are largely site-specific. The effects of post-depositional changes in different climatic regimes are examined, with a particular emphasis on water-leachable components and implications for post-event recovery of coastal ecosystems. We demonstrate the usefulness of chemical proxies in studies of the geological record of tsunamis extending back thousands of years, suggest new approaches and discuss limitations and existing knowledge gaps. © 2016, Elsevier B.V.en_AU
dc.identifier.citationChagué-Goff, C., Szczuciński, W. & Shinozaki, T. (2017). Applications of geochemistry in tsunami research: a review. Earth-Science Reviews, 165, 203-244. doi:10.1016/j.earscirev.2016.12.003en_AU
dc.identifier.govdoc8045en_AU
dc.identifier.issn0012-8252en_AU
dc.identifier.journaltitleEarth-Science Reviewsen_AU
dc.identifier.pagination203-244en_AU
dc.identifier.urihttps://doi.org/10.1016/j.earscirev.2016.12.003en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/8509en_AU
dc.identifier.volume165en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectGeochemistryen_AU
dc.subjectTsunamisen_AU
dc.subjectGeologic depositsen_AU
dc.subjectMarine disposalen_AU
dc.subjectSedimentsen_AU
dc.subjectCarbonatesen_AU
dc.titleApplications of geochemistry in tsunami research: a reviewen_AU
dc.typeJournal Articleen_AU
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