The 28 November 2020 landslide, tsunami, and outburst flood – a hazard cascade associated with rapid deglaciation at Elliot Creek, British Columbia, Canada

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dc.contributor.authorGeertsema, Marten
dc.contributor.authorMenounos, Brian
dc.contributor.authorBullard, G.
dc.contributor.authorCarrivick, Jonathan L.
dc.contributor.authorClague, J. J.
dc.contributor.authorDai, Chunli
dc.contributor.authorDonati, Davide
dc.contributor.authorEkstrom, Goran
dc.contributor.authorJackson, Jennifer M.
dc.contributor.authorLynett, Patrick
dc.contributor.authorPichierri, M.
dc.contributor.authorPon, Andy
dc.contributor.authorShugar, Dan H.
dc.contributor.authorStead, D.
dc.contributor.authorDel Bel Belluz, J.
dc.contributor.authorFriele, P.
dc.contributor.authorGiesbrecht, Ian J. W.
dc.contributor.authorHeathfield, D.
dc.contributor.authorMillard, Thomas H.
dc.contributor.authorNasonova, S.
dc.contributor.authorSchaeffer, Andrew
dc.contributor.authorWard, B. C.
dc.contributor.authorBlaney, D.
dc.contributor.authorBlaney, Erik
dc.contributor.authorBrillon, C.
dc.contributor.authorBunn, C.
dc.contributor.authorFloyd, W.
dc.contributor.authorHigman, B.
dc.contributor.authorHughes, Katie E.
dc.contributor.authorMcInnes, William
dc.contributor.authorMukherjee, Kriti
dc.contributor.authorSharp, Meghan A.
dc.date.accessioned2022-04-04T12:42:12Z
dc.date.available2022-04-04T12:42:12Z
dc.date.issued2022-02-21
dc.description.abstractWe describe and model the evolution of a recent landslide, tsunami, outburst flood, and sediment plume in the southern Coast Mountains, British Columbia, Canada. On November 28, 2020, about 18 million m3 of rock descended 1,000 m from a steep valley wall and traveled across the toe of a glacier before entering a 0.6 km2 glacier lake and producing >100-m high run-up. Water overtopped the lake outlet and scoured a 10-km long channel before depositing debris on a 2-km2 fan below the lake outlet. Floodwater, organic debris, and fine sediment entered a fjord where it produced a 60+km long sediment plume and altered turbidity, water temperature, and water chemistry for weeks. The outburst flood destroyed forest and salmon spawning habitat. Physically based models of the landslide, tsunami, and flood provide real-time simulations of the event and can improve understanding of similar hazard cascades and the risk they pose.en_UK
dc.identifier.citationGeertsema M, Menounos B, Bullard G, et al., (2022) The 28 November 2020 landslide, tsunami, and outburst flood – a hazard cascade associated with rapid deglaciation at Elliot Creek, British Columbia, Canada. Geophysical Research Letters, Volume 49, Issue 6, March 2022, Article number e2021GL096716en_UK
dc.identifier.issn0094-8276
dc.identifier.urihttps://doi.org/10.1029/2021GL096716
dc.identifier.urihttp://dspace.lib.cranfield.ac.uk/handle/1826/17732
dc.language.isoenen_UK
dc.publisherAmerican Geophysical Unionen_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectlandslideen_UK
dc.subjecthazarden_UK
dc.subjectcascadeen_UK
dc.subjectdeglaciationen_UK
dc.subjectglacial lakeen_UK
dc.subjecttsunamien_UK
dc.subjectoutburst flooden_UK
dc.titleThe 28 November 2020 landslide, tsunami, and outburst flood – a hazard cascade associated with rapid deglaciation at Elliot Creek, British Columbia, Canadaen_UK
dc.typeArticleen_UK

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