From laboratory experiments to geophysical tsunamis generated by subaerial landslides

Abstract Modeling of tsunami waves generated by subaerial landslides is important to provide accurate hazard and risk assessments in coastal areas. We perform small-scale laboratory experiments where a tsunami-like wave is generated by the gravity-driven collapse of a subaerial granular column into...

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Autores principales:	Manon Robbe-Saule, Cyprien Morize, Yann Bertho, Alban Sauret, Anthony Hildenbrand, Philippe Gondret
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/165886f4f14147d69b2aea9867073b37
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spelling	oai:doaj.org-article:165886f4f14147d69b2aea9867073b372021-12-02T15:15:44ZFrom laboratory experiments to geophysical tsunamis generated by subaerial landslides10.1038/s41598-021-96369-62045-2322https://doaj.org/article/165886f4f14147d69b2aea9867073b372021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96369-6https://doaj.org/toc/2045-2322Abstract Modeling of tsunami waves generated by subaerial landslides is important to provide accurate hazard and risk assessments in coastal areas. We perform small-scale laboratory experiments where a tsunami-like wave is generated by the gravity-driven collapse of a subaerial granular column into water. We show that the maximal amplitude reached near-shore by the generated wave in our experiments is linked to the instantaneous immersed volume of grains and to the ultimate immersed deposit. Despite the differences in scale and geometry between our small-scale experiments and the larger-scale geophysical events, a rather good agreement is found between the experimental law and the field data. This approach offers an easy way to estimate the amplitude of paleo-tsunamis.Manon Robbe-SauleCyprien MorizeYann BerthoAlban SauretAnthony HildenbrandPhilippe GondretNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Manon Robbe-Saule Cyprien Morize Yann Bertho Alban Sauret Anthony Hildenbrand Philippe Gondret From laboratory experiments to geophysical tsunamis generated by subaerial landslides
description	Abstract Modeling of tsunami waves generated by subaerial landslides is important to provide accurate hazard and risk assessments in coastal areas. We perform small-scale laboratory experiments where a tsunami-like wave is generated by the gravity-driven collapse of a subaerial granular column into water. We show that the maximal amplitude reached near-shore by the generated wave in our experiments is linked to the instantaneous immersed volume of grains and to the ultimate immersed deposit. Despite the differences in scale and geometry between our small-scale experiments and the larger-scale geophysical events, a rather good agreement is found between the experimental law and the field data. This approach offers an easy way to estimate the amplitude of paleo-tsunamis.
format	article
author	Manon Robbe-Saule Cyprien Morize Yann Bertho Alban Sauret Anthony Hildenbrand Philippe Gondret
author_facet	Manon Robbe-Saule Cyprien Morize Yann Bertho Alban Sauret Anthony Hildenbrand Philippe Gondret
author_sort	Manon Robbe-Saule
title	From laboratory experiments to geophysical tsunamis generated by subaerial landslides
title_short	From laboratory experiments to geophysical tsunamis generated by subaerial landslides
title_full	From laboratory experiments to geophysical tsunamis generated by subaerial landslides
title_fullStr	From laboratory experiments to geophysical tsunamis generated by subaerial landslides
title_full_unstemmed	From laboratory experiments to geophysical tsunamis generated by subaerial landslides
title_sort	from laboratory experiments to geophysical tsunamis generated by subaerial landslides
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/165886f4f14147d69b2aea9867073b37
work_keys_str_mv	AT manonrobbesaule fromlaboratoryexperimentstogeophysicaltsunamisgeneratedbysubaeriallandslides AT cyprienmorize fromlaboratoryexperimentstogeophysicaltsunamisgeneratedbysubaeriallandslides AT yannbertho fromlaboratoryexperimentstogeophysicaltsunamisgeneratedbysubaeriallandslides AT albansauret fromlaboratoryexperimentstogeophysicaltsunamisgeneratedbysubaeriallandslides AT anthonyhildenbrand fromlaboratoryexperimentstogeophysicaltsunamisgeneratedbysubaeriallandslides AT philippegondret fromlaboratoryexperimentstogeophysicaltsunamisgeneratedbysubaeriallandslides
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From laboratory experiments to geophysical tsunamis generated by subaerial landslides

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