Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)

Abstract With a minimum of three reported waves, the 2011 Tohoku-oki tsunami’s destructive force caused massive damage along the northern Japanese Aomori coast. At Misawa the coastal control area was inundated up to 550 m inland and sandy sediment remnants can be traced to c. 350 m (c. 61–63% of the...

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Autores principales:	Piero Bellanova, Mike Frenken, Yuichi Nishimura, Jan Schwarzbauer, Klaus Reicherter
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/48c2ccc9883849b58b5f04094ed22d60
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spelling	oai:doaj.org-article:48c2ccc9883849b58b5f04094ed22d602021-12-02T17:16:05ZTracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)10.1038/s41598-021-88199-32045-2322https://doaj.org/article/48c2ccc9883849b58b5f04094ed22d602021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-88199-3https://doaj.org/toc/2045-2322Abstract With a minimum of three reported waves, the 2011 Tohoku-oki tsunami’s destructive force caused massive damage along the northern Japanese Aomori coast. At Misawa the coastal control area was inundated up to 550 m inland and sandy sediment remnants can be traced to c. 350 m (c. 61–63% of the maximum inundation) from the shoreline. Linking the discovery of floatable plastic objects within a woody and organic layer to our analytical data lead to the detection of a yet undocumented woody-organic tsunami deposit first appearing on top of the sandy deposit but then reaching even further inland (approx. 69–72% of the max. inundation). By this observation our understanding of the documented part of the tsunami inundation may be improved. As a consequence, sand sheets of historic and paleo-tsunamis represent minimum estimates for the coastal inundation and underestimation may be reduced by addressing the woody and organic fraction of a tsunami’s inundation.Piero BellanovaMike FrenkenYuichi NishimuraJan SchwarzbauerKlaus ReicherterNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Piero Bellanova Mike Frenken Yuichi Nishimura Jan Schwarzbauer Klaus Reicherter Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)
description	Abstract With a minimum of three reported waves, the 2011 Tohoku-oki tsunami’s destructive force caused massive damage along the northern Japanese Aomori coast. At Misawa the coastal control area was inundated up to 550 m inland and sandy sediment remnants can be traced to c. 350 m (c. 61–63% of the maximum inundation) from the shoreline. Linking the discovery of floatable plastic objects within a woody and organic layer to our analytical data lead to the detection of a yet undocumented woody-organic tsunami deposit first appearing on top of the sandy deposit but then reaching even further inland (approx. 69–72% of the max. inundation). By this observation our understanding of the documented part of the tsunami inundation may be improved. As a consequence, sand sheets of historic and paleo-tsunamis represent minimum estimates for the coastal inundation and underestimation may be reduced by addressing the woody and organic fraction of a tsunami’s inundation.
format	article
author	Piero Bellanova Mike Frenken Yuichi Nishimura Jan Schwarzbauer Klaus Reicherter
author_facet	Piero Bellanova Mike Frenken Yuichi Nishimura Jan Schwarzbauer Klaus Reicherter
author_sort	Piero Bellanova
title	Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)
title_short	Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)
title_full	Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)
title_fullStr	Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)
title_full_unstemmed	Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)
title_sort	tracing woody-organic tsunami deposits of the 2011 tohoku-oki event in misawa (japan)
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/48c2ccc9883849b58b5f04094ed22d60
work_keys_str_mv	AT pierobellanova tracingwoodyorganictsunamidepositsofthe2011tohokuokieventinmisawajapan AT mikefrenken tracingwoodyorganictsunamidepositsofthe2011tohokuokieventinmisawajapan AT yuichinishimura tracingwoodyorganictsunamidepositsofthe2011tohokuokieventinmisawajapan AT janschwarzbauer tracingwoodyorganictsunamidepositsofthe2011tohokuokieventinmisawajapan AT klausreicherter tracingwoodyorganictsunamidepositsofthe2011tohokuokieventinmisawajapan
_version_	1718381197194690560

Tracing woody-organic tsunami deposits of the 2011 Tohoku-oki event in Misawa (Japan)

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