Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea
This paper is part of Anders Romundset's doctoral thesis, which is available in Munin at http://hdl.handle.net/10037/2703 There is clear evidence that the Storegga tsunami, triggered by the giant Storegga slide offshore western Norway 8100-8200 years ago, propagated into the Barents Sea. Cores...
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ftunivtroemsoe:oai:munin.uit.no:10037/2973 2023-05-15T15:08:51+02:00 Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea Romundset, Anders Bondevik, Stein 2010-10 https://hdl.handle.net/10037/2973 eng eng Wiley-Blackwell Journal of Quaternary Science (forthcoming) https://hdl.handle.net/10037/2973 URN:NBN:no-uit_munin_2704 openAccess Storegga tsunami deposits Finnmark Barents Sea holocene VDP::Mathematics and natural science: 400::Geosciences: 450::Quaternary geology glaciology: 465 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Kvartærgeologi glasiologi: 465 Preprint Manuskript 2010 ftunivtroemsoe 2021-06-25T17:52:58Z This paper is part of Anders Romundset's doctoral thesis, which is available in Munin at http://hdl.handle.net/10037/2703 There is clear evidence that the Storegga tsunami, triggered by the giant Storegga slide offshore western Norway 8100-8200 years ago, propagated into the Barents Sea. Cores from five coastal lakes along the coast of Finnmark in northern Norway reveal major erosion and deposition from the inundation of the tsunami. The deposits rest on a distinct erosional unconformity and consist of graded sand layers and re-deposited organic remains. Some of the organic remains are rip-up clasts of lake mud, peat and soil and suggest strong erosion of the lake floor and neighbouring land. In this part of the Arctic coastal lakes are usually covered by > 1 m of solid lake ice in the winter season. The significant erosion and deposition of rip-up clasts indicate that the lakes were ice free and that the ground was probably not frozen. We suggest that the Storegga slide and tsunami event happened sometime in the summer season; between April and October. Minimum run-up has been reconstructed to 3-4 m. Report Arctic Barents Sea Finnmark Northern Norway Finnmark University of Tromsø: Munin Open Research Archive Arctic Barents Sea Norway Rip ENVELOPE(-19.509,-19.509,65.690,65.690) Storegga ENVELOPE(18.251,18.251,68.645,68.645) |
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Open Polar |
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University of Tromsø: Munin Open Research Archive |
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ftunivtroemsoe |
language |
English |
topic |
Storegga tsunami deposits Finnmark Barents Sea holocene VDP::Mathematics and natural science: 400::Geosciences: 450::Quaternary geology glaciology: 465 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Kvartærgeologi glasiologi: 465 |
spellingShingle |
Storegga tsunami deposits Finnmark Barents Sea holocene VDP::Mathematics and natural science: 400::Geosciences: 450::Quaternary geology glaciology: 465 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Kvartærgeologi glasiologi: 465 Romundset, Anders Bondevik, Stein Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea |
topic_facet |
Storegga tsunami deposits Finnmark Barents Sea holocene VDP::Mathematics and natural science: 400::Geosciences: 450::Quaternary geology glaciology: 465 VDP::Matematikk og Naturvitenskap: 400::Geofag: 450::Kvartærgeologi glasiologi: 465 |
description |
This paper is part of Anders Romundset's doctoral thesis, which is available in Munin at http://hdl.handle.net/10037/2703 There is clear evidence that the Storegga tsunami, triggered by the giant Storegga slide offshore western Norway 8100-8200 years ago, propagated into the Barents Sea. Cores from five coastal lakes along the coast of Finnmark in northern Norway reveal major erosion and deposition from the inundation of the tsunami. The deposits rest on a distinct erosional unconformity and consist of graded sand layers and re-deposited organic remains. Some of the organic remains are rip-up clasts of lake mud, peat and soil and suggest strong erosion of the lake floor and neighbouring land. In this part of the Arctic coastal lakes are usually covered by > 1 m of solid lake ice in the winter season. The significant erosion and deposition of rip-up clasts indicate that the lakes were ice free and that the ground was probably not frozen. We suggest that the Storegga slide and tsunami event happened sometime in the summer season; between April and October. Minimum run-up has been reconstructed to 3-4 m. |
format |
Report |
author |
Romundset, Anders Bondevik, Stein |
author_facet |
Romundset, Anders Bondevik, Stein |
author_sort |
Romundset, Anders |
title |
Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea |
title_short |
Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea |
title_full |
Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea |
title_fullStr |
Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea |
title_full_unstemmed |
Propagation of the Storegga tsunami into ice-free lakes along the southern shores of the Barents Sea |
title_sort |
propagation of the storegga tsunami into ice-free lakes along the southern shores of the barents sea |
publisher |
Wiley-Blackwell |
publishDate |
2010 |
url |
https://hdl.handle.net/10037/2973 |
long_lat |
ENVELOPE(-19.509,-19.509,65.690,65.690) ENVELOPE(18.251,18.251,68.645,68.645) |
geographic |
Arctic Barents Sea Norway Rip Storegga |
geographic_facet |
Arctic Barents Sea Norway Rip Storegga |
genre |
Arctic Barents Sea Finnmark Northern Norway Finnmark |
genre_facet |
Arctic Barents Sea Finnmark Northern Norway Finnmark |
op_relation |
Journal of Quaternary Science (forthcoming) https://hdl.handle.net/10037/2973 URN:NBN:no-uit_munin_2704 |
op_rights |
openAccess |
_version_ |
1766340133979684864 |