Professor Antony Long a.j.long@durham.ac.uk
Emeritus Professor
Lateglacial and Holocene relative sea-level changes and first evidence for the Storegga tsunami in Sutherland, Scotland
Long, A.J.; Barlow, N.L.M.; Dawson, S.; Hill, J.; Innes, J.B.; Kelham, C.; Milne, F.D.; Dawson, A.
Authors
N.L.M. Barlow
S. Dawson
J. Hill
J.B. Innes
C. Kelham
F.D. Milne
A. Dawson
Abstract
We reconstruct one of the longest relative sea-level (RSL) records in northwest Europe from the north coast of mainland Scotland, using data collected from three sites in Loch Eriboll (Sutherland) that we combine with other studies from the region. Following deglaciation, RSL fell from a Late Glacial highstand of +6-8 m OD (Ordnance Datum = c. mean sea level) at c. 15 k cal a BP to below present, then rose to an early Holocene highstand and remained at c. +1 m OD between c. 7 and 3 k cal a BP, before falling to present. We find no evidence for significant differential Holocene glacio-isostatic adjustment between sites on the northwest (Lochinver, Loch Laxford), north (Loch Eriboll) and northeast (Wick) coast of mainland Scotland. This suggests that the region was rapidly deglaciated and there was little difference in ice loads across the region. From one site at the head of Loch Eriboll we report the most westerly sedimentary evidence for the early Holocene Storegga tsunami on the Scottish mainland. The presence of the Storegga tsunami in Loch Eriboll is predicted by a tsunami wave model, which suggests that the tsunami impacted the entire north coast of Scotland and likely also the Atlantic coastline of northwest Scotland.
Citation
Long, A., Barlow, N., Dawson, S., Hill, J., Innes, J., Kelham, C., …Dawson, A. (2016). Lateglacial and Holocene relative sea-level changes and first evidence for the Storegga tsunami in Sutherland, Scotland. Journal of Quaternary Science, 31(3), 239-255. https://doi.org/10.1002/jqs.2862
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 6, 2016 |
Online Publication Date | May 18, 2016 |
Publication Date | Apr 1, 2016 |
Deposit Date | Apr 6, 2016 |
Publicly Available Date | Apr 7, 2016 |
Journal | Journal of Quaternary Science |
Print ISSN | 0267-8179 |
Electronic ISSN | 1099-1417 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 31 |
Issue | 3 |
Pages | 239-255 |
DOI | https://doi.org/10.1002/jqs.2862 |
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Copyright Statement
Copyright © 2016 The Authors. Journal of Quaternary Science Published by John Wiley & Sons Ltd
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Published Journal Article
(18.3 Mb)
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Publisher Licence URL
http://creativecommons.org/licenses/by/4.0/
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