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Local and Regional Constraints on Relative Sea-Level Changes in Southern Isle of Skye, Scotland, since the Last Glacial Maximum

Best, L. and Simms, A.R. and Brader, M. and Lloyd, J. and Sefton, J. and Shennan, I. (2022) 'Local and Regional Constraints on Relative Sea-Level Changes in Southern Isle of Skye, Scotland, since the Last Glacial Maximum.', Journal of Quaternary Science, 37 (1). pp. 59-70.

Abstract

New relative sea-level (RSL) data constrain the timing and magnitude of RSL changes in the southern Isle of Skye following the Last Glacial Maximum (LGM). We identify a marine limit at ~23 m OD, indicating RSL ~20 m above present c. 15.1 ka. Isolation basin data, supported by terrestrial and marine limiting dates, record an RSL fall to 11.59 m above present by c. 14.2 ka. This RSL fall occurs across the time of global Meltwater Pulse 1A, supporting recent research on the sources of ice melting. Our new data also help to resolve some of the chronological issues within the existing Isle of Skye RSL record and provide details of the sub-Arctic marine environment associated with the transition into Devensian Lateglacial climate at c. 14.5 k cal a bp, and the timing of changes in response to the Loch Lomond Stadial climate. Glacio-isostatic adjustment (GIA) model predictions of RSL deviate from the RSL constraints and reflect uncertainties in local and global ice models used within the GIA models. An empirical RSL curve provides a target for future research.

Item Type:Article
Full text:Publisher-imposed embargo until 23 September 2022.
(AM) Accepted Manuscript
File format - PDF
(1770Kb)
Status:Peer-reviewed
Publisher Web site:https://doi.org/10.1002/jqs.3376
Publisher statement:This is the peer reviewed version of the following article: Best, L., Simms, A.R., Brader, M., Lloyd, J., Sefton, J. & Shennan, I. (2022). Local and Regional Constraints on Relative Sea-Level Changes in Southern Isle of Skye, Scotland, since the Last Glacial Maximum. Journal of Quaternary Science 37(1): 59-70, which has been published in final form at https://doi.org/10.1002/jqs.3376. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited.
Date accepted:07 September 2021
Date deposited:20 October 2021
Date of first online publication:23 September 2021
Date first made open access:23 September 2022

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