Professor David Evans d.j.a.evans@durham.ac.uk
Professor
Professor David Evans d.j.a.evans@durham.ac.uk
Professor
Professor Dave Roberts d.h.roberts@durham.ac.uk
Professor
Mark D. Bateman
Chris D. Clark
Alicia Medialdea
Louise Callard
Elena Grimoldi
Richard C. Chiverrell
Jeremy Ely
Dayton Dove
Colm Ó Cofaigh
Margot Saher
Tom Bradwell
Steven G. Moreton
Derek Fabel
Sarah L. Bradley
The findings of BRITICE‐CHRONO Transect 2 through the North Sea Basin and eastern England are reported. We define ice‐sheet marginal oscillation between ~31 and 16 ka, with seven distinctive former ice‐sheet limits (L1–7) constrained by Bayesian statistical analysis. The southernmost limit of the North Sea Lobe is recorded by the Bolders Bank Formation (L1; 25.8–24.6 ka). L2 represents ice‐sheet oscillation and early retreat to the northern edge of the Dogger Bank (23.5–22.2 ka), with the Garret Hill Moraine in north Norfolk recording a significant regional readvance to L3 at 21.5–20.8 ka. Ice‐marginal oscillations at ~26–21 ka resulted in L1, L2 and L3 being partially to totally overprinted. Ice‐dammed lakes related to L1–3, including Lake Humber, are dated at 24.1–22.3 ka. Ice‐sheet oscillation and retreat from L4 to L5 occurred between 19.7 and 17.3 ka, with grounding zone wedges marking an important transition from terrestrial to marine tidewater conditions, triggered by the opening of the Dogger Lake spillway between 19.9 and 17.5 ka. L6 relates to ice retreat under glacimarine conditions and final ice retreat into the Firth of Forth by 15.8 ka. L7 (~15 ka) represents an ice retreat from Bosies Bank into the Moray Firth.
Evans, D. J., Roberts, D. H., Bateman, M. D., Clark, C. D., Medialdea, A., Callard, L., Grimoldi, E., Chiverrell, R. C., Ely, J., Dove, D., Ó Cofaigh, C., Saher, M., Bradwell, T., Moreton, S. G., Fabel, D., & Bradley, S. L. (2021). Retreat dynamics of the eastern sector of the British–Irish Ice Sheet during the last glaciation. Journal of Quaternary Science, 36(5), 723-751. https://doi.org/10.1002/jqs.3275
Journal Article Type | Article |
---|---|
Acceptance Date | Jan 11, 2021 |
Online Publication Date | Mar 10, 2021 |
Publication Date | Jun 21, 2021 |
Deposit Date | Apr 7, 2021 |
Publicly Available Date | Apr 7, 2021 |
Journal | Journal of Quaternary Science |
Print ISSN | 0267-8179 |
Electronic ISSN | 1099-1417 |
Publisher | Wiley |
Peer Reviewed | Peer Reviewed |
Volume | 36 |
Issue | 5 |
Pages | 723-751 |
DOI | https://doi.org/10.1002/jqs.3275 |
Public URL | https://durham-repository.worktribe.com/output/1250245 |
Published Journal Article (Early View: Online Version of Record before inclusion in an issue)
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Copyright Statement
Early View: Online Version of Record before inclusion in an issue Copyright © 2021 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.
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