Articles | Volume 18, issue 5
Clim. Past, 18, 1203–1229, 2022
https://doi.org/10.5194/cp-18-1203-2022
Clim. Past, 18, 1203–1229, 2022
https://doi.org/10.5194/cp-18-1203-2022
Research article
30 May 2022
Research article | 30 May 2022

Sclerochronological evidence of pronounced seasonality from the late Pliocene of the southern North Sea basin and its implications

Andrew L. A. Johnson et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on cp-2021-142', Anonymous Referee #1, 17 Dec 2021
    • AC1: 'Reply on RC1', Andrew Johnson, 09 Jan 2022
  • RC2: 'Comment on cp-2021-142', Anonymous Referee #2, 17 Dec 2021
    • AC2: 'Reply on RC2', Andrew Johnson, 10 Jan 2022
  • CC1: 'Comment on cp-2021-142', Niels de Winter, 28 Dec 2021
    • AC3: 'Reply on CC1', Andrew Johnson, 10 Jan 2022
      • CC2: 'Reply on AC3', Niels de Winter, 10 Jan 2022
        • AC4: 'Reply on CC2', Andrew Johnson, 13 Jan 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to minor revisions (review by editor) (23 Feb 2022) by Bjørg Risebrobakken
AR by Andrew Johnson on behalf of the Authors (21 Mar 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to minor revisions (review by editor) (06 Apr 2022) by Bjørg Risebrobakken
AR by Andrew Johnson on behalf of the Authors (19 Apr 2022)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (22 Apr 2022) by Bjørg Risebrobakken
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Short summary
Determining seasonal temperatures demands proxies that record the highest and lowest temperatures over the annual cycle. Many record neither, but oxygen isotope profiles from shells in principle record both. Oxygen isotope data from late Pliocene bivalve molluscs of the southern North Sea basin show that the seasonal temperature range was at times much higher than previously estimated and higher than now. This suggests reduced oceanic heat supply, in contrast to some previous interpretations.