Articles | Volume 18, issue 5
https://doi.org/10.5194/cp-18-1203-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-18-1203-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
30 May 2022
Research article |
| 30 May 2022
| 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
CORRESPONDING AUTHOR
School of Built and Natural Environment, University of Derby, Derby, DE22 1GB, UK
Annemarie M. Valentine
School of Geography and Environmental Science, Nottingham Trent University, Southwell, NG25 0QF, UK
Bernd R. Schöne
Institute of Geosciences, University of Mainz, 55128 Mainz, Germany
Melanie J. Leng
National Environmental Isotope Facility, British Geological Survey, Keyworth, NG12 5GG, UK
Stijn Goolaerts
OD Earth & History of Life and Scientific Heritage Service, Royal Belgian Institute of Natural Sciences, 1000 Brussels, Belgium
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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.
Determining seasonal temperatures demands proxies that record the highest and lowest...
