Articles | Volume 20, issue 7
https://doi.org/10.5194/cp-20-1521-2024
© Author(s) 2024. 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-20-1521-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Reconstructing Younger Dryas ground temperature and snow thickness from cave deposits
Paul Töchterle
Institute of Geology, University of Innsbruck, Innsbruck, Austria
Anna Baldo
Institute of Geology, University of Innsbruck, Innsbruck, Austria
Julian B. Murton
Department of Geography, University of Sussex, Brighton, UK
Frederik Schenk
Department of Geological Sciences and Bolin Centre for Climate Research, Stockholm University, Stockholm, Sweden
Department of Geosciences and Geography, University of Helsinki, Helsinki, Finland
R. Lawrence Edwards
Department of Earth and Environmental Sciences, University of Minnesota, Minneapolis, USA
Gabriella Koltai
Institute of Geology, University of Innsbruck, Innsbruck, Austria
Institute of Geology, University of Innsbruck, Innsbruck, Austria
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Manuscript not accepted for further review
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Precipitation and moisture sources over an arid region in northeast Greenland are investigated from 1979 to 2017 by a Lagrangian moisture source diagnostic driven by reanalysis data. Dominant winter moisture sources are the North Atlantic above 45° N. In summer local and north Eurasian continental sources dominate. In positive phases of the North Atlantic Oscillation, evaporation and moisture transport from the Norwegian Sea are stronger, resulting in more precipitation.
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Short summary
We present a reconstruction of permafrost and snow cover on the British Isles for the Younger Dryas period, a time of extremely cold winters that happened approximately 12 000 years ago. Our results indicate that seasonal sea ice in the North Atlantic was most likely a crucial factor to explain the observed climate shifts during this time.
We present a reconstruction of permafrost and snow cover on the British Isles for the Younger...