Articles | Volume 17, issue 6
Clim. Past, 17, 2559–2576, 2021
https://doi.org/10.5194/cp-17-2559-2021
Clim. Past, 17, 2559–2576, 2021
https://doi.org/10.5194/cp-17-2559-2021

Research article 10 Dec 2021

Research article | 10 Dec 2021

A new perspective on permafrost boundaries in France during the Last Glacial Maximum

Kim H. Stadelmaier et al.

Data sets

CMIP5 simulations of the Max Planck Institute for Meteorology (MPI-M) based on the MPI-ESM-P model: The piControl experiment, served by ESGF Johann Jungclaus, Marco Giorgetta, Christian Reick, Stephanie Legutke, Victor Brovkin, Traute Crueger, Monika Esch, Kerstin Fieg, Nils Fischer, Ksenia Glushak, Veronika Gayler, Helmuth Haak, Heinz-Dieter Hollweg, Stefan Kinne, Luis Kornblueh, Daniela Matei, Thorsten Mauritsen, Uwe Mikolajewicz, Wolfgang Müller, Dirk Notz, Thomas Pohlmann, Thomas Raddatz, Sebastian Rast, Erich Roeckner, Marc Salzmann, Hauke Schmidt, Reiner Schnur, Joachim Segschneider, Katharina Six, Martina Stockhause, Joerg Wegner, Heinrich Widmann, Karl-Hermann Wieners, Martin Claussen, Jochem Marotzke, and Bjorn Stevens https://doi.org/10.1594/WDCC/CMIP5.MXEPpc

CLIMAP Last Glacial Maximum International Research Institute for Climate and Society, Columbia Climate School (IRI) https://iridl.ldeo.columbia.edu/SOURCES/.CLIMAP/.LGM/

Database of pleistocene periglacial featuresin France: description of the online version (https://afeqeng.hypotheses.org/487) E. Andrieux, P. Bertran, P. Antoine, L. Deschodt, A. Lenoble, S. Coutard, A. Ajas, Q. Borderie, J.-P. Coutard, F. Didierjean, B. Dousteyssier, C. Ferrier, P. Gardère, T. Gé, M. Liard, J.-L. Locht, H.-G. Naton, M. Rué, L. Sitzia, B. Van Vliet-Lanoe, and G. Vernet https://doi.org/10.4000/quaternaire.7717

Paleo-periglacial phenomena in Northwestern Europe, Version 1 A. S. Huijzer, J. Vandenberghe, J. van Huissteden, and R. F. B Isarin https://doi.org/10.7265/vt3z-8663

CMIP5 simulations of the Max Planck Institute for Meteorology (MPI-M) based on the MPI-ESM-P model: The lgm experiment, served by ESGF Johann Jungclaus, Marco Giorgetta, Christian Reick, Stephanie Legutke, Victor Brovkin, Traute Crueger, Monika Esch, Kerstin Fieg, Nils Fischer, Ksenia Glushak, Veronika Gayler, Helmuth Haak, Heinz-Dieter Hollweg, Stefan Kinne, Luis Kornblueh, Daniela Matei, Thorsten Mauritsen, Uwe Mikolajewicz, Wolfgang Müller, Dirk Notz, Thomas Pohlmann, Thomas Raddatz, Sebastian Rast, Erich Roeckner, Marc Salzmann, Hauke Schmidt, Reiner Schnur, Joachim Segschneider, Katharina Six, Martina Stockhause, Joerg Wegner, Heinrich Widmann, Karl-Hermann Wieners, Martin Claussen, Jochem Marotzke, and Bjorn Stevens https://doi.org/10.1594/WDCC/CMIP5.MXEPlg

Model code and software

The AWI Climate Model (AWI-CM) FESOM https://fesom.de/models/awi-cm/

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Short summary
We use regional climate simulations for the Last Glacial Maximum to reconstruct permafrost and to identify areas of thermal contraction cracking of the ground in western Europe. We find ground cracking, a precondition for the development of permafrost proxies, south of the probable permafrost border, implying that permafrost was not the limiting factor for proxy development. A good agreement with permafrost and climate proxy data is achieved when easterly winds are modelled more frequently.