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Appears in Collections:History and Politics Journal Articles
Peer Review Status: Refereed
Title: The 1430s: a cold period of extraordinary internal climate variability during the early Spörer Minimum with social and economic impacts in north-western and central Europe
Author(s): Camenisch, Chantal
Keller, Kathrin M
Salvisberg, Melanie
Amann, Benjamin
Bauch, Martin
Blumer, Sandro
Brázdil, Rudolf
Brönnimann, Stefan
Büntgen, Ulf
Campbell, Bruce M S
Fernández-Donado, Laura
Fleitmann, Dominik
Glaser, Rüdiger
González-Rouco, Fidel
Slavin, Philip
Keywords: Stratigraphy
Global and Planetary Change
Issue Date: 2016
Citation: Camenisch C, Keller KM, Salvisberg M, Amann B, Bauch M, Blumer S, Brázdil R, Brönnimann S, Büntgen U, Campbell BMS, Fernández-Donado L, Fleitmann D, Glaser R, González-Rouco F & Slavin P (2016) The 1430s: a cold period of extraordinary internal climate variability during the early Spörer Minimum with social and economic impacts in north-western and central Europe. Climate of the Past, 12 (11), pp. 2107-2126.
Abstract: Changes in climate affected human societies throughout the last millennium. While European cold periods in the 17th and 18th century have been assessed in detail, earlier cold periods received much less attention due to sparse information available. New evidence from proxy archives, historical documentary sources and climate model simulations permit us to provide an interdisciplinary, systematic assessment of an exceptionally cold period in the 15th century. Our assessment includes the role of internal, unforced climate variability and external forcing in shaping extreme climatic conditions and the impacts on and responses of the medieval society in north-western and central Europe. Climate reconstructions from a multitude of natural and anthropogenic archives indicate that the 1430s were the coldest decade in north-western and central Europe in the 15th century. This decade is characterised by cold winters and average to warm summers resulting in a strong seasonal cycle in temperature. Results from comprehensive climate models indicate consistently that these conditions occurred by chance due to the partly chaotic internal variability within the climate system. External forcing like volcanic eruptions tends to reduce simulated temperature seasonality and cannot explain the reconstructions. The strong seasonal cycle in temperature reduced food production and led to increasing food prices, a subsistence crisis and a famine in parts of Europe. Societies were not prepared to cope with failing markets and interrupted trade routes. In response to the crisis, authorities implemented numerous measures of supply policy and adaptation such as the installation of grain storage capacities to be prepared for future food production shortfalls.
DOI Link: 10.5194/cp-12-2107-2016
Rights: © Author(s) 2016. CC Attribution 3.0 License (
Notes: Additional co-authors: Martin Grosjean, Richard C Hoffmann, Heli Huhtamaa, Fortunat Joos, Andrea Kiss, Oldrich Kotyza, Flavio Lehner, Jürg Luterbacher, Nicolas Maughan, Raphael Neukom, Theresa Novy, Kathleen Pribyl, Christoph C Raible, Dirk Riemann, Maximilian Schuh, Johannes P. Werner, and Oliver Wetter
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