The IPCC's reductive Common Era temperature history

0585732 - ÚVGZ 2025 RIV GB eng J - Journal Article
Esper, Jan - Smerdon, J. E. - Anchukaitis, K. J. - Allen, K. - Cook, E.R. - D'Arrigo, R. - Guillet, S. - Ljungqvist, F. C. - Reinig, F. - Schneider, L. - Sigl, M. - Stoffel, M. - Trnka, Miroslav - Wilson, R. - Büntgen, Ulf
The IPCC's reductive Common Era temperature history.
Communications Earth & Enviroment. Roč. 5, č. 1 (2024), č. článku 222. E-ISSN 2662-4435
R&D Projects: GA MŠMT(CZ) EH22_008/0004635
Institutional support: RVO:86652079
Keywords : northern-hemisphere temperatures * last millennium * large-scale * tree-rings * surface-temperature * summer temperatures * climate * reconstruction * resolution * variability
OECD category: Climatic research
Impact factor: 7.9, year: 2022
Method of publishing: Open access
https://www.nature.com/articles/s43247-024-01371-1

Common Era temperature variability has been a prominent component in Intergovernmental Panel on Climate Change reports over the last several decades and was twice featured in their Summary for Policymakers. A single reconstruction of mean Northern Hemisphere temperature variability was first highlighted in the 2001 Summary for Policymakers, despite other estimates that existed at the time. Subsequent reports assessed many large-scale temperature reconstructions, but the entirety of Common Era temperature history in the most recent Sixth Assessment Report of the Intergovernmental Panel on Climate Change was restricted to a single estimate of mean annual global temperatures. We argue that this focus on a single reconstruction is an insufficient summary of our understanding of temperature variability over the Common Era. We provide a complementary perspective by offering an alternative assessment of the state of our understanding in high-resolution paleoclimatology for the Common Era and call for future reports to present a more accurate and comprehensive assessment of our knowledge about this important period of human and climate history.
Permanent Link: https://hdl.handle.net/11104/0353620