ESSELL, Helen, Jan ESPER, Heinz WANNER and Ulf BÜNTGEN. Rethinking the Holocene temperature conundrum. Climate Research. Inter-Research, 2024, vol. 92, February, p. 61-64. ISSN 0936-577X. Available from: https://dx.doi.org/10.3354/cr01735.
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Basic information
Original name Rethinking the Holocene temperature conundrum
Authors ESSELL, Helen, Jan ESPER, Heinz WANNER and Ulf BÜNTGEN (276 Germany, guarantor, belonging to the institution).
Edition Climate Research, Inter-Research, 2024, 0936-577X.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10509 Meteorology and atmospheric sciences
Country of publisher Germany
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 1.100 in 2022
Organization unit Faculty of Science
Doi http://dx.doi.org/10.3354/cr01735
UT WoS 001204492800001
Keywords in English Holocene climates; Temperature reconstructions; Proxy archives; Model simulations; Orbital forcing; Paleoclimate research
Tags rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Marie Šípková, DiS., učo 437722. Changed: 3/5/2024 12:54.
Abstract
Recent scholarship argues for more research to resolve the 'Holocene temperature conundrum', an apparent discrepancy between decreasing proxy-reconstructed and increasing model-simulated long-term temperature trends during the late Holocene. Here, we argue that the observed proxy-model offset likely results from inappropriate comparisons of different seasonal and spatial signals in the reconstructed and simulated palaeo-data. Since proxy archives have been used to reconstruct global annual mean temperatures, they have been compared against model simulations of the same seasonal and spatial domains. However, we suggest that most of the proxy-based large-scale reconstructions are biased towards Northern Hemisphere summer temperatures, and as such model comparisons have predominantly focused on the wrong target data. Further to advancing our understanding of long-term temperature trends, we recommend prioritising the refinement of proxy networks and climate reconstructions to preserve the full spectrum of naturally forced, interannual to multi-millennial variations needed to contextualise recent anthropogenic changes against past Holocene ranges.
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