Article Dans Une Revue Geophysical Research Letters Année : 2023

Global Variability in Multi‐Century Ground Warming Inferred From Geothermal Data

Peter O Hopcroft
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Kerry Gallagher

Résumé

Measurements of Earth's surface air temperatures covering the last 150 years show a pronounced warming (I. Harris et al., 2014) that is largely the result of human influence (Bindoff et al., 2013; Hegerl et al., 2019). Longer records of surface temperature are invaluable for placing the recent anthropogenically perturbed period in the broader context of Earth's pre-industrial climate variability (Neukom et al., 2019). The instrumental surface air temperature record is limited in the years before CE 1850 (Benestad et al., 2019; I. Harris et al., 2014; Morice et al., 2012) and only a few longer instrumental records are available from historical records (Brönnimann et al., 2019). For this reason temperature sensitive proxies such as tree and coral growth rings, ice-cores and lake sediments are used to reconstruct earlier climate variations (e.g.,

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insu-04150363 , version 1 (04-07-2023)

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Peter O Hopcroft, Kerry Gallagher. Global Variability in Multi‐Century Ground Warming Inferred From Geothermal Data. Geophysical Research Letters, 2023, 50 (13), pp.e2023GL104631. ⟨10.1029/2023GL104631⟩. ⟨insu-04150363⟩
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