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Reconstruction of past CO2 concentration at a natural CO2 vent site using radiocarbon dating of tree rings

Abstract

Total CO2 exposure levels in a naturally enriched site (Lajatico, Italy) were reconstructed using radiocarbon analysis by accelerator mass spectrometry combined with dendrochronological analysis on wood cores extracted from trees grown in the fossil CO2 source proximity. Over 3 decades (1964–1998), the data show a mean CO2 concentration in the atmosphere of 650 ppm, about twice the current concentration in atmosphere, with a maximum around 1980.

Citation

(2005). Reconstruction of past CO2 concentration at a natural CO2 vent site using radiocarbon dating of tree rings. Radiocarbon, 257 - 263. https://doi.org/10.1017/S0033822200019767

Acceptance Date Jan 1, 2005
Publication Date Jan 1, 2005
Journal Radiocarbon
Print ISSN 0033-8222
Publisher Cambridge University Press
Pages 257 - 263
DOI https://doi.org/10.1017/S0033822200019767
Publisher URL https://doi.org/10.1017/S0033822200019767



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