Articles | Volume 18, issue 12
Biogeosciences, 18, 3937–3959, 2021
https://doi.org/10.5194/bg-18-3937-2021
Biogeosciences, 18, 3937–3959, 2021
https://doi.org/10.5194/bg-18-3937-2021

Research article 01 Jul 2021

Research article | 01 Jul 2021

Development of global temperature and pH calibrations based on bacterial 3-hydroxy fatty acids in soils

Pierre Véquaud et al.

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Cited articles

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Bonanomi, G., Zotti, M., Mogavero, V., Cesarano, G., Saulino, L., Rita, A., Tesei, G., Allegrezza, M., Saracino, A., and Allevato, E.: Climatic and anthropogenic factors explain the variability of Fagus sylvatica treeline elevation in fifteen mountain groups across the Apennines, Forest Ecosyst., 7, 5, https://doi.org/10.1186/s40663-020-0217-8, 2020. 
Bond, G., Kromer, B., Beer, J., Muscheler, R., Evans, M. N., Showers, W., Hoffmann, S., Lotti-Bond, R., Hajdas, I., and Bonani, G.: Persistent Solar Influence on North Atlantic Climate During the Holocene, Science, 294, 2130–2136, https://doi.org/10.1126/science.1065680, 2001. 
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Short summary
A better understanding of past climate variations is essential to apprehend future climatic changes. The aim of this study is to investigate the applicability of specific organic compounds of bacterial origin, 3-hydroxy fatty acids (3-OH FAs), as temperature and pH proxies at the global level using an extended soil dataset. We show the major potential of 3-OH FAs as such proxies in terrestrial environments through the different models presented and their application for palaeoreconstruction.
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