Articles | Volume 15, issue 10
Biogeosciences, 15, 3223–3241, 2018
https://doi.org/10.5194/bg-15-3223-2018
Biogeosciences, 15, 3223–3241, 2018
https://doi.org/10.5194/bg-15-3223-2018

Research article 31 May 2018

Research article | 31 May 2018

The triple oxygen isotope composition of phytoliths as a proxy of continental atmospheric humidity: insights from climate chamber and climate transect calibrations

Anne Alexandre et al.

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Short summary
There is a lack of proxies suitable for reconstructing, in a quantitative way, past changes in continental atmospheric humidity, which is a key climate parameter. Here, we demonstrate through climate chamber and climate transect calibrations that the triple oxygen isotope composition of phytoliths offers a potential for reconstructing changes in relative humidity.
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