Articles | Volume 16, issue 1
Clim. Past, 16, 17–27, 2020
https://doi.org/10.5194/cp-16-17-2020
Clim. Past, 16, 17–27, 2020
https://doi.org/10.5194/cp-16-17-2020
Research article
07 Jan 2020
Research article | 07 Jan 2020

Experimental evaluation of oxygen isotopic exchange between inclusion water and host calcite in speleothems

Ryu Uemura et al.

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Latest update: 28 Jun 2022
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Short summary
The oxygen isotopic ratio of water in fluid inclusions in speleothems is an important proxy for the changes in past hydroclimate and temperatures. This isotopic ratio, however, may be affected by isotopic exchange between the water and the host calcite. Here we evaluate this exchange reaction based on a laboratory experiment. We demonstrated that the exchange was detectable but not significant for temperature reconstruction, likely because the reaction occurred only with a thin calcite layer.