Climate of the Past
Climate of the Past
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Articles | Volume 11, issue 3
Articles | Volume 11, issue 3
https://doi.org/10.5194/cp-11-523-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-11-523-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 11, issue 3
Research article
 | 
24 Mar 2015
Research article |  | 24 Mar 2015

Evidence for the non-influence of salinity variability on the Porites coral Sr/Ca palaeothermometer

M. Moreau, T. Corrège, E. P. Dassié, and F. Le Cornec

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Short summary
The influence of salinity on the Porites Sr/Ca palaeothermometer is still poorly documented. We test the salinity effect on Porites Sr/Ca-based SST reconstructions using a large spatial compilation of published Porites data from the Pacific, Indian Ocean, and the Red Sea. We find no evidence of a salinity bias in the Sr/Ca SST proxy at monthly and interannual timescales using two different salinity products. This result is in agreement with laboratory experiments on coral species.
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