Articles | Volume 18, issue 2
Biogeosciences, 18, 423–439, 2021
https://doi.org/10.5194/bg-18-423-2021
Biogeosciences, 18, 423–439, 2021
https://doi.org/10.5194/bg-18-423-2021

Research article 19 Jan 2021

Research article | 19 Jan 2021

Mg∕Ca, Sr∕Ca and stable isotopes from the planktonic foraminifera T. sacculifer: testing a multi-proxy approach for inferring paleotemperature and paleosalinity

Delphine Dissard et al.

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AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (26 Sep 2020) by Markus Kienast
AR by Delphine Dissard on behalf of the Authors (29 Sep 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (04 Oct 2020) by Markus Kienast
RR by Anonymous Referee #2 (27 Oct 2020)
ED: Publish as is (01 Nov 2020) by Markus Kienast
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Short summary
Results from a data set acquired from living foraminifera T. sacculifer collected from surface waters are presented, allowing us to establish a new Mg/Ca–Sr/Ca–temperature equation improving temperature reconstructions. When combining equations, δ18Ow can be reconstructed with a precision of ± 0.5 ‰, while successive reconstructions involving Mg/Ca and δ18Oc preclude salinity reconstruction with a precision better than ± 1.69. A new direct linear fit to reconstruct salinity could be established.
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