Articles | Volume 16, issue 6
Clim. Past, 16, 2401–2414, 2020
https://doi.org/10.5194/cp-16-2401-2020
Clim. Past, 16, 2401–2414, 2020
https://doi.org/10.5194/cp-16-2401-2020
Research article
30 Nov 2020
Research article | 30 Nov 2020

Evaluation of oxygen isotopes and trace elements in planktonic foraminifera from the Mediterranean Sea as recorders of seawater oxygen isotopes and salinity

Linda K. Dämmer et al.

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Cited articles

Allen, K. A., Hönisch, B., Eggins, S. M., Haynes, L. L., Rosenthal, Y., and Yu, J.: Trace element proxies for surface ocean conditions: A synthesis of culture calibrations with planktic foraminifera, Geochim. Cosmochim. Ac., 193, 197–221, https://doi.org/10.1016/j.gca.2016.08.015, 2016. 
Allison, N., Austin, H., Austin, W., and Paterson, D. M.: Effects of seawater pH and calcification rate on test Mg  Ca and Sr  Ca in cultured individuals of the benthic, calcitic foraminifera Elphidium williamsoni, Chem. Geol., 289, 171–178, https://doi.org/10.1016/j.chemgeo.2011.08.001, 2011. 
Anand, P., Elderfield, H., and Conte, M. H.: Calibration of Mg  Ca thermometry in planktonic foraminifera from a sediment trap time series, Paleoceanography, 18, 1050, https://doi.org/10.1029/2002PA000846, 2003. 
Aurahs, R., Treis, Y., Darling, K., and Kucera, M.: A revised taxonomic and phylogenetic concept for the planktonic foraminifer species Globigerinoides ruber based on molecular and morphometric evidence, Mar. Micropaleontol., 79, 1–14, https://doi.org/10.1016/j.marmicro.2010.12.001, 2011. 
Avnaim-Katav, S., Herut, B., Rahav, E., Katz, T., Weinstein, Y., Alkalay, R., Berman-Frank, I., Zlatkin, O., and Almogi-Labin, A.: Sediment trap and deep sea coretop sediments as tracers of recent changes in planktonic foraminifera assemblages in the southeastern ultra-oligotrophic Levantine Basin, Deep-Sea Res. Pt. II, 171, 104669, https://doi.org/10.1016/j.dsr2.2019.104669, 2020. 
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Short summary
The compositions of foraminifera shells often vary with environmental parameters such as temperature or salinity; thus, they can be used as proxies for these environmental variables. Often a single proxy is influenced by more than one parameter. Here, we show that while salinity impacts shell Na / Ca, temperature has no effect. We also show that the combination of different proxies (Mg / Ca and δ18O) to reconstruct salinity does not seem to work as previously thought.