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BG | Articles | Volume 16, issue 6
Biogeosciences, 16, 1147–1165, 2019
https://doi.org/10.5194/bg-16-1147-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 16, 1147–1165, 2019
https://doi.org/10.5194/bg-16-1147-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 20 Mar 2019

Research article | 20 Mar 2019

Planktonic foraminiferal spine versus shell carbonate Na incorporation in relation to salinity

Eveline M. Mezger 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. 
Bé, A. W. H.: Gametogenic calcification in a spinose planktonic foraminifer, Globigerinoides sacculifer (Brady), Mar. Micropaleontol., 5, 283–310, https://doi.org/10.1016/0377-8398(80)90014-6, 1980. 
Beniash, E., Aizenberg, J., Addadi, L., and Weiner, S.: Amorphous calcium carbonate transforms into calcite during sea urchin larval spicule growth, P. Roy. Soc. Lond. B Bio., 264, 461–465, https://doi.org/10.1098/rspb.1997.0066, 1997. 
Bertlich, J., Nürnberg, D., Hathorne, E. C., de Nooijer, L. J., Mezger, E. M., Kienast, M., Nordhausen, S., Reichart, G.-J., Schönfeld, J., and Bijma, J.: Salinity control on Na incorporation into calcite tests of the planktonic foraminifera Trilobatus sacculifer–Evidence from culture experiments and surface sediments, Biogeosciences, 15, 5991–6018, https://doi.org/10.5194/bg-15-5991-2018, 2018. 
Bijma, J., Faber, W. W., and Hemleben, C.: Temperature and salinity limits for growth and survival of some planktonic foraminifers in laboratory cultures, J. Foramin. Res., 20, 95–116, https://doi.org/10.2113/gsjfr.20.2.95, 1990. 
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Seawater salinity is an important factor when trying to reconstruct past ocean conditions. Foraminifera, small organisms living in the sea, produce shells that incorporate more Na at higher salinities. The accuracy of reconstructions depends on the fundamental understanding involved in the incorporation and preservation of the original Na of the shell. In this study, we unravel the Na composition of different components of the shell and describe the relative contribution of these components.
Seawater salinity is an important factor when trying to reconstruct past ocean conditions....
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