Articles | Volume 12, issue 8
https://doi.org/10.5194/bg-12-2411-2015
https://doi.org/10.5194/bg-12-2411-2015
Research article
 | 
24 Apr 2015
Research article |  | 24 Apr 2015

Reconciling single-chamber Mg / Ca with whole-shell δ18O in surface to deep-dwelling planktonic foraminifera from the Mozambique Channel

J. Steinhardt, C. Cléroux, L. J. de Nooijer, G.-J. Brummer, R. Zahn, G. Ganssen, and G.-J. Reichart

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Cited articles

Anand, P., Elderfield, H., and Conte, M.: Calibration of Mg / Ca thermometry in planktonic foraminifera from a sediment trap time series, Paleoceanography, 18, 28–31, 2003.
Backeberg, B. and Reason, C.: A connection between the South Equatorial Current north of Madagascar and Mozambique Channel Eddies, Geophys. Res. Lett., 37, L04604, https://doi.org/10.1029/2009GL041950, 2010.
Barker, S., Greaves, M., and Elderfield, H.: A study of cleaning procedures used for foraminiferal Mg / Ca paleothermometry, Geochem. Geophy. Geosy., 4, 8407, https://doi.org/10.1029/2003GC000559, 2003.
Bé, A. W. H.: Planktonic foraminifera, Antarct. Map Folio Ser. Am. Geogr. Soc., 9–12, 1969.
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.
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Short summary
In this paper we present, for the first time, results from single-chamber Mg/Ca analyses combined with single-shell δ18O and δ13C for four planktonic foraminiferal species from a sediment trap in the Mozambique Channel. Eddy-induced hydrographic variability is reflected in test carbonate chemistry of these different species. A species-specific depth-resolved mass balance model confirms distinctive migration and calcification patterns for each species as a function of hydrography.
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