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BG | Articles | Volume 15, issue 1
Biogeosciences, 15, 331–348, 2018
https://doi.org/10.5194/bg-15-331-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Biogeosciences, 15, 331–348, 2018
https://doi.org/10.5194/bg-15-331-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 16 Jan 2018

Research article | 16 Jan 2018

Mn∕Ca intra- and inter-test variability in the benthic foraminifer Ammonia tepida

Jassin Petersen et al.

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Cited articles

Aller, R. C.: Bioturbation and manganese cycling in hemipelagic sediments, Philos. T. R. Soc. A, 331, 51–68, 1990. 
Aller, R. C.: The sedimentary Mn cycle in Long Island Sound: Its role as intermediate oxidant and the influence of bioturbation, O2, and Corg flux on diagenetic reaction balances, J. Mar. Res., 52, 259–295, https://doi.org/10.1357/0022240943077091, 1994. 
Allison, N. and Austin, W. E. N.: The potential of ion microprobe analysis in detecting geochemical variations across individual foraminifera tests, Geochem. Geophy. Geosy., 4, 8403, https://doi.org/10.1029/2002GC000430, 2003. 
Altabet, M. A., Francois, R., Murray, D. W., and Prell, W. L.: Climate-related variations in denitrification in the Arabian Sea from sediment 15N∕14N ratios, Nature, 373, 506–509, 1995. 
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. 
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In Lake Grevelingen, a coastal ecosystem, foraminifera experience important temporal variations in oxygen concentration and in pore water manganese. The high resolution of LA-ICP-MS allows us to analyse the chambers of foraminiferal shells separately and to obtain signals from a series of calcification events. We estimate the variability in Mn/Ca observed within single shells due to biomineralization and show that a substantial part of the signal is related to environmental variability.
In Lake Grevelingen, a coastal ecosystem, foraminifera experience important temporal variations...
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