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Kersten, Franziska; Tiedemann, Ralf; Fietzke, Jan; Frische, Matthias (2013): Carbonate system of surface sediments from the South Pacific [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.821013, Supplement to: Kersten, F et al. (2013): The B/Ca proxy for past seawater carbonate chemistry reconstructions-laser ablation based calibrations for C. mundulus, C. wuellerstorfi and its morphotype C. cf. wuellerstorfi. Climate of the Past Discussions, 9(4), 4425-4448, https://doi.org/10.5194/cpd-9-4425-2013

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Published: 2013-10-24 • DOI registered: 2013-12-03

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Abstract:
B/Ca ratios in Cibicides mundulus and Cibicides wuellerstorfi have been shown to correlate with the degree of calcite saturation in seawater (D[CO32-]). In the South Pacific, a region of high importance in the global carbon cycle, these species are not continuously present in down-core records. Small numbers of epibenthic foraminifera in samples present an additional challenge, which can be overcome by using laser ablation-inductively coupled-mass spectrometry (LA-ICP-MS). We present a laser ablation based core-top calibration for Cibicides cf. wuellerstorfi, a C. wuellerstorfi morphotype that is abundant in the South Pacific and extend the existing global core top calibration for C. mundulus and C. wuellerstorfi to this region. B/Ca in C. cf. wuellerstorfi are linearly correlated with D[CO32-] and possibly display a higher sensitivity to calcite saturation changes than C. wuellerstorfi. Trace element profiles through C. wuellerstorfi and C. mundulus reveal an intra-shell B/Ca variation of ±36% around the mean shell value. Mg/Ca and B/Ca display opposite trends along the shell. Both phenomena likely result from ontogenetic effects. Intra-shell variability equals intra-sample variability, mean sample B/Ca values can thus be reliably calculated from averaged spot results of single specimen. In the global B/Ca-D[CO32-] range, we observe an inverse relationship between water mass age and D[CO32-].
Project(s):
Paleoenvironmental Reconstructions from Marine Sediments @ AWI (AWI_Paleo)
Coverage:
Median Latitude: -45.532211 * Median Longitude: -167.253332 * South-bound Latitude: -48.261780 * West-bound Longitude: 174.525770 * North-bound Latitude: -43.403480 * East-bound Longitude: -115.153430
Date/Time Start: 2010-01-21T18:00:00 * Date/Time End: 2011-03-04T14:34:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
24 datasets

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Datasets listed in this publication series

  1. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core PS75/099-1. https://doi.org/10.1594/PANGAEA.820646
  2. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core PS75/100-1. https://doi.org/10.1594/PANGAEA.820647
  3. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core PS75/100-1. https://doi.org/10.1594/PANGAEA.820661
  4. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides wuellerstorfi of sediment core PS75/100-4. https://doi.org/10.1594/PANGAEA.820639
  5. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core PS75/101-2. https://doi.org/10.1594/PANGAEA.820649
  6. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core PS75/101-2. https://doi.org/10.1594/PANGAEA.820663
  7. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core PS75/103-1. https://doi.org/10.1594/PANGAEA.820664
  8. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core PS75/104-2. https://doi.org/10.1594/PANGAEA.820652
  9. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides wuellerstorfi of sediment core PS75/104-2. https://doi.org/10.1594/PANGAEA.820642
  10. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core PS75/105-1. https://doi.org/10.1594/PANGAEA.820653
  11. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides wuellerstorfi of sediment core PS75/105-1. https://doi.org/10.1594/PANGAEA.820643
  12. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides wuellerstorfi of sediment core SO213/2_58-1. https://doi.org/10.1594/PANGAEA.820644
  13. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core SO213/2_59-1. https://doi.org/10.1594/PANGAEA.820654
  14. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core SO213/2_59-1. https://doi.org/10.1594/PANGAEA.820665
  15. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core SO213/2_63-1. https://doi.org/10.1594/PANGAEA.820655
  16. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core SO213/2_64-2. https://doi.org/10.1594/PANGAEA.820666
  17. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core SO213/2_68-1. https://doi.org/10.1594/PANGAEA.820656
  18. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides wuellerstorfi of sediment core SO213/2_68-1. https://doi.org/10.1594/PANGAEA.820645
  19. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core SO213/2_78-1. https://doi.org/10.1594/PANGAEA.820667
  20. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core SO213/2_79-1. https://doi.org/10.1594/PANGAEA.820657
  21. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core SO213/2_79-1. https://doi.org/10.1594/PANGAEA.820668
  22. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core SO213/2_81-1. https://doi.org/10.1594/PANGAEA.820658
  23. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides mundulus of sediment core SO213/2_81-1. https://doi.org/10.1594/PANGAEA.820669
  24. Kersten, F; Tiedemann, R; Fietzke, J et al. (2013): The inorganic carbon system measured and calculated on Cibicidoides cf. wuellerstorfi of sediment core SO213/2_84-2. https://doi.org/10.1594/PANGAEA.820659