Oxygen and carbon isotope composition of modern planktic foraminifera and near-surface waters in the Fram Strait (Arctic Ocean) &ndash; a case study

Pados, T.; Spielhagen, R. F.; Bauch, D.; Meyer, H.; Segl, M.

doi:10.5194/bg-12-1733-2015

Articles | Volume 12, issue 6

https://doi.org/10.5194/bg-12-1733-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-1733-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 6

Research article

|

17 Mar 2015

Research article |

| 17 Mar 2015

Oxygen and carbon isotope composition of modern planktic foraminifera and near-surface waters in the Fram Strait (Arctic Ocean) – a case study

T. Pados, R. F. Spielhagen, D. Bauch, H. Meyer, and M. Segl

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Cumulative views and downloads (calculated since 11 Jun 2014)

Month	HTML	PDF	XML	Total
Jun 2014	62	38	7	107
Jul 2014	35	13	2	50
Aug 2014	13	15	1	29
Sep 2014	16	15	1	32
Oct 2014	11	15	0	26
Nov 2014	6	21	4	31
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Feb 2015	15	5	0	20
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Latest update: 19 Nov 2025

Short summary

Fossil planktic foraminifera and their geochemical composition are commonly used proxies in palaeoceanography. Our study with living specimens revealed that in the Fram Strait both Neogloboquadrina pachyderma and Turborotalita quinqueloba from the water column have lower δ18O and δ13C values than inorganically precipitated calcite/fossil tests from the sediment surface. These offsets indicate biological influence during calcification and a change of water column properties in the recent past.