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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 11, issue 4
Clim. Past, 11, 669–685, 2015
https://doi.org/10.5194/cp-11-669-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Clim. Past, 11, 669–685, 2015
https://doi.org/10.5194/cp-11-669-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 17 Apr 2015

Research article | 17 Apr 2015

Carbon isotope (δ13C) excursions suggest times of major methane release during the last 14 kyr in Fram Strait, the deep-water gateway to the Arctic

C. Consolaro et al.

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Cited articles

Aagaard, K., Swift, J. H., and Carmack, E. C.: Thermohaline circulation in the Arctic Mediterranean Seas, J. Geophys. Res., 90, 4833–4846, 1985.
Aagaard, K., Foldvik, A., and Hillman, S. R.: The West Spitsbergen Current: disposition and water mass transformation, J. Geophys. Res., 92, 3778–3784, 1987.
Aagaard-Sørensen, S., Husum, K., Hald, M., and Knies, J.: Paleoceanographic development in the SW Barents Sea during the Late Weichselian-Early Holocene transition, Quaternary Sci. Rev., 29, 3442–3456, 2010.
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A sediment core collected from a pockmark field on the Vestnesa Ridge (~80N) in the Fram Strait is presented. Our results show an undisturbed sedimentary record for the last 14 ka BP and negative carbon isotope excursions (CIEs) during the Bølling-Allerød interstadials and during the early Holocene. Both CIEs relate to periods of ocean warming, sea-level rise and increased concentrations of methane (CH4) in the atmosphere, suggesting an apparent correlation with warm climatic events.
A sediment core collected from a pockmark field on the Vestnesa Ridge (~80N) in the Fram Strait...
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