Articles | Volume 11, issue 4
https://doi.org/10.5194/cp-11-669-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-11-669-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
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
CORRESPONDING AUTHOR
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT the Arctic University of Norway, Dramsveien 201, 9037 Tromsø, Norway
School of Geography, Earth & Environmental Sciences, Plymouth University, Drake Circus, Plymouth PL4 8AA, UK
T. L. Rasmussen
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT the Arctic University of Norway, Dramsveien 201, 9037 Tromsø, Norway
G. Panieri
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT the Arctic University of Norway, Dramsveien 201, 9037 Tromsø, Norway
J. Mienert
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT the Arctic University of Norway, Dramsveien 201, 9037 Tromsø, Norway
S. Bünz
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT the Arctic University of Norway, Dramsveien 201, 9037 Tromsø, Norway
K. Sztybor
CAGE – Centre for Arctic Gas Hydrate, Environment and Climate, Department of Geology, UiT the Arctic University of Norway, Dramsveien 201, 9037 Tromsø, Norway
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43 citations as recorded by crossref.
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- Palaeoceanographic and environmental changes in the eastern Fram Strait during the last 14,000 years based on benthic and planktonic foraminifera C. Consolaro et al. 10.1016/j.marmicro.2017.11.001
- Deposit-feeding of Nonionellina labradorica (foraminifera) from an Arctic methane seep site and possible association with a methanotroph C. Schmidt et al. 10.5194/bg-19-3897-2022
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- Bottom‐simulating reflector dynamics at Arctic thermogenic gas provinces: An example from Vestnesa Ridge, offshore west Svalbard A. Plaza‐Faverola et al. 10.1002/2016JB013761
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- Diagenetic Mg-calcite overgrowths on foraminiferal tests in the vicinity of methane seeps G. Panieri et al. 10.1016/j.epsl.2016.10.024
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3 citations as recorded by crossref.
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- Role of tectonic stress in seepage evolution along the gas hydrate‐charged Vestnesa Ridge, Fram Strait A. Plaza‐Faverola et al. 10.1002/2014GL062474
- Removal of methane through hydrological, microbial, and geochemical processes in the shallow sediments of pockmarks along eastern Vestnesa Ridge (Svalbard) W. Hong et al. 10.1002/lno.10299
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Latest update: 13 Dec 2024
Short summary
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...