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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 14, issue 15
Biogeosciences, 14, 3633–3648, 2017
https://doi.org/10.5194/bg-14-3633-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: Progress in quantifying ocean biogeochemistry – in honour...

Biogeosciences, 14, 3633–3648, 2017
https://doi.org/10.5194/bg-14-3633-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 04 Aug 2017

Research article | 04 Aug 2017

Amplification of global warming through pH dependence of DMS production simulated with a fully coupled Earth system model

Jörg Schwinger et al.
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Transient global warming under the high emission scenario RCP8.5 is amplified by up to 6 % if a pH dependency of marine DMS production is assumed. Importantly, this additional warming is not spatially homogeneous but shows a pronounced north–south gradient. Over the Antarctic continent, the additional warming is almost twice the global average. In the Southern Ocean we find a small DMS–climate feedback that counteracts the original reduction of DMS production due to ocean acidification.
Transient global warming under the high emission scenario RCP8.5 is amplified by up to 6 % if a...
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