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Biogeosciences An interactive open-access journal of the European Geosciences Union
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Volume 15, issue 11
Biogeosciences, 15, 3293–3309, 2018
https://doi.org/10.5194/bg-15-3293-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

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

Biogeosciences, 15, 3293–3309, 2018
https://doi.org/10.5194/bg-15-3293-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 04 Jun 2018

Research article | 04 Jun 2018

Interannual sedimentary effluxes of alkalinity in the southern North Sea: model results compared with summer observations

Johannes Pätsch et al.

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Short summary
Biogeochemical shelf sea modelling has a long tradition. Most models include early diagenesis sediment modules for remineralization of organic matter. The model presented here also simulates alkalinity, which is exported into the pelagic system. There the produced alkalinity joins in the carbonate system and is able to buffer invading atmospheric CO2. The input of nitrate via rivers stimulates alkalinity generation within the sediment, which in turn reduces the acidification of coastal areas.
Biogeochemical shelf sea modelling has a long tradition. Most models include early diagenesis...
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