Biogeosciences
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Articles | Volume 15, issue 11
Articles | Volume 15, issue 11
https://doi.org/10.5194/bg-15-3521-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-15-3521-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 11
Research article
 | 
14 Jun 2018
Research article |  | 14 Jun 2018

The potential of 230Th for detection of ocean acidification impacts on pelagic carbonate production

Christoph Heinze, Tatiana Ilyina, and Marion Gehlen

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Short summary
The ocean becomes increasingly acidified through uptake of additional man-made CO2 from the atmosphere. This is impacting ecosystems. In order to find out whether reduced biological production of calcium carbonate shell material of biota is occurring at a large scale, we carried out a model study simulating the changes in oceanic 230Th concentrations with reduced availability of calcium carbonate particles in the water. 230Th can serve as a useful magnifying glass for acidification impacts.
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