A multi-resolution ocean simulation of the anthropogenic radiocarbon transient


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martin.butzin [ at ] awi.de

Abstract

<jats:p>&amp;lt;p&amp;gt;We have implemented &amp;lt;sup&amp;gt;14&amp;lt;/sup&amp;gt;C and further abiotic tracers (&amp;lt;sup&amp;gt;39&amp;lt;/sup&amp;gt;Ar, CFC-12, and SF&amp;lt;sub&amp;gt;6&amp;lt;/sub&amp;gt;) into the state-of-the-art ocean circulation model FESOM2. Different to other global ocean circulation models, FESOM2 employs unstructured meshes with variable horizontal resolution. This approach allows for improvements in areas which are commonly poorly resolved in global ocean modelling studies such as upwelling regions, while keeping the overall computational costs still sufficiently moderate. Here, we present results of a transient simulation running from 1850-2015 CE tracing the evolution of the bomb radiocarbon pulse with a focus on the evolution of marine radiocarbon ages. In addition we explore the potential of &amp;lt;sup&amp;gt;39&amp;lt;/sup&amp;gt;Argon to complement &amp;lt;sup&amp;gt;14&amp;lt;/sup&amp;gt;C dating of marine waters.&amp;lt;/p&amp;gt;</jats:p>



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Conference (Lecture)
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Published
Eprint ID
60136
DOI 10.5194/egusphere-egu21-3118

Cite as
Butzin, M. , Sidorenko, D. and Köhler, P. (2021): A multi-resolution ocean simulation of the anthropogenic radiocarbon transient doi: 10.5194/egusphere-egu21-3118


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