Exploring glacial–interglacial variations of the marine carbon isotope record with RECOM-ciso


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Martin.Butzin [ at ] awi.de

Abstract

We explore the impact of glacial–interglacial climate variations on the marine carbon-isotope record by means of the sophisticated marine biogeochemistry model RECOM. Different to most other marine carbon cycle models, RECOM does not rely on fixed Redfield ratios for organic soft tissue. Instead, the ratios of C:N and C:Chl in phytoplankton are calculated as a response to light, temperature and nutrient supply, which allows for assessing potential shifts in marine autotroph stochiometry. Our sensitivity studies feature a recently developed model version equipped with carbon isotopes (RECOM-ciso) forced with model output from fully coupled climate simulations.



Item Type
Conference (Poster)
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Not peer-reviewed
Publication Status
Published
Event Details
10th International Carbon Dioxide Conference, 21 Aug 2017 - 25 Aug 2017, Interlaken.
Eprint ID
47228
Cite as
Butzin, M. , Köhler, P. , Völker, C. and Zhang, X. (2017): Exploring glacial–interglacial variations of the marine carbon isotope record with RECOM-ciso , 10th International Carbon Dioxide Conference, Interlaken, 21 August 2017 - 25 August 2017 .


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