Articles | Volume 14, issue 2
https://doi.org/10.5194/esd-14-399-2023
https://doi.org/10.5194/esd-14-399-2023
Research article
 | 
12 Apr 2023
Research article |  | 12 Apr 2023

How does the phytoplankton–light feedback affect the marine N2O inventory?

Sarah Berthet, Julien Jouanno, Roland Séférian, Marion Gehlen, and William Llovel

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Cited articles

Anderson, W. G., Gnanadesikan, A., Hallberg, R., Dunne, J., and Samuels, B. L.: Impact of ocean color on the maintenance of the Pacific Cold Tongue, Geophys. Res. Lett., 34, L11609, https://doi.org/10.1029/2007GL030100, 2007. 
Arévalo-Martínez, D. L., Kock, A., Steinhoff, T., Brandt, P., Dengler, M., Fischer, T., Körtzinger, A., and Bange, H. W.: Nitrous oxide during the onset of the Atlantic cold tongue, J. Geophys. Res.-Oceans, 122, 171–184, https://doi.org/10.1002/2016JC012238, 2017. 
Arévalo-Martínez, D. L., Steinhoff, T., Brandt, P., Körtzinger, A., Lamont, T., Rehder, G., and Bange, H. W.: N2O emissions from the northern Benguela upwelling system, Geophys. Res. Lett., 46, 3317–3326, https://doi.org/10.1029/2018GL081648, 2019. 
Asselot, R., Lunkeit, F., Holden, P. B., and Hense, I.: Climate pathways behind phytoplankton-induced atmospheric warming, Biogeosciences, 19, 223–239, https://doi.org/10.5194/bg-19-223-2022, 2022. 
Aumont, O., Ethé, C., Tagliabue, A., Bopp, L., and Gehlen, M.: PISCES-v2: an ocean biogeochemical model for carbon and ecosystem studies, Geosci. Model Dev., 8, 2465–2513, https://doi.org/10.5194/gmd-8-2465-2015, 2015. 
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Short summary
Phytoplankton absorbs the solar radiation entering the ocean surface and contributes to keeping the associated energy in surface waters. This natural effect is either not represented in the ocean component of climate models or its representation is simplified. An incomplete representation of this biophysical interaction affects the way climate models simulate ocean warming, which leads to uncertainties in projections of oceanic emissions of an important greenhouse gas (nitrous oxide).
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