Articles | Volume 21, issue 1
https://doi.org/10.5194/bg-21-301-2024
https://doi.org/10.5194/bg-21-301-2024
Research article
 | 
17 Jan 2024
Research article |  | 17 Jan 2024

Uncertainty in the evolution of northwestern North Atlantic circulation leads to diverging biogeochemical projections

Krysten Rutherford, Katja Fennel, Lina Garcia Suarez, and Jasmin G. John

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Cited articles

Alexander, M. A., Shin, S. , Scott, J. D., Curchitser, E., and Stock, C.: The response of the northwest Atlantic ocean to climate change, J. Climate, 33, 405–428, https://doi.org/10.1175/JCLI-D-19-0117.1, 2020. 
Anav, A., Friedlingstein, P., Kidston, M., Bopp, L., Ciais, P., Cox, P., Jones, C., Jung, M., Myneni, R., and Zhu, Z.: Evaluating the land and ocean components of the global carbon cycle in the CMIP5 Earth System Models, J. Climate, 26, 6801–6841, https://doi.org/10.1175/JCLI-D-12-00417.1, 2013. 
Beardsley, R. C. and Boicourt, W. C.: On Estuarine and Continental-Shelf Circulation in the Middle Atlantic Bight, in: Evolution of Physical Oceanography, edited by: Warren, B. A. and Wunsch, C., MIT press, Cambridge, 198–233, ISBN 9780660291246, 1981. 
Bernier, R. Y., Jamieson, R. E., and Moore, A. M.: State of the Atlantic Ocean Synthesis Report, Can. Tech. Rep. Fish. Aquat. Sci., Fisheries and Oceans Canada, Moncton, MB, 3167m iii+149 pp., ISBN 9780660291246, 2018. 
Bonan, G. B. and Doney, S.: Climate, ecosystems, and planetary futures: The challenge to predict life in Earth system models, Science, 359, eaam8328, https://doi.org/10.1126/science.aam8328, 2018. 
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Short summary
We downscaled two mid-century (~2075) ocean model projections to a high-resolution regional ocean model of the northwest North Atlantic (NA) shelf. In one projection, the NA shelf break current practically disappears; in the other it remains almost unchanged. This leads to a wide range of possible future shelf properties. More accurate projections of coastal circulation features would narrow the range of possible outcomes of biogeochemical projections for shelf regions.
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