Simulating marine neodymium isotope distributions using Nd v1.0 coupled to the ocean component of the FAMOUS–MOSES1 climate model: sensitivities to reversible scavenging efficiency and benthic source distributions

Robinson, Suzanne; Ivanovic, Ruza F.; Gregoire, Lauren J.; Tindall, Julia; van de Flierdt, Tina; Plancherel, Yves; Pöppelmeier, Frerk; Tachikawa, Kazuyo; Valdes, Paul J.

doi:https://doi.org/10.5194/gmd-16-1231-2023

Articles | Volume 16, issue 4

https://doi.org/10.5194/gmd-16-1231-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Special issue:

The FAMOUS climate model

https://doi.org/10.5194/gmd-16-1231-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 4

Model description paper

|

22 Feb 2023

Model description paper |

| 22 Feb 2023

Simulating marine neodymium isotope distributions using Nd v1.0 coupled to the ocean component of the FAMOUS–MOSES1 climate model: sensitivities to reversible scavenging efficiency and benthic source distributions

Suzanne Robinson, Ruza F. Ivanovic, Lauren J. Gregoire, Julia Tindall, Tina van de Flierdt, Yves Plancherel, Frerk Pöppelmeier, Kazuyo Tachikawa, and Paul J. Valdes

Supplement

https://doi.org/10.5194/gmd-16-1231-2023-supplement

Data sets

Supplementary: Simulating neodymium isotopes in the ocean component of the FAMOUS general circulation model (XPDAA): sensitivities to reversible scavenging efficiency and benthic source distributions Suzanne Robinson, Ruza Ivanovic, Lauren Gregoire, Julia Tindall, Tina van de Flierdt, Yves Plancherel, Frerk Pöppelmeier, Kazuyo Tachikawa, and Paul Valdes https://doi.org/10.5518/1136

Model code and software

Standalone UM system and FAMOUS National Centre for Atmospheric Science (NCAS) https://cms.ncas.ac.uk/miscellaneous/um-famous/

Short summary

We present the implementation of neodymium (Nd) isotopes into the ocean model of FAMOUS (Nd v1.0). Nd fluxes from seafloor sediment and incorporation of Nd onto sinking particles represent the major global sources and sinks, respectively. However, model–data mismatch in the North Pacific and northern North Atlantic suggest that certain reactive components of the sediment interact the most with seawater. Our results are important for interpreting Nd isotopes in terms of ocean circulation.