Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 16, issue 9
Articles | Volume 16, issue 9
https://doi.org/10.5194/gmd-16-2649-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-16-2649-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 9
Model description paper
 | 
17 May 2023
Model description paper |  | 17 May 2023

The 3D biogeochemical marine mercury cycling model MERCY v2.0 – linking atmospheric Hg to methylmercury in fish

Johannes Bieser, David J. Amptmeijer, Ute Daewel, Joachim Kuss, Anne L. Soerensen, and Corinna Schrum

Data sets

The GEBCO_2022 Grid - a continuous terrain model of the global oceans and land GEBCO Bathymetric Compilation Group https://doi.org/10.5285/e0f0bb80-ab44-2739-e053-6c86abc0289c

Model code and software

MERCY v2.0 (2.0) Johannes Bieser https://doi.org/10.5281/zenodo.7101217

COSMO-CLM Starter Package (4.0) Burkhardt Rockel https://doi.org/10.5281/zenodo.5939757

CMAQv4.7.1 US EPA Office of Research and Development https://doi.org/10.5281/zenodo.1079879

hamsom_ecosmo_2e2 (v1.0) Ute Daewel https://doi.org/10.5281/zenodo.7587005

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Short summary
MERCY is a 3D model to study mercury (Hg) cycling in the ocean. Hg is a highly harmful pollutant regulated by the UN Minamata Convention on Mercury due to widespread human emissions. These emissions eventually reach the oceans, where Hg transforms into the even more toxic and bioaccumulative pollutant methylmercury. MERCY predicts the fate of Hg in the ocean and its buildup in the food chain. It is the first model to consider Hg accumulation in fish, a major source of Hg exposure for humans.
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