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The Multi-Compartment Hg Modeling and Analysis Project (MCHgMAP)

Mercury is a global problem that requires global solutions. MCHgMAP is an international multi-model research initiative intended to simulate and analyze the geospatial distributions and temporal trends of environmental mercury to support international environmental policy.

Forskningsområden: Miljöanalys och -forskning

Forskningsämnen: Föroreningar

Project overview

Project period: 2025 - 2027

Participating departments from the museum: Department of Environmental Monitoring and Research

Project description

Mechanistic models provide an effective framework for integrating and analyzing information across a scientific system and exploring uncertainties. In addition to evaluating trends in observations, models can therefore be an important contribution to effectiveness evaluations of international convention.

This project covers model development and analysis of Hg concentrations in the atmosphere, land and ocean and the interaction between these compartments. I am leading the ocean modelling sub-group within the project, which include two global ocean mercury models.

The main focus of the project is to inform two multilateral environmental agreements: the Minamata Convention on Mercury and the Convention on Long-Range Transboundary Air Pollution.

Specifically, the project supports the Effectiveness Evaluation of the Minamata Convention. Information on the Effectiveness Evaluation can be found on the Minamata Convention webpage External link. as well as the draft scientific report External link. including results from MCHgMAP.

The project leader at the museeum, Anne Sørensen, is lead on ocean modelling sub-group.

Funding

  • No external financing for the project.

Selected publications

  • Dastoor, A….L. Soerensen et al. (2025), The Multi-Compartment Hg Modeling and Analysis Project (MCHgMAP): Mercury modeling to support international environmental policy, Geoscientific Model Development 18 (9), 2747-2860,

Project members

External participants

This project is carried out in collaboration with numerous colleagues across the globe, especially Environment Canada, University Grenoble Alpes, Helmholtz-Zentrum Hereon, CSIC, MIT and Jozef Stefan Institute and Tulane University.

Project leader

Anne Sørensen

Curator

Environmental Monitoring and Research

Epost-ikon anne.soerensen@nrm.se

Resarch Areas: Environmental Monitoring and Research

Research Subjects: Pollution

Page manager: Katarina Loso