Over a decade of atmospheric mercury monitoring at Amsterdam Island in the French Southern and Antarctic Lands

International audience The Minamata Convention, a global and legally binding treaty that entered into force in 2017, aims to protect human health and the environment from harmful mercury (Hg) effects by reducing anthropogenic Hg emissions and environmental levels. The Conference of the Parties is to...

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Bibliographic Details
Published in:Scientific Data
Main Authors: Magand, Olivier, Angot, Hélène, Bertrand, Yann, Sonke, Jeroen, E, Laffont, Laure, Duperray, Solène, Collignon, Léa, Boulanger, Damien, Dommergue, Aurélien
Other Authors: Géosciences Environnement Toulouse (GET), Institut de Recherche pour le Développement (IRD)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire Midi-Pyrénées (OMP), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National d'Études Spatiales Toulouse (CNES)-Centre National de la Recherche Scientifique (CNRS)-Météo-France-Centre National de la Recherche Scientifique (CNRS), Institut des Géosciences de l’Environnement (IGE), Institut de Recherche pour le Développement (IRD)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes (UGA)-Institut polytechnique de Grenoble - Grenoble Institute of Technology (Grenoble INP ), Université Grenoble Alpes (UGA), IPEV GMOSTRAL, European Project: 265113,EC:FP7:ENV,FP7-ENV-2010,GMOS(2010), European Project: 689443,H2020,H2020-SC5-2015-one-stage,ERA-PLANET(2016)
Format: Article in Journal/Newspaper
Language:English
Published: HAL CCSD 2023
Subjects:
Atmospheric chemistry
Environmental monitoring
[SDE]Environmental Sciences
Amsterdam Island
Antarc*
Antarctic
Online Access:https://hal.science/hal-04349870
https://hal.science/hal-04349870/document
https://hal.science/hal-04349870/file/s41597-023-02740-9.pdf
https://doi.org/10.1038/s41597-023-02740-9
Description
Summary:International audience The Minamata Convention, a global and legally binding treaty that entered into force in 2017, aims to protect human health and the environment from harmful mercury (Hg) effects by reducing anthropogenic Hg emissions and environmental levels. The Conference of the Parties is to periodically evaluate the Convention's effectiveness, starting in 2023, using existing monitoring data and observed trends. Monitoring atmospheric Hg levels has been proposed as a key indicator. However, data gaps exist, especially in the Southern Hemisphere. Here, we present over a decade of atmospheric Hg monitoring data at Amsterdam Island (37.80°S, 77.55°E), in the remote southern Indian Ocean. Datasets include gaseous elemental and oxidised Hg species ambient air concentrations from either active/continuous or passive/discrete acquisition methods, and annual total Hg wet deposition fluxes. These datasets are made available to the community to support policy-making and further scientific advancements.

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