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

Type Article
Date 2023-11
Language English
Author(s) Magand Olivier1, 2, Angot HélèneORCID2, Bertrand Yann2, Sonke Jeroen E.ORCID3, Laffont Laure3, Duperray Solène2, Collignon Léa2, Boulanger Damien4, Dommergue Aurélien2
Affiliation(s) 1 : Observatoire des Sciences de l’Univers à La Réunion (OSU-R), UAR 3365, CNRS, Université de La Réunion, Météo France, 97744, Saint-Denis, La Réunion, France
2 : Univ. Grenoble Alpes, CNRS, INRAE, IRD, Grenoble INP, IGE, Grenoble, France
3 : Géosciences Environnement Toulouse, CNRS/IRD, Université Paul Sabatier Toulouse 3, Toulouse, France
4 : CNRS, Observatoire Midi-Pyrénées, SEDOO, Toulouse, France
Source Scientific Data (2052-4463) (Springer Science and Business Media LLC), 2023-11 , Vol. 10 , N. 1 , P. 836 (13p.)
DOI 10.1038/s41597-023-02740-9

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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Magand Olivier, Angot Hélène, Bertrand Yann, Sonke Jeroen E., Laffont Laure, Duperray Solène, Collignon Léa, Boulanger Damien, Dommergue Aurélien (2023). Over a decade of atmospheric mercury monitoring at Amsterdam Island in the French Southern and Antarctic Lands. Scientific Data, 10(1), 836 (13p.). Publisher's official version : https://doi.org/10.1038/s41597-023-02740-9 , Open Access version : https://archimer.ifremer.fr/doc/00864/97603/