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Atmospheric mercury concentrations observed at ground-based monitoring sites globally distributed in the framework of the GMOS network ArchiMer
Sprovieri, Francesca; Pirrone, Nicola; Bencardino, Mariantonia; D'Amore, Francesco; Carbone, Francesco; Cinnirella, Sergio; Mannarino, Valentino; Landis, Matthew; Ebinghaus, Ralf; Weigelt, Andreas; Brunke, Ernst-gunther; Labuschagne, Casper; Martin, Lynwill; Munthe, John; Wangberg, Ingvar; Artaxo, Paulo; Morais, Fernando; Jorge Barbosa, Henrique De Melo; Brito, Joel; Cairns, Warren; Barbante, Carlo; Del Carmen Dieguez, Maria; Elizabeth Garcia, Patricia; Dommergue, Aurelien; Angot, Helene; Magand, Olivier; Skov, Henrik; Horvat, Milena; Kotnik, Joze; Read, Katie Alana; Neves, Luis Mendes; Gawlik, Bernd Manfred; Sena, Fabrizio; Mashyanov, Nikolay; Obolkin, Vladimir; Wip, Dennis; Bin Feng, Xin; Zhang, Hui; Fu, Xuewu; Ramachandran, Ramesh; Cossa, Daniel; Knoery, Joel; Marusczak, Nicolas; Nerentorp, Michelle; Norstrom, Claus.
Long-term monitoring of data of ambient mercury (Hg) on a global scale to assess its emission, transport, atmospheric chemistry, and deposition processes is vital to understanding the impact of Hg pollution on the environment. The Global Mercury Observation System (GMOS) project was funded by the European Commission (http://www.gmos.eu) and started in November 2010 with the overall goal to develop a coordinated global observing system to monitor Hg on a global scale, including a large network of ground-based monitoring stations, ad hoc periodic oceanographic cruises and measurement flights in the lower and upper troposphere as well as in the lower stratosphere. To date, more than 40 ground-based monitoring sites constitute the global network covering many...
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Ano: 2016 URL: https://archimer.ifremer.fr/doc/00353/46439/46183.pdf
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Springtime changes in snow chemistry lead to new insights into mercury methylation in the Arctic ArchiMer
Larose, Catheririe; Dommergue, Aurelien; De Angelis, Martine; Cossa, Daniel; Averty, Bernard; Marusczak, Nicolas; Soumis, Nicolas; Schneider, Dominique; Ferrari, Christophe.
Seasonal snow is an active media and an important climate factor that governs nutrient transfer in Arctic ecosystems. Since the snow stores and transforms nutrients and contaminants, it is of crucial importance to gain a better understanding of the dynamics of contaminant cycling within the snowpack and its subsequent release to catchments via meltwater. Over the course of a two-month field study in the spring of 2008, we collected snow and meltwater samples from a seasonal snowpack in Ny-Alesund, Norway (78 degrees 56'N, 11 degrees 52'E), which were analyzed for major inorganic ions and some organic acids, as well as total, dissolved, bioavailable mercury (THg, DHg, BioHg, respectively) and monomethylmercury (MMHg) species. We observe a seasonal gradient...
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Ano: 2010 URL: http://archimer.ifremer.fr/doc/00018/12904/9880.pdf
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