Atmospheric distribution, source apportionment, and sea-air fluxes of gaseous elemental mercury over the Barents, Kara, Laptev and East Siberian Seas.
Mercury is a persistent global pollutant, and the Arctic remains a region of special concern due to rapid warming and complex mercury cycling. This study presents continuous measurements of atmospheric gaseous elemental mercury (GEM) during a cruise from the Kara Sea to the East Siberian Sea (September-October 2024). G...