Glaciologist Jemma Wadham in the process of taking a sample of meltwater from the Salajekna Glacier in Northern Norway. With the sample, she is trying to determine if glacial retreat is leading to an increased release of heavy metals. Photo: T. Bruckner This summer an...
One of the ice cores taken as part of a Norwegian-US expedition in East Antarctica and analyzed for various toxic and non-toxic heavy metals. Lead contamination in the ice dates back to the 13th century. Image: Stein Tronstadt, Norwegian Polar Institute (courtesy of...
The Greenland ice sheet has not been included in Arctic mercury budgets despite increasing annual meltwater discharge to the ocean and high mercury levels in Arctic organisms. The results of the current study are likely to change that. Photo: Dr. Michael Wenger...
The data on heavy metals in the permafrost soils of Alaska is as holey as the karst soil in the tundra. This is the conclusion of a recent study. Picture: Steve Jurvetson Flicker.com, CC BY 2.0 Heavy metals are no longer uncommon in the Arctic. The sometimes massively...
