A study by the Alfred Wegener Institute and MARUM reveals that most ancient carbon released from thawing Arctic permafrost is buried in seafloor sediments rather than converted into greenhouse gases, as microorganisms preferentially consume fresher marine organic matter.
Russia's Vostokgosplan has created a comprehensive plan to adapt Arctic Zone infrastructure to permafrost degradation. The plan includes 20 measures, a monitoring system, and pilot projects, aiming to ensure infrastructure stability and resident comfort.
Mongolia's permafrost is rapidly thawing due to climate change, impacting local ecosystems, herder livelihoods, and releasing greenhouse gases. This transformation offers crucial insights into global permafrost dynamics and future Arctic conditions.
Une équipe canadienne a réussi à extraire de l'ADN mitochondrial ancien de crottes d'écureuil datant de 700 000 ans, trouvées dans le permafrost du Yukon. Ces découvertes, initialement jugées improbables, ouvrent de nouvelles perspectives en paléogénétique.
Alaska's rivers are turning rust-orange as thawing permafrost releases iron and sulfuric acid. A study links this to climate warming, which exposes pyrite-rich rocks and alters wetland chemistry, impacting fish habitats and food webs.
