Ella Walsh

Oct 9, 2024 | science.org | Deborah Carper |Hyun Lee |Nolan Tucker |Ella Walsh

AbstractOxidative weathering of sulfide minerals in sedimentary rocks releases carbon dioxide (CO2) into the atmosphere. In permafrost zones, this could be a positive feedback on climate change if it increases with warming, yet sulfide oxidation rates and their temperature response remain unknown over large spatial and temporal scales. We analyze a 60-year sulfate concentration dataset from catchments across the Mackenzie River Basin.