Temperature sensitivity of the mineral permafrost feedback at the continental scale

EV Walsh, RG Hilton, SE Tank, E Amos - Science Advances, 2024 - science.org
Oxidative 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 …

Validating the rhenium proxy for rock organic carbon oxidation using weathering profiles

KE Grant, M Dellinger, AJ Dickson, M Ogric, K Horan… - Chemical …, 2025 - Elsevier
Chemical weathering over geological timescales acts as a source or sink of atmospheric
carbon dioxide (CO 2), while influencing long-term redox cycling and atmospheric oxygen …