Topic IV - Critical zone and integrated approaches > IV-3-Paleolimnological Insights into Carbon Cycling in Lakes

Conveners

1. Carsten Meyer-Jacob (Université du Québec en Abitibi-Témiscamingue, Canada)
2. Simon Belle (Swedish University of Agricultural Sciences, Sweden)
3. Jean-Philippe Jenny (Université Savoie Mont Blanc, INRAE, CARRTEL, Thonon-les-Bains, France)
4. Mathieu Dellinger (Université Savoie Mont Blanc, CNRS, EDYTEM, Chambéry, France, France)

Lakes are key components of the global carbon cycle, receiving carbon (C) originally fixed by the terrestrial biosphere, which is subsequently buried in sediments or released back to the atmosphere as greenhouse gases. Changes in natural and anthropogenic forcings can impact the flux of terrestrial organic matter to lakes, modify aquatic carbon production, and alter in-lake carbon cycling. Lake sediment records offer a unique, long-term perspective on these processes. This session invites contributions that use lake sediments to explore historical changes in lake carbon cycling, identify the primary drivers behind these changes, and assess their impacts on aquatic ecosystem functioning. We aim to bring together researchers from diverse fields and methodologies, including biological, geochemical, molecular, isotope proxies, and modeling approaches, to provide a comprehensive understanding of past carbon dynamics in lakes.