The deadline to submit a session, town hall, or pre-conference workshop proposal for AGU25 has passed. Please search for and review proposed sessions below. Please note this site is frozen as of 4/29/25 and will not reflect any changes to proposals made after this date.


Conveners will be contacted by the AGU25 Program Committee with any requests for mergers or edits to proposals. Conveners will be notified of the acceptance of their proposal in mid-June.


Abstract submissions will also open in mid-June and the deadline for abstract submissions is 30 July, 2025.


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Abstract: Spatiotemporal Variability of C₄ Grassland Expansion in the Central and South-Central Andes (AGU25)

Spatiotemporal Variability of C₄ Grassland Expansion in the Central and South-Central Andes

Iffat Azmi, North Carolina State University Raleigh, Department of Marine, Earth and Atmospheric Sciences, Raleigh, NC, United States, Ethan Hyland, North Carolina State University Raleigh, Department of Marine, Earth & Atmospheric Sciences, Raleigh, United States, Jennifer M Cotton, California State University, Northridge, Los Angeles, CA, United States, Scott Hauswirth, University of North Carolina at Chapel Hill, Chapel Hill, United States, Adit Ghosh, University of Southern California, Department of Earth Sciences, Los Angeles, United States, Shelby Littleton, California State University Northridge, Department of Geological Sciences, Northridge, United States, Ryan Kellis, California State University Northridge, Geological Sciences, Northridge, United States, Nadja Insel, Northeastern Illinois University, Earth Science, Chicago, IL, United States, Maria Sol Raigemborn, Universidad Nacional de La Plata, Centro de Investigaciones Geologicas, La Plata, Argentina and David Tineo, Universidad Nacional de La Plata, Argentina, Centro de Investigaciones Geologicas, La Plata, Argentina