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.


Please visit the AGU25 website for more information or please contact AGU with any questions.

Abstract: Si Isotope Compositions in Porewaters Illustrate Reverse Weathering in the Gulf of Papua and Amazon-Guianas Deltaic Systems (AGU25)

Si Isotope Compositions in Porewaters Illustrate Reverse Weathering in the Gulf of Papua and Amazon-Guianas Deltaic Systems

Indigo Heine, University of Colorado Boulder, Boulder, United States, Yisheng Yin, Nanjing University, Nanjing, China, Xin-Yuan Zheng, University of Minnesota Twin Cities, Department of Earth and Environmental Sciences, Minneapolis, United States, Lizzy Trower, Stanford University, Stanford, United States, Robert C Aller, SUNY StonyBrook, Stony Brook, United States and Shaily Rahman, University of Colorado Boulder, Geological Sciences, Boulder, United States