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: Short-Record Tritium and Radiosulfur Constrain Dynamic Groundwater Transit Times of Cold Springs in California’s Cascades (AGU25)

Short-Record Tritium and Radiosulfur Constrain Dynamic Groundwater Transit Times of Cold Springs in California’s Cascades

Jory Chapin Lerback1, Emilio Grande2, Jean E Moran3, Jake Harm4, Loren Tolley-Mann5, Damon Goodman6, Tyanna Blaschak6 and Ate Visser7, (1)Lawrence Livermore National Laboratory, Livermore, CA, United States, (2)California State University East Bay, Hayward, CA, United States, (3)California State University, Hayward, CA, United States, (4)Lawrence Livermore National Laboratory, Livermore, United States, (5)California State University East Bay, Department of Earth and Environmental Sciences, Hayward, United States, (6)California Trout, San Francisco, United States, (7)Lawrence Livermore National Laboratory, Nuclear and Chemical Sciences Division, Livermore, CA, United States