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: Hawkesbury Floods (Eastern NSW, Australia) of Past 222 Years Show a Strong Gleissberg Cycle Plus a Falsifiable Hypothesis Predicting Flood-Prone 2030s, and Supporting a Space Weather Link with the 22yr Hale Cycle and with Holocene Millennial Cycles (AGU25)

Hawkesbury Floods (Eastern NSW, Australia) of Past 222 Years Show a Strong Gleissberg Cycle Plus a Falsifiable Hypothesis Predicting Flood-Prone 2030s, and Supporting a Space Weather Link with the 22yr Hale Cycle and with Holocene Millennial Cycles

Michael W Asten, Earth Insight, Hawthorn, VIC, Australia and Ken McCracken, Retired, Burradoo, Australia