OSTST

The 2025 Ocean Surface Topography Meeting will occur 15-16 November 2025 in conjonction with the Sentinel-6B launch. It will include, as usual, a variety of science and technical splinters but only online. However, dedicated in person splinters (Cal/Val, Instrument Processing andAppications) will held to summarize the recent findings. Sentinel-6A Michael Freilich being now the reference mission since April 2022, contributions that support Sentinel-6A Michael Freilich mission are highly encouraged, with focus on the second tandem with Jason-3.

The submission process will open from Monday 14, July 2025 until  Sunday 28, September 2025.

IMPORTANT INFORMATION: If you are not planning to attend the OSTST meeting in person, we recall that you should have chosen "Forum only" for the Type Requested. If you made a mistake, please contact us as soon as possible. Concerning the format of your "Forum only" presentation, please read the information below in the "FORUMS" section (notably the FAQ)

The list and descriptions of the splinters is available here

FORUMS

The access to the forums is free of charge, you only have to create an account here (or use the one for abstract submission).

All the presentations will be available through a forum on https://ostst.aviso.altimetry.fr during the full week and until the next OSTST in 2026. This forum will allow people to chat with authors in delayed time. Please note that for people not planning to attend the meeting in person, their presentations will be available also through the same forum (see list of “forum only” contributions).

The forums' menu will appear after login. Please read the FAQ, a user handbook is also available.