Welcome to AVISO +

The reference portal in altimetry merging the historical AVISO website from Cnes and the CTOH website. Here, you will find data, articles, news and tools to help you discover or improve your skills in the altimetry domain through four key themes: ocean, coast, hydrology and ice. 

Products guide
Image of the Month
SWOT will provide brand new capabilities for hydrological measurements and studies. Preparation are ongoing, especially...June 2019 : Modelling the flow
Ocean indicator : Global Mean Sea Level rise