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
A better knowledge of internal tides, both coherent and incoherent, is primordial for SWOT altimetry mission. A study in...Sep. 2019: Internal tides in the Solomon Sea change with ENSO phases
Ocean indicator : Global Mean Sea Level rise