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
Fifty years ago, a meeting took place in Williamstown, USA, where the possibilities for observing the Earth (solid and...Aug. 2019: Fifty years ago...
Ocean indicator : Global Mean Sea Level rise