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 with high resolution coastal and inland measurements over rivers. They will help in modelling dramatic...Mar. 2018: Flash flood at the river Têt mouth
Ocean indicator : Global Mean Sea Level rise