Presentation

Aims and rationale
Origin of SONEL
Scientific & technical partners

Observations

Tide gauges
GNSS
Stability of the datums
Doris
Absolute gravimetry
Station management

Products (demonstrative)

Sea level trends
Vertical land movements
Horizontal land movements
Waves

Web Services

Programmes (GLOSS)

Global Sea Level Observing System (GLOSS)
PSMSL
TIGA

Applications
Publications
Statistics

Documentation

Partners & Contacts

GNSS Data Providers
SONEL contacts

Station manager only

or ULR authentication

alti

Home Products (demonstrative) Vertical land movements Analyses of Sea Level Differences (Satellite altimetry minus tide gauge data)

Mentions légales | Data policy | SONEL contacts