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Welcome to the CTOH website, here you will find information about this team, its goals, its products, and the applications we work on.

2014 will be a major milestone with a new partnership between AVISO and CTOH; the major new feature will be its new website, AVISO+ which merges products from both data centers.   
All details about upcoming changes are available in this document

As part of this merger, the user database will be updated and every user will be required to validate his subscription to the new site. 

 

Monitoring lake and river levels - HYDROWEB
Coastal altimetry - X-TRACK
Polar Ice Cap topography
 Monitoring Parana River levels  Coastal altimetry   Antarctic topography

 

SubMesoscale Filaments
Global Surface Currents
FSLE east south america
Submesoscale filaments east of South America, for august 2006
CTOH surface currents in Western Pacific

The CTOH is a French Observation Service dedicated to satellite altimetry studies (Centre of Topography of the Oceans and the Hydrosphere) . The CTOH aims to help scientific users develop new altimetric products and applications.

Within this framework, the CTOH maintains homogeneous altimetric data bases for the long-term monitoring of sea level and ocean currents, lake and river levels, the cryosphère, and the planet's climate.

Scientific users can extract :

 

 

 

The CTOH works in close collaboration with scientific research groups at LEGOS to develop new altimetric products, for monitoring lake and river levels (HYDROWEB), and over the cryosphere (OSCAR).

 

Established in 1989, the CTOH is an INSU Observational Service, supported by the Centre National de la Recherche Scientifique (CNRS), Centre National d'Etudes Spatiales (CNES), Observatoire Midi-Pyrénées (OMP), Pôle Océan-Altimétrie-Climat (CPER).

 

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