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. 

  • Temporal/geographical/parameters extractions, up to date corrections, operational and demonstration products available.
    • 15-22 March 2015 week

      2015-03-26

      Une entreprise française surveille les icebergs (Vovooceanrace, 2015/03/25)Océan arctique: plus faible étendue des glaces jamais mesurée (Goodplanet.info, 2015/03/21)Réchauffement climatique : les premières îles du Pacifique submergées (le journal International, 2015/03/21)Il va de plus en plus falloir tenir compte de la hausse du niveau des océans (Le Figaro, 2015/03/18)Que fait cette baleine grise du Pacifique dans l'océan Atlantique? (Sciences et Avenir, 2015/03/18)La fonte massive ...

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      High tides at Mont Saint-Michel

      2015-03-20

      An exceptionally high spring tide with high tidal coefficients of 118 and 119 hit Mont Saint-Michel off France’s Normandy coast.

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      9-15 March 2015 week

      2015-03-19

      La fonte du permafrost, une bombe climatique (Le Figaro, 2015/03/13)On the Edge of Ice in the Amundsen Gulf (Earth Observatory, 2015/03/11) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.

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      1-8 March 2015 week

      2015-03-12

      Quand un océan recouvrait l'hémisphère nord de Mars (Le Monde , 2015/03/06)Réchauffement climatique : la bataille de l’Antarctique (Euronews, 2015/03/04)Nouvelle compréhension de la dynamique océanique de petite et moyenne échelles (INSU, 2015/03/04)Le jet-stream polaire se dérègle-t-il ? (Pour la Science, 2015/03)L’humanité sature les mers de plastique (Pour la Science, 2015/02/26) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that abov...

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      Call for Abstracts for “Water resources Assessment and long-range prediction"

      2015-03-09

      in Koblenz, Germany, from 13 to 16 October 2015

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      22-28 February 2015 week

      2015-03-03

      L’océan Atlantique monte de 12,8 cm au nord de New York en 2 ans : ce que cette hausse sans précédent préfigure sur les côtes françaises (Atlantico, 2015/02/27)En Nouvelle-Calédonie, la bonne santé des récifs coralliens (Presse Océan, 2015/02/25)500.000 km3 d’eau douce sous l’océan (L’AGEFI, 2012/02/24)Les lacs du Groenland garderaient la mémoire du futur de ses glaces (Futura Sciences, 2015/02/23)On line availability of articles depends on the Newspaper/magazine. We can't th...

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      SWOT : TOSCA/ROSES Calls for scientific proposals

      2015-02-27

      In the frame of the SWOT mission, in collaboration with NASA, CNES calls for scientific proposals from laboratories. The French and American submission websites are now open.

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      Saral: two years in orbit !

      2015-02-25

      The SARAL/AltiKa satellite mission, an India-France ISRO-CNES joint project, celebrates its second birthday. We wish him a long life with ever more valuable data for ocean, inland and ice sheets studies...

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      8-22 February 2015 weeks

      2015-02-25

      Le changement climatique ne sera pas sans conséquences sur nos chaînes montagneuses (Libération, 2015/02/20)Une vaste étendue de "billes" de métal découverte dans l'océan (journal de la science, 2015/02/19)l'Océan: un milieu turbulent à toutes les échelles (Techno-Science, 2015/02/10)Le jet-stream, dernière victime du réchauffement climatique ? (Sciences et avenir, 2015/02/10) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that ab...

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      26 January - 8 February 2015 weeks

      2015-02-16

      Argo day on Barcelona World Race (Coriolis, 2015/02/06)Soclim : mieux comprendre l'impact de l'océan Austral sur le climat et vice versa (Actu Environnement, 2015/02/04)Voyez fondre le pergélisol, cette bombe climatique (Terra Eco, 2015/01/30)El Niño, le phénomène climatique qui bouleverse la planète (Geo, 2015/01/29)Fonte inquiétante d'un glacier géant en Antarctique (Tribune de Genève, 2015/01/26)Le réchauffement climatique va entraîner plus d'épisodes La Niña (Sciences et Avenir,...

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      In-situ calibration : new map for tide gauges network

      2015-02-13

      New interactive map with quality indicators of tide gauges network when comparing in-situ measurements to altimetry time series.

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      12-25 January 2015 week

      2015-01-28

      Coraux du Pacifique décimés par le réchauffement climatique : un drame pour le futur (l’Obs, 2015/01/22)Réchauffement climatique: 30 ans de fonte des glaces de l'Océan Arctique en 1 minute (Le Nouvelliste, 2015/01/21)Two lakes beneath the ice in Greenland, gone within weeks melts (Science Daily, 2015/01/21)Greenland Ice: The warmer it gets the faster it melts (Science Daily, 2015/01/20)Fonte des glaces de l’Arctique : la surprenante adaptation du mergule nain (CNRS, 2015/01/19)La monté...

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      4-11 January 2015 week

      2015-01-15

      "Le réchauffement climatique est une réalité à La Réunion" (Imzaz Press Réunion, 2015/01/05)Les fonds marins, un Eldorado moins connu que la lune (Pour la Science, Janvier 2015) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.

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      December 25, 2014 - January 4, 2015 week

      2015-01-08

      Environnement : un océan de plastique ! (Valeurs actuelles, 2015/01/02)La couche de glace s’étend sur la planète (Science et santé, 2015/01/01)La couche d’ozone en bonne voie de rétablissement  (News Environment, 2014/12/27)Le corail du Pacifique en danger de mort (linfo.re, 2014/12/25) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.

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      SWOT programme: CNES and Thales Alenia Space sign contract

      2015-01-07

      CNES and Thales Alenia Space (TAS) signed a contract to develop the spacecraft bus for the French-U.S. SWOT satellite.

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      Online Data extraction service tutorial: how to use the tool for coastal studies

      2014-12-18

      The new Online Data Extraction service (http://odes.altimetry.cnes.fr) rovides with X-Track coastal SLA data made by CTOH, with specific processing and corrections applied. This is THE tool to go and select only the parameters you're interested in, where you wish to look at them.

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      15-22 March 2015 week

      Une entreprise française surveille les icebergs (Vovooceanrace, 2015/03/25)Océan arctique: plus faible étendue des glaces jamais mesurée (Goodplanet.info, 201...

      High tides at Mont Saint-Michel

      An exceptionally high spring tide with high tidal coefficients of 118 and 119 hit Mont Saint-Michel off France’s Normandy coast.

      9-15 March 2015 week

      La fonte du permafrost, une bombe climatique (Le Figaro, 2015/03/13)On the Edge of Ice in the Amundsen Gulf (Earth Observatory, 2015/03/11) On line availability of artic...

      1-8 March 2015 week

      Quand un océan recouvrait l'hémisphère nord de Mars (Le Monde , 2015/03/06)Réchauffement climatique : la bataille de l’Antarctique (Euronews, 2015/03/04)...

      Call for Abstracts for “Water resources Assessment and long-range prediction"

      in Koblenz, Germany, from 13 to 16 October 2015

      22-28 February 2015 week

      L’océan Atlantique monte de 12,8 cm au nord de New York en 2 ans : ce que cette hausse sans précédent préfigure sur les côtes françaises (Atlantico...

      SWOT : TOSCA/ROSES Calls for scientific proposals

      In the frame of the SWOT mission, in collaboration with NASA, CNES calls for scientific proposals from laboratories. The French and American submission websites are now o...

      Saral: two years in orbit !

      The SARAL/AltiKa satellite mission, an India-France ISRO-CNES joint project, celebrates its second birthday. We wish him a long life with ever more valuable data for ocea...

      8-22 February 2015 weeks

      Le changement climatique ne sera pas sans conséquences sur nos chaînes montagneuses (Libération, 2015/02/20)Une vaste étendue de "billes" de méta...

      26 January - 8 February 2015 weeks

      Argo day on Barcelona World Race (Coriolis, 2015/02/06)Soclim : mieux comprendre l'impact de l'océan Austral sur le climat et vice versa (Actu Environnement, 2015/02/0...

      In-situ calibration : new map for tide gauges network

      New interactive map with quality indicators of tide gauges network when comparing in-situ measurements to altimetry time series.

      12-25 January 2015 week

      Coraux du Pacifique décimés par le réchauffement climatique : un drame pour le futur (l’Obs, 2015/01/22)Réchauffement climatique: 30 ans de fonte des gla...

      4-11 January 2015 week

      "Le réchauffement climatique est une réalité à La Réunion" (Imzaz Press Réunion, 2015/01/05)Les fonds marins, un Eldorado moins connu que la l...

      December 25, 2014 - January 4, 2015 week

      Environnement : un océan de plastique ! (Valeurs actuelles, 2015/01/02)La couche de glace s’étend sur la planète (Science et santé, 2015/01/01)La couche ...

      SWOT programme: CNES and Thales Alenia Space sign contract

      CNES and Thales Alenia Space (TAS) signed a contract to develop the spacecraft bus for the French-U.S. SWOT satellite.

      Online Data extraction service tutorial: how to use the tool for coastal studies

      The new Online Data Extraction service (http://odes.altimetry.cnes.fr) rovides with X-Track coastal SLA data made by CTOH, with specific processing and corrections applie...

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    • Altimetry combined with others techniques enables to reconstruct the whole ocean in 3 dimensions.
      January 2015: El Niño played hide and seek in 2014
    • Information about AVISO+ products latency & quality, satellite status, DORIS beacons status, etc.
    • 02 Jun2015

      June 2015: Sentinel-3 for Science Workshop

      21 Jul2015

      Jason-3 launch

      01 Oct2015

      October 2015: Sentinel-3A launch

    • Teachers and students, follow ocean buoys and animal beacons in the ocean!
    • Download the new AVISOcean application (v2) to help you discover the oceans and altimetry. More than 700 users have already downloaded the app! Join them! Available on Android and Apple.
    • On December 9, 2007 a strong storm hit North-East Atlantic coasts, with wave heights over 14 m. Altimeters helped...
      Atlantic storm
    • Number and localization of AVISO+ visitors since Feb 11th, 2014. Yellow dots show recent visits.
    • Register to use AVISO+ products.

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