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.
    • 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...

      Read more

      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.

      Read more

      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.

      Read more

      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.

      Read more

      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.

      Read more

      Online Data extraction service tutorial: how to use the tool to extract experimental data for hydrology

      2014-12-04

      The new Online Data Extraction service (http://odes.altimetry.cnes.fr) can be used to extract only some fields within the hydrology experimental data over the Parana river for hydrology studies. See the screencast tutorial.

      Read more

      16-23 November 2014 week

      2014-12-01

      Le dernier siècle de l’ours polaire (Le Monde, 2014/11/26)Iceberg B31 Heads West (Earthobservatory, 2014/11/22)Explorer les fonds marins (France Inter, 2012/11/20)Changement climatique et populations de poissons en Méditerranée (météo France, 2012/11/04) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.

      Read more

      Online Data extraction service tutorial: how to use the tool to extract Saral experimental data for ice studies

      2014-11-20

      The new Online Data Extraction service (http://odes.altimetry.cnes.fr) can be used to extract only some fields within the Saral experimental data over the Kara and Barents sea for sea ice studies. See the screencast tutorial.

      Read more

      Announcement for CFOSAT open scientific Workshop

      2014-11-20

      This is the announcement for the CFOSAT open science meeting, which will take place in Guangzhou (China) on February 3rd to 5th 2015.

      Read more

      New Mean Dynamic Topography and change in data policy

      2014-10-29

      A new version of the Combined Mean Dynamic Topography is delivered to users. The access to this new MDT_CNES-CLS-13 is subject to a new data policy as stated in the new licence agreement.

      Read more

      13-20 october 2014 week

      2014-10-23

      Pérou : vers une meilleure prévision des ressources en poissons (IRD, 2014/10)El Niño Ups Flood Risk (Scientific American News, 2014/10/20) Pérou : La fonte des glaciers est à l’origine de l’apparition de 1000 nouveaux lacs d’altitude (2014/10/17)Le rôle majeur des « oasis » océaniques dans les interactions entre organismes marins (CNRS, 2014/10/15) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and per...

      Read more

      22-30 September 2014 week

      2014-10-02

      Une meilleure évaluation des lacs à la surface de de la Terre (Insu, 2014/09/30)Shrinking Aral Sea (Earth Observatory)Réchauffement climatique : la fonte des glaces modifie la gravité terrestre (Vousnousils, 2014/09/30)Le changement climatique pourrait favoriser le développement du plancton de petite taille en Méditerranée Nord-Occidentale (Insu, 2014/09/22) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and pe...

      Read more

      1-7 September 2014 week

      2014-09-11

      Réchauffement, canicules, sécheresses, le climat en France va continuer à changer (Le Monde, 2014/09/08)Les bizarres créatures de l’océan Austral (Sciences et avenir, 2014/09/05) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.

      Read more

      July 21 - August 10, 2014 week

      2014-08-14

      Melt Ponds Shine in NASA Laser Altimeter Flight Images (Nasa, 2014/08/04)Le manchot empereur gravement menacé par le changement climatique (Techno Science, 2014/08/01)Aux Kiribati, la montée des eaux ne menace pas les îles (Le Figaro, 2014/08/01)Fonte des glaces: des vagues énormes dans l'océan Arctique pourraient accélérer le recul des glaciers (Huffingtonpost, 2014/07/30Ocean CleanUp, l'incroyable projet de nettoyage des océans (l’Express, 2014/07/29)Famine in the Horn of Africa (198...

      Read more

      7-20 July 2014 week

      2014-07-24

      Réchauffement climatique : nouveaux records (Exprimeo, 2014/07/19)Climat : Les glaciers africains en voie de disparition (Afrique Inside, 2014/07/19)NASA's RapidScat to unveil hidden cycles of sea winds (Science Daily, 2012/07/08) On line availability of articles depends on the Newspaper/magazine. We can't thus certify that above articles will be freely and permanently available.

      Read more

      Typhoon Neoguri seen by altimeters

      2014-07-11

      Typhoon Neoguri seen by altimeters : humps of sea level anomalies and high waves.

      Read more

      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...

      Online Data extraction service tutorial: how to use the tool to extract experimental data for hydrology

      The new Online Data Extraction service (http://odes.altimetry.cnes.fr) can be used to extract only some fields within the hydrology experimental data over the Parana rive...

      16-23 November 2014 week

      Le dernier siècle de l’ours polaire (Le Monde, 2014/11/26)Iceberg B31 Heads West (Earthobservatory, 2014/11/22)Explorer les fonds marins (France Inter, 2012/11/20...

      Online Data extraction service tutorial: how to use the tool to extract Saral experimental data for ice studies

      The new Online Data Extraction service (http://odes.altimetry.cnes.fr) can be used to extract only some fields within the Saral experimental data over the Kara and Barent...

      Announcement for CFOSAT open scientific Workshop

      This is the announcement for the CFOSAT open science meeting, which will take place in Guangzhou (China) on February 3rd to 5th 2015.

      New Mean Dynamic Topography and change in data policy

      A new version of the Combined Mean Dynamic Topography is delivered to users. The access to this new MDT_CNES-CLS-13 is subject to a new data policy as stated in the new ...

      13-20 october 2014 week

      Pérou : vers une meilleure prévision des ressources en poissons (IRD, 2014/10)El Niño Ups Flood Risk (Scientific American News, 2014/10/20) Pérou : La fonte d...

      22-30 September 2014 week

      Une meilleure évaluation des lacs à la surface de de la Terre (Insu, 2014/09/30)Shrinking Aral Sea (Earth Observatory)Réchauffement climatique : la fonte des gla...

      1-7 September 2014 week

      Réchauffement, canicules, sécheresses, le climat en France va continuer à changer (Le Monde, 2014/09/08)Les bizarres créatures de l’océan Austral (Sci...

      July 21 - August 10, 2014 week

      Melt Ponds Shine in NASA Laser Altimeter Flight Images (Nasa, 2014/08/04)Le manchot empereur gravement menacé par le changement climatique (Techno Science, 2014/08/01)...

      7-20 July 2014 week

      Réchauffement climatique : nouveaux records (Exprimeo, 2014/07/19)Climat : Les glaciers africains en voie de disparition (Afrique Inside, 2014/07/19)NASA's RapidScat t...

      Typhoon Neoguri seen by altimeters

      Typhoon Neoguri seen by altimeters : humps of sea level anomalies and high waves.

      To receive e-mail when this website is updated, enter your e-mail address.(this information will not be used for any other purpose)
    • 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.
    • 03 Feb2015

      Feb. 2015: CFOSAT open scientific Workshop

      31 Mar2015

      Jason-3 launch

      01 Jun2015

      June 2015: Sentinel-3A launch

      02 Jun2015

      June 2015: Sentinel-3 for Science Workshop

    • 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.
    • Each frequency of a dual-frequency altimeter responds differently to rain. This not only makes it possible to accurately...
      Rain
    • Number and localization of AVISO+ visitors since Feb 11th, 2014. Yellow dots show recent visits.
    • Register to use AVISO+ products.

    EnglishFrançaisEspañol
    Rss feedsContactSitemapPartnersFAQGlossaryLexicon
    You must enable cookies in your browser preferences to save the modifications
    You are using an older version of Internet Explorer, please update to take full advantage of Aviso+ features

    Customize the home page

    View all widgets
    Reduce display
    Public profile
    User profile

    Select/Deselect widgets

    Discover AVISO+

    Customizable home, reading tools, products search guide, etc.. Discover step by step the features of the new site AVISO+.

    Customizable homepage

    The new home page is composed of blocks called "widgets".

    Rearrange the blocks with a "Click & Drop".

    Hide a widget with the cross at the top right. Reset or add a widget with the "wrench" icon. The "User" and "Public" profiles offer a predefined organization.

    All the modifications are automatically saved as cookies on your machine so as to enable you to have your own specific AVISO+.

    Reading tools

    Ease your reading by choosing the page background colour (black/white) and/or by modifying the font size.

    Browsing menu and breadcrum trail

    To ease your browsing through AVISO+, you can use at any time the main banner items with the interactive submenus or use the browsing menu on the left side of the screen (it is open by default). For more readiness of the page contents, you can fold and unfold the browsing menu by clicking on the tab. At any time you can know where you are thanks to the browsing menu or the breadcrum at the top of the page.

    Products search guide

    The first submenu of the "Data" banner item leads you to a new search form enabling you to find quickier the product that suits your needs. The list of results is updated according to your selection criteria.

    AVISO+ Multimedia

    The first submenu of the "Multimedia" banner item leads you to AVISO+ collections of images and videos linked to altimetry and its applications. Have a nice visit!