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. 


HAPPY BIRTHDAY SARAL !

2020-02-25

On February 25th, SARAL celebrates seven years in orbit. It continues a major contribution to Ocean monitoring as well as climate change studies.

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China France CFOSAT satellite data are now available

2020-02-19

CFOSAT was launched on October 29th 2018 with the two radar instruments SWIM and SCAT on board. All the satellite, instruments and ground segments elements are functioning well. 

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Release of Sentinel-3 Peachi data (S-GDR)

2020-02-07

New Sentinel-3 Peachi data are now available to users. These data comes from a LR-RMC processing

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ANNY CAZENAVE LAUREATE OF THE 2020 VETLESEN PRIZE

2020-01-24

Anny Cazenave, Emeritus Research Scientist at the LEGOS space geophysics and oceanography research laboratory, expert adviser to CNES and fellow of the French Academy of Sciences, is to receive the 2020 Vetlesen Prize for achievement in Earth sciences.

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Release of the regional XTRACK Tidal Constants product

2020-01-17

The XTRACK Tidal Constant is a new added-value coastal altimetry product. It provides accurate along-track tidal constant estimates at regional scale and includes all coastal seas in the world. This product usefully completes tide gauge observations for tidal studies, the validation of tidal models or data assimilation into models.

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Lake Kariba level is very low

2020-01-07

The lake Kariba is a reservoir lake on the Zambezi basin. Its level has been dropping for the past year and a half.

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Po river at a high level

2019-12-11

The Po river, South of Venice in Italy is at a high level this late November, as seen by several altimeters

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Aviso+ Users Newsletter #16

2019-12-06

We are pleased to announce you the publication of the sixteenth  Aviso+ Users Newsletter :  SUMMARY:  Project News: Ongoing and forthcoming missions, ongoing developments First SWIM wave data from CFOSAT satellite Aviso+ : a wide range of altimetry products Altimetry data for sea-ice thickness and snow depth over Arctic and Antarctica New CNES-CLS18 Mean Dynamic Topography Aviso+ User Satisfaction Survey 2019 : main results New products on the Aviso'VIZ portal Even...

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Venice Acqua Alta November 2019’ event measured by satellite altimetry

2019-11-28

Sea level anomaly measured by the altimetry constellation over the Adriatic seas on the 13th of November 2019.

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SARAL/AltiKa : new GDR-F products standard demo delivery

2019-11-27

A demo delivery of the SARAL/AltiKa new GDR-F products standard is now available.

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Release of the Mean Dynamic Topography MDT_CNES-CLS18

2019-11-19

We are pleased to announce you that the latest version of the Mean Dynamic Topography called MDT_CNES-CLS18 is now available.

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Call for articles for a Special Issue of Remote Sensing on Altimetry Cal/Val

2019-10-25

The call for papers is open to all aspects of calibration and validation over all surfaces and including Cal/val of the necessary ancillary information or details on Cal/Val strategies for upcoming missions (deadline:31st May 2020)

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Mescoscale Eddy Trajectory Atlas in Near-Real-Time

2019-10-22

The Aviso+ team is pleased to announce that the Mescoscale Eddy Trajectory Atlas in Near-Real-Time is now available on the Aviso+ ftp service.

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CFOSAT: first International Science Team meeting

2019-10-15

The first meeting of the CFOSAT International Science Team was held in Nanjing from 23 to 25 September 2019.

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Jason-2 altimetry satellite decommissioned after more than 11 years of ocean monitoring

2019-10-08

The ocean-observing altimetry satellite mission, Jason-2, will end on 10 October 2019 following a joint termination decision made by the four mission partners (NASA, CNES, NOAA, and EUMETSAT).

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Hurricane Dorian seen by satellites

2019-09-06

Hurricane Dorian seen by remote sensing satellites : wave parameters from CFOSAT, Jason-3, Jason-2 and Copernicus Sentinel-3A/B, wind speed from Copernicus Sentinel-1, SMOS and SMAP and ocean ernergy content from models.

Read more

HAPPY BIRTHDAY SARAL !

On February 25th, SARAL celebrates seven years in orbit. It continues a major contribution to Ocean monitoring as well as climate change studies.

China France CFOSAT satellite data are now available

CFOSAT was launched on October 29th 2018 with the two radar instruments SWIM and SCAT on board. All the satellite, instruments and ground segments elements are functionin...

Release of Sentinel-3 Peachi data (S-GDR)

New Sentinel-3 Peachi data are now available to users. These data comes from a LR-RMC processing

ANNY CAZENAVE LAUREATE OF THE 2020 VETLESEN PRIZE

Anny Cazenave, Emeritus Research Scientist at the LEGOS space geophysics and oceanography research laboratory, expert adviser to CNES and fellow of the French Academy of ...

Release of the regional XTRACK Tidal Constants product

The XTRACK Tidal Constant is a new added-value coastal altimetry product. It provides accurate along-track tidal constant estimates at regional scale and includes all coa...

Lake Kariba level is very low

The lake Kariba is a reservoir lake on the Zambezi basin. Its level has been dropping for the past year and a half.

Po river at a high level

The Po river, South of Venice in Italy is at a high level this late November, as seen by several altimeters

Aviso+ Users Newsletter #16

We are pleased to announce you the publication of the sixteenth  Aviso+ Users Newsletter :  SUMMARY:  Project News: Ongoing and forthcoming missions, o...

Venice Acqua Alta November 2019’ event measured by satellite altimetry

Sea level anomaly measured by the altimetry constellation over the Adriatic seas on the 13th of November 2019.

SARAL/AltiKa : new GDR-F products standard demo delivery

A demo delivery of the SARAL/AltiKa new GDR-F products standard is now available.

Release of the Mean Dynamic Topography MDT_CNES-CLS18

We are pleased to announce you that the latest version of the Mean Dynamic Topography called MDT_CNES-CLS18 is now available.

Call for articles for a Special Issue of Remote Sensing on Altimetry Cal/Val

The call for papers is open to all aspects of calibration and validation over all surfaces and including Cal/val of the necessary ancillary information or details on Cal...

Mescoscale Eddy Trajectory Atlas in Near-Real-Time

The Aviso+ team is pleased to announce that the Mescoscale Eddy Trajectory Atlas in Near-Real-Time is now available on the Aviso+ ftp service.

CFOSAT: first International Science Team meeting

The first meeting of the CFOSAT International Science Team was held in Nanjing from 23 to 25 September 2019.

Jason-2 altimetry satellite decommissioned after more than 11 years of ocean monitoring

The ocean-observing altimetry satellite mission, Jason-2, will end on 10 October 2019 following a joint termination decision made by the four mission partners (NASA, CNES...

Hurricane Dorian seen by satellites

Hurricane Dorian seen by remote sensing satellites : wave parameters from CFOSAT, Jason-3, Jason-2 and Copernicus Sentinel-3A/B, wind speed from Copernicus Sentinel-1, S...

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Products guide
The terrestrial crust moves around its geometrical center. This motion is smaller than the size of a cherry, but can be...
Ocean indicator : Global Mean Sea Level rise