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REAPER reprocessing completed!

REAPER reprocessing completed!

12-09-2014

The full-mission reprocessing of the ESA ERS Radar Altimetry (RA) Level 2 data has been completed and the new data set is now available online to the ESA Earth Observation user community.

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ESA Living Planet Fellowship: research fellowship funding announcement

ESA Living Planet Fellowship: research fellowship funding announcement

07-05-2014

ESA has just opened the call for new post-doctoral research fellowships called The Living Planet Fellowship. These concern fellowships in the host institute, funded up to 70% by ESA.  The de...

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Altiberg : a database for small icebergs

Altiberg : a database for small icebergs

31-12-2013

We now provide a new database which contains the small iceberg (<3km in length) detected by altimeters using the high resolution waveforms. The level 2 products are the individual detected iceberg ...

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Ocean colour and phytoplankton flora

Ocean colour and phytoplankton flora

28-06-2013

A new Ocean Colour product is now available at CERSAT : Satellite-derived chlorophyll-a associated to the phytoplankton flora observed at coastal stations

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New Release of Daily Satellite Turbulent Fluxes

New Release of Daily Satellite Turbulent Fluxes

20-06-2013

The surface turbulent fluxes estimated from satellite observations are reprocessed for QuikSCAT period October 1999 – November 2009 (Bentamy et al, 2013). They are calculated as daily turbulent air-se...

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Reprocessing Daily QuikSCAT Surface Wind Fields

Reprocessing Daily QuikSCAT Surface Wind Fields

06-03-2013

Gridded daily wind vector and wind stress fields, estimated over global ocean from QuikSCAT scatterometer (referred as DQSCAT) data, have been updated. Their spatial resolution is 0.25° in longitude a...

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Record-breaking wave heights and periods in the North Atlantic

Record-breaking wave heights and periods in the North Atlantic

22-01-2013

February 2011 was extremely stormy in the North Atlantic. A study just published in the Bulletin of American Meteorological Society (December 2012 issue) looks into the anatomy of a record-breaking mo...

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2012 Arctic sea ice melting reached a new record

2012 Arctic sea ice melting reached a new record

21-09-2012

Following the downward trend of recent years, the area covered by sea ice in Arctic has reached its lowest value since satellite observations began at end of the 1970’s.

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New Product by CMS : Saharan Dust Index

New Product by CMS : Saharan Dust Index

20-03-2012

An hourly Saharan dust index product generated by Meteo-France/CMS (Centre de Météorologie Spatiale) from SEVIRI sensor onboard Meteosat Second Generation (MSG) is now available at CERSAT. It is provi...

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End of ERS-2 mission after 15 years

End of ERS-2 mission after 15 years

21-07-2011

ERS-2 was de-orbitated on 6th July, ending a 15 years long mission of earth observation. For us, this was also the celebration of the 20 years of CERSAT initially created and funded in support to ERS ...

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Release of new global wind fields from Metop scatterometer

Release of new global wind fields from Metop scatterometer

17-02-2011

New gridded daily wind fields from Metop/ASCAT scatterometer retrievals are produced in near real-time over global ocean with a spatial resolution of 0.25°. They are in netCDF format and span fro...

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Real-time time detection of a Karenia mikimotoi bloom from space in the Western English Channel in July 2010

Real-time time detection of a Karenia mikimotoi bloom from space in the Western English Channel in July 2010

02-08-2010

Ifremer has been monitoring coastal waters from space for many years using SST, chlorophyll and turbidity levels derived from satellite observations, as a contribution to several European environmenta...

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Sea Surface Salinity measured from space for the first time !

Sea Surface Salinity measured from space for the first time !

12-04-2009

 A new method was developed that combine C and X-band brightness temperature measurements over the ocean to retrieve for the first time salinity is from satellite microwave radiometer measurement...

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Chlorophyll evolution in the subtropical gyres

Chlorophyll evolution in the subtropical gyres

02-04-2009

Because of weak inputs of nutrients in the surface mixed layer, chlorophyll concentration always remains low in the subtropical gyres. These weak inputs of nutrients are due to the downward Ekman pump...

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Observing storm-generated swell from space

Observing storm-generated swell from space

25-02-2008

On the afternoon of the 5th January 2008, a team of adventurous surfers was able to ride huge waves at Cortes Bank spot, bringing back these impressive reports and pictures of some of the biggest wave...

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2007 Arctic sea ice melting : new record

2007 Arctic sea ice melting : new record

21-09-2007

The month of September of this International Polar Year is marked by a record : Arctic sea ice has hit its lowest value since the beginning of satellite observations exist (almost 30 years).

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International Polar Year : new Antarctic sea ice database

International Polar Year : new Antarctic sea ice database

11-08-2007

Radiometers onboard satellites are commonly used to estimate sea ice concentration and extent. For several years, CERSAT has been providing daily Arctic sea ice maps at 12.5 km resolution.

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Global mapping of Arctic sea ice drift : a unique database

Global mapping of Arctic sea ice drift : a unique database

01-03-2007

For several years, the CERSAT has been providing sea ice data and maps from various scatterometers (microwave radar) and radiometers onboard earth observation satellites (ERS-1, ERS-2, ADEOS-1, QuikSC...

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New product : gridded mean CO2 exchange coefficients (K)

New product : gridded mean CO2 exchange coefficients (K)

07-01-2007

This new product available at CERSAT consists of weekly and monthly gridded fields of CO2 exchange coefficients derived from scatterometer ocean surface winds and sea surface temperature, using severa...

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The oil spills of Prestige tanker observed from space

The oil spills of Prestige tanker observed from space

25-11-2002

On 13th November 2002, the tanker Prestige was wrecked off Galice (Spain) after its crew was rescued. This was the beginning of the third big oil slick in Galice history. This event was monitored from...

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 Sea Ice circulation in the north pole

Sea Ice circulation in the north pole

23-11-2002

For several years the CERSAT has been providing sea ice maps derived from various scatterometers (microwave radar) on board earth observation satellites (ERS-1, ERS-2, ADEOS-1 or QuikSCAT). This instr...

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CERSAT to release new satellite global mean wind fields

CERSAT to release new satellite global mean wind fields

30-08-2002

Extending the dataset set up with ERS-1, ERS-2 and NSCAT series, CERSAT provides the scientific community with easy-to-use synoptic gridded fields of wind-related parameters (speed and stress vectors)...

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A calibration/validation tool for the Envisat ASAR Wave Mode

A calibration/validation tool for the Envisat ASAR Wave Mode

26-02-2002

Waves are being measured over the whole surface of the ocean by ESA satellite ENVISAT. Before being assimilated operationaly in forecasting models, the ENVISAT/ASAR wave data have to be fully calibrat...

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First validation results on JASON-1 altimeter

First validation results on JASON-1 altimeter

01-12-2001

JASON-1 is a new franco-american altimeter launched in December 2001. Using the colocated datasets distributed at CERSAT, here is a first estimation by Pierre Queffeulou (IFREMER/CERSAT) of Jason data...

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