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Mesoscale Eddy Trajectory Atlas Product META3.2 DT

Types of dataset: multimission altimeter products.

DOI: note that these DOIs are the generic DOIs for those products. Specific DOIs have been set for each temporal extension as indicated in the table below.

Contents: multimission altimetry-derived eddy trajectories in version 3.2 DT (for Delayed-Time) computed with two series of upstream data: the "two satellites" constellation maps (distributed by C3S) and the "all satellites" constellation maps (distributed by CMEMS).

Use: study of ocean mesoscale eddies

Condition of access: These products are available free of charge for any purpose (scientific, operational, commercial, etc.) as stated in the licence agreement.

Data access service: on FTP and Thredds Data Server via your personal space MY AVISO+

Description: Anticyclonic and Cyclonic eddies detected from the multimission altimetry datasets, with their location, contours, amplitude, radius speed and associated metadata, for the whole altimetry period: 1993-ongoing

Geographic coverage: global

Format: NetCDF-4 Classic with CF standards.

Videos: The Mesoscale Eddy Trajectory Atlas version 3.2 is displayed on these videos. The blue circles are the cyclonic eddies and the yellow circles are the anticyclonic eddies. They are superimposed on the Absolute Dynamic Topography (ADT) distributed by Copernicus Marine Service (left) and with drifters from NOAA/AOML (right). Credits E.U. Copernicus Marine Service/CNES/CLS.


Citation: If you use the data, please cite:: "The altimetric Mesoscale Eddy Trajectories Atlas (META3.2 DT) was produced by SSALTO/DUACS and distributed by AVISO+ ( ) with support from CNES, in collaboration with IMEDEA (DOI: 10.24400/527896/a01-2022.005.YYMMDD for the META3.2 DT allsat version  and 10.24400/527896/a01-2022.006.YYMMDD for the META3.2 DT twosat version)".


Copyright : 1993 - ongoing CLS - Cnes - IMEDEA 

Eddy dataset

Product Satellite DOI Authenticated access service  Frequency Data period Handbook File weight
Merged version 3.2
allsat 10.24400/527896/a01-2022.005.220209 see your MY AVISO+ yearly From Jan 1993 to February 2022 Handbook 3 files for Cyclonic and Anticyclonic eddies:
long series: max 7.1 Gb
shorts series: max 510 Mb
untracked series: max 95 Mb
twosat 10.24400/527896/a01-2022.006.220209
allsat 10.24400/527896/a01-2022.005.210802 Available on demand ( - From Jan 1993 to August 2021 Handbook (1rev0) 3 files for Cyclonic and Anticyclonic eddies:
long series: max 7.1 Gb
shorts series: max 510 Mb
untracked series: max 95 Mb
twosat 10.24400/527896/a01-2022.006.210802

See also

META3.2exp NRT
META3.1exp DT (this version is not maintained anymore)
META3.0exp NRT (this version is not maintained anymore)
META2.0 DT (not recommended,this version is not maintained anymore)
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