NOT RECOMMENDED cf Pegliasco et al., OSTST 2022

Types of dataset: multimission altimeter products.

Contents: multimission altimetry-derived eddy trajectories in version 2.0 DT (for Delayed-Time)

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: FTP

Description: eddies detected from the multimission altimetry datasets, with location each day giving the type (cyclonic/anticyclonic), speed, radius and associated metadata, for the whole altimetry period: 1993-ongoing

Geographic coverage: global

Format: NetCDF-4 Classic with CF standards.

Tools:

• User Handbook: Mesoscale Eddy Trajectories Atlas Product Handbook META2.0, SALP-MU-P-EA-23126
• Statistical analysis document (version delayed-time 2.0)
• Reading software: examples in Python programming language. Details on Aviso+ Users Newsletter #14, page 4: Tools for the Mesoscale Eddy Trajectories Atlas.
• Image of the month, June 2017: Eddies everywhere

Citation: If you use the data, please cite: The altimetric Mesoscale Eddy Trajectories Atlas (META2.0) was produced by SSALTO/DUACS and distributed by AVISO+ (https://aviso.altimetry.fr ) with support from CNES, in collaboration with Oregon State University with support from NASA.

References:

• Michael G. Schlax and Dudley B. Chelton, 2016: The “Growing Method" of Eddy Identification and Tracking in Two and Three Dimensions, College of Earth, Ocean and Atmospheric Sciences, Oregon State University, Corvallis, Oregon, July 8, 2016
• Poster presentation, OSTST 2018, A Delepoulle et al., A new 25 year mesoscale eddy trajectory atlas on AVISO
• Poster presentation, OSTST 2017, A.Delepoulle et al., 24 year mesoscale eddy trajectory atlas on AVISO