Toolbox

Some useful data and tools for altimetry processing

KMZ data

 
Nominal paths for ERS-2/Envisat,  Topex/Poseidon, Interlaced Topex and GFO are available in KMZ format (zipped KML files), useful for visualisation in Google Earth (or similar tools). These are available through the Aviso Website at:

 

For less technical folks, a plain text file is easier to handle; CTOH makes available this data as comma-separated value text files (.csv), with the format:  track-number, longitude, latitude. These data is available at ca.  0.5° in latitude resolution and are derived from Aviso's KMZ data above; 

 

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