DOI: 10.6096/ctoh_x-track_tidal_2018_01
title: X-TRACK, Along track Tidal Constants (2018_01)

description: X-TRACK, is a regional altimeter products for coastal applications. Along-track tidal constants (amplitude, phase lags and associated estimation errors for 73 constituents) derived from the X-TRACK T/P and Jason 1&2 is available every 6-7 km along the satellite ground tracks.


X-TRACK areas : 

| short name  | long name                       |                                                                        
|:------------|:---------------------------------|                                                                        
| adelie     | Adelie-Mertz                    |                                                                        
| amazon     | Amazon                          |                                                                        
| asa        | Atlantic South America          |                                                                        
| chinasea   | China Sea                       |                                                                        
| drake      | Drake passage                   |                                                                        
| eaustralia | East Australia                  |                                                                        
| gom        | Gulf of Mexico - Caribbean Sea  |                                                                        
| gulfstream | Gulf Stream                     |                                                                        
| hudson     | Hudson Bay                      |                                                                        
| humboldt   | Humboldt current                |                                                                        
| kerguelen  | Kerguelen Islands               |                                                                        
| labrador   | Labrador Sea                    |                                                                        
| medsea     | Mediterranean Sea               |                                                                        
| nea        | North East Atlantic             |                                                                        
| nindian    | North Indian Ocean              |                                                                        
| norway     | Norway                          |                                                                        
| nwa        | North West America              |                                                                        
| nwp        | North West Pacific              |                                                                        
| sea        | South and East Africa           |                                                                        
| wafrica    | West Africa                     |                                                                        
| waustralia | West Australia                  |                                                                        
| wla        | West Latin America - California |                                                                        
| wtp        | West Tropical Pacific           |