Products X-TRACK: Sea Level Anomalies dedicated to coastal applications
Types of dataset: Altimeter Sea Level Anomalies dedicated to coastal applications at 1Hz
Contents: Along-track Sea Level Anomalies projected onto the reference tracks with a spatial interval of about 6-7 km between points (1 second). Specific processing (developed at LEGOS) has been made using the latest corrections available.
Use: coastal applications
Description: multimission altimeter satellite product in delayed time
Format: NetCDF
Tools:
- User handbook: X-TRACK product user manual
- Example of python script to read the files and plot several types of figures
- References: Birol, F., N. Fuller, F. Lyard, M. Cancet, F. Niño, C. Delebecque, S. Fleury, F. Toublanc, A. Melet, M. Saraceno, F. Léger, 2017. “Coastal Applications from Nadir Altimetry: Example of the X-TRACK Regional Products.” Advances in Space Research, 2017, 59 (4), p.936-953. doi:10.1016/j.asr.2016.11.005.
Geographic coverage:the zones have been defined as indicated below:
For details on the defined areas, please click on the map.
Copyright : 1993- ongoing. These products were developed, validated and distributed by CTOH/LEGOS France. Publications should include the following statement in the Acknowledgments: “Altimetry data used in this study (DOI 10.6096/CTOH_X-TRACK_2017_02) were developed, validated by the CTOH/LEGOS, France and distributed by Aviso+”.
X-TRACK products are now identified by a DOI. Please use it when citing X-TRACK. For the last version the DOI is 10.6096/CTOH_X-TRACK_2017_02.
The X-TRACK processing chain version 1.03 (2019/05) has now identifier 
IDDN.FR.010.0121178.000.R.P.2019.041.31235
Complementary informations can be find here (Product details, temporal coverage, processing methods,..).
Refer to the information about upgrades and reprocessing
Delayed-time
| Satellite | Type | Authenticated access services | Data period |
|---|---|---|---|
| Topex/Jason-1/Jason-2/Jason-3 | along-track | Please, connect to the 'product page' of your MYAVISO+ and select the product 'Coastal X-TRACK SLA') | Feb. 1993 - ongoing |
| Topex Interleaved orbit (TPN)/Jason-1 Interleaved orbit (J1N) | Sep. 2002- Feb 2012 | ||
| SARAL/AltiKa | Mar. 2013 - Apr. 2016 | ||
| Envisat | Oct. 2002- Sep. 2010 | ||
| Geosat Follow On | Jan. 2000- Sep 2008 |
