Introduction.md

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   * From CMEMS (2005 to 2017) On Gulf of guinea [-15°W;14°E]/[-12°S;8°N] (1/12°)
   * Passive tracers T,S / Current U, V / SSH
 
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+> **Note** : CMEMS is the Copernicus Marine Environment Monitoring Service , provide regular data from Mercator native data 
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 *ATMO*
 
  
 * ERA5 reanalysis ECMWF 1h
-  * On Atlantic  (2005 to 2017) [-101W;-31W/-41S;40.9N] (0.25° x 0.3°)
-  * On Atlantic  (2000 to 2020) [-101°W;-31°W/-41°S;41°N] (0.15° x 0.4°)
+  * From CDS On Atlantic  (2005 to 2017) [-101W;-31W/-41S;40.9N] (0.25° x 0.3°)
+  * From native data On Atlantic  (2000 to 2020) [-101°W;-31°W/-41°S;41°N] (0.15° x 0.4°)
 
 * [DFS5.2](images/DFS5.2_methodology.png)* (Drakkar Forcing Set) : Reanalysis product (Mix ERA40/ ERAinterim and correction from 1958 to 2017) (0.7°)
 
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 *_The Making Of the DRAKKAR FORCING SET DFS5 from (https://www.drakkar-ocean.eu/publications/reports/report_DFS5v3_April2016.pdf)_
 
 
+> **Note** : CDS is the Climate data store , provide regular data from ECMWF native data
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 *RUNOFF*
 
 * ISBA-CTRIP land surface model daily runoff data from 1993 to 2017  (0.5°) ([B.Decharme](https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2018MS001545))