Introduction.md

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 #### Listing of global inputs stored
 
 
-* MERCATOR GLORYS2V4 (1993 to 2017) On Atlantic [-100°W;25°E]/[-39°S;41°N]
-* DFS5.2 (Drakkar Forcing Set) : Reanalysis product (Mix ERA5/ ERAinterim and correction from 1958 to 2017)
+* MERCATOR GLORYS2V4 (1993 to 2017) On Atlantic [-100°W;25°E]/[-39°S;41°N] (0.25°)
+  * Passive tracers T, S
+  * Current U, V
+  * SSH
+* DFS5.2 (Drakkar Forcing Set) : Reanalysis product (Mix ERA40/ ERAinterim and correction from 1958 to 2017)
+(0.7°) It includes the following surface variables required by the NEMO bulk formula to calculate heat, freshwater and momentum fluxes across the air-sea interface (i.e. the surface boundary condition to the model primitive equations).
+  * zonal and meridional components of the 10-m wind : u10, v10
+  * 2-m air humidity : q2
+  * 2-m air temperature : t2
+  * downward shortwave radiation at the sea surface : radsw
+  * downward longwave radiation at thesea surface: radlw
+  * precipitation total and solid: P, snow
+  * slp (ERAinterim) 
+
+![](images/DFS5.2_methodology.png) 
+__from??__ 
+
 
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