Introduction.md

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 * MERCATOR GLORYS12V1
 
-  * From native data (2005 to 2006) On Amazon-Brazil [-57°W;-27°W]/[-17°S;15°N] (1/12°)
+  * From native data (2005 to 2017) On Amazon-Brazil [-57°W;-27°W]/[-17°S;15°N] (1/12°)
+  * From native data (2005 to 2017) On Tapioca-Brazil [-43,0278W;-29,9722W]/[-29,0325;1,02772N] (1/12°)
   * From CMEMS (2000 to 2020) On Amazon (+caribe) [-72°W;-28°W]/[-6°S;21°N] (1/12°)
   * 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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 * ERA5 reanalysis ECMWF 1h
   * From CDS On Atlantic  (2005 to 2017) [-101W;-31W/-41S;40.9N] (0.25° x 0.3°)
+  * From CDS On Pacific-Atlantic  (1979 to 2021) [-170W;-25W/-60S;60N] (0.25° x 0.25°)
   * 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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 **BATHY** :
 
 * Global Bathymetry from ETOPO1, ETOPO2
-* Global Bathymetry from GEBCO 2019
+* Global Bathymetry from GEBCO 2019  (15arc second  ~500m)
 * Global Bathymetry From T-UGOm + postprocessing from F.Lyard . It's an improved topography in coastal environments developed by Florent Lyard and Damien Alain for FES2020 including new bathymetry data not taken into account in ETOPO2 and GEBCO1
 
 
 Is one of the first step of the preprocessing of a Nemo configuration. The interpolation onto the model grid has been conducted by taking all the original grid points falling into an NEMO grid box, and taking the median of those points.It s possible to choose the mean operator also. This procedure produces a smoothing of the sub-grid scale topography.
 
 
+> **Note** : at equator => 1 arc sec ~ 30m
+
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 ---
 **CHLORO** :
 
 * Seawiffs data : SeaWiFS had 8 spectral bands from 412 to 865 nm. It collected global data at 4 km resolution, and local data (limited onboard storage and direct broadcast) at 1 km. The mission and sensor were optimized for ocean color measurements, with a local noon (descending) equator crossing time orbit, fore-and-aft tilt capability, full dynamic range, and low polarization sensitivity. Chlorophyll concentration is expressed in units of mg m-3, indicating the concentration of the photosynthetic pigment chlorophyll a (also called CHLA) (the most common "green" chlorophyll) in ocean, estuary, and lake waters. 
 
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+---
+**BIO** :
+
+* from ORCA2 coupled simulation (use of monthly inputs)
+* from WOA 2013 interpolated on ORCA2
+* from WOA 2018
+* from mercator simulation BIOMER4V2R1 
+
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+Nemo wait for variable in mol/L, so there is a multiplicative factor to convert inputs from mL/L to mol/L
+
+* for N : ratio no3/c = 7.65  
+* for P : ratio po4/c = 122  
+* for O2 : n=Vo2/Vmol=1000L/22.4L.mol-1=44.6 
+
+
+| Inputs for initialization and OBC | frequency | Units WOA18 | factor |
+|:---:|:---:|:---:|:---:|
+| DIC (Dissolved Inorganic Concentration) | annual | umol.L | 1e-6 | 
+| DOC (Dissolved organic Concentration) | annual | umol.L | 1e-6 | 
+| Alkalini (Total Alkalini Concentration) | annual | umol.L | 1e-6 |
+| Fer (Dissolved Iron Concentration) | annual | umol.L | 1e-6 |
+| NO3 | monthly | umol/l | 7.6e-6 |
+| Si | monthly | umol/l | 1e-6 | 
+| PO4 | monthly | umol/l | 122e-6 |
+| O2 (Dissolved Oxygen) | monthly | umol/l (ml/L for woa13)  | 1e-6 (44.6e-6) |
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+| Inputs for optics and deposition process | frequency | Units | - |
+|:---:|:---:|:---:|:---:|
+| Percentage of PAR (Photosynthetically available radiation) in shortwave | daily | - | |
+| Dust from atmosphere | monthly | Dust Kg.m-2.s-1 | |
+| Solubility for atm. Iron | annual | - | |
+| atmospheric N deposition | annual | - | |
+| Fe bathy (beach) | annual | - | | 
+| river inputs DIC | daily | - | |
+| river inputs DOC | daily | - | |
+| river inputs DIN (Nitrogen) | daily | - | |
+| river inputs DON (Nitrogen) | daily | - | |
+| river inputs DIP (Phosphatus) | daily | - | |
+| river inputs DOP (Phosphatus) | daily | - | |
+| river inputs DSI (Phosphatus) | daily | - | |
+| river inputs DSI (Silicate) | daily | - | |
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