Zoomable vectorial image: here!
Zoomable vectorial image: here!
Local resolution of grid cells, iso-latitudes and land-sea mask.
Zoomable vectorial image: here!
Zoomable vectorial image: here!
Local resolution of grid cells, iso-latitudes and land-sea mask.
We should agree on what exactly this file should contain but for now I had to start with something and here it is.
Both the Northern and Southern hemisphere domains are included in this file; with corresponding dimensions and variables being identified with the *_n and *_s suffixes, respectively.
NEMO uses the Arakawa C-grid formalism with squarish meshes. As such, the point at the very center of a given mesh is the T-point, while points that define the 4 corners of the mesh are F-points.
The exact content of current state netCDF file for the 1° resolution domain:
netcdf grid_nextsimDG_2xHEMI1 {
dimensions:
x_n = 182 ;
y_n = 290 ;
x_s = 362 ;
y_s = 147 ;
variables:
byte tmask_n(y_n, x_n) ;
tmask_n:long_name = "Land-Sea mask at T-points (center of mesh)" ;
byte tmask_s(y_s, x_s) ;
tmask_s:long_name = "Land-Sea mask at T-points (center of mesh)" ;
double flon_n(y_n, x_n) ;
flon_n:units = "degrees East" ;
flon_n:long_name = "Longitude at F-points (corners of mesh)" ;
double flon_s(y_s, x_s) ;
flon_s:units = "degrees East" ;
flon_s:long_name = "Longitude at F-points (corners of mesh)" ;
double flat_n(y_n, x_n) ;
flat_n:units = "degrees North" ;
flat_n:long_name = "Latitude at F-points (corners of mesh)" ;
double flat_s(y_s, x_s) ;
flat_s:units = "degrees North" ;
flat_s:long_name = "Latitude at F-points (corners of mesh)" ;
double tlon_n(y_n, x_n) ;
tlon_n:units = "degrees East" ;
tlon_n:long_name = "Longitude at T-points (center of mesh)" ;
double tlon_s(y_s, x_s) ;
tlon_s:units = "degrees East" ;
tlon_s:long_name = "Longitude at T-points (center of mesh)" ;
double tlat_n(y_n, x_n) ;
tlat_n:units = "degrees North" ;
tlat_n:long_name = "Latitude at T-points (center of mesh)" ;
double tlat_s(y_s, x_s) ;
tlat_s:units = "degrees North" ;
tlat_s:long_name = "Latitude at T-points (center of mesh)" ;
double e1t_n(y_n, x_n) ;
e1t_n:units = "m" ;
e1t_n:long_name = "`dx` of mesh, centered at T-point" ;
double e2t_n(y_n, x_n) ;
e2t_n:units = "m" ;
e2t_n:long_name = "`dy` of mesh, centered at T-point" ;
double e1t_s(y_s, x_s) ;
e1t_s:units = "m" ;
e1t_s:long_name = "`dx` of mesh, centered at T-point" ;
double e2t_s(y_s, x_s) ;
e2t_s:units = "m" ;
e2t_s:long_name = "`dy` of mesh, centered at T-point" ;
// global attributes:
:About = "Built using ORCA1 (NEMO) `domain_cfg` file: `domain_cfg_L31_4.0.6_ORCA1_no_t_lev1.nc`" ;
:Author = "Generated with `orcaX_to_hemiX.py`, L. Brodeau, 2022" ;
}
/laurent (27/04/2022)
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