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template.namelist
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template.namelist
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!! -------------------
!! Namelist for SOSIE
!! -------------------
!!
!!
!! ******************************************************************************************************
!! &ndom_src => info about source domain (the domain on which the field we want to interpolate is given)
!! ******************************************************************************************************
!!
!! csource : short string to describe the origin grid [char]
!!
!! ivect : vector correction control on treated field [integer]
!! ivect = 0 : source field is not a component of a vector
!! or the target grid is regular (l_reg_trg = .true.)
!! * if non-regular distorted target grids (like ORCAX):
!! ivect = 1 : source field is a zonal (X) component of a vector
!! ivect = 2 : source field is a meridional (Y) component of a vector
!!
!! l_reg_src : is the source grid regular? [logical]
!! (ie : are source longitude and latitude 1D?)
!!
!! cf_src : file containing the source field to be interpolated [char]
!! cv_src : name of treated variable (in source field file) [char]
!!
!! cv_t_src : name of time record variable in the source file [char]
!! or 'missing_rec' if no time record is present in the source file
!!
!! cf_x_src : file containing the source grid (usually = cf_src) [char]
!! cv_lon_src : name of longitude in the source grid file [char]
!! cv_lat_src : name of latitude in the source grid file [char]
!!
!! cf_lsm_src : (only relevant if idrown>0)
!! file containing the source land-sea mask [char]
!! Alternatively:
!! * specify " cf_lsm_src = 'missing_value' " if a 'missing_value' netcdf
!! attribute defines the mask on the source data field
!! * specify " cf_lsm_src = 'nan' " if mask is defined with NaN values
!! * specify " cf_lsm_src = 'value' if you want land regions to be defined
!! where field 'cv_src' is strictly equal to the numeric value read into 'cv_lsm_src'
!! * specify " cf_lsm_src = 'val+' if you want land regions to be defined
!! where field 'cv_src' is larger or equal to the numeric value read into 'cv_lsm_src'
!! * specify " cf_lsm_src = 'val-' if you want land regions to be defined
!! where field 'cv_src' is smaller or equal to the numeric value read into 'cv_lsm_src'
!! Ex: you want all points where your field is <= 0 to become land mask,
!! then specify: cf_lsm_src = 'val-' and cv_lsm_src = '0.00001'
!!
!! cv_lsm_src : (only relevant if idrown>0)
!! name of land-sea mask variable [char]
!! or if cf_lsm_src = 'missing_value'--> '')
!! by default ocean is flagged with value 1
!! and continents are flagged with value 0
!! Alternatively:
!! a string of numeric value when cf_lsm_src is 'value', 'val-', or 'val+'
!!
!! ewper : east-west periodicity on the source file/grid [integer]
!! = -1 --> no periodicity
!! >= 0 --> periodicity with overlap of ewper points
!!
!! Only required if 3D interpolation:
!!
!! cf_z_src : file containing the source depth vector (associates a depth to a
!! given level). In most cases should be the same file than cf_x_src.
!! cv_z_src : name of the variable for the source depth vector
!!
!! ctype_z_src : type of coordinates in source file (currently available z/sigma)
!!
!! These are to be set ONLY if ctype_z_src = 'sigma'
!! cf_bathy_src : file containing the bathymetry on source grid (usually ROMS grid file)
!! cv_bathy_src : name of bathymetry variable (usually h)
!! ssig_src : structure with ROMS s-coordinates parameters on source grid
!!--------------------------------------------------------------------------
!!
&ndom_src
csource = 'Blabla'
ivect = 0
l_reg_src = .true.
cf_src = '/data/toto/my_file.nc'
cv_src = 'temp'
cv_t_src = 'time'
cf_x_src = '/data/toto/my_file.nc'
cv_lon_src = 'lon'
cv_lat_src = 'lat'
cf_lsm_src = 'missing_value'
cv_lsm_src = ''
ewper_src = 0
!!
!! Only required if 3D interpolation (jplev==0):
cf_z_src = '/data/toto/my_file.nc'
cv_z_src = 'level'
!! ROMS s-coordinates stuff only:
ctype_z_src = 'sigma'
cf_bathy_src = ''
cv_bathy_src = ''
!! ROMS s-coordinates parameters (if ctype_z_src or/and ctype_z_trg = 'sigma' )
!! Vtransform | Vstretching | Nlevels | theta_s | theta_b | Tcline | hmin
ssig_src = 2, 4, 40, 7., 2., 250. , 15.
/
!!
!!
!!
!! **********************************************************************
!! &ndom_trg => info about target domain (the domain we interpolate to!)
!! **********************************************************************
!!
!! ctarget : short string to describe the target grid [char]
!!
!! l_reg_trg : is the target grid regular ? [logical]
!! (ie : are target longitude and latitude 1D?)
!!
!! cf_x_trg : file containing the target grid [char]
!! cv_lon_trg : name of longitude variable [char]
!! cv_lat_trg : name of latitude variable [char]
!!
!! TRICK: for interpolating onto a global regular spherical grid
!! ------ with a resolution of dx deg. of longitude and dy deg. of latitude
!! * cf_x_trg = 'spheric' ! tells SOSIE to build a spherical target grid
!! * cv_lon_trg = '1.0' ! your dx, here 1.0 deg.
!! * cv_lat_trg = '1.0' ! your dy, here 1.0 deg.
!!
!!
!! cf_lsm_trg : (not needed if "lmout = .FALSE." --> '')
!! file containing TARGET land-sea mask [char]
!! land-sea mask MUST BE 3D for 3D interpolation!
!! - or specify 'missing_value' if you want to "scan" field "cv_lsm_trg"
!! into file "cf_x_trg" after values that seem to define a masked region!
!!
!! cv_lsm_trg : (not needed if "lmout = .FALSE." --> '')
!! name of land-sea mask variable in 'cf_lsm_trg' [char]
!! - or name of field 'X' in 'cf_x_trg' that seem to define a masked
!! region (based on NaN/missing value) IF you specified
!! cf_lsm_trg = 'missing_value'
!!
!! ewper_trg : east-west periodicity on the target file/grid [integer]
!! = -1 --> no periodicity
!! >= 0 --> periodicity with overlap of ewper points
!!
!!
!! Only required if 3D interpolation (jplev==0):
!!
!! cf_z_trg : file containing the target depth vector (associates a depth to a
!! given level). In most cases should be the same file than cf_x_src.
!! cv_z_trg : name of the variable for the target depth vector in file 'cf_z_trg'
!! ctype_z_trg : type of coordinates in target file (currently available z/sigma)
!!
!! ROMS s-coordinates stuff only:
!! These are to be set ONLY if ctype_z_trg = 'sigma'
!! cf_bathy_trg : file containing the bathymetry on target grid (usually ROMS grid file)
!! cv_bathy_trg : name of bathymetry variable (usually h)
!! ssig_trg : structure with ROMS s-coordinates parameters on target grid (see above)
!!--------------------------------------------------------------------------
&ndom_trg
ctarget = 'ORCA2'
l_reg_trg = .false.
cf_x_trg = '/data/toto/coordinates_ORCA_R2.nc'
cv_lon_trg = 'nav_lon'
cv_lat_trg = 'nav_lat'
cf_lsm_trg = '/data/toto/mask_ORCA2.nc'
cv_lsm_trg = 'tmask'
ewper_trg = 2
!!
!! Only required if 3D interpolation (jplev==0):
cf_z_trg = '/data/toto/mesh_zgr.nc'
cv_z_trg = 'nav_lev'
ctype_z_trg = 'z'
!!
cf_bathy_trg = '/data/toto/roms_grid.nc'
cv_bathy_trg = 'h'
!! ROMS s-coordinates parameters (if ctype_z_src or/and ctype_z_trg = 'sigma' )
!! Vtransform | Vstretching | Nlevels | theta_s | theta_b | Tcline | hmin
ssig_trg = 2, 4, 40, 7., 2., 250. , 15.
/
!!
!!
!! *****************************************************************
!! &ninterp => stuff related to interpolation and pre/post processing
!! of data
!! *****************************************************************
!!
!! cmethod : the 2D interpolation method to be used
!!
!! * use 'akima' if your source domain is regular (non-distorted grid)
!!
!! * use 'bilin' otherwise (bilinear 2D interpolation)
!!
!! * use 'no_xy' to only perform vertical interpolation, i.e. interpolate a
!! a 3D field given on ni*nj and nk_src levels to the same ni*nj 2D domain
!! but on nk_trg levels!
!! => for example interpolates a 3D field from grid ORCAX.L46 to ORCAX.L75
!!
!! idrown : 4 values in this structure: `np_drown, nt_smooth, l_msk_chg, rval_land` ([integer],[integer],[boolean],[float]):
!! * np_drown : whether we call DROWN land filling procedure (>0) or not (=0)
!! which propagates/extrapolates sea values (defined where lsm==1) of field
!! cv_src by "np_drown" grid points over land regions (defined where lsm==0)
!! * nt_smooth : the number of time smoothing is applied on drowned regions
!! (only performed on land regions)
!! * l_msk_chg : wether the missing/masked points region (land) on source field is changing with time!
!! * rval_land : field value to put on the remaining land regions where sea values have not been propagated (if they exist)
!! --> use `0.` if you want to keep the original input value...
!! => this treatment has absolutely no impact over sea regions, only over land
!! regions, it is intended to prevent land values to polute/contaminate sea
!! regions during the interpolation process!
!!
!! ixtrpl_bot : in case of 3D interpolation, this option forces sosie to vertically
!! extrapolate the source field (on its source grid) downward into the
!! bedrock prior to interpolation
!! = 0 : not used
!! = 1 : used, method => persistence of the wet bottom point value
!! = 2 : used, method => using the DROWN routine...
!!
!! l_save_drwn : save the input field after it has undergone "DROWNING" (idrown > 0!)
!! and/or downward bedrock extrapolation (ixtrpl_bot > 0!)
!!
!! ismooth : if ismooth > 0 the field to be interpolated will be smoothed
!! prior to interpolation. By applying ismooth times a type of
!! closest neighboors boxcar smoothing algorithm
!! (check "SMOOTH" of mod_drown.f90)
!! => this is usefull to avoid sub-sampling when your target
!! grid is much coarser than your source grid
!! (i.e. when interpolating from high-res to low-res)
!! => start with a multiple of 10, typically 20, and adjust depending
!! on the result
!!
!! jt1 : first time record to be interpolated
!! jt2 : last time record to be interpolated
!! => set jt1 and jt2 to 0 if you want to skip this option
!! and interpolate the nt time steps of the current field
!!
!! jplev : level to treat if your file is 3D (spatial), has no influence if
!! your file is 2D in space !
!! ------------------------------------------------------------------
!! jplev > 0 = level to treat (ex : jplev = 1 will interpolate only
!! surface field corresponding to the 1st level )
!! ------------------------------------------------------------------
!! jplev = 0 : perform 3D interpolation (if source file is 3D) !!! |
!! ------------------------------------------------------------------
!! jplev = -1 : overrides good sense and forces sosie to understand that
!! your field to interpolate is 2D with a time record
!! (usually the case if the time record dimension in your
!! source file is not declared as UNLIMITED => bad! )
!! => so SOSIE doesn't mistake this time record with a depth!
!! -------------------------------------------------------------------
!!
!! vmax : upper bound not to exceed for treated variable [real]
!! vmin : lower bound not to exceed for treated variable [real]
!!
!! ismooth_out : smooth the freshly interpolated field on the target grid
!! ismooth_out times! (see ismooth above)
!!
&ninterp
cmethod = 'akima'
!!
idrown = 100,50,.FALSE.,0.
ixtrpl_bot = 0
l_save_drwn = .false.
ismooth = 0
jt1 = 0
jt2 = 0
jplev = 1
vmax = 1.E6
vmin = -1.E6
ismooth_out = 0
ibx_xtra_sm = 0, 0,0, 0,0 ! Extra-smoothing on a given rectangular region: ibx_xtra_sm = ntimes, i1,j1, i2,j2
/
!!
!!
!! *****************************************************************
!! &noutput => info on the (horizontal) interpolation method to use
!! and the netcdf file to generate
!! *****************************************************************
!!
!! This mostly deals with how the output file to be created is going to look like!
!!
!!
!! *** Into the netcdf file to be created : ***
!! cv_out : name for treated variable in the output file [char]
!! cu_out : if not = '': then change the unit of treated variable units [char]
!! cln_out : if not = '': then change the long name treated variable [char]
!! cv_t_out : name of time record vector in the output file [char]
!! => set to cv_t_out='' if no time dimension
!! cd_out : directory to create output file to [char]
!!
!! *** Naming of the output file : ***
!! cextra : short extra indication about the file [char]
!!
!! lmout : whether to mask the interpolated field on the target file [logical]
!! if lmout is set to .FALSE. and cf_lsm_trg is different than '' the target
!! field will be drowned using the mask defined by cf_lsm_trg (and cv_lsm_trg)
!!
!! rmiss_val : missing value given to target field (for continents) [real]
!!
!! lct : whether to control or not time variable [logical]
!! TRUE -> specify time array with starting time 't0' and step 't_stp'
!! usefull if you do not have a "time" variable in your source netcdf file !
!! FALSE -> same time array as in source file is used
!! t0 : time to start (if lct is set to .TRUE.) [real]
!! t_stp : time step (if lct is set to .TRUE.) [real]
!!
!! Only required if 3D interpolation (jplev==0):
!! cv_z_out: name you wish to give to depth variable in file to be created...
!!
!!
&noutput
cv_out = 'temp'
cu_out = ''
cln_out = ''
cv_t_out = 'time_counter'
cd_out = '.'
cextra = 'monthly_1998'
lmout = .true.
rmiss_val = -9999.
lct = .false.
t0 = 0.
t_stp = 0.
!! Only required if 3D interpolation (jplev==0):
cv_z_out = 'depth'
/
!!