/[MITgcm]/MITgcm_contrib/MPMice/beaufort/CPL_README.txt

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-revision 1.1 by dimitri,
Sun May 31 13:25:42 2009 UTC
+revision 1.3 by dimitri,
Fri Feb  3 14:10:31 2012 UTC
 Line 25 
 air temperature              Nx*Ny
  humidity                     Nx*Ny       Real*8  AqhTag
  precipitation                Nx*Ny       Real*8  PrecipTag
  ocean surface temperature    Nx*Ny       Real*8  SstTag
+ ocean surface salinity       Nx*Ny       Real*8  SssTag
  surface u current            Nx*Ny       Real*8  UvelTag
  surface v current            Nx*Ny       Real*8  VvelTag
-Line 61 
 air temperature              Nx*Ny
+Line 62 
 air temperature              Nx*Ny
  humidity                     Nx*Ny       Real*8  AqhTag
  precipitation                Nx*Ny       Real*8  PrecipTag
  ocean surface temperature    Nx*Ny       Real*8  SstTag
+ ocean surface salinity       Nx*Ny       Real*8  SssTag
  surface u current            Nx*Ny       Real*8  UvelTag
  surface v current            Nx*Ny       Real*8  VvelTag
-Line 89 
 DETAILS:
+Line 91 
 DETAILS:
 . ocean sends
- deltatimestep
+ **** initial time step only *******************************
- ocean model time "myTime" (s)
+ deltatimestep                1           Real*8  TimeIntervalTag
+ grid dimensions (Nx,Ny)      2           Integer OceanGridsizeTag
  Then on tracer grid:
- grid information + landmask  TBD
+ NOT YET IMPLEMENTED: grid information + landmask
  initial ice area (fractional: 0-1) at the tracer points
  C     AREA  - fractional ice-covered area in m^2/m^2
-Line 110 
 C             at center of grid, i.e., t
+Line 114 
 C             at center of grid, i.e., t
  C             note: for non-zero AREA, actual ice
  C                thickness is HEFF / AREA
+ initial ice salinity at the tracer points
+ C     HSALT - effective sea ice salinity in g/m^2
+ C             at center of grid, i.e., tracer point
  initial snow thickness (mean thickness, m) at the tracer points
  C     HSNOW - effective snow thickness in m
  C             at center of grid, i.e., tracer point
  C             note: for non-zero AREA, actual snow
  C                thickness is HSNOW / AREA
- initial ice salinity at the tracer points
+ **** every time step **************************************
- C     HSALT - effective sea ice salinity in g/m^2
- C             at center of grid, i.e., tracer point
+ ocean model time "myTime" (s)
+ boundary ice area            2*(Nx+Ny)-4 Real*8  AreaBcTag
+ boundary ice thickness       2*(Nx+Ny)-4 Real*8  HeffBcTag
+ boundary ice salinity        2*(Nx+Ny)-4 Real*8  HsaltBcTag
+ boundary snow thickness      2*(Nx+Ny)-4 Real*8  HsnowBcTag
  open boundary u-ice velocity
  specified at the inside edge of the outer grid cells
-Line 196 
 at southwest c-grid locations
+Line 212 
 at southwest c-grid locations
 . ice receives 2., computes initial ice conditions and sends on tracer grid
  ice model time (s)
  ice area at tracer point
+ C     AREA  :: fractional ice-covered area in m^2/m^2
+ C              at center of grid, i.e., tracer point
+ C              0 is no cover, 1 is 100% cover
  ice thickness at tracer point
+ C     HEFF  :: effective ice thickness in m
+ C              at center of grid, i.e., tracer point
+ C              note: for non-zero AREA,
+ C                    actual ice thickness is HEFF / AREA
  ice salinity at tracer point
+ C     HSALT :: effective sea ice salinity in g/m^2
+ C              at center of grid, i.e., tracer point
  snow thickness at tracer point
- u-stress under ice at southwest b-grid locations
+ C     HSNOW :: effective snow thickness in m
- v-stress under ice at southwest b-grid locations
+ C              at center of grid, i.e., tracer point
+ C              note: for non-zero AREA, actual snow thickness is HSNOW / AREA
+ u-stress under ice at southwest c-grid locations
+ C     fu    :: Zonal surface wind stress in N/m^2
+ C              > 0 for increase in uVel, which is west to
+ C                  east for cartesian and spherical polar grids
+ C              Typical range: -0.5 < fu < 0.5
+ C              Southwest C-grid U point
+ v-stress under ice at southwest c-grid locations
+ C     fv    :: Meridional surface wind stress in N/m^2
+ C              > 0 for increase in vVel, which is south to
+ C                  north for cartesian and spherical polar grids
+ C              Typical range: -0.5 < fv < 0.5
+ C              Southwest C-grid V point
  residual shortwave under ice at tracer point
+ C     Qsw   :: Net upward shortwave radiation in W/m^2
+ C              Qsw = - ( downward - ice and snow absorption - reflected )
+ C              > 0 for decrease in theta (ocean cooling)
+ C              Typical range: -350 < Qsw < 0
+ C              Southwest C-grid tracer point
  heat flux (less shortwave) at tracer point
+ C     Qnet  :: Net upward surface heat flux (including shortwave) in W/m^2
+ C              Qnet = latent + sensible + net longwave + net shortwave
+ C              > 0 for decrease in theta (ocean cooling)
+ C              Typical range: -250 < Qnet < 600
+ C              Southwest C-grid tracer point
  freshwater flux at tracer point
+ C     EmPmR :: Net upward freshwater flux in kg/m2/s
+ C              EmPmR = Evaporation - precipitation - runoff
+ C              > 0 for increase in salt (ocean salinity)
+ C              Typical range: -1e-4 < EmPmR < 1e-4
+ C              Southwest C-grid tracer point
+ C           NOTE: for backward compatibility EmPmRfile is specified in
+ C                 m/s when using external_fields_load.F.  It is converted
+ C                 to kg/m2/s by multiplying by rhoConstFresh.
  salt flux at tracer point
+ C  saltFlux :: Net upward salt flux in psu.kg/m^2/s
+ C              flux of Salt taken out of the ocean per time unit (second).
+ C              Note: a) only used when salty sea-ice forms or melts.
+ C                    b) units: when salinity (unit= psu) is expressed
+ C                       in g/kg, saltFlux unit becomes g/m^2/s.
+ C              > 0 for decrease in SSS.
+ C              Southwest C-grid tracer point
  ===========================================================

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