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jmc |
1.4 |
C $Header: /u/gcmpack/MITgcm/pkg/exf/EXF_FIELDS.h,v 1.3 2007/05/14 19:32:08 jmc Exp $ |
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jmc |
1.1 |
C $Name: $ |
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c |
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c |
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c ================================================================== |
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c HEADER exf_fields |
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c ================================================================== |
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c |
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c o Header file for the surface flux data. |
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c |
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c started: Ralf.Giering@FastOpt.de 25-Mai-2000 |
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c changed: field swap in adj. mode; heimbach@mit.edu 10-Jan-2002 |
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c included runoff D. Stammer, Nov. 25, 2001 |
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c mods for pkg/seaice: menemenlis@jpl.nasa.gov 20-Dec-2002 |
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c |
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c ================================================================== |
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c HEADER exf_fields |
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c ================================================================== |
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c |
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c |
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c Field definitions, units, and sign conventions: |
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c =============================================== |
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c |
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c ustress :: Zonal surface wind stress in N/m^2 |
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c > 0 for increase in uVel, which is west to |
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c east for cartesian and spherical polar grids |
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c Typical range: -0.5 < ustress < 0.5 |
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c Input field |
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c |
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c vstress :: Meridional surface wind stress in N/m^2 |
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c > 0 for increase in vVel, which is south to |
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c north for cartesian and spherical polar grids |
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c Typical range: -0.5 < vstress < 0.5 |
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c Input field |
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c |
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c hflux :: Net upward surface heat flux excluding shortwave in W/m^2 |
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c hflux = latent + sensible + lwflux |
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c > 0 for decrease in theta (ocean cooling) |
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c Typical range: -250 < hflux < 600 |
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c Input field |
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c |
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c sflux :: Net upward freshwater flux in m/s |
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c sflux = evap - precip - runoff |
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c > 0 for increase in salt (ocean salinity) |
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c Typical range: -1e-7 < sflux < 1e-7 |
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c Input field |
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c |
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c swflux :: Net upward shortwave radiation in W/m^2 |
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c swflux = - ( swdown - ice and snow absorption - reflected ) |
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c > 0 for decrease in theta (ocean cooling) |
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c Typical range: -350 < swflux < 0 |
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c Input field |
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c |
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c uwind :: Surface (10-m) zonal wind velocity in m/s |
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c > 0 for increase in uVel, which is west to |
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c east for cartesian and spherical polar grids |
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c Typical range: -10 < uwind < 10 |
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c Input or input/output field |
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c |
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c vwind :: Surface (10-m) meridional wind velocity in m/s |
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c > 0 for increase in vVel, which is south to |
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c north for cartesian and spherical polar grids |
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c Typical range: -10 < vwind < 10 |
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c Input or input/output field |
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c |
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c wspeed :: Surface (10-m) wind speed in m/s |
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c >= 0 sqrt(u^2+v^2) |
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c Typical range: 0 < wspeed < 10 |
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c Input or input/output field |
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c |
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c atemp :: Surface (2-m) air temperature in deg K |
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c Typical range: 200 < atemp < 300 |
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c Input or input/output field |
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c |
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c aqh :: Surface (2m) specific humidity in kg/kg |
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c Typical range: 0 < aqh < 0.02 |
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c Input or input/output field |
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c |
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c lwflux :: Net upward longwave radiation in W/m^2 |
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c lwflux = - ( lwdown - ice and snow absorption - emitted ) |
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c > 0 for decrease in theta (ocean cooling) |
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c Typical range: -20 < lwflux < 170 |
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c Input field |
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c |
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c evap :: Evaporation in m/s |
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c > 0 for increase in salt (ocean salinity) |
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c Typical range: 0 < evap < 2.5e-7 |
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c Input, input/output, or output field |
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c |
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c precip :: Precipitation in m/s |
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c > 0 for decrease in salt (ocean salinity) |
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c Typical range: 0 < precip < 5e-7 |
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c Input or input/output field |
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c |
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c snowprecip :: snow in m/s |
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c > 0 for decrease in salt (ocean salinity) |
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c Typical range: 0 < precip < 5e-7 |
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c Input or input/output field |
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c |
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c runoff :: River and glacier runoff in m/s |
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c > 0 for decrease in salt (ocean salinity) |
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c Typical range: 0 < runoff < ???? |
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c Input or input/output field |
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c |
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c swdown :: Downward shortwave radiation in W/m^2 |
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c > 0 for increase in theta (ocean warming) |
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c Typical range: 0 < swdown < 450 |
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c Input/output field |
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c |
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c lwdown :: Downward longwave radiation in W/m^2 |
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c > 0 for increase in theta (ocean warming) |
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c Typical range: 50 < lwdown < 450 |
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c Input/output field |
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c |
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c apressure :: Atmospheric pressure field in N/m^2 |
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c > 0 for ???? |
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c Typical range: ???? < apressure < ???? |
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c Input field |
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c |
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c hs :: sensible heat flux into ocean in W/m^2 |
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c > 0 for increase in theta (ocean warming) |
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c |
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c hl :: latent heat flux into ocean in W/m^2 |
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c > 0 for increase in theta (ocean warming) |
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c |
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c |
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c NOTES: |
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c ====== |
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c |
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c All surface forcing fields are defined at the center of |
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c each grid (the rVel location in model/inc/GRID.h) with |
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c one exception. When both ALLOW_BULKFORMULAE and |
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c USE_EXF_INTERPOLATION are undefined, ustress and vstress are |
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c defined at the Southwest C-grid U and V points, respectively. |
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c |
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c Input and output units and sign conventions can be customized |
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c using variables exf_inscal_* and exf_outscal_*, which are set |
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c by exf_readparms.F |
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c |
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c Output fields fu, fv, Qnet, Qsw, and EmPmR are |
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c defined in FFIELDS.h |
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c |
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c #ifndef SHORTWAVE_HEATING, hflux includes shortwave, |
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c that is, hflux = latent + sensible + lwflux +swflux |
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c |
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c Arrays *0 and *1 below are used for temporal interpolation. |
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c |
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common /exf_stress_r/ ustress, vstress |
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_RL ustress (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL vstress (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_ustress_r/ ustress0, ustress1 |
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_RL ustress0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL ustress1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_vstress_r/ vstress0, vstress1 |
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_RL vstress0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL vstress1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exf_wspeed_r/ wspeed |
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_RL wspeed (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_wspeed_r/ wspeed0, wspeed1 |
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_RL wspeed0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL wspeed1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exf_atm_wind_r/ uwind, vwind |
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_RL uwind (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL vwind (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_uwind_r/ uwind0, uwind1 |
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_RL uwind0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL uwind1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_vwind_r/ vwind0, vwind1 |
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_RL vwind0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL vwind1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exf_hsflux_r/ hflux, sflux |
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_RL hflux (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL sflux (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_hflux_r/ hflux0, hflux1 |
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_RL hflux0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL hflux1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_sflux_r/ sflux0, sflux1 |
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_RL sflux0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL sflux1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#ifdef ALLOW_ATM_TEMP |
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common /exf_atm_temp_r/ atemp, aqh, lwflux, precip, snowprecip |
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_RL atemp (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL aqh (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lwflux (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL precip (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL snowprecip (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_atemp_r/ atemp0, atemp1 |
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_RL atemp0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL atemp1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_aqh_r/ aqh0, aqh1 |
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_RL aqh0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL aqh1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_lwflux_r/ lwflux0, lwflux1 |
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_RL lwflux0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lwflux1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_precip_r/ precip0, precip1 |
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_RL precip0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL precip1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_snowprecip_r/ snowprecip0, snowprecip1 |
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_RL snowprecip0(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL snowprecip1(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_turb_r/ hs, hl |
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_RL hs (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL hl (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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jmc |
1.3 |
C wStress :: wind-stress magnitude [Pa=N/m^2], @ grid-cell center |
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C sh :: wind-speed [m/s] (always larger than uMin) |
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common /exfl_wind_r/ wStress, cw, sw, sh |
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_RL wStress (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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jmc |
1.1 |
_RL cw (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL sw (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL sh (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#if defined(ALLOW_ATM_TEMP) || defined(SHORTWAVE_HEATING) |
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common /exf_swflux_r/ swflux |
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_RL swflux (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_swflux_r/ swflux0, swflux1 |
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_RL swflux0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL swflux1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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#if defined(ALLOW_ATM_TEMP) || defined(EXF_READ_EVAP) |
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common /exf_evap/ evap |
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_RL evap (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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common /exfl_evap_r/ evap0, evap1 |
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_RL evap0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL evap1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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#ifdef ALLOW_DOWNWARD_RADIATION |
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common /exf_rad_down_r/ |
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& swdown, lwdown, swdown0, swdown1, lwdown0, lwdown1 |
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_RL swdown (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lwdown (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL swdown0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL swdown1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lwdown0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lwdown1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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#ifdef ATMOSPHERIC_LOADING |
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common /exf_apressure_r/ apressure, apressure0, apressure1 |
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_RL apressure (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL apressure0(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL apressure1(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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jmc |
1.4 |
#ifdef ALLOW_RUNOFF |
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jmc |
1.1 |
common /exfl_runoff_r/ runoff, runoff0, runoff1 |
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_RL runoff (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL runoff0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL runoff1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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heimbach |
1.2 |
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#ifdef ALLOW_CLIMSST_RELAXATION |
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common /exf_clim_sst_r/ climsst, lambda_climsst, |
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& climsst0, climsst1 |
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_RL climsst (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lambda_climsst(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL climsst0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL climsst1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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#ifdef ALLOW_CLIMSSS_RELAXATION |
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common /exf_clim_sss_r/ climsss, lambda_climsss, |
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& climsss0, climsss1 |
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_RL climsss (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL lambda_climsss(1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL climsss0 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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_RL climsss1 (1-olx:snx+olx,1-oly:sny+oly,nsx,nsy) |
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#endif |
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