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C $Header: /u/gcmpack/MITgcm/pkg/bulk_force/BULKF_PARAMS.h,v 1.4 2006/05/25 17:30:54 jmc Exp $ |
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C $Name: $ |
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|
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#ifdef ALLOW_BULK_FORCE |
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C *==========================================================* |
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C | BULK_PARAMS.h |
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C | o Header file for BULK_FORCE package parameters: |
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C | - basic parameter ( I/O frequency, etc ...) |
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C | - physical constants |
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C *==========================================================* |
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|
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C-- COMMON / BULK_PHYS_CONST / physical constants |
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C.. densities |
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C rhoA :: density of air [kg/m^3] |
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C rhoFW :: density of fresh water [kg/m^3] |
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C rhoSW :: density of sea water [kg/m^3] |
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C.. specific heats |
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C cpAir :: specific heat of air [J/kg/K] |
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C cpwv :: specific heat of water vapour [J/kg/K] |
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C.. latent heat |
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C Lvap :: latent heat of vaporization at 0.oC [J/kg] |
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C Lfresh :: latent heat of melting of pure ice [J/kg] |
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C Lvap_ice :: latent heat from sublimation [J/kg] |
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C.. constants |
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C Tf0kel :: Freezing temp of fresh water in Kelvin = 273.15 |
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C Rgas :: gas constant for dry air [J/kg/K] |
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C Rvap :: gas constant for H2O vapor [J/kg/K] |
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C xkar :: von Karman constant [-] |
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C stefan :: Stefan-Boltzmann constant [W/m^2/K^4] |
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C.. for transfer coefficient |
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C zref :: reference height [m] for transfer coefficient |
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C zwd :: height [m] of near-surface wind-speed input data |
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C zth :: height [m] of near-surface air-temp. & air-humid. input |
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C cDrag_[n] :: n = 1,2,3 coefficients used to evaluate drag coefficient |
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C cStantonS,U :: coefficients used to evaluate Stanton number (for |
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C sensib. Heat Flx), under Stable / Unstable stratification |
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C cDalton :: coefficient used to evaluate Dalton number (for Evap) |
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C.. for bulk formula |
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C umin :: minimum wind speed used in bulk-formulae [m/s] |
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C humid_fac :: dry-air - water-vapor molecular mass ratio (minus one) |
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C (used to calculate virtual temp.) |
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C saltQsFac :: reduction of sat. vapor pressure over salty water |
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C gamma_blk :: adiabatic lapse rate |
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C.. for Long-Wave Radiation |
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C atm_emissivity :: |
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C ocean_emissivity :: |
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C snow_emissivity :: |
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C ice_emissivity :: |
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C.. for BULKF_FORMULA_AIM |
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C FWIND0 :: ratio of near-sfc wind to lowest-level wind |
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C CHS :: heat exchange coefficient over sea |
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C VGUST :: wind speed for sub-grid-scale gusts |
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C DTHETA :: Potential temp. gradient for stability correction |
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C dTstab :: potential temp. increment for stability function derivative |
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C FSTAB :: Amplitude of stability correction (fraction) |
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C.. Albedo |
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C ocean_albedo :: ocean surface albedo [0-1] |
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_RL rhoA |
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c _RL rhoSW |
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_RL rhoFW |
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_RL cpAir |
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c _RL cpwv |
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_RL Lvap |
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_RL Lfresh |
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c _RL Lvap_ice |
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_RL Tf0kel |
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_RL Rgas |
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c _RL Rvap |
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_RL xkar |
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_RL stefan |
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_RL zref, zwd, zth |
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_RL cDrag_1, cDrag_2, cDrag_3 |
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_RL cStantonS, cStantonU |
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_RL cDalton |
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_RL umin |
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_RL humid_fac |
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_RL saltQsFac |
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_RL gamma_blk |
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_RL atm_emissivity |
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_RL ocean_emissivity |
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_RL snow_emissivity |
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_RL ice_emissivity |
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#ifdef ALLOW_FORMULA_AIM |
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_RL FWIND0, CHS, VGUST, DTHETA, dTstab, FSTAB |
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#endif |
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_RL ocean_albedo |
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COMMON / BULK_PHYS_CONST / |
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& rhoA, rhoFW, |
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& cpAir, Lvap, Lfresh, |
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& Tf0kel, Rgas, |
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& xkar, stefan, |
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& zref, zwd, zth, |
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& cDrag_1, cDrag_2, cDrag_3, |
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& cStantonS, cStantonU, cDalton, |
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& umin, humid_fac, saltQsFac, gamma_blk, |
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& atm_emissivity, ocean_emissivity, |
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& snow_emissivity, ice_emissivity, |
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#ifdef ALLOW_FORMULA_AIM |
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& FWIND0, CHS, VGUST, DTHETA, dTstab, FSTAB, |
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#endif |
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& ocean_albedo |
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|
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C-- COMMON / BULK_PAR_I / Integer parameters |
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C blk_nIter :: Number of iterations to find turbulent transfer coeff. |
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|
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INTEGER blk_nIter |
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COMMON / BULK_PAR_I / |
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& blk_nIter |
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|
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C-- COMMON / BULK_PAR_R / real parameter |
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C blk_taveFreq :: time-average output frequency [s] |
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|
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_RL blk_taveFreq |
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COMMON / BULK_PAR_R / |
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& blk_taveFreq |
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|
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C-- COMMON / BULK_PAR_L / Logical parameters |
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C .. for BULKF_FORMULA_AIM |
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C calcWindStress :: True to calculate Wind-Stress from surface wind |
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C useFluxFormula_AIM :: set to T when using AIM flux formula rather |
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C than the default formula (LANL) |
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|
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LOGICAL calcWindStress |
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LOGICAL useFluxFormula_AIM |
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LOGICAL useQnetch, useEmPch |
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COMMON / BULK_PAR_L / |
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& calcWindStress, |
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& useFluxFormula_AIM, |
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& useQnetch, useEmPch |
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|
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C-- COMMON / BULK_PAR_C / Character string parameters |
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|
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CHARACTER*(MAX_LEN_FNAM) AirTempFile |
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CHARACTER*(MAX_LEN_FNAM) AirHumidityFile |
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CHARACTER*(MAX_LEN_FNAM) RainFile |
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CHARACTER*(MAX_LEN_FNAM) SolarFile |
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CHARACTER*(MAX_LEN_FNAM) LongwaveFile |
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CHARACTER*(MAX_LEN_FNAM) UWindFile |
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CHARACTER*(MAX_LEN_FNAM) VWindFile |
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CHARACTER*(MAX_LEN_FNAM) WSpeedFile |
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CHARACTER*(MAX_LEN_FNAM) RunoffFile |
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CHARACTER*(MAX_LEN_FNAM) QnetFile |
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CHARACTER*(MAX_LEN_FNAM) EmPFile |
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CHARACTER*(MAX_LEN_FNAM) CloudFile |
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CHARACTER*(MAX_LEN_FNAM) SnowFile |
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CHARACTER*(MAX_LEN_FNAM) airPotTempFile |
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COMMON / BULK_PAR_C / |
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& AirTempFile, AirHumidityFile, RainFile, |
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& SolarFile, LongwaveFile, UWindFile, VWindFile, |
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& WSpeedFile, RunoffFile, |
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& QnetFile, EmPFile, CloudFile, SnowFile, |
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& airPotTempFile |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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#endif /*ALLOW_BULK_FORCE*/ |
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