C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/land/land_readparms.F,v 1.10 2006/06/23 00:49:27 jmc Exp $ C $Name: $ #include "LAND_OPTIONS.h" CBOP C !ROUTINE: LAND_READPARMS C !INTERFACE: SUBROUTINE LAND_READPARMS( myThid ) C !DESCRIPTION: \bv C *==========================================================* C | S/R LAND_READPARMS C | o Read Land package parameters C *==========================================================* C \ev C !USES: IMPLICIT NONE C == Global variables === C-- size for MITgcm & Land package : #include "LAND_SIZE.h" #include "EEPARAMS.h" #include "PARAMS.h" #include "LAND_PARAMS.h" #ifdef ALLOW_MNC #include "MNC_PARAMS.h" #endif C !INPUT/OUTPUT PARAMETERS: C == Routine Arguments == C myThid :: Number of this instance INTEGER myThid CEOP #ifdef ALLOW_LAND C Functions INTEGER ILNBLNK C == Local Variables == C msgBuf :: Informational/error meesage buffer C iUnit :: Work variable for IO unit number C k :: loop counter C iL :: Work variable for length of file-name CHARACTER*(MAX_LEN_MBUF) msgBuf INTEGER iUnit, k, iL _RL tmpvar C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| C-- Land model parameters: C land_calc_grT :: step forward ground Temperature C land_calc_grW :: step forward soil moiture C land_impl_grT :: solve ground Temperature implicitly C land_calc_snow :: step forward snow thickness C land_calc_alb :: compute albedo of snow over land C land_oldPickup :: restart from an old pickup (= before checkpoint 52j) C land_grT_iniFile :: File containing initial ground Temp. C land_grW_iniFile :: File containing initial ground Water. C land_snow_iniFile :: File containing initial snow thickness. C land_deltaT :: land model time-step C land_taveFreq :: Frequency^-1 for time-Aver. output (s) C land_diagFreq :: Frequency^-1 for diagnostic output (s) C land_monFreq :: Frequency^-1 for monitor output (s) C land_dzF :: layer thickness NAMELIST /LAND_MODEL_PAR/ & land_calc_grT, land_calc_grW, & land_impl_grT, land_calc_snow, & land_calc_alb, land_oldPickup, & land_grT_iniFile, land_grW_iniFile, land_snow_iniFile, & land_deltaT, land_taveFreq, land_diagFreq, land_monFreq, & land_dzF, & land_timeave_mnc, land_snapshot_mnc, land_mon_mnc, & land_pickup_write_mnc, land_pickup_read_mnc C-- Physical constants : C land_grdLambda :: Thermal conductivity of the ground C land_heatCs :: Heat capacity of dry soil (J/m3/K) C land_CpWater :: Heat capacity of water (J/kg/K) C land_wTauDiff :: soil moisture diffusion time scale C land_waterCap :: field capacity per meter of soil C land_fractRunOff:: fraction of water in excess which run-off C land_rhoLiqW :: density of liquid water (kg/m3) C land_rhoSnow :: density of snow (kg/m3) C land_Lfreez :: Latent heat of freezing (J/kg) C land_hMaxSnow :: Maximum snow-thickness (m) C diffKsnow :: thermal conductivity of snow (W/m/K) C timeSnowAge :: snow aging time scale (s) C hNewSnowAge :: new snow thickness that refresh the snow-age (by 1/e) C albColdSnow :: albedo of cold (=dry) new snow (Tsfc < -10) C albWarmSnow :: albedo of warm (=wet) new snow (Tsfc = 0) C albOldSnow :: albedo of old snow (snowAge > 35.d) C hAlbSnow :: snow thickness for albedo transition: snow/ground NAMELIST /LAND_PHYS_PAR/ & land_grdLambda, land_heatCs, land_CpWater, & land_wTauDiff, land_waterCap, land_fractRunOff, & land_rhoLiqW, & land_rhoSnow, land_Lfreez, & land_hMaxSnow, diffKsnow, timeSnowAge, hNewSnowAge, & albColdSnow, albWarmSnow, albOldSnow, hAlbSnow C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| C- Set default value: land_calc_grT = .TRUE. land_calc_grW = .TRUE. land_impl_grT = .TRUE. land_calc_snow= .TRUE. land_calc_alb = .TRUE. land_oldPickup= .FALSE. land_grT_iniFile = ' ' land_grW_iniFile = ' ' land_snow_iniFile= ' ' land_deltaT = deltaTclock land_taveFreq = taveFreq land_diagFreq = dumpFreq land_monFreq = monitorFreq #ifdef ALLOW_MNC land_timeave_mnc = timeave_mnc .AND. useMNC land_snapshot_mnc = snapshot_mnc .AND. useMNC land_mon_mnc = monitor_mnc .AND. useMNC land_pickup_write_mnc = pickup_write_mnc .AND. useMNC land_pickup_read_mnc = pickup_read_mnc .AND. useMNC #else land_timeave_mnc = .FALSE. land_snapshot_mnc = .FALSE. land_mon_mnc = .FALSE. land_pickup_write_mnc = .FALSE. land_pickup_read_mnc = .FALSE. #endif land_grdLambda= 0.42 _d 0 land_heatCs = 1.13 _d 6 land_CpWater = 4.2 _d 3 c land_CpWater = HeatCapacity_Cp land_wTauDiff = 48. _d 0*3600. _d 0 land_waterCap = 0.24 _d 0 land_fractRunOff = 0.5 _d 0 land_rhoLiqW = rhoConstFresh C- snow parameters: land_rhoSnow = 330. _d 0 land_Lfreez = 334. _d 3 land_hMaxSnow = 1. _d 3 diffKsnow = 0.30 _d 0 timeSnowAge = 50. _d 0 * 86400. _d 0 hNewSnowAge = 2. _d -3 albColdSnow = 0.85 _d 0 albWarmSnow = 0.70 _d 0 albOldSnow = 0.55 _d 0 hAlbSnow = 0.30 _d 0 C- layer thickness: DO k=1,land_nLev land_dzF(k) = -1. land_rec_dzC(k) = -1. ENDDO _BEGIN_MASTER(myThid) WRITE(msgBuf,'(A)') ' LAND_READPARMS: opening data.land' CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) CALL OPEN_COPY_DATA_FILE( 'data.land', 'LAND_READPARMS', O iUnit, myThid ) C-- Read parameters from open data file: C- Parameters for Land model: READ(UNIT=iUnit,NML=LAND_MODEL_PAR) C- Physical Constants for Land package READ(UNIT=iUnit,NML=LAND_PHYS_PAR) WRITE(msgBuf,'(A)') & ' LAND_READPARMS: finished reading data.land' CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) C-- Close the open data file CLOSE(iUnit) C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| C- derive other parameters: land_impl_grT = land_calc_grT .AND. land_impl_grT tmpvar = 0. _d 0 DO k=1,land_nLev tmpvar = tmpvar+land_dzF(k) IF (tmpvar.GT.0. _d 0) land_rec_dzC(k) = 2. _d 0 / tmpvar tmpvar = land_dzF(k) ENDDO IF ( land_Lfreez.NE. 0. _d 0 ) THEN recip_Lfreez = 1. _d 0 / land_Lfreez ELSE recip_Lfreez = 0. _d 0 ENDIF C-- Check parameters and model configuration IF ( land_nLev.NE.2 .AND. land_impl_grT ) THEN WRITE(msgBuf,'(2A,I3)') 'LAND_READPARMS: ', & ' land_impl_grT=.T. but land_nLev=',land_nLev CALL PRINT_ERROR( msgBuf, myThid) WRITE(msgBuf,'(A)') & 'Implicit scheme only implemented for 2 levels land Temp' CALL PRINT_ERROR( msgBuf, myThid) STOP 'ABNORMAL END: S/R LAND_READPARMS' ENDIF C- If land_taveFreq is positive, then must compile the land-diagnostics code #ifndef ALLOW_LAND_TAVE IF (land_taveFreq.GT.0.) THEN WRITE(msgBuf,'(2A)') 'LAND_READPARMS:', & ' land_taveFreq > 0 but ALLOW_LAND_TAVE undefined' CALL PRINT_ERROR( msgBuf, myThid) WRITE(msgBuf,'(2A)') 'Re-compile setting: ', & '#define ALLOW_LAND_TAVE (in LAND_OPTIONS.h)' CALL PRINT_ERROR( msgBuf, myThid) STOP 'ABNORMAL END: S/R LAND_READPARMS' ENDIF #endif /* ALLOW_LAND_TAVE */ C- If land_monFreq is > 0, then must compile the monitor pkg #ifndef ALLOW_MONITOR IF (land_monFreq.GT.0.) THEN WRITE(msgBuf,'(2A)') 'LAND_READPARMS:', & ' land_monFreq > 0 but ALLOW_MONITOR undefined' CALL PRINT_ERROR( msgBuf, myThid) WRITE(msgBuf,'(2A)') & 'Re-compile with pkg monitor (in packages.conf)' CALL PRINT_ERROR( msgBuf, myThid) STOP 'ABNORMAL END: S/R LAND_READPARMS' ENDIF #endif /* ALLOW_MONITOR */ #ifdef ALLOW_MNC land_timeave_mnc = useMNC .AND. land_timeave_mnc land_snapshot_mnc = useMNC .AND. land_snapshot_mnc land_mon_mnc = useMNC .AND. land_mon_mnc land_pickup_write_mnc = useMNC .AND. land_pickup_write_mnc land_pickup_read_mnc = useMNC .AND. land_pickup_read_mnc land_timeave_mdsio = (.NOT.land_timeave_mnc) & .OR. outputTypesInclusive land_snapshot_mdsio = (.NOT.land_snapshot_mnc) & .OR. outputTypesInclusive land_mon_stdio = (.NOT.land_mon_mnc) & .OR. outputTypesInclusive land_pickup_write_mdsio = (.NOT.land_pickup_write_mnc) & .OR. outputTypesInclusive #else land_timeave_mnc = .FALSE. land_snapshot_mnc = .FALSE. land_mon_mnc = .FALSE. land_pickup_write_mnc = .FALSE. land_pickup_read_mnc = .FALSE. land_timeave_mdsio = .TRUE. land_snapshot_mdsio = .TRUE. land_mon_stdio = .TRUE. land_pickup_write_mdsio = .TRUE. #endif C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| C-- Print out parameter values : iUnit = standardMessageUnit WRITE(msgBuf,'(A)') ' ' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) WRITE(msgBuf,'(A)') '// ===================================' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) WRITE(msgBuf,'(A)') '// Land package parameters :' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) WRITE(msgBuf,'(A)') '// ===================================' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) C- namelist LAND_MODEL_PAR: CALL WRITE_0D_L( land_calc_grT, INDEX_NONE, & 'land_calc_grT =', & ' /* step forward ground Temp. on/off flag */') CALL WRITE_0D_L( land_calc_grW, INDEX_NONE, & 'land_calc_grW =', & ' /* step forward soil moiture on/off flag */') CALL WRITE_0D_L( land_impl_grT, INDEX_NONE, & 'land_impl_grT =', & ' /* solve ground temperature implicitly */') CALL WRITE_0D_L( land_calc_snow, INDEX_NONE, & 'land_calc_snow =', & ' /* step forward snow thickness */') CALL WRITE_0D_L( land_calc_alb, INDEX_NONE, & 'land_calc_alb =', & ' /* compute land+snow albedo */') iL = ILNBLNK( land_grT_iniFile ) c IF ( iL.EQ.LEN(land_grT_iniFile) ) iL=0 IF ( iL.GE.1 ) THEN WRITE(msgBuf,'(A,A)') 'land_grT_iniFile = ', & '/* Initial ground-Temp Input-File */' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) WRITE(msgBuf,'(16X,A)') land_grT_iniFile(1:iL) CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) msgBuf=' ;' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) ENDIF iL = ILNBLNK( land_grW_iniFile ) IF ( iL.GE.1 ) THEN WRITE(msgBuf,'(A,A)') 'land_grW_iniFile = ', & '/* Initial soil-Water Input-File */' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) WRITE(msgBuf,'(16X,A)') land_grW_iniFile(1:iL) CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) msgBuf=' ;' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) ENDIF iL = ILNBLNK( land_snow_iniFile ) IF ( iL.GE.1 ) THEN WRITE(msgBuf,'(A,A)') 'land_snow_iniFile= ', & '/* Initial snow thickness Input-File */' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) WRITE(msgBuf,'(16X,A)') land_grW_iniFile(1:iL) CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) msgBuf=' ;' CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,1) ENDIF CALL WRITE_0D_R8( land_deltaT, INDEX_NONE,'land_deltaT =', & ' /* land model Time-Step (s) */') CALL WRITE_0D_R8( land_taveFreq, INDEX_NONE,'land_taveFreq =', & ' /* Frequency^-1 for time-Aver. output (s) */') CALL WRITE_0D_R8( land_diagFreq, INDEX_NONE,'land_diagFreq =', & ' /* Frequency^-1 for diagnostic output (s) */') CALL WRITE_0D_R8( land_diagFreq, INDEX_NONE,'land_monFreq =', & ' /* Frequency^-1 for monitor output (s) */') CALL WRITE_1D_R8( land_dzF,land_nLev, INDEX_K,'land_dzF = ', & ' /* layer thickness ( m ) */') CALL WRITE_1D_R8(land_rec_dzC,land_nLev,INDEX_K,'land_rec_dzC= ' & ,' /* recip. vertical spacing (m-1) */') CALL WRITE_0D_L( land_timeave_mdsio, INDEX_NONE, & 'land_timeave_mdsio =',' /* use MDSIO for Tave output */') CALL WRITE_0D_L( land_timeave_mnc, INDEX_NONE, & 'land_timeave_mnc =',' /* use MNC for Tave output */') CALL WRITE_0D_L( land_snapshot_mdsio, INDEX_NONE, & 'land_snapshot_mdsio =', & ' /* use MDSIO for snapshot output */') CALL WRITE_0D_L( land_snapshot_mnc, INDEX_NONE, & 'land_snapshot_mnc =',' /* use MNC for snapshot output */') CALL WRITE_0D_L( land_mon_stdio, INDEX_NONE, & 'land_mon_stdio =',' /* use STDOUT for monitor output */') CALL WRITE_0D_L( land_mon_mnc, INDEX_NONE, & 'land_mon_mnc =',' /* use MNC for monitor output */') CALL WRITE_0D_L( land_pickup_write_mnc, INDEX_NONE, & 'land_pickup_write_mnc =', & ' /* use MNC for writing pickups */') CALL WRITE_0D_L( land_pickup_read_mnc, INDEX_NONE, & 'land_pickup_read_mnc =', & ' /* use MNC for reading pickups */') C- namelist LAND_PHYS_PAR: CALL WRITE_0D_R8(land_grdLambda,INDEX_NONE,'land_grdLambda =', & ' /* Thermal conductivity of the ground (W/m/K)*/') CALL WRITE_0D_R8( land_heatCs,INDEX_NONE,'land_heatCs =', & ' /* Heat capacity of dry soil (J/m3/K) */') CALL WRITE_0D_R8( land_CpWater,INDEX_NONE,'land_CpWater =', & ' /* Heat capacity of water (J/kg/K) */') CALL WRITE_0D_R8( land_wTauDiff,INDEX_NONE,'land_wTauDiff =', & ' /* soil moisture diffusion time scale (s) */') CALL WRITE_0D_R8( land_waterCap,INDEX_NONE,'land_waterCap =', & ' /* field capacity per meter of soil (1) */') CALL WRITE_0D_R8(land_fractRunOff,INDEX_NONE,'land_fractRunOff=' & ,' /* fraction of water in excess which run-off */') CALL WRITE_0D_R8(land_rhoLiqW,INDEX_NONE,'land_rhoLiqW =', & ' /* density of liquid water (kg/m3) */') CALL WRITE_0D_R8(land_rhoSnow,INDEX_NONE,'land_rhoSnow =', & ' /* density of snow (kg/m3) */') CALL WRITE_0D_R8(land_Lfreez,INDEX_NONE,'land_Lfreez =', & ' /* Latent heat of freezing (J/kg) */') CALL WRITE_0D_R8(land_hMaxSnow,INDEX_NONE,'land_hMaxSnow =', & ' /* maximum snow-thickness (m) */') CALL WRITE_0D_R8(diffKsnow,INDEX_NONE,'diffKsnow =', & ' /* thermal conductivity of snow (W/m/K) */') CALL WRITE_0D_R8(timeSnowAge,INDEX_NONE,'timeSnowAge =', & ' /* snow aging time scale (s) */') CALL WRITE_0D_R8(hNewSnowAge,INDEX_NONE,'hNewSnowAge =', & ' /* new snow thickness to refresh snow-age by 1/e */') CALL WRITE_0D_R8(albColdSnow,INDEX_NONE,'albColdSnow =', & ' /* albedo of cold (=dry) new snow */') CALL WRITE_0D_R8(albWarmSnow,INDEX_NONE,'albWarmSnow =', & ' /* albedo of warm (=wet) new snow */') CALL WRITE_0D_R8(albOldSnow, INDEX_NONE,'albOldSnow =', & ' /* albedo of old snow (snowAge >35.d)*/') CALL WRITE_0D_R8(hAlbSnow, INDEX_NONE,'hAlbSnow =', & ' /* snow depth for albedo transition */') C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| _END_MASTER(myThid) C-- Everyone else must wait for the parameters to be loaded _BARRIER #endif /* ALLOW_LAND */ RETURN END