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C $Header: /u/gcmpack/MITgcm/pkg/aim_v23/phy_inphys.F,v 1.3 2004/03/11 14:33:19 jmc Exp $ |
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C $Name: $ |
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|
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#include "AIM_OPTIONS.h" |
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|
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SUBROUTINE INPHYS (HSG, myThid) |
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|
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IMPLICIT NONE |
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|
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C-- |
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C-- SUBROUTINE INPHYS (HSG,PPL,RLAT) |
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C-- |
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C-- Purpose: Initialize common blocks for physical parametrization routines |
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C-- Input : HSG : sigma at half levels |
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C-- PPL : pressure levels for post-processing |
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C-- RLAT : gaussian-grid latitudes |
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C-- Initialized common blocks: PHYCON, FSIGLT, FORCON, |
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C-- CNVCON, LSCCON, RADCON, SFLCON, VDICON |
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C-- |
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C Resolution parameters |
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|
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C-- size for MITgcm & Physics package : |
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#include "AIM_SIZE.h" |
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|
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#include "GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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|
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c #include "AIM_GRID.h" |
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|
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C Physical constants + functions of sigma and latitude |
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|
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#include "com_physcon.h" |
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C Constants for sub-grid-scale physics |
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|
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#include "com_forcon.h" |
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#include "com_cnvcon.h" |
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#include "com_lsccon.h" |
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#include "com_radcon.h" |
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#include "com_sflcon.h" |
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#include "com_vdicon.h" |
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|
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C == Routine Arguments == |
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INTEGER myThid |
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c REAL HSG(0:NLEV), PPL(NLEV), RLAT(NLAT) |
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_RL HSG(0:NLEV) |
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|
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#ifdef ALLOW_AIM |
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|
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C == Local Variables == |
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INTEGER K |
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|
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_BEGIN_MASTER(myThid) |
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|
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C--- 1. Time independent parameters and arrays |
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C |
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C 1.1 Physical constants |
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|
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c P0 = 1. _d +5 |
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c GG = 9.81 _d 0 |
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c RD = 287. _d 0 |
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c CP = 1004. _d 0 |
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P0 = atm_Po |
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GG = gravity |
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RD = atm_Rd |
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CP = atm_Cp |
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C Latent heat is in J/g for consistency with spec.hum. in g/Kg |
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ALHC = 2501. _d 0 |
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ALHF = 334. _d 0 |
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SBC = 5.67 _d -8 |
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C Heat capacity of rain is also in J/g/K for the same reasons |
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c rainCP = HeatCapacity_Cp / 1000. _d 0 |
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rainCP = 4200. _d 0 / 1000. _d 0 |
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tFreeze= celsius2K |
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C |
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C 1.2 Functions of sigma and latitude |
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C |
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SIGH(0)=HSG(0) |
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C |
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DO K=1,NLEV |
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SIG(K) = 0.5*(HSG(K)+HSG(K-1)) |
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SIGL(K) = LOG(SIG(K)) |
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SIGH(K) = HSG(K) |
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DSIG(K) = HSG(K)-HSG(K-1) |
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c POUT(K) = PPL(K) |
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GRDSIG(K) = GG/(DSIG(K)*P0) |
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GRDSCP(K) = GRDSIG(K)/CP |
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ENDDO |
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C |
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C Weights for vertical interpolation at half-levels(1,nlev) and surface |
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C Note that for phys.par. half-lev(k) is between full-lev k and k+1 |
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C Fhalf(k) = Ffull(k)+WVI(K,2)*(Ffull(k+1)-Ffull(k)) |
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C Fsurf = Ffull(nlev)+WVI(nlev,2)*(Ffull(nlev)-Ffull(nlev-1)) |
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C |
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DO K=1,NLEV-1 |
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WVI(K,1)=1./(SIGL(K+1)-SIGL(K)) |
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WVI(K,2)=(LOG(SIGH(K))-SIGL(K))*WVI(K,1) |
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ENDDO |
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C |
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WVI(NLEV,1)=0. |
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WVI(NLEV,2)=-SIGL(NLEV)*WVI(NLEV-1,2) |
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|
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c--- jmc: write WVI to check: |
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WRITE(standardMessageUnit,'(A)') |
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& '- INPHYS: k,SIG, SIGH, SIGL, WVI(1), WVI(2):' |
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DO K=1,NLEV |
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WRITE(standardMessageUnit,'(I3,6F9.4)') |
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& k,SIG(k),SIGH(k),SIGL(k),WVI(K,1),WVI(K,2) |
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ENDDO |
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WRITE(standardMessageUnit,'(A)') '- INPHYS: end setup WVI.' |
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c--- jmc. |
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|
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c- jmc: initialize SLAT & CLAT in aim_dyn2aim.F |
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c DO J=1,NLAT |
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c SLAT(J)=SIN(RLAT(J)) |
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c CLAT(J)=COS(RLAT(J)) |
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c ENDDO |
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|
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C-- 2. Constants for physical parametrization routines: |
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|
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c_FM include "cls_inphys.h" |
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#include "phy_const.h" |
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|
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C- pot. temp. increment for computing stability function derivative |
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C note: use the discrete form: F(Ts+dTstab)-F(Ts-dTstab)/2.dTstab |
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dTstab = 1. _d 0 |
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|
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_END_MASTER(myThid) |
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#endif /* ALLOW_AIM */ |
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|
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RETURN |
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END |