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C $Header: $ |
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C $Name: $ |
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|
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#include "ctrparam.h" |
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#include "ATM2D_OPTIONS.h" |
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|
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C !INTERFACE: |
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SUBROUTINE INIT_ATM2D(dtatm, dtocn, dtcouple, myThid ) |
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C *==========================================================* |
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C | INIT_1DTO2D | |
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C | This initialization routine should be run after the | |
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c | the ocean grid/pickup have been read in. | |
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c | | |
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c | Note: grid variable indices bi,bj are hard-coded 1,1 | |
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c | This should work if coupler or atmos/coupler on one | |
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c | machine. | |
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c | | |
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C *==========================================================* |
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c |
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IMPLICIT NONE |
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|
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C === Global Atmosphere Variables === |
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#include "ATMSIZE.h" |
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#include "AGRID.h" |
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|
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C === Global Ocean Variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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|
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C === Global SeaIce Parameters === |
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#include "THSICE_PARAMS.h" |
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|
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C === Atmos/Ocean/Seaice Interface Variables === |
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#include "ATM2D_VARS.h" |
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|
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C dtatm, dtocn, dtcouple - Timesteps from couple.nml (hours) |
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C myThid - Thread no. that called this routine. |
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INTEGER dtatm, dtocn, dtcouple |
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INTEGER myThid |
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|
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C LOCAL VARIABLES: |
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INTEGER i,j,jj |
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INTEGER ib, ibj1, ibj2 ! runoff band loop counters |
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INTEGER j_atm, mn |
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INTEGER dUnit |
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_RL end1, end2, enda1, enda2, enda3 !used to compute grid conv areas |
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_RL totrun_b(sNy) ! total file "runoff" in runoff bands |
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_RL a1,a2 |
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_RS atm_dyG(jm0) ! southern point/(boundary) of atmos grid |
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DATA atm_dyG/2.0,44*4.0,2.0/ ! grid spacing for atmosphere |
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|
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dtatmo = dtatm * 3600. |
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dtocno = dtocn * 3600. |
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dtcouplo= dtcouple * 3600. |
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|
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C override data.ice seaice time step parms |
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C these will need to change if coupling procedure changed |
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thSice_deltaT = dtcouplo |
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thsIce_dtTemp = dtatmo |
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ocean_deltaT = dtcouplo |
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|
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CJRS This next check - only kill it if not MPI? |
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IF (dtocno.NE.dTtracerLev(1)) THEN |
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PRINT *,'Ocean tracer timestep differs between coupler ' |
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PRINT *,'and the ocean data file' |
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STOP |
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ENDIF |
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|
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c Assuming the atmospheric grid array not passed, do this: |
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atm_yG(1)=-90.0 |
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DO j_atm=2,jm0 |
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atm_yG(j_atm)=atm_yG(j_atm-1)+atm_dyG(j_atm-1) |
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atm_yC(j_atm-1)=(atm_yG(j_atm-1)+atm_yG(j_atm))/2.0 |
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ENDDO |
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atm_yC(jm0)=atm_yG(jm0)+atm_dyG(jm0)/2.0 |
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|
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c end atmos grid initialization |
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|
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atm_oc_ind(1)=2 |
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atm_oc_wgt(1)=1. _d 0 |
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atm_oc_frac1(1)= (sin(yG(1,2,1,1)*deg2rad) - |
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& sin(yG(1,1,1,1)*deg2rad))/ |
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& (sin(atm_yG(3)*deg2rad)-sin(atm_yG(1)*deg2rad)) |
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atm_oc_frac2(1)= 0. _d 0 ! assumes ocean(1) fits in atm(1) |
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atm_oc_ind(sNy)=jm0-1 |
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atm_oc_wgt(sNy)=1. _d 0 |
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atm_oc_frac1(sNy)= (sin((yG(1,sNy,1,1) + |
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& dyG(1,sNy,1,1)/6.37D6/deg2rad)*deg2rad)- |
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& sin(yG(1,sNy,1,1)*deg2rad))/ |
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& (sin((atm_yG(jm0)+atm_dyG(jm0))*deg2rad)- |
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& sin(atm_yG(jm0-1)*deg2rad)) |
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atm_oc_frac2(sNy)= 0. _d 0 ! assumes ocean(1) fits in atm(1) |
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|
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endwgt1 = sin(atm_yG(2)*deg2rad) !hard-coded that the atmos |
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endwgt2 = sin(atm_yG(3)*deg2rad) - endwgt1 !grid is same in NH and SH |
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endwgt1 = endwgt1 + 1. _d 0 !and goes 90S to 90N |
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rsumwgt = 1. _d 0/(endwgt1 + endwgt2) |
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|
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atm_yG(2)=atm_yG(1) ! grid now combined atm end points |
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atm_yG(jm0)=90. _d 0 |
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|
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DO j=2, sNy-1 |
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|
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DO jj=2,jm0-1 |
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IF ((yG(1,j,1,1).GE.atm_yG(jj)).AND. |
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& (yG(1,j,1,1).LT.atm_yG(jj+1))) j_atm=jj |
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ENDDO |
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|
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atm_oc_ind(j)=j_atm |
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end1= sin(yG(1,j,1,1) *deg2rad) |
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end2= sin(yG(1,j+1,1,1) *deg2rad) |
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enda1 = sin(atm_yG(j_atm) *deg2rad) |
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enda2 = sin(atm_yG(j_atm+1) *deg2rad) |
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IF ( yG(1,j+1,1,1) .GT. atm_yG(j_atm+1) ) THEN |
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enda3 = sin(atm_yG(j_atm+2) *deg2rad) |
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atm_oc_wgt(j)=(enda2-end1)/ (end2-end1) |
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atm_oc_frac1(j)= (enda2-end1) / (enda2 - enda1) |
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atm_oc_frac2(j)= (end2 - enda2) / (enda3 - enda2) |
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ELSE |
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atm_oc_wgt(j)=1. _d 0 |
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atm_oc_frac1(j)= (end2-end1)/ (enda2-enda1) |
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atm_oc_frac2(j)=0. _d 0 |
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ENDIF |
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ENDDO |
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c |
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c find land fraction |
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c |
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DO j_atm=1,jm0 |
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cflan(j_atm)=0. _d 0 |
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ocnArea(j_atm)=0. _d 0 |
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ENDDO |
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|
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DO j=1,sNy |
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DO i=1,sNx |
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IF (maskC(i,j,1,1,1).EQ.1.) THEN |
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ocnArea(atm_oc_ind(j))=ocnArea(atm_oc_ind(j)) + |
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& rA(i,j,1,1)*atm_oc_wgt(j) |
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IF (atm_oc_wgt(j).LT.1.d0) THEN |
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ocnArea(atm_oc_ind(j)+1)=ocnArea(atm_oc_ind(j)+1) + |
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& rA(i,j,1,1)*(1.d0-atm_oc_wgt(j)) |
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ENDIF |
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ENDIF |
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ENDDO |
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ENDDO |
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|
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DO j_atm=3,jm0-2 |
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cflan(j_atm)=1. _d 0 - ocnArea(j_atm) / |
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& (2. _d 0 * PI * 6.37 _d 6 * 6.37 _d 6 * |
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& (sin(atm_yG(j_atm+1)*deg2rad) - sin(atm_yG(j_atm)*deg2rad))) |
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if (cflan(j_atm).LT.1. _d -14) cflan(j_atm)=0. _d 0 |
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ENDDO |
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|
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C deal with the combined atmos grid end cells... |
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cflan(2)= 1. _d 0 - ocnArea(2) / |
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& (2. _d 0*PI*6.37 _d 6*6.37 _d 6* |
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& (sin(atm_yG(3)*deg2rad)+1. _d 0)) |
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IF (cflan(2).LT.1. _d -14) cflan(2)=0. _d 0 |
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cflan(1)=cflan(2) |
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cflan(jm0-1)= 1.d0 - ocnArea(jm0-1) / |
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& (2. _d 0*PI*6.37 _d 6*6.37 _d 6* |
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& (1. _d 0-sin(atm_yG(jm0-1)*deg2rad))) |
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IF (cflan(jm0-1).LT.1. _d -14) cflan(jm0-1)=0. _d 0 |
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cflan(jm0)=cflan(jm0-1) |
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|
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PRINT *,'Land fractions on atmospheric grid: ' |
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PRINT *, cflan |
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PRINT *,'Lookup grid index, weights:' |
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PRINT *, atm_oc_ind,atm_oc_wgt |
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C PRINT *,'Lookup fraction 1 of atmos grid:' |
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C PRINT *, atm_oc_frac1 |
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C PRINT *,'Lookup fraction 2 of atmos grid:' |
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C PRINT *, atm_oc_frac2 |
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|
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c |
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c read in mean 1D atmos wind files -- store in memory |
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c |
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DO j_atm=1,jm0 |
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DO mn=1,nForcingPer |
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atau(j_atm,mn)=0. _d 0 |
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atav(j_atm,mn)=0. _d 0 |
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awind(j_atm,mn)=0. _d 0 |
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ENDDO |
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ENDDO |
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|
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CALL MDSFINDUNIT( dUnit, myThid ) |
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|
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IF ( atmosTauuFile .NE. ' ' ) THEN |
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OPEN(dUnit, FILE=atmosTauuFile,STATUS='old', |
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& ACCESS='direct', RECL=8*jm0*nForcingPer, |
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& FORM='unformatted') |
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READ(dUnit,REC=1), atau |
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CLOSE(dUnit) |
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ENDIF |
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|
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IF ( atmosTauvFile .NE. ' ' ) THEN |
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OPEN(dUnit, FILE=atmosTauvFile, STATUS='old', |
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& ACCESS='direct', RECL=8*jm0*nForcingPer, |
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& FORM='unformatted') |
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READ(dUnit, REC=1), atav |
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CLOSE(dUnit) |
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ENDIF |
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|
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IF ( atmosWindFile .NE. ' ' ) THEN |
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OPEN(dUnit, FILE=atmosWindFile, STATUS='old', |
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& ACCESS='direct', RECL=8*jm0*nForcingPer, |
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& FORM='unformatted') |
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READ(dUnit, REC=1), awind |
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CLOSE(dUnit) |
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ENDIF |
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|
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C The polar data point values for winds are effectively N/A given the |
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C pole issue... although they are read in here, they are never used in |
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C any calculations, as the polar ocean points access the data at atmos |
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C 2 and jm0-1 points. |
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|
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|
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c read in runoff data |
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c to put runoff into specific grid cells |
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c |
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IF ( runoffMapFile .NE. ' ' ) THEN |
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CALL READ_FLD_XY_RL( runoffMapFile, ' ', |
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& runoffVal, 0, myThid ) |
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ELSE |
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DO j=1,sNy |
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DO i=1,sNx |
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if ( (maskC(i,j,1,1,1).EQ.1.) .AND. |
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& ( (maskC(i-1,j,1,1,1).EQ.0.).OR. |
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& (maskC(i+1,j,1,1,1).EQ.0.).OR. |
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& (maskC(i,j-1,1,1,1).EQ.0.).OR. |
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& (maskC(i,j+1,1,1,1).EQ.0.).OR. |
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& (maskC(i+1,j+1,1,1,1).EQ.0.).OR. |
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& (maskC(i-1,j-1,1,1,1).EQ.0.).OR. |
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& (maskC(i+1,j-1,1,1,1).EQ.0.).OR. |
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& (maskC(i-1,j+1,1,1,1).EQ.0.) ) ) THEN |
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runoffVal(i,j)=1. _d 0 |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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DO ib=1,numBands |
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ibj1=1 |
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if (ib.GT.1) ibj1= rband(ib-1)+1 |
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ibj2=sNy |
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if (ib.LT.numBands) ibj2= rband(ib) |
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totrun_b(ib)=0.d0 |
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DO j=ibj1,ibj2 |
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DO i=1,sNx |
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totrun_b(ib)=totrun_b(ib)+runoffVal(i,j)*maskC(i,j,1,1,1) |
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ENDDO |
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ENDDO |
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DO j=ibj1,ibj2 |
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runIndex(j)= ib ! for lookup of rband as fn. of latitude |
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DO i=1,sNx |
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runoffVal(i,j)=runoffVal(i,j)*maskC(i,j,1,1,1)/totrun_b(ib) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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CALL INIT_SUMVARS(myThid) |
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|
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C Initialize 1D diagnostic variables |
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DO j_atm=1,jm0 |
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DO mn=1,nForcingPer |
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sum_tauu_ta(j_atm,mn)= 0. _d 0 |
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sum_tauv_ta(j_atm,mn)= 0. _d 0 |
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sum_wsocean_ta(j_atm,mn)= 0. _d 0 |
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sum_ps4ocean_ta(j_atm,mn)= 0. _d 0 |
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ENDDO |
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ENDDO |
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|
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C Initialize 2D diagnostic variables |
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DO i=1-OLx,sNx+OLx |
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DO j=1-OLy,sNy+OLy |
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DO mn=1,nForcingPer |
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qnet_atm_ta(i,j,mn)= 0. _d 0 |
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evap_atm_ta(i,j,mn)= 0. _d 0 |
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precip_atm_ta(i,j,mn)= 0. _d 0 |
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runoff_atm_ta(i,j,mn)= 0. _d 0 |
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sum_qrel_ta(i,j,mn)= 0. _d 0 |
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sum_frel_ta(i,j,mn)= 0. _d 0 |
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sum_iceMask_ta(i,j,mn)= 0. _d 0 |
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sum_iceHeight_ta(i,j,mn)= 0. _d 0 |
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sum_iceTime_ta(i,j,mn)= 0. _d 0 |
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sum_oceMxLT_ta(i,j,mn)= 0. _d 0 |
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sum_oceMxLS_ta(i,j,mn)= 0. _d 0 |
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ENDDO |
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qnet_atm(i,j)= 0. _d 0 |
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evap_atm(i,j)= 0. _d 0 |
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precip_atm(i,j)= 0. _d 0 |
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runoff_atm(i,j)= 0. _d 0 |
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sum_qrel(i,j)= 0. _d 0 |
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sum_frel(i,j)= 0. _d 0 |
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sum_iceMask(i,j)= 0. _d 0 |
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sum_iceHeight(i,j)= 0. _d 0 |
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sum_iceTime(i,j)= 0. _d 0 |
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sum_oceMxLT(i,j)= 0. _d 0 |
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sum_oceMxLS(i,j)= 0. _d 0 |
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ENDDO |
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ENDDO |
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|
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C Initialize year-end diags and max/min seaice variables |
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SHice_min = 1. _d 18 |
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NHice_min = 1. _d 18 |
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SHice_max = 0. _d 0 |
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NHice_max = 0. _d 0 |
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sst_tave= 0. _d 0 |
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sss_tave= 0. _d 0 |
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HF2ocn_tave= 0. _d 0 |
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FW2ocn_tave= 0. _d 0 |
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CO2flx_tave= 0. _d 0 |
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OPEN(25,FILE='resocean.dat',STATUS='replace') |
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CLOSE(25) |
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|
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C Initialize following for safety and/or cold start |
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DO i=1-OLx,sNx+OLx |
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DO j=1-OLy,sNy+OLy |
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pass_runoff(i,j)= 0. _d 0 |
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pass_qnet(i,j)= 0. _d 0 |
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pass_evap(i,j)= 0. _d 0 |
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pass_precip(i,j)= 0. _d 0 |
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pass_fu(i,j)= 0. _d 0 |
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pass_fv(i,j)= 0. _d 0 |
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pass_wspeed(i,j)= 0. _d 0 |
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pass_solarnet(i,j)= 0. _d 0 |
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pass_slp(i,j)= 0. _d 0 |
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pass_siceLoad(i,j)= 0. _d 0 |
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pass_pCO2(i,j)= 0. _d 0 |
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pass_prcAtm(i,j)= 0. _d 0 |
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sFluxFromIce(i,j)= 0. _d 0 |
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ENDDO |
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ENDDO |
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|
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C Initialize following (if ocn carbon not passed) |
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DO i=1,sNx |
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DO j=1,sNy |
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oFluxCO2(i,j) = 0. _d 0 |
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ENDDO |
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ENDDO |
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|
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RETURN |
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END |
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