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C $Header: /u/gcmpack/MITgcm/pkg/atm2d/calc_1dto2d.F,v 1.4 2007/11/19 22:57:31 jscott Exp $ |
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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 CALC_1DTO2D( myThid ) |
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C *==========================================================* |
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C | - Takes 1D atmos data, regrid to 2D ocean grid. This | |
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C | involves totalling runoff into bands and redistributing| |
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C | and using derivates dF/dT and dH/dT to compute | |
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C | local variations in evap and heat flux. | |
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C *==========================================================* |
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IMPLICIT NONE |
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|
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#include "ATMSIZE.h" |
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#include "SIZE.h" |
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#include "GRID.h" |
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#include "EEPARAMS.h" |
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|
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C === Global SeaIce Variables === |
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#include "THSICE_VARS.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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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C myThid - Thread no. that called this routine. |
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INTEGER myThid |
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|
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C LOCAL VARIABLES: |
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INTEGER i,j ! loop counters across ocean grid |
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INTEGER ib,ibj1,ibj2 ! runoff band variables |
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_RL run_b(sNy) ! total runoff in a band |
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_RL fv_toC ! meridional wind stress for ocean C-grid pt |
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|
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CALL INIT_2DFLD(myThid) |
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|
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C Accumulate runoff into bands (runoff bands are on the ocean grid) |
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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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run_b(ib)=0. _d 0 |
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DO j=ibj1,ibj2 |
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run_b(ib)=run_b(ib) + |
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& atm_runoff(atm_oc_ind(j))*atm_oc_frac1(j) + |
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& atm_runoff(atm_oc_ind(j)+1)*atm_oc_frac2(j) |
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ENDDO |
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ENDDO |
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|
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DO j=1,sNy |
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|
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C do a linear interpolation from atmos data to get tauv |
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fv_toC = atm_tauv(tauv_jpt(j)) * tauv_jwght(j) + |
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& atm_tauv(tauv_jpt(j)+1) * (1. _d 0 - tauv_jwght(j)) |
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|
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DO i=1,sNx |
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|
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IF (maskC(i,j,1,1,1).EQ.1.) THEN |
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|
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runoff_2D(i,j) = run_b(runIndex(j)) * |
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& runoffVal(i,j)/rA(i,j,1,1) |
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|
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CALL CALC_WGHT2D(i,j,atm_oc_ind(j),atm_oc_wgt(j)) |
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|
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IF (atm_oc_wgt(j).LT.1. _d 0) |
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& CALL CALC_WGHT2D(i, j, atm_oc_ind(j)+1, |
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& 1. _d 0-atm_oc_wgt(j)) |
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|
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fv_2D(i,j) = fv_toC |
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|
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C Tabulate following diagnostic fluxes from atmos model only |
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qnet_atm(i,j)= qnet_atm(i,j) + |
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& qneti_2D(i,j)*dtatmo*iceMask(i,j,1,1) + |
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& qneto_2D(i,j)*dtatmo*(1. _d 0-iceMask(i,j,1,1)) |
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evap_atm(i,j)= evap_atm(i,j) + |
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& evapi_2D(i,j)*dtatmo*iceMask(i,j,1,1) + |
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& evapo_2D(i,j)*dtatmo*(1. _d 0-iceMask(i,j,1,1)) |
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precip_atm(i,j)= precip_atm(i,j) + |
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& precipi_2D(i,j)*dtatmo*iceMask(i,j,1,1) + |
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& precipo_2D(i,j)*dtatmo*(1. _d 0-iceMask(i,j,1,1)) |
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runoff_atm(i,j)= runoff_atm(i,j) + |
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& runoff_2D(i,j)*dtatmo |
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ENDIF |
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|
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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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|
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|
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C-------------------------------------------------------------------------- |
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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 CALC_WGHT2D( i, j, ind, wgt) |
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C *==========================================================* |
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C | Use atmos grid cell 1D value and weight to convert to 2D.| |
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C | Variations from zonal mean computed used derivative dH/dT| |
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C | and dF/dT for heat flux and evap terms. | |
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C | | |
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C | Fluxes/values over seaice computed only if seaice present| |
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C *==========================================================* |
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IMPLICIT NONE |
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|
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#include "ATMSIZE.h" |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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|
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C === Global SeaIce Variables === |
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#include "THSICE_VARS.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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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C i,j - coordinates of point on ocean grid |
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C ind - index into the atmos grid array |
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C wght - weight of this atmos cell for total |
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INTEGER i, j |
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INTEGER ind |
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_RL wgt |
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|
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precipo_2D(i,j)= precipo_2D(i,j) + atm_precip(ind)*wgt |
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solarnet_ocn_2D(i,j)=solarnet_ocn_2D(i,j) + atm_solar_ocn(ind)*wgt |
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slp_2D(i,j)= slp_2D(i,j) + atm_slp(ind)*wgt |
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pCO2_2D(i,j)= pCO2_2D(i,j) + atm_pco2(ind)*wgt |
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wspeed_2D(i,j)= wspeed_2D(i,j) + atm_windspeed(ind)*wgt |
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fu_2D(i,j)= fu_2D(i,j) + atm_tauu(ind)*wgt |
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|
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qneto_2D(i,j)= qneto_2D(i,j) + atm_qnet_ocn(ind)*wgt |
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evapo_2D(i,j)= evapo_2D(i,j) + atm_evap_ocn(ind)*wgt |
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IF (evapo_2D(i,j).GT.0. _d 0) THEN !convert negative evap. to precip |
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precipo_2D(i,j)= precipo_2D(i,j) - evapo_2D(i,j) |
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evapo_2D(i,j)=0. _d 0 |
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ENDIF |
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|
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IF (iceMask(i,j,1,1) .GT. 0. _d 0) THEN |
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qneti_2D(i,j)= qneti_2D(i,j) + atm_qnet_ice(ind)*wgt |
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precipi_2D(i,j)= precipi_2D(i,j) + atm_precip(ind)*wgt |
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evapi_2D(i,j)= evapi_2D(i,j) + atm_evap_ice(ind)*wgt |
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IF (evapi_2D(i,j).GT.0. _d 0) THEN !convert negative evap. to precip |
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precipi_2D(i,j)= precipi_2D(i,j) - evapi_2D(i,j) |
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evapi_2D(i,j)=0. _d 0 |
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ENDIF |
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dFdT_ice_2D(i,j)= dFdT_ice_2D(i,j) + atm_dFdT_ice(ind)*wgt |
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Tair_2D(i,j)= Tair_2D(i,j) + atm_Tair(ind)*wgt |
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solarinc_2D(i,j)= solarinc_2D(i,j) + atm_solarinc(ind)*wgt |
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ENDIF |
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|
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IF (useAltDeriv) THEN |
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qneto_2D(i,j)= qneto_2D(i,j) + atm_dFdt_ocnq(ind)* |
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& (sstFromOcn(i,j)-ctocn(ind))*wgt |
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evapo_2D(i,j)= evapo_2D(i,j) + atm_dLdt_ocnq(ind)* |
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& (sstFromOcn(i,j)-ctocn(ind))*wgt |
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IF (iceMask(i,j,1,1) .GT. 0. _d 0) THEN |
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qneti_2D(i,j)=qneti_2D(i,j)+atm_dFdt_iceq(ind)* |
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& (Tsrf(i,j,1,1)-ctice(ind))*wgt |
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evapi_2D(i,j)=evapi_2D(i,j)+atm_dLdt_iceq(ind)* |
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& (Tsrf(i,j,1,1)-ctice(ind))*wgt |
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ENDIF |
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ELSE |
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qneto_2D(i,j)= qneto_2D(i,j) + atm_dFdt_ocn(ind)* |
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& (sstFromOcn(i,j)-ctocn(ind))*wgt |
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evapo_2D(i,j)= evapo_2D(i,j) + atm_dLdt_ocn(ind)* |
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& (sstFromOcn(i,j)-ctocn(ind))*wgt |
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IF (iceMask(i,j,1,1) .GT. 0. _d 0) THEN |
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qneti_2D(i,j)= qneti_2D(i,j) + atm_dFdt_ice(ind)* |
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& (Tsrf(i,j,1,1)-ctice(ind))*wgt |
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evapi_2D(i,j)= evapi_2D(i,j)+atm_dLdt_ice(ind)* |
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& (Tsrf(i,j,1,1)-ctice(ind))*wgt |
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ENDIF |
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ENDIF |
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|
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|
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RETURN |
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END |
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|
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C-------------------------------------------------------------------------- |
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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_2DFLD( myThid) |
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C *==========================================================* |
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C | Zero out the 2D fields; called prior to doing any of the | |
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C | 1D->2D calculation. | |
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C *==========================================================* |
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IMPLICIT NONE |
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|
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#include "ATMSIZE.h" |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "ATM2D_VARS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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C myThid - Thread no. that called this routine. |
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INTEGER myThid |
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|
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C LOCAL VARIABLES: |
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INTEGER i,j |
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|
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DO i=1,sNx |
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DO j=1,sNy |
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|
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precipo_2D(i,j)= 0. _d 0 |
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precipi_2D(i,j)= 0. _d 0 |
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solarnet_ocn_2D(i,j)= 0. _d 0 |
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slp_2D(i,j)= 0. _d 0 |
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pCO2_2D(i,j)= 0. _d 0 |
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wspeed_2D(i,j)= 0. _d 0 |
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fu_2D(i,j)= 0. _d 0 |
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fv_2D(i,j)= 0. _d 0 |
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qneto_2D(i,j)= 0. _d 0 |
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evapo_2D(i,j)= 0. _d 0 |
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qneti_2D(i,j)= 0. _d 0 |
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evapi_2D(i,j)= 0. _d 0 |
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dFdT_ice_2D(i,j)= 0. _d 0 |
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Tair_2D(i,j)= 0. _d 0 |
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solarinc_2D(i,j)= 0. _d 0 |
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runoff_2D(i,j)= 0. _d 0 |
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|
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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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