[2337] | 1 | MODULE init_ssrf_m |
---|
| 2 | ! |
---|
| 3 | !******************************************************************************* |
---|
| 4 | |
---|
| 5 | USE indice_sol_mod |
---|
| 6 | USE dimphy, ONLY: klon, zmasq |
---|
| 7 | USE phys_state_var_mod, ONLY: pctsrf, rlon, rlat |
---|
| 8 | USE grid_atob_m, ONLY: grille_m |
---|
| 9 | USE ioipsl, ONLY: flininfo, flinopen, flinget, flinclo |
---|
| 10 | |
---|
| 11 | CHARACTER(LEN=256), PARAMETER :: icefname="landiceref.nc", icevar="landice" |
---|
| 12 | PRIVATE |
---|
| 13 | PUBLIC :: start_init_subsurf |
---|
| 14 | include "iniprint.h" |
---|
| 15 | include "dimensions.h" |
---|
| 16 | include "paramet.h" |
---|
| 17 | include "comgeom2.h" |
---|
| 18 | include "comconst.h" |
---|
| 19 | |
---|
| 20 | CONTAINS |
---|
| 21 | |
---|
| 22 | !------------------------------------------------------------------------------- |
---|
| 23 | ! |
---|
| 24 | SUBROUTINE start_init_subsurf(known_mask) |
---|
| 25 | ! |
---|
| 26 | !------------------------------------------------------------------------------- |
---|
| 27 | ! Purpose: Subsurfaces initialization. |
---|
| 28 | !------------------------------------------------------------------------------- |
---|
| 29 | ! Comment: Called by etat0phys_netcdf ; also called by limit_netcdf in case |
---|
| 30 | ! no starting states are required (ok_etat0==.FALSE.). |
---|
| 31 | !------------------------------------------------------------------------------- |
---|
| 32 | IMPLICIT NONE |
---|
| 33 | !------------------------------------------------------------------------------- |
---|
| 34 | ! Arguments: |
---|
| 35 | LOGICAL, INTENT(IN) :: known_mask |
---|
| 36 | !------------------------------------------------------------------------------- |
---|
| 37 | ! Local variables: |
---|
| 38 | INTEGER :: iml_lic, jml_lic |
---|
| 39 | INTEGER :: fid, llm_tmp, ttm_tmp, itaul(1), ji, j |
---|
| 40 | REAL, ALLOCATABLE :: dlon_lic(:), lon_lic(:,:), fraclic (:,:) |
---|
| 41 | REAL, ALLOCATABLE :: dlat_lic(:), lat_lic(:,:), flic_tmp(:,:), vtmp(:,:) |
---|
| 42 | REAL :: date, lev(1), dt, deg2rad |
---|
| 43 | !------------------------------------------------------------------------------- |
---|
| 44 | deg2rad= pi/180.0 |
---|
| 45 | |
---|
| 46 | !--- Physical grid points coordinates |
---|
| 47 | DO j=2,jjm; rlat((j-2)*iim+2:(j-1)*iim+1)=rlatu(j); END DO |
---|
| 48 | DO j=2,jjm; rlon((j-2)*iim+2:(j-1)*iim+1)=rlonv(1:im); END DO |
---|
| 49 | rlat(1) = pi/2.; rlat(klon) = - pi/2.; rlat(:)=rlat(:)/deg2rad |
---|
| 50 | rlon(1) = 0.0; rlon(klon) = 0.0; rlon(:)=rlon(:)/deg2rad |
---|
| 51 | |
---|
| 52 | ! Compute ground geopotential, sub-cells quantities and possibly the mask. |
---|
| 53 | ! Sub-surfaces initialization |
---|
| 54 | !******************************************************************************* |
---|
| 55 | !--- Read and interpolate on model T-grid soil fraction and soil ice fraction. |
---|
| 56 | CALL flininfo(icefname, iml_lic, jml_lic, llm_tmp, ttm_tmp, fid) |
---|
| 57 | ALLOCATE(lat_lic(iml_lic,jml_lic),lon_lic(iml_lic,jml_lic)) |
---|
| 58 | ALLOCATE(fraclic(iml_lic,jml_lic)) |
---|
| 59 | CALL flinopen(icefname, .FALSE., iml_lic, jml_lic, llm_tmp, & |
---|
| 60 | & lon_lic, lat_lic, lev, ttm_tmp, itaul, date, dt, fid) |
---|
| 61 | CALL flinget(fid, icevar, iml_lic, jml_lic, llm_tmp, ttm_tmp, 1,1, fraclic) |
---|
| 62 | CALL flinclo(fid) |
---|
| 63 | WRITE(lunout,*)'landice dimensions: iml_lic, jml_lic : ',iml_lic,jml_lic |
---|
| 64 | |
---|
| 65 | ALLOCATE(dlon_lic(iml_lic),dlat_lic(jml_lic)) |
---|
| 66 | dlon_lic(:)=lon_lic(:,1); IF(MAXVAL(dlon_lic)>pi) dlon_lic=dlon_lic*pi/180. |
---|
| 67 | dlat_lic(:)=lat_lic(1,:); IF(MAXVAL(dlat_lic)>pi) dlat_lic=dlat_lic*pi/180. |
---|
| 68 | DEALLOCATE(lon_lic,lat_lic); ALLOCATE(flic_tmp(iip1,jjp1)) |
---|
| 69 | CALL grille_m(dlon_lic,dlat_lic,fraclic,rlonv(1:iim),rlatu,flic_tmp(1:iim,:)) |
---|
| 70 | flic_tmp(iip1,:)=flic_tmp(1,:) |
---|
| 71 | |
---|
| 72 | !--- To the physical grid |
---|
| 73 | pctsrf(:,:) = 0. |
---|
| 74 | CALL gr_dyn_fi(1, iip1, jjp1, klon, flic_tmp, pctsrf(:,is_lic)) |
---|
| 75 | DEALLOCATE(flic_tmp) |
---|
| 76 | |
---|
| 77 | !--- Adequation with soil/sea mask |
---|
| 78 | WHERE(pctsrf(:,is_lic)<EPSFRA) pctsrf(:,is_lic)=0. |
---|
| 79 | WHERE(zmasq(:)<EPSFRA) pctsrf(:,is_lic)=0. |
---|
| 80 | pctsrf(:,is_ter)=zmasq(:) |
---|
| 81 | DO ji=1,klon |
---|
| 82 | IF(zmasq(ji)>EPSFRA) THEN |
---|
| 83 | IF(pctsrf(ji,is_lic)>=zmasq(ji)) THEN |
---|
| 84 | pctsrf(ji,is_lic)=zmasq(ji) |
---|
| 85 | pctsrf(ji,is_ter)=0. |
---|
| 86 | ELSE |
---|
| 87 | pctsrf(ji,is_ter)=zmasq(ji)-pctsrf(ji,is_lic) |
---|
| 88 | IF(pctsrf(ji,is_ter)<EPSFRA) THEN |
---|
| 89 | pctsrf(ji,is_ter)=0. |
---|
| 90 | pctsrf(ji,is_lic)=zmasq(ji) |
---|
| 91 | END IF |
---|
| 92 | END IF |
---|
| 93 | END IF |
---|
| 94 | END DO |
---|
| 95 | |
---|
| 96 | !--- Sub-surface ocean and sea ice (sea ice set to zero for start). |
---|
| 97 | pctsrf(:,is_oce)=(1.-zmasq(:)) |
---|
| 98 | WHERE(pctsrf(:,is_oce)<EPSFRA) pctsrf(:,is_oce)=0. |
---|
| 99 | IF(known_mask) pctsrf(:,is_oce)=1-zmasq(:) |
---|
| 100 | |
---|
| 101 | !--- It is checked that the sub-surfaces sum is equal to 1. |
---|
| 102 | ji=COUNT((ABS(SUM(pctsrf(:,:),dim=2))-1.0)>EPSFRA) |
---|
| 103 | IF(ji/=0) WRITE(lunout,*) 'Sub-cell distribution problem for ',ji,' points' |
---|
| 104 | |
---|
| 105 | END SUBROUTINE start_init_subsurf |
---|
| 106 | ! |
---|
| 107 | !------------------------------------------------------------------------------- |
---|
| 108 | |
---|
| 109 | END MODULE init_ssrf_m |
---|
| 110 | ! |
---|
| 111 | !******************************************************************************* |
---|