source: LMDZ6/branches/LMDZ_ECRad/libf/phylmd/StratAer/stratH2O_methox.F90 @ 4999

Last change on this file since 4999 was 4727, checked in by idelkadi, 13 months ago

Merged trunk changes -r4488:4726 LMDZ_ECRad branch

File size: 5.4 KB
Line 
1!
2! $Id: stratH2O_methox.F90 3677 2020-05-06 15:18:32Z oboucher $
3!
4SUBROUTINE stratH2O_methox(debutphy,paprs,dq_ch4mmr)
5!
6! output: CH4VMR in mmr (mass mixing ratio/sec: kg H2O/kg air)
7
8  USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_dimid, &
9                      nf95_inq_varid, nf95_inquire_dimension, nf95_open
10  USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite
11
12  USE mod_grid_phy_lmdz
13  USE mod_phys_lmdz_mpi_data, ONLY :  is_mpi_root
14  USE mod_phys_lmdz_omp_data, ONLY :  is_omp_root
15
16  USE mod_phys_lmdz_para
17  USE dimphy
18  USE phys_cal_mod, ONLY : mth_cur
19  USE infotrac_phy
20  USE aerophys
21  USE YOMCST
22  USE strataer_local_var_mod, ONLY : flag_newclim_file
23 
24  IMPLICIT NONE
25 
26  include "dimensions.h"
27 
28! Variable input
29  REAL paprs(klon,klev+1)
30  LOGICAL, INTENT(IN) :: debutphy   ! le flag de l'initialisation de la physique
31! Variable output
32! tendance buffer pour appel de add_phys_tend
33  REAL, INTENT(INOUT), DIMENSION(klon,klev)  :: dq_ch4mmr
34 
35! Variables locales
36  INTEGER n_lat   ! number of latitudes in the input data
37  INTEGER n_lon   ! number of longitudes in the input data
38  INTEGER, SAVE :: n_lev   ! number of levels in the input data
39!$OMP THREADPRIVATE(n_lev)
40  INTEGER n_mth   ! number of months in the input data
41  INTEGER, SAVE :: mth_pre
42!$OMP THREADPRIVATE(mth_pre)
43 
44! Champs reconstitues
45  REAL paprs_glo(klon_glo,klev+1)
46 
47  REAL, ALLOCATABLE:: latitude(:)
48! (of input data sorted in strictly ascending order)
49  REAL, ALLOCATABLE:: longitude(:)
50! (of input data sorted in strictly ascending order)
51  REAL, ALLOCATABLE:: time(:)
52! (of input data sorted in strictly ascending order)
53  REAL, ALLOCATABLE:: lev(:)
54! levels of input data
55 
56!stratospheric H2O source from CH4 oxidation
57! fixed climatos
58! H2O production in VMR/sec)
59  REAL, ALLOCATABLE :: CH4RVMR_in(:, :, :, :)
60  REAL, ALLOCATABLE :: CH4RVMR_mth(:, :, :)
61  REAL, ALLOCATABLE :: CH4RVMR_tmp(:, :)
62  REAL CH4RVMR_glo(klon_glo,klev)
63!
64  INTEGER i, k, kk, j
65 
66! For NetCDF:
67  INTEGER ncid_in  ! IDs for input files
68  INTEGER varid, ncerr
69   
70  INTEGER, PARAMETER :: lev_input=17
71!--pressure at interfaces of input data (in Pa)
72  REAL, DIMENSION(lev_input+1), PARAMETER ::          &
73                    paprs_input=(/                    &
74  1.00000002e+05,   6.06530673e+04,   3.67879449e+04, &
75  2.23130165e+04,   1.35335286e+04,   8.20850004e+03, &
76  4.97870695e+03,   3.01973841e+03,   1.83156393e+03, &
77  1.11089968e+03,   6.73794715e+02,   4.08677153e+02, &
78  2.47875223e+02,   1.50343923e+02,   9.11881985e+01, &
79  5.53084382e+01,   3.35462635e+01,   0.0           /)
80!
81 
82  IF (debutphy .OR. mth_cur .NE. mth_pre) THEN
83     
84!--preparation of global fields
85     CALL gather(paprs, paprs_glo)
86     
87     IF (is_mpi_root.AND.is_omp_root) THEN
88       
89        print *,'In stratH2O_methox read file: ch4r_annual_lmdz.nc'
90       
91        !--reading strat. H2O source (CH4 oxidation) files
92        CALL nf95_open("ch4r_annual_lmdz.nc", nf90_nowrite, ncid_in)
93       
94        CALL  nf95_inq_varid(ncid_in, "LEV", varid)
95        CALL nf95_gw_var(ncid_in, varid, lev)
96        n_lev = size(lev)
97       
98        CALL nf95_inq_varid(ncid_in, "LAT", varid)
99        CALL nf95_gw_var(ncid_in, varid, latitude)
100        n_lat = size(latitude)
101       
102        CALL nf95_inq_varid(ncid_in, "LON", varid)
103        CALL nf95_gw_var(ncid_in, varid, longitude)
104        n_lon = size(longitude)
105       
106        CALL nf95_inq_varid(ncid_in, "TIME", varid)
107        CALL nf95_gw_var(ncid_in, varid, time)
108        n_mth = size(time)
109       
110        IF (.NOT.ALLOCATED(CH4RVMR_in)) ALLOCATE(CH4RVMR_in(n_lon, n_lat, n_lev, n_mth))
111       
112        CALL nf95_inq_varid(ncid_in, "CH4RVMR", varid)
113        ncerr = nf90_get_var(ncid_in, varid, CH4RVMR_in)
114        print *,'code erreur CH4RVMR=', ncerr, varid
115       
116        CALL nf95_close(ncid_in)
117       
118        IF (.NOT.ALLOCATED(CH4RVMR_mth)) ALLOCATE(CH4RVMR_mth(n_lon, n_lat, n_lev))
119        IF (.NOT.ALLOCATED(CH4RVMR_tmp)) ALLOCATE(CH4RVMR_tmp(klon_glo, n_lev))
120       
121        !---select the correct month,
122        !---correct latitudinal order,convert input from volume mixing ratio to mass mixing ratio
123        DO j=1,n_lat
124           ! convert VMR/sec in mmr (mass mixing ratio/sec: kg H2O/kg air)
125           ! x2 because CH4->2*H2O
126           CH4RVMR_mth(:,j,:) = 2*CH4RVMR_in(:,n_lat+1-j,:,mth_cur)*mH2Omol/mAIRmol
127        ENDDO
128       
129        !---reduce to a klon_glo grid but keep the levels
130        CALL grid2dTo1d_glo(CH4RVMR_mth,CH4RVMR_tmp)
131       
132        !---regrid weighted climatologies
133        DO i=1, klon_glo
134           DO k=1, klev
135             
136              CH4RVMR_glo(i,k)=0.0
137             
138              DO kk=1, n_lev
139                 !
140                 CH4RVMR_glo(i,k)=CH4RVMR_glo(i,k)+ &
141                      MAX(0.0,MIN(paprs_glo(i,k),paprs_input(kk)) &
142                      -MAX(paprs_glo(i,k+1),paprs_input(kk+1))) &
143                      *CH4RVMR_tmp(i,kk)/(paprs_glo(i,k)-paprs_glo(i,k+1))
144              ENDDO ! kk loop
145           ENDDO ! k loop
146        ENDDO ! i loop
147     ENDIF !--is_mpi_root and is_omp_root
148     
149     !--keep memory of previous month
150     mth_pre=mth_cur
151     
152     !--scatter global fields around
153     CALL scatter(CH4RVMR_glo, dq_ch4mmr)
154     
155     IF (is_mpi_root.AND.is_omp_root) THEN
156        DEALLOCATE(CH4RVMR_in,CH4RVMR_mth,CH4RVMR_tmp)
157     ENDIF !--is_mpi_root and is_omp_root
158  ENDIF ! debutphy.OR.new month
159 
160  RETURN
161 
162END SUBROUTINE stratH2O_methox
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