| 1 | MODULE disvert_mod |
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| 2 | USE icosa |
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| 3 | REAL(rstd), SAVE, POINTER :: ap(:) |
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| 4 | !$OMP THREADPRIVATE(ap) |
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| 5 | REAL(rstd), SAVE, POINTER :: bp(:) |
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| 6 | !$OMP THREADPRIVATE(bp) |
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| 7 | REAL(rstd), SAVE, POINTER :: presnivs(:) |
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| 8 | !$OMP THREADPRIVATE(presnivs) |
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| 9 | REAL(rstd), SAVE, POINTER :: mass_al(:), mass_bl(:), mass_ak(:), mass_bk(:), mass_dak(:), mass_dbk(:) |
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| 10 | !$OMP THREADPRIVATE(mass_al, mass_bl, mass_ak, mass_bk, mass_dak, mass_dbk) |
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| 11 | |
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| 12 | REAL(rstd) :: ptop ! pressure at top of atmosphere l=llm+1 |
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| 13 | !$OMP THREADPRIVATE(ptop) |
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| 14 | ! vertical coordinate : Lagrangian or mass-based |
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| 15 | INTEGER, SAVE :: caldyn_eta |
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| 16 | !$OMP THREADPRIVATE(caldyn_eta) |
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| 17 | INTEGER, PARAMETER :: eta_mass=1, eta_lag=2 |
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| 18 | LOGICAL,SAVE :: ap_bp_present |
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| 19 | !$OMP THREADPRIVATE(ap_bp_present) |
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| 20 | |
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| 21 | CONTAINS |
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| 22 | |
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| 23 | SUBROUTINE init_disvert |
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| 24 | USE disvert_std_mod, ONLY: ap_std=>ap, bp_std=>bp, presnivs_std=>presnivs, init_disvert_std=>init_disvert |
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| 25 | USE disvert_apbp_mod, ONLY: ap_apbp=>ap, bp_apbp=>bp, presnivs_apbp=>presnivs, init_disvert_apbp=>init_disvert |
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| 26 | USE disvert_ncar_mod, ONLY: ap_ncar=>ap, bp_ncar=>bp, presnivs_ncar=>presnivs, init_disvert_ncar=>init_disvert |
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| 27 | USE disvert_ncarl30_mod, ONLY: ap_ncarl30=>ap, bp_ncarl30=>bp, presnivs_ncarl30=>presnivs, init_disvert_ncarl30=>init_disvert |
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| 28 | USE disvert_dcmip31_mod, ONLY: ap_dcmip31=>ap, bp_dcmip31=>bp, presnivs_dcmip31=>presnivs, init_disvert_dcmip31=>init_disvert |
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| 29 | USE disvert_dcmip200_mod, ONLY: ap_dcmip200=>ap, bp_dcmip200=>bp, presnivs_dcmip200=>presnivs, init_disvert_dcmip200=>init_disvert |
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| 30 | USE icosa |
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| 31 | USE mpipara |
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| 32 | IMPLICIT NONE |
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| 33 | CHARACTER(len=255) :: def |
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| 34 | INTEGER :: l |
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| 35 | |
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| 36 | def='eta_mass' |
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| 37 | CALL getin('caldyn_eta',def) |
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| 38 | SELECT CASE(TRIM(def)) |
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| 39 | CASE('eta_mass') |
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| 40 | caldyn_eta=eta_mass |
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| 41 | CASE('eta_lag') |
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| 42 | caldyn_eta=eta_lag |
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| 43 | CASE DEFAULT |
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| 44 | IF (is_mpi_root) PRINT *,'Bad selector for variable caldyn_eta : <', TRIM(def),'> options are <eta_mass>, <eta_lag>' |
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| 45 | STOP |
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| 46 | END SELECT |
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| 47 | IF (is_mpi_root) PRINT *, 'caldyn_eta=',TRIM(def), caldyn_eta, eta_lag, eta_mass |
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| 48 | |
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| 49 | def='std' |
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| 50 | ap_bp_present=.TRUE. |
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| 51 | CALL getin("disvert",def) |
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| 52 | |
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| 53 | SELECT CASE (TRIM(def)) |
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| 54 | CASE('none') |
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| 55 | IF(caldyn_eta/=eta_lag) THEN |
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| 56 | IF(is_mpi_root) PRINT *,'disvert_type=none must be used with caldyn_eta=eta_lag' |
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| 57 | STOP |
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| 58 | END IF |
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| 59 | ap_bp_present=.FALSE. |
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| 60 | CASE('std') |
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| 61 | |
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| 62 | CALL init_disvert_std |
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| 63 | ap=>ap_std |
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| 64 | bp=>bp_std |
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| 65 | presnivs=>presnivs_std |
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| 66 | |
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| 67 | CASE('read_apbp') |
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| 68 | |
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| 69 | CALL init_disvert_apbp |
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| 70 | ap=>ap_apbp |
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| 71 | bp=>bp_apbp |
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| 72 | presnivs=>presnivs_apbp |
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| 73 | |
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| 74 | CASE ('ncar') |
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| 75 | |
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| 76 | CALL init_disvert_ncar |
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| 77 | ap=>ap_ncar |
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| 78 | bp=>bp_ncar |
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| 79 | presnivs=>presnivs_ncar |
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| 80 | |
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| 81 | CASE ('dcmip31') |
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| 82 | |
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| 83 | CALL init_disvert_dcmip31 |
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| 84 | ap=>ap_dcmip31 |
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| 85 | bp=>bp_dcmip31 |
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| 86 | presnivs=>presnivs_dcmip31 |
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| 87 | |
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| 88 | CASE ('dcmip200') |
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| 89 | |
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| 90 | CALL init_disvert_dcmip200 |
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| 91 | ap=>ap_dcmip200 |
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| 92 | bp=>bp_dcmip200 |
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| 93 | presnivs=>presnivs_dcmip200 |
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| 94 | |
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| 95 | CASE ('ncarl30') |
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| 96 | |
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| 97 | CALL init_disvert_ncarl30 |
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| 98 | ap=>ap_ncarl30 |
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| 99 | bp=>bp_ncarl30 |
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| 100 | presnivs=>presnivs_ncarl30 |
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| 101 | CASE default |
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| 102 | IF (is_mpi_root) PRINT*,'Bad selector for variable disvert : <', TRIM(def),"> options are <std>, <ncar>, <ncarl30>" |
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| 103 | STOP |
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| 104 | |
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| 105 | END SELECT |
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| 106 | |
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| 107 | IF(ap_bp_present) THEN |
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| 108 | ! Convert from pressure coordinate to mass coordinate |
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| 109 | ! pk = ap(k) + bp(k)*ps(ij) = ptop + g*( mass_ak(k) + mass_bk(k)*ms(ij) ) |
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| 110 | ptop = ap(llm+1) |
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| 111 | ALLOCATE(mass_al(llm+1)) |
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| 112 | ALLOCATE(mass_bl(llm+1)) |
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| 113 | ALLOCATE(mass_ak(llm)) |
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| 114 | ALLOCATE(mass_bk(llm)) |
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| 115 | ALLOCATE(mass_dak(llm)) |
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| 116 | ALLOCATE(mass_dbk(llm)) |
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| 117 | |
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| 118 | ! FIXME : leave ps for the moment ; change ps to ms later |
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| 119 | DO l=1,llm+1 |
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| 120 | ! mass_al(l) = (ap(l)-ptop)/g |
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| 121 | ! mass_bl(l) = bp(l)/g |
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| 122 | mass_al(l) = (ap(l)-ptop) |
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| 123 | mass_bl(l) = bp(l) |
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| 124 | END DO |
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| 125 | DO l=1,llm |
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| 126 | mass_ak(l) = .5*(mass_al(l)+mass_al(l+1)) |
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| 127 | mass_bk(l) = .5*(mass_bl(l)+mass_bl(l+1)) |
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| 128 | mass_dak(l) = mass_al(l)-mass_al(l+1) ! >0 |
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| 129 | mass_dbk(l) = mass_bl(l)-mass_bl(l+1) ! >0 |
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| 130 | END DO |
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| 131 | END IF |
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| 132 | |
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| 133 | END SUBROUTINE init_disvert |
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| 134 | |
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| 135 | SUBROUTINE compute_rhodz(comp, ps, rhodz) |
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| 136 | USE icosa |
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| 137 | USE omp_para |
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| 138 | LOGICAL, INTENT(IN) :: comp ! .TRUE. to compute, .FALSE. to check |
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| 139 | REAL(rstd), INTENT(IN) :: ps(iim*jjm) |
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| 140 | REAL(rstd), INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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| 141 | REAL(rstd) :: m, err |
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| 142 | INTEGER :: l,i,j,ij,dd |
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| 143 | err=0. |
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| 144 | |
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| 145 | IF(comp) THEN |
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| 146 | dd=1 |
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| 147 | ELSE |
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| 148 | dd=0 |
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| 149 | END IF |
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| 150 | |
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| 151 | DO l = ll_begin, ll_end |
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| 152 | DO j=jj_begin-dd,jj_end+dd |
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| 153 | DO i=ii_begin-dd,ii_end+dd |
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| 154 | ij=(j-1)*iim+i |
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| 155 | m = ( ap(l) - ap(l+1) + (bp(l)-bp(l+1))*ps(ij) )/g |
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| 156 | IF(comp) THEN |
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| 157 | rhodz(ij,l) = m |
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| 158 | ELSE |
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| 159 | err = MAX(err,abs(m-rhodz(ij,l))) |
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| 160 | END IF |
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| 161 | ENDDO |
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| 162 | ENDDO |
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| 163 | ENDDO |
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| 164 | |
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| 165 | IF(.NOT. comp) THEN |
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| 166 | IF(err>1e-10) THEN |
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| 167 | PRINT *, 'Discrepancy between ps and rhodz detected', err |
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| 168 | STOP |
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| 169 | ELSE |
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| 170 | ! PRINT *, 'No discrepancy between ps and rhodz detected' |
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| 171 | END IF |
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| 172 | END IF |
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| 173 | |
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| 174 | END SUBROUTINE compute_rhodz |
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| 175 | |
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| 176 | |
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| 177 | SUBROUTINE write_apbp |
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| 178 | USE icosa |
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| 179 | USE netcdf_mod |
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| 180 | IMPLICIT NONE |
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| 181 | REAL(rstd) :: val(llm) |
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| 182 | INTEGER :: status |
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| 183 | INTEGER :: lev,ilev |
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| 184 | INTEGER :: ncid,levid,ilevid,hyaiid,hybiid,hyamid,hybmid,P0id |
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| 185 | INTEGER :: l |
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| 186 | |
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| 187 | !$OMP BARRIER |
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| 188 | !$OMP MASTER |
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| 189 | status = NF90_CREATE('apbp.nc', NF90_CLOBBER, ncid) |
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| 190 | status = NF90_DEF_DIM(ncid,'lev',llm,lev) |
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| 191 | status = NF90_DEF_DIM(ncid,'ilev',llm+1,ilev) |
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| 192 | |
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| 193 | status = NF90_DEF_VAR(ncid,'lev',NF90_DOUBLE,(/ lev /),levid) |
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| 194 | status = NF90_PUT_ATT(ncid,levid,"long_name","hybrid level at midpoints (1000*(A+B))") |
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| 195 | status = NF90_PUT_ATT(ncid,levid,"units","Pa") |
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| 196 | status = NF90_PUT_ATT(ncid,levid,"positive","up") |
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| 197 | status = NF90_PUT_ATT(ncid,levid,"standard_name","atmosphere_hybrid_sigma_pressure_coordinate") |
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| 198 | status = NF90_PUT_ATT(ncid,levid,"formula_terms","a: hyam b: hybm p0: P0 ps: PS") |
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| 199 | |
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| 200 | status = NF90_DEF_VAR(ncid,'ilev',NF90_DOUBLE,(/ ilev /),ilevid) |
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| 201 | status = NF90_PUT_ATT(ncid,ilevid,"long_name","hybrid level at interfaces (1000*(A+B))") |
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| 202 | status = NF90_PUT_ATT(ncid,ilevid,"units","Pa") |
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| 203 | status = NF90_PUT_ATT(ncid,ilevid,"positive","up") |
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| 204 | status = NF90_PUT_ATT(ncid,ilevid,"standard_name","atmosphere_hybrid_sigma_pressure_coordinate") |
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| 205 | status = NF90_PUT_ATT(ncid,ilevid,"formula_terms","a: hyai b: hybi p0: P0 ps: PS") |
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| 206 | |
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| 207 | status = NF90_DEF_VAR(ncid,'hyai',NF90_DOUBLE,(/ ilev /),hyaiid) |
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| 208 | status = NF90_PUT_ATT(ncid,hyaiid,"long_name","hybrid A coefficient at layer interfaces") |
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| 209 | |
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| 210 | status = NF90_DEF_VAR(ncid,'hybi',NF90_DOUBLE,(/ ilev /),hybiid) |
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| 211 | status = NF90_PUT_ATT(ncid,hybiid,"long_name","hybrid B coefficient at layer interfaces") |
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| 212 | |
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| 213 | status = NF90_DEF_VAR(ncid,'hyam',NF90_DOUBLE,(/ lev /),hyamid) |
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| 214 | status = NF90_PUT_ATT(ncid,hyamid,"long_name","hybrid A coefficient at midpoint interfaces") |
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| 215 | |
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| 216 | status = NF90_DEF_VAR(ncid,'hybm',NF90_DOUBLE,(/ lev /),hybmid) |
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| 217 | status = NF90_PUT_ATT(ncid,hybmid,"long_name","hybrid B coefficient at midpoint interfaces") |
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| 218 | |
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| 219 | status = NF90_DEF_VAR(ncid,'P0',NF90_DOUBLE,varid=P0id) |
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| 220 | |
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| 221 | status = NF90_ENDDEF(ncid) |
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| 222 | |
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| 223 | IF(ap_bp_present) THEN |
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| 224 | |
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| 225 | status=NF90_PUT_VAR(ncid,ilevid, ap(:)+bp(:)*Preff) |
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| 226 | |
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| 227 | DO l=1,llm |
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| 228 | val(l)= 0.5*(ap(l+1)+ap(l)+Preff*(bp(l)+bp(l+1))) |
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| 229 | ENDDO |
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| 230 | |
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| 231 | status=NF90_PUT_VAR(ncid,levid, val) |
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| 232 | |
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| 233 | status=NF90_PUT_VAR(ncid,hyaiid, ap(:)/Preff) |
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| 234 | status=NF90_PUT_VAR(ncid,hybiid, bp(:)) |
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| 235 | |
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| 236 | DO l=1,llm |
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| 237 | val(l)= 0.5*(ap(l+1)+ap(l)) |
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| 238 | ENDDO |
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| 239 | status=NF90_PUT_VAR(ncid,hyamid, val(:)/Preff) |
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| 240 | |
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| 241 | DO l=1,llm |
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| 242 | val(l)= 0.5*(bp(l+1)+bp(l)) |
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| 243 | ENDDO |
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| 244 | status=NF90_PUT_VAR(ncid,hybmid, val(:)) |
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| 245 | |
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| 246 | status=NF90_PUT_VAR(ncid,P0id, Preff) |
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| 247 | |
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| 248 | END IF |
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| 249 | |
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| 250 | status=NF90_CLOSE(ncid) |
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| 251 | !$OMP END MASTER |
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| 252 | !$OMP BARRIER |
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| 253 | END SUBROUTINE write_apbp |
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| 254 | |
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| 255 | END MODULE disvert_mod |
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