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