[10156] | 1 | MODULE inputs_fabm |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE inputs_fabm *** |
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| 4 | !! TOP : Input module of the FABM tracers |
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| 5 | !!====================================================================== |
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| 6 | |
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| 7 | #if defined key_fabm |
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| 8 | !!---------------------------------------------------------------------- |
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| 9 | !! 'key_fabm' FABM tracers |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! initialize_inputs : initialize input structures |
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| 12 | !! update_inputs : update 2D input fields |
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| 13 | !! trc_rnf_fabm : update river data |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | USE par_trc |
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| 16 | USE oce_trc |
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| 17 | USE trc |
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| 18 | USE iom |
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| 19 | USE fldread |
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| 20 | USE par_fabm |
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| 21 | USE fabm |
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| 22 | |
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| 23 | IMPLICIT NONE |
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| 24 | |
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| 25 | PRIVATE |
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| 26 | |
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| 27 | PUBLIC initialize_inputs |
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| 28 | PUBLIC link_inputs |
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| 29 | PUBLIC update_inputs |
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| 30 | PUBLIC trc_rnf_fabm |
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| 31 | |
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[10158] | 32 | #if defined key_trdtrc && defined key_iomput |
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| 33 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, TARGET, DIMENSION(:,:,:) :: tr_inp |
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| 34 | #endif |
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[10156] | 35 | |
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| 36 | TYPE, PUBLIC :: type_input_variable |
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| 37 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf |
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| 38 | INTEGER :: ntimes |
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| 39 | END TYPE |
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| 40 | |
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| 41 | TYPE, PUBLIC, EXTENDS(type_input_variable) :: type_input_data |
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| 42 | TYPE(type_horizontal_variable_id) :: horizontal_id |
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| 43 | TYPE(type_input_data), POINTER :: next => null() |
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| 44 | END TYPE |
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| 45 | TYPE (type_input_data), POINTER, PUBLIC :: first_input_data => NULL() |
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| 46 | |
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| 47 | TYPE, PUBLIC, EXTENDS(type_input_variable):: type_river_data |
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| 48 | INTEGER :: jp_pos=0 ! position of linked state variable in trc fields |
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| 49 | REAL(wp) :: rn_trrnfac=1._wp ! unit conversion factor |
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| 50 | TYPE(type_river_data), POINTER :: next => null() |
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| 51 | END TYPE |
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| 52 | TYPE (type_river_data), POINTER, PUBLIC :: first_river_data => NULL() |
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| 53 | |
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| 54 | CONTAINS |
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| 55 | |
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| 56 | SUBROUTINE initialize_inputs |
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| 57 | TYPE(FLD_N) :: sn, sn_empty |
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| 58 | CHARACTER(LEN=256) :: name |
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| 59 | REAL(wp) :: rfac |
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| 60 | NAMELIST /variable/ name,sn |
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| 61 | NAMELIST /riverdata/ name,sn,rfac |
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| 62 | LOGICAL :: l_ext |
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| 63 | INTEGER :: num, ierr, nmlunit |
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| 64 | TYPE (type_input_data),POINTER :: input_data |
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| 65 | TYPE (type_river_data),POINTER :: river_data |
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| 66 | INTEGER :: jn |
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| 67 | INTEGER , PARAMETER :: nbtimes = 366 !: maximum number of times record in a file |
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| 68 | REAL(wp), DIMENSION(nbtimes) :: zsteps |
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| 69 | |
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| 70 | ! Check if fabm_input.nml exists - if not, do nothing and return. |
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| 71 | INQUIRE( FILE='fabm_input.nml', EXIST=l_ext ) |
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| 72 | IF (.NOT.l_ext) return |
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| 73 | |
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| 74 | ! Open fabm_input.nml |
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| 75 | CALL ctl_opn( nmlunit, 'fabm_input.nml', 'OLD', 'FORMATTED', 'SEQUENTIAL', -1, num, .FALSE. ) |
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| 76 | |
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| 77 | ! Read any number of "variable" namelists |
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| 78 | DO |
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| 79 | ! Initialize namelist variables |
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| 80 | name = '' |
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| 81 | sn = sn_empty |
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| 82 | |
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| 83 | ! Read the namelist |
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| 84 | READ(nmlunit,nml=variable,err=98,end=99) |
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| 85 | |
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| 86 | ! Transfer namelist settings to new input_data object |
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| 87 | ALLOCATE(input_data, STAT=ierr) |
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| 88 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'inputs_fabm:initialize_inputs: unable to allocate input_data object for variable '//TRIM(name) ) |
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| 89 | input_data%horizontal_id = fabm_get_horizontal_variable_id(model,name) |
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| 90 | IF (.NOT.fabm_is_variable_used(input_data%horizontal_id)) THEN |
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| 91 | ! This variable was not found among FABM's horizontal variables (at least, those that are read by one or more FABM modules) |
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| 92 | CALL ctl_stop('STOP', 'inputs_fabm:initialize_inputs: variable "'//TRIM(name)//'" was not found among horizontal FABM variables.') |
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| 93 | END IF |
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| 94 | ALLOCATE(input_data%sf(1), STAT=ierr) |
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| 95 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'inputs_fabm:initialize_inputs: unable to allocate sf structure for variable '//TRIM(name) ) |
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| 96 | CALL fld_fill(input_data%sf, (/sn/), '', 'inputs_fabm:initialize_inputs', 'FABM variable '//TRIM(name), 'variable' ) |
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| 97 | ALLOCATE( input_data%sf(1)%fnow(jpi,jpj,1) ) |
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| 98 | IF( sn%ln_tint ) ALLOCATE( input_data%sf(1)%fdta(jpi,jpj,1,2) ) |
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| 99 | |
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| 100 | ! Get number of record in file (if there is only one, we will read data |
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| 101 | ! only at the very first time step) |
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| 102 | CALL fld_clopn( input_data%sf(1) ) |
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| 103 | CALL iom_gettime( input_data%sf(1)%num, zsteps, kntime=input_data%ntimes) |
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| 104 | CALL iom_close( input_data%sf(1)%num ) |
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| 105 | |
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| 106 | ! Prepend new input variable to list. |
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| 107 | input_data%next => first_input_data |
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| 108 | first_input_data => input_data |
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| 109 | END DO |
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| 110 | |
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| 111 | 98 CALL ctl_stop('STOP', 'inputs_fabm:initialize_inputs: unable to read namelist "riverdata"') |
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| 112 | |
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| 113 | 99 REWIND(nmlunit) |
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| 114 | |
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| 115 | ! Read any number of "riverdata" namelists |
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| 116 | DO |
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| 117 | ! Initialize namelist variables |
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| 118 | name = '' |
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| 119 | sn = sn_empty |
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| 120 | rfac = 1._wp |
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| 121 | |
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| 122 | ! Read the namelist |
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| 123 | READ(nmlunit,nml=riverdata,err=198,end=199) |
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| 124 | |
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| 125 | ! Transfer namelist settings to new river_data object |
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| 126 | ALLOCATE(river_data, STAT=ierr) |
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| 127 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'inputs_fabm:initialize_inputs: unable to allocate river_data object for variable '//TRIM(name) ) |
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| 128 | ! Check if river data name is in FABM states and |
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| 129 | ! provide NEMO with position of the respective state variable |
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| 130 | ! within tracer field |
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| 131 | DO jn=1,jp_fabm |
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| 132 | IF (TRIM(name) == TRIM(model%state_variables(jn)%name)) THEN |
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| 133 | river_data%jp_pos = jp_fabm_m1+jn |
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| 134 | END IF |
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| 135 | END DO |
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| 136 | IF (river_data%jp_pos == 0) THEN |
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| 137 | ! This variable was not found among FABM's state variables |
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| 138 | ! passed to NEMO! |
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| 139 | CALL ctl_stop('STOP', 'inputs_fabm:initialize_inputs: variable "'//TRIM(name)//'" was not found among FABM state variables.') |
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| 140 | END IF |
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| 141 | |
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| 142 | ALLOCATE(river_data%sf(1), STAT=ierr) |
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| 143 | IF( ierr > 0 ) CALL ctl_stop( 'STOP', 'inputs_fabm:initialize_inputs: unable to allocate sf structure for variable '//TRIM(name) ) |
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| 144 | CALL fld_fill(river_data%sf, (/sn/), '', 'inputs_fabm:initialize_inputs', 'FABM variable '//TRIM(name), 'riverdata' ) |
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| 145 | ALLOCATE( river_data%sf(1)%fnow(jpi,jpj,1) ) |
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| 146 | IF( sn%ln_tint ) ALLOCATE( river_data%sf(1)%fdta(jpi,jpj,1,2) ) |
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| 147 | |
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| 148 | ! Load unit conversion factor: |
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| 149 | river_data%rn_trrnfac=rfac |
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| 150 | |
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| 151 | ! Get number of record in file (if there is only one, we will read data |
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| 152 | ! only at the very first time step) |
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| 153 | CALL fld_clopn( river_data%sf(1) ) |
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| 154 | CALL iom_gettime( river_data%sf(1)%num, zsteps, kntime=river_data%ntimes) |
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| 155 | CALL iom_close( river_data%sf(1)%num ) |
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| 156 | |
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| 157 | ! Prepend new input variable to list. |
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| 158 | river_data%next => first_river_data |
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| 159 | first_river_data => river_data |
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| 160 | END DO |
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| 161 | |
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| 162 | 198 CALL ctl_stop('STOP', 'inputs_fabm:initialize_inputs: unable to read namelist "riverdata"') |
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| 163 | |
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| 164 | 199 RETURN |
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| 165 | |
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| 166 | END SUBROUTINE initialize_inputs |
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| 167 | |
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| 168 | SUBROUTINE link_inputs |
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| 169 | TYPE (type_input_data),POINTER :: input_data |
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| 170 | |
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| 171 | input_data => first_input_data |
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| 172 | DO WHILE (ASSOCIATED(input_data)) |
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| 173 | ! Provide FABM with pointer to field that will receive prescribed data. |
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| 174 | ! NB source=data_source_user guarantees that the prescribed data takes priority over any data FABM may already have for that variable. |
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| 175 | CALL fabm_link_horizontal_data(model,input_data%horizontal_id,input_data%sf(1)%fnow(:,:,1),source=data_source_user) |
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| 176 | input_data => input_data%next |
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| 177 | END DO |
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| 178 | |
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| 179 | END SUBROUTINE link_inputs |
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| 180 | |
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| 181 | SUBROUTINE update_inputs( kt , l_write) |
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| 182 | INTEGER, INTENT(IN) :: kt |
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| 183 | LOGICAL, INTENT(IN), OPTIONAL :: l_write |
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| 184 | TYPE (type_input_data),POINTER :: input_data |
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| 185 | TYPE (type_river_data),POINTER :: river_data |
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| 186 | |
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| 187 | input_data => first_input_data |
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| 188 | DO WHILE (ASSOCIATED(input_data)) |
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| 189 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. input_data%ntimes > 1 ) ) CALL fld_read( kt, 1, input_data%sf ) |
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| 190 | #if defined key_trdtrc && defined key_iomput |
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| 191 | IF ( .NOT.PRESENT(l_write).OR.l_write ) CALL iom_put( 'INP_'//TRIM(input_data%sf(1)%clvar), input_data%sf(1)%fnow(:,:,1)*tmask(:,:,1) ) |
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| 192 | #endif |
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| 193 | input_data => input_data%next |
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| 194 | END DO |
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| 195 | |
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| 196 | river_data => first_river_data |
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| 197 | DO WHILE (ASSOCIATED(river_data)) |
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| 198 | IF( kt == nit000 .OR. ( kt /= nit000 .AND. river_data%ntimes > 1 ) ) CALL fld_read( kt, 1, river_data%sf ) |
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| 199 | river_data => river_data%next |
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| 200 | END DO |
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| 201 | |
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| 202 | END SUBROUTINE update_inputs |
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| 203 | |
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| 204 | SUBROUTINE trc_rnf_fabm( kt ) |
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| 205 | !!---------------------------------------------------------------------- |
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| 206 | !! *** ROUTINE trc_rnf_fabm *** |
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| 207 | !! |
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| 208 | !! ** Purpose : Add river loadings of biogeochemistry to states |
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| 209 | !! |
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| 210 | !! ** Action : tra (sms) updated with loadings at time-step kt |
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| 211 | !! |
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| 212 | !! This routines assumes river loadings to be given in |
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| 213 | !! state variable units * m3 / sec |
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| 214 | !!-------------------------------------------------------------------- |
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| 215 | |
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| 216 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 217 | REAL(wp) :: zcoef |
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| 218 | INTEGER :: ji,jj,jk |
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| 219 | ! |
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| 220 | TYPE (type_river_data),POINTER :: river_data |
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| 221 | |
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| 222 | river_data => first_river_data |
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| 223 | DO WHILE (ASSOCIATED(river_data)) |
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| 224 | #if defined key_trdtrc && defined key_iomput |
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| 225 | tr_inp = 0.0_wp |
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| 226 | #endif |
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| 227 | IF( kt == nit000 .OR. ( kt /= nit000 ) ) THEN |
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| 228 | DO jj = 1, jpj |
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| 229 | DO ji = 1, jpi |
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| 230 | ! convert units and divide by surface area |
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| 231 | ! loading / cell volume * vertical fraction of riverload |
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| 232 | ! dtrc / dt (river) = riverload / e1e2t / e3t * e3t * h_rnf |
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| 233 | ! = riverload / e1e2t / h_rnf |
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| 234 | zcoef = river_data%rn_trrnfac / e1e2t(ji,jj) / h_rnf(ji,jj) |
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| 235 | DO jk = 1,nk_rnf(ji,jj) |
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| 236 | ! Add river loadings |
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| 237 | tra(ji,jj,jk,river_data%jp_pos) = tra(ji,jj,jk,river_data%jp_pos) + river_data%sf(1)%fnow(ji,jj,1)*zcoef |
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| 238 | #if defined key_trdtrc && defined key_iomput |
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| 239 | tr_inp(ji,jj,jk) = river_data%sf(1)%fnow(ji,jj,1)*zcoef |
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| 240 | #endif |
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| 241 | END DO |
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| 242 | END DO |
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| 243 | END DO |
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| 244 | #if defined key_trdtrc && defined key_iomput |
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| 245 | CALL iom_put( 'INP_'//TRIM(river_data%sf(1)%clvar), tr_inp(:,:,:) ) |
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| 246 | #endif |
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| 247 | END IF |
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| 248 | river_data => river_data%next |
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| 249 | END DO |
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| 250 | |
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| 251 | END SUBROUTINE trc_rnf_fabm |
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| 252 | #endif |
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| 253 | !!====================================================================== |
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| 254 | END MODULE inputs_fabm |
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