[888] | 1 | MODULE sbcrnf |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE sbcrnf *** |
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| 4 | !! Ocean forcing: river runoff |
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| 5 | !!===================================================================== |
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[2528] | 6 | !! History : OPA ! 2000-11 (R. Hordoir, E. Durand) NetCDF FORMAT |
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| 7 | !! NEMO 1.0 ! 2002-09 (G. Madec) F90: Free form and module |
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[3764] | 8 | !! 3.0 ! 2006-07 (G. Madec) Surface module |
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[2528] | 9 | !! 3.2 ! 2009-04 (B. Lemaire) Introduce iom_put |
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| 10 | !! 3.3 ! 2010-10 (R. Furner, G. Madec) runoff distributed over ocean levels |
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[888] | 11 | !!---------------------------------------------------------------------- |
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| 12 | |
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| 13 | !!---------------------------------------------------------------------- |
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[6140] | 14 | !! sbc_rnf : monthly runoffs read in a NetCDF file |
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| 15 | !! sbc_rnf_init : runoffs initialisation |
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| 16 | !! rnf_mouth : set river mouth mask |
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[888] | 17 | !!---------------------------------------------------------------------- |
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[6140] | 18 | USE dom_oce ! ocean space and time domain |
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| 19 | USE phycst ! physical constants |
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| 20 | USE sbc_oce ! surface boundary condition variables |
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| 21 | USE eosbn2 ! Equation Of State |
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[12276] | 22 | USE closea, ONLY: l_clo_rnf, clo_rnf ! closed seas |
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[6140] | 23 | ! |
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| 24 | USE in_out_manager ! I/O manager |
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| 25 | USE fldread ! read input field at current time step |
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| 26 | USE iom ! I/O module |
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| 27 | USE lib_mpp ! MPP library |
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[888] | 28 | |
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| 29 | IMPLICIT NONE |
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| 30 | PRIVATE |
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| 31 | |
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[6140] | 32 | PUBLIC sbc_rnf ! called in sbcmod module |
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| 33 | PUBLIC sbc_rnf_div ! called in divhor module |
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| 34 | PUBLIC sbc_rnf_alloc ! called in sbcmod module |
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| 35 | PUBLIC sbc_rnf_init ! called in sbcmod module |
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[14072] | 36 | |
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[6140] | 37 | ! !!* namsbc_rnf namelist * |
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| 38 | CHARACTER(len=100) :: cn_dir !: Root directory for location of rnf files |
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[9023] | 39 | LOGICAL , PUBLIC :: ln_rnf_depth !: depth river runoffs attribute specified in a file |
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[6140] | 40 | LOGICAL :: ln_rnf_depth_ini !: depth river runoffs computed at the initialisation |
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| 41 | REAL(wp) :: rn_rnf_max !: maximum value of the runoff climatologie (ln_rnf_depth_ini =T) |
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| 42 | REAL(wp) :: rn_dep_max !: depth over which runoffs is spread (ln_rnf_depth_ini =T) |
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| 43 | INTEGER :: nn_rnf_depth_file !: create (=1) a runoff depth file or not (=0) |
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[14032] | 44 | LOGICAL , PUBLIC :: ln_rnf_icb !: iceberg flux is specified in a file |
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[6140] | 45 | LOGICAL :: ln_rnf_tem !: temperature river runoffs attribute specified in a file |
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| 46 | LOGICAL , PUBLIC :: ln_rnf_sal !: salinity river runoffs attribute specified in a file |
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| 47 | TYPE(FLD_N) , PUBLIC :: sn_rnf !: information about the runoff file to be read |
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| 48 | TYPE(FLD_N) :: sn_cnf !: information about the runoff mouth file to be read |
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[12276] | 49 | TYPE(FLD_N) :: sn_i_rnf !: information about the iceberg flux file to be read |
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[6140] | 50 | TYPE(FLD_N) :: sn_s_rnf !: information about the salinities of runoff file to be read |
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| 51 | TYPE(FLD_N) :: sn_t_rnf !: information about the temperatures of runoff file to be read |
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| 52 | TYPE(FLD_N) :: sn_dep_rnf !: information about the depth which river inflow affects |
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| 53 | LOGICAL , PUBLIC :: ln_rnf_mouth !: specific treatment in mouths vicinity |
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| 54 | REAL(wp) :: rn_hrnf !: runoffs, depth over which enhanced vertical mixing is used |
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| 55 | REAL(wp) , PUBLIC :: rn_avt_rnf !: runoffs, value of the additional vertical mixing coef. [m2/s] |
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| 56 | REAL(wp) , PUBLIC :: rn_rfact !: multiplicative factor for runoff |
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[888] | 57 | |
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[6140] | 58 | LOGICAL , PUBLIC :: l_rnfcpl = .false. !: runoffs recieved from oasis |
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| 59 | INTEGER , PUBLIC :: nkrnf = 0 !: nb of levels over which Kz is increased at river mouths |
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[14072] | 60 | |
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[2715] | 61 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rnfmsk !: river mouth mask (hori.) |
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| 62 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: rnfmsk_z !: river mouth mask (vert.) |
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| 63 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: h_rnf !: depth of runoff in m |
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| 64 | INTEGER, PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: nk_rnf !: depth of runoff in model levels |
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[14072] | 65 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: rnf_tsc_b, rnf_tsc !: before and now T & S runoff contents [K.m/s & PSU.m/s] |
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[888] | 66 | |
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[5431] | 67 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_rnf ! structure: river runoff (file information, fields read) |
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[12276] | 68 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_i_rnf ! structure: iceberg flux (file information, fields read) |
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[14072] | 69 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_s_rnf ! structure: river runoff salinity (file information, fields read) |
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| 70 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_t_rnf ! structure: river runoff temperature (file information, fields read) |
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| 71 | |
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[12377] | 72 | !! * Substitutions |
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| 73 | # include "do_loop_substitute.h90" |
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[13237] | 74 | # include "domzgr_substitute.h90" |
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[888] | 75 | !!---------------------------------------------------------------------- |
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[9598] | 76 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
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[1146] | 77 | !! $Id$ |
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[10068] | 78 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[888] | 79 | !!---------------------------------------------------------------------- |
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| 80 | CONTAINS |
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| 81 | |
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[2715] | 82 | INTEGER FUNCTION sbc_rnf_alloc() |
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| 83 | !!---------------------------------------------------------------------- |
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| 84 | !! *** ROUTINE sbc_rnf_alloc *** |
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| 85 | !!---------------------------------------------------------------------- |
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| 86 | ALLOCATE( rnfmsk(jpi,jpj) , rnfmsk_z(jpk) , & |
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| 87 | & h_rnf (jpi,jpj) , nk_rnf (jpi,jpj) , & |
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| 88 | & rnf_tsc_b(jpi,jpj,jpts) , rnf_tsc (jpi,jpj,jpts) , STAT=sbc_rnf_alloc ) |
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| 89 | ! |
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[10425] | 90 | CALL mpp_sum ( 'sbcrnf', sbc_rnf_alloc ) |
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[2715] | 91 | IF( sbc_rnf_alloc > 0 ) CALL ctl_warn('sbc_rnf_alloc: allocation of arrays failed') |
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| 92 | END FUNCTION sbc_rnf_alloc |
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| 93 | |
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[3625] | 94 | |
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[888] | 95 | SUBROUTINE sbc_rnf( kt ) |
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| 96 | !!---------------------------------------------------------------------- |
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| 97 | !! *** ROUTINE sbc_rnf *** |
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[3764] | 98 | !! |
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[888] | 99 | !! ** Purpose : Introduce a climatological run off forcing |
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| 100 | !! |
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[3764] | 101 | !! ** Method : Set each river mouth with a monthly climatology |
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[888] | 102 | !! provided from different data. |
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| 103 | !! CAUTION : upward water flux, runoff forced to be < 0 |
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| 104 | !! |
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| 105 | !! ** Action : runoff updated runoff field at time-step kt |
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| 106 | !!---------------------------------------------------------------------- |
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| 107 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[3625] | 108 | ! |
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[7753] | 109 | INTEGER :: ji, jj ! dummy loop indices |
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| 110 | INTEGER :: z_err = 0 ! dummy integer for error handling |
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[888] | 111 | !!---------------------------------------------------------------------- |
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[9125] | 112 | REAL(wp), DIMENSION(jpi,jpj) :: ztfrz ! freezing point used for temperature correction |
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[3764] | 113 | ! |
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[6460] | 114 | ! |
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[5407] | 115 | ! !-------------------! |
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| 116 | ! ! Update runoff ! |
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| 117 | ! !-------------------! |
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| 118 | ! |
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[12276] | 119 | ! |
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| 120 | IF( .NOT. l_rnfcpl ) THEN |
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| 121 | CALL fld_read ( kt, nn_fsbc, sf_rnf ) ! Read Runoffs data and provide it at kt ( runoffs + iceberg ) |
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| 122 | IF( ln_rnf_icb ) CALL fld_read ( kt, nn_fsbc, sf_i_rnf ) ! idem for iceberg flux if required |
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| 123 | ENDIF |
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[5407] | 124 | IF( ln_rnf_tem ) CALL fld_read ( kt, nn_fsbc, sf_t_rnf ) ! idem for runoffs temperature if required |
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| 125 | IF( ln_rnf_sal ) CALL fld_read ( kt, nn_fsbc, sf_s_rnf ) ! idem for runoffs salinity if required |
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| 126 | ! |
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| 127 | IF( MOD( kt - 1, nn_fsbc ) == 0 ) THEN |
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[888] | 128 | ! |
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[12276] | 129 | IF( .NOT. l_rnfcpl ) THEN |
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| 130 | rnf(:,:) = rn_rfact * ( sf_rnf(1)%fnow(:,:,1) ) * tmask(:,:,1) ! updated runoff value at time step kt |
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| 131 | IF( ln_rnf_icb ) THEN |
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| 132 | fwficb(:,:) = rn_rfact * ( sf_i_rnf(1)%fnow(:,:,1) ) * tmask(:,:,1) ! updated runoff value at time step kt |
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| 133 | CALL iom_put( 'iceberg_cea' , fwficb(:,:) ) ! output iceberg flux |
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| 134 | CALL iom_put( 'hflx_icb_cea' , fwficb(:,:) * rLfus ) ! output Heat Flux into Sea Water due to Iceberg Thermodynamics --> |
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| 135 | ENDIF |
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| 136 | ENDIF |
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[2528] | 137 | ! |
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[9023] | 138 | ! ! set temperature & salinity content of runoffs |
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[5407] | 139 | IF( ln_rnf_tem ) THEN ! use runoffs temperature data |
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[12489] | 140 | rnf_tsc(:,:,jp_tem) = ( sf_t_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rho0 |
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[6140] | 141 | CALL eos_fzp( sss_m(:,:), ztfrz(:,:) ) |
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[7753] | 142 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -999._wp ) ! if missing data value use SST as runoffs temperature |
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[12489] | 143 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rho0 |
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[7753] | 144 | END WHERE |
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[5407] | 145 | ELSE ! use SST as runoffs temperature |
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[9023] | 146 | !CEOD River is fresh water so must at least be 0 unless we consider ice |
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[12489] | 147 | rnf_tsc(:,:,jp_tem) = MAX( sst_m(:,:), 0.0_wp ) * rnf(:,:) * r1_rho0 |
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[7753] | 148 | ENDIF |
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[5407] | 149 | ! ! use runoffs salinity data |
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[12489] | 150 | IF( ln_rnf_sal ) rnf_tsc(:,:,jp_sal) = ( sf_s_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rho0 |
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[7753] | 151 | ! ! else use S=0 for runoffs (done one for all in the init) |
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[12276] | 152 | CALL iom_put( 'runoffs' , rnf(:,:) ) ! output runoff mass flux |
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[12489] | 153 | IF( iom_use('hflx_rnf_cea') ) CALL iom_put( 'hflx_rnf_cea', rnf_tsc(:,:,jp_tem) * rho0 * rcp ) ! output runoff sensible heat (W/m2) |
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[2528] | 154 | ENDIF |
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| 155 | ! |
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[5407] | 156 | ! ! ---------------------------------------- ! |
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[2528] | 157 | IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 ! |
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| 158 | ! ! ---------------------------------------- ! |
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[14053] | 159 | IF( ln_rstart .AND. .NOT.l_1st_euler ) THEN !* Restart: read in restart file |
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[9367] | 160 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields red in the restart file', lrxios |
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[14053] | 161 | CALL iom_get( numror, jpdom_auto, 'rnf_b' , rnf_b ) ! before runoff |
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[13970] | 162 | CALL iom_get( numror, jpdom_auto, 'rnf_hc_b', rnf_tsc_b(:,:,jp_tem) ) ! before heat content of runoff |
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| 163 | CALL iom_get( numror, jpdom_auto, 'rnf_sc_b', rnf_tsc_b(:,:,jp_sal) ) ! before salinity content of runoff |
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[14053] | 164 | ELSE !* no restart: set from nit000 values |
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[2528] | 165 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields set to nit000' |
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[7753] | 166 | rnf_b (:,: ) = rnf (:,: ) |
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| 167 | rnf_tsc_b(:,:,:) = rnf_tsc(:,:,:) |
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[2528] | 168 | ENDIF |
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| 169 | ENDIF |
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| 170 | ! ! ---------------------------------------- ! |
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| 171 | IF( lrst_oce ) THEN ! Write in the ocean restart file ! |
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| 172 | ! ! ---------------------------------------- ! |
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| 173 | IF(lwp) WRITE(numout,*) |
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| 174 | IF(lwp) WRITE(numout,*) 'sbcrnf : runoff forcing fields written in ocean restart file ', & |
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| 175 | & 'at it= ', kt,' date= ', ndastp |
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| 176 | IF(lwp) WRITE(numout,*) '~~~~' |
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[14053] | 177 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_b' , rnf ) |
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[13970] | 178 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_hc_b', rnf_tsc(:,:,jp_tem) ) |
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| 179 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_sc_b', rnf_tsc(:,:,jp_sal) ) |
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[2528] | 180 | ENDIF |
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[5407] | 181 | ! |
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[2528] | 182 | END SUBROUTINE sbc_rnf |
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| 183 | |
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| 184 | |
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[12377] | 185 | SUBROUTINE sbc_rnf_div( phdivn, Kmm ) |
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[2528] | 186 | !!---------------------------------------------------------------------- |
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| 187 | !! *** ROUTINE sbc_rnf *** |
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[3764] | 188 | !! |
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[2528] | 189 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
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| 190 | !! |
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[3764] | 191 | !! ** Method : |
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| 192 | !! CAUTION : rnf is positive (inflow) decreasing the |
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[2528] | 193 | !! divergence and expressed in m/s |
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| 194 | !! |
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| 195 | !! ** Action : phdivn decreased by the runoff inflow |
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| 196 | !!---------------------------------------------------------------------- |
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[12377] | 197 | INTEGER , INTENT(in ) :: Kmm ! ocean time level index |
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[2715] | 198 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: phdivn ! horizontal divergence |
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[2528] | 199 | !! |
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[7753] | 200 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[2528] | 201 | REAL(wp) :: zfact ! local scalar |
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| 202 | !!---------------------------------------------------------------------- |
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| 203 | ! |
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| 204 | zfact = 0.5_wp |
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| 205 | ! |
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[5503] | 206 | IF( ln_rnf_depth .OR. ln_rnf_depth_ini ) THEN !== runoff distributed over several levels ==! |
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[6140] | 207 | IF( ln_linssh ) THEN !* constant volume case : just apply the runoff input flow |
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[13295] | 208 | DO_2D( 1, 1, 1, 1 ) |
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[12377] | 209 | DO jk = 1, nk_rnf(ji,jj) |
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[12489] | 210 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rho0 / h_rnf(ji,jj) |
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[2528] | 211 | END DO |
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[12377] | 212 | END_2D |
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[6140] | 213 | ELSE !* variable volume case |
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[13497] | 214 | DO_2D( 1, 1, 1, 1 ) ! update the depth over which runoffs are distributed |
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[12377] | 215 | h_rnf(ji,jj) = 0._wp |
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[13497] | 216 | DO jk = 1, nk_rnf(ji,jj) ! recalculates h_rnf to be the depth in metres |
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[12377] | 217 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t(ji,jj,jk,Kmm) ! to the bottom of the relevant grid box |
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[888] | 218 | END DO |
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[12377] | 219 | ! ! apply the runoff input flow |
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| 220 | DO jk = 1, nk_rnf(ji,jj) |
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[12489] | 221 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rho0 / h_rnf(ji,jj) |
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[12377] | 222 | END DO |
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| 223 | END_2D |
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[888] | 224 | ENDIF |
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[2528] | 225 | ELSE !== runoff put only at the surface ==! |
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[12377] | 226 | h_rnf (:,:) = e3t (:,:,1,Kmm) ! update h_rnf to be depth of top box |
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[12489] | 227 | phdivn(:,:,1) = phdivn(:,:,1) - ( rnf(:,:) + rnf_b(:,:) ) * zfact * r1_rho0 / e3t(:,:,1,Kmm) |
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[888] | 228 | ENDIF |
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| 229 | ! |
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[2528] | 230 | END SUBROUTINE sbc_rnf_div |
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[888] | 231 | |
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| 232 | |
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[12377] | 233 | SUBROUTINE sbc_rnf_init( Kmm ) |
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[1116] | 234 | !!---------------------------------------------------------------------- |
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| 235 | !! *** ROUTINE sbc_rnf_init *** |
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| 236 | !! |
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| 237 | !! ** Purpose : Initialisation of the runoffs if (ln_rnf=T) |
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| 238 | !! |
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| 239 | !! ** Method : - read the runoff namsbc_rnf namelist |
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| 240 | !! |
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| 241 | !! ** Action : - read parameters |
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| 242 | !!---------------------------------------------------------------------- |
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[12377] | 243 | INTEGER, INTENT(in) :: Kmm ! ocean time level index |
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[3764] | 244 | CHARACTER(len=32) :: rn_dep_file ! runoff file name |
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[7753] | 245 | INTEGER :: ji, jj, jk, jm ! dummy loop indices |
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[2528] | 246 | INTEGER :: ierror, inum ! temporary integer |
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[4147] | 247 | INTEGER :: ios ! Local integer output status for namelist read |
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[5385] | 248 | INTEGER :: nbrec ! temporary integer |
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[14072] | 249 | REAL(wp) :: zacoef |
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| 250 | REAL(wp), DIMENSION(jpi,jpj,2) :: zrnfcl |
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[9169] | 251 | !! |
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[12276] | 252 | NAMELIST/namsbc_rnf/ cn_dir , ln_rnf_depth, ln_rnf_tem, ln_rnf_sal, ln_rnf_icb, & |
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| 253 | & sn_rnf, sn_cnf , sn_i_rnf, sn_s_rnf , sn_t_rnf , sn_dep_rnf, & |
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[5385] | 254 | & ln_rnf_mouth , rn_hrnf , rn_avt_rnf, rn_rfact, & |
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| 255 | & ln_rnf_depth_ini , rn_dep_max , rn_rnf_max, nn_rnf_depth_file |
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[1116] | 256 | !!---------------------------------------------------------------------- |
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[3625] | 257 | ! |
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[5431] | 258 | ! !== allocate runoff arrays |
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| 259 | IF( sbc_rnf_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_rnf_alloc : unable to allocate arrays' ) |
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| 260 | ! |
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[14072] | 261 | IF( .NOT. ln_rnf ) THEN ! no specific treatment in vicinity of river mouths |
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[5431] | 262 | ln_rnf_mouth = .FALSE. ! default definition needed for example by sbc_ssr or by tra_adv_muscl |
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| 263 | nkrnf = 0 |
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[7753] | 264 | rnf (:,:) = 0.0_wp |
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| 265 | rnf_b (:,:) = 0.0_wp |
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| 266 | rnfmsk (:,:) = 0.0_wp |
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| 267 | rnfmsk_z(:) = 0.0_wp |
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[5431] | 268 | RETURN |
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| 269 | ENDIF |
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| 270 | ! |
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[1116] | 271 | ! ! ============ |
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| 272 | ! ! Namelist |
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| 273 | ! ! ============ |
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[4147] | 274 | ! |
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| 275 | READ ( numnam_ref, namsbc_rnf, IOSTAT = ios, ERR = 901) |
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[11536] | 276 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in reference namelist' ) |
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[1116] | 277 | |
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[4147] | 278 | READ ( numnam_cfg, namsbc_rnf, IOSTAT = ios, ERR = 902 ) |
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[11536] | 279 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in configuration namelist' ) |
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[4624] | 280 | IF(lwm) WRITE ( numond, namsbc_rnf ) |
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[1116] | 281 | ! |
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| 282 | ! ! Control print |
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| 283 | IF(lwp) THEN |
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| 284 | WRITE(numout,*) |
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[7646] | 285 | WRITE(numout,*) 'sbc_rnf_init : runoff ' |
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| 286 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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[1116] | 287 | WRITE(numout,*) ' Namelist namsbc_rnf' |
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| 288 | WRITE(numout,*) ' specific river mouths treatment ln_rnf_mouth = ', ln_rnf_mouth |
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| 289 | WRITE(numout,*) ' river mouth additional Kz rn_avt_rnf = ', rn_avt_rnf |
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| 290 | WRITE(numout,*) ' depth of river mouth additional mixing rn_hrnf = ', rn_hrnf |
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[3764] | 291 | WRITE(numout,*) ' multiplicative factor for runoff rn_rfact = ', rn_rfact |
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[1116] | 292 | ENDIF |
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| 293 | ! ! ================== |
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| 294 | ! ! Type of runoff |
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| 295 | ! ! ================== |
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| 296 | ! |
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[14072] | 297 | IF( .NOT. l_rnfcpl ) THEN |
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[2528] | 298 | ALLOCATE( sf_rnf(1), STAT=ierror ) ! Create sf_rnf structure (runoff inflow) |
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| 299 | IF(lwp) WRITE(numout,*) |
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[9169] | 300 | IF(lwp) WRITE(numout,*) ' ==>>> runoffs inflow read in a file' |
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[2528] | 301 | IF( ierror > 0 ) THEN |
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[7646] | 302 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_rnf structure' ) ; RETURN |
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[2528] | 303 | ENDIF |
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| 304 | ALLOCATE( sf_rnf(1)%fnow(jpi,jpj,1) ) |
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| 305 | IF( sn_rnf%ln_tint ) ALLOCATE( sf_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 306 | CALL fld_fill( sf_rnf, (/ sn_rnf /), cn_dir, 'sbc_rnf_init', 'read runoffs data', 'namsbc_rnf', no_print ) |
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[12276] | 307 | ! |
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| 308 | IF( ln_rnf_icb ) THEN ! Create (if required) sf_i_rnf structure |
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| 309 | IF(lwp) WRITE(numout,*) |
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| 310 | IF(lwp) WRITE(numout,*) ' iceberg flux read in a file' |
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| 311 | ALLOCATE( sf_i_rnf(1), STAT=ierror ) |
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| 312 | IF( ierror > 0 ) THEN |
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| 313 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_i_rnf structure' ) ; RETURN |
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| 314 | ENDIF |
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| 315 | ALLOCATE( sf_i_rnf(1)%fnow(jpi,jpj,1) ) |
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| 316 | IF( sn_i_rnf%ln_tint ) ALLOCATE( sf_i_rnf(1)%fdta(jpi,jpj,1,2) ) |
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| 317 | CALL fld_fill (sf_i_rnf, (/ sn_i_rnf /), cn_dir, 'sbc_rnf_init', 'read iceberg flux data', 'namsbc_rnf' ) |
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| 318 | ELSE |
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| 319 | fwficb(:,:) = 0._wp |
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| 320 | ENDIF |
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| 321 | |
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[5407] | 322 | ENDIF |
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| 323 | ! |
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| 324 | IF( ln_rnf_tem ) THEN ! Create (if required) sf_t_rnf structure |
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| 325 | IF(lwp) WRITE(numout,*) |
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[9169] | 326 | IF(lwp) WRITE(numout,*) ' ==>>> runoffs temperatures read in a file' |
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[5407] | 327 | ALLOCATE( sf_t_rnf(1), STAT=ierror ) |
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| 328 | IF( ierror > 0 ) THEN |
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| 329 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_t_rnf structure' ) ; RETURN |
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[2528] | 330 | ENDIF |
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[5407] | 331 | ALLOCATE( sf_t_rnf(1)%fnow(jpi,jpj,1) ) |
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| 332 | IF( sn_t_rnf%ln_tint ) ALLOCATE( sf_t_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 333 | CALL fld_fill (sf_t_rnf, (/ sn_t_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff temperature data', 'namsbc_rnf', no_print ) |
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[5407] | 334 | ENDIF |
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| 335 | ! |
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| 336 | IF( ln_rnf_sal ) THEN ! Create (if required) sf_s_rnf and sf_t_rnf structures |
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| 337 | IF(lwp) WRITE(numout,*) |
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[9169] | 338 | IF(lwp) WRITE(numout,*) ' ==>>> runoffs salinities read in a file' |
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[5407] | 339 | ALLOCATE( sf_s_rnf(1), STAT=ierror ) |
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| 340 | IF( ierror > 0 ) THEN |
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| 341 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_s_rnf structure' ) ; RETURN |
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[2528] | 342 | ENDIF |
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[5407] | 343 | ALLOCATE( sf_s_rnf(1)%fnow(jpi,jpj,1) ) |
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| 344 | IF( sn_s_rnf%ln_tint ) ALLOCATE( sf_s_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 345 | CALL fld_fill (sf_s_rnf, (/ sn_s_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff salinity data', 'namsbc_rnf', no_print ) |
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[5407] | 346 | ENDIF |
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| 347 | ! |
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| 348 | IF( ln_rnf_depth ) THEN ! depth of runoffs set from a file |
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| 349 | IF(lwp) WRITE(numout,*) |
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[9169] | 350 | IF(lwp) WRITE(numout,*) ' ==>>> runoffs depth read in a file' |
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[5407] | 351 | rn_dep_file = TRIM( cn_dir )//TRIM( sn_dep_rnf%clname ) |
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[14072] | 352 | IF( .NOT. sn_dep_rnf%ln_clim ) THEN ; WRITE(rn_dep_file, '(a,"_y",i4)' ) TRIM( rn_dep_file ), nyear ! add year |
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| 353 | IF( sn_dep_rnf%clftyp == 'monthly' ) WRITE(rn_dep_file, '(a,"m",i2)' ) TRIM( rn_dep_file ), nmonth ! add month |
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[5407] | 354 | ENDIF |
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[13286] | 355 | CALL iom_open ( rn_dep_file, inum ) ! open file |
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| 356 | CALL iom_get ( inum, jpdom_global, sn_dep_rnf%clvar, h_rnf ) ! read the river mouth array |
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| 357 | CALL iom_close( inum ) ! close file |
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[2528] | 358 | ! |
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[7753] | 359 | nk_rnf(:,:) = 0 ! set the number of level over which river runoffs are applied |
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[13295] | 360 | DO_2D( 1, 1, 1, 1 ) |
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[12377] | 361 | IF( h_rnf(ji,jj) > 0._wp ) THEN |
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| 362 | jk = 2 |
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| 363 | DO WHILE ( jk < mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
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[2528] | 364 | END DO |
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[12377] | 365 | nk_rnf(ji,jj) = jk |
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| 366 | ELSEIF( h_rnf(ji,jj) == -1._wp ) THEN ; nk_rnf(ji,jj) = 1 |
---|
| 367 | ELSEIF( h_rnf(ji,jj) == -999._wp ) THEN ; nk_rnf(ji,jj) = mbkt(ji,jj) |
---|
| 368 | ELSE |
---|
| 369 | CALL ctl_stop( 'sbc_rnf_init: runoff depth not positive, and not -999 or -1, rnf value in file fort.999' ) |
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| 370 | WRITE(999,*) 'ji, jj, h_rnf(ji,jj) :', ji, jj, h_rnf(ji,jj) |
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| 371 | ENDIF |
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| 372 | END_2D |
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[13497] | 373 | DO_2D( 1, 1, 1, 1 ) ! set the associated depth |
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[12377] | 374 | h_rnf(ji,jj) = 0._wp |
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| 375 | DO jk = 1, nk_rnf(ji,jj) |
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| 376 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t(ji,jj,jk,Kmm) |
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[2528] | 377 | END DO |
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[12377] | 378 | END_2D |
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[5407] | 379 | ! |
---|
| 380 | ELSE IF( ln_rnf_depth_ini ) THEN ! runoffs applied at the surface |
---|
| 381 | ! |
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| 382 | IF(lwp) WRITE(numout,*) |
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[9169] | 383 | IF(lwp) WRITE(numout,*) ' ==>>> depth of runoff computed once from max value of runoff' |
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| 384 | IF(lwp) WRITE(numout,*) ' max value of the runoff climatologie (over global domain) rn_rnf_max = ', rn_rnf_max |
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| 385 | IF(lwp) WRITE(numout,*) ' depth over which runoffs is spread rn_dep_max = ', rn_dep_max |
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| 386 | IF(lwp) WRITE(numout,*) ' create (=1) a runoff depth file or not (=0) nn_rnf_depth_file = ', nn_rnf_depth_file |
---|
[5385] | 387 | |
---|
[5407] | 388 | CALL iom_open( TRIM( sn_rnf%clname ), inum ) ! open runoff file |
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[10522] | 389 | nbrec = iom_getszuld( inum ) |
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[13286] | 390 | zrnfcl(:,:,1) = 0._wp ! init the max to 0. in 1 |
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[5407] | 391 | DO jm = 1, nbrec |
---|
[13286] | 392 | CALL iom_get( inum, jpdom_global, TRIM( sn_rnf%clvar ), zrnfcl(:,:,2), jm ) ! read the value in 2 |
---|
| 393 | zrnfcl(:,:,1) = MAXVAL( zrnfcl(:,:,:), DIM=3 ) ! store the maximum value in time in 1 |
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[5407] | 394 | END DO |
---|
| 395 | CALL iom_close( inum ) |
---|
| 396 | ! |
---|
[7753] | 397 | h_rnf(:,:) = 1. |
---|
| 398 | ! |
---|
[5407] | 399 | zacoef = rn_dep_max / rn_rnf_max ! coef of linear relation between runoff and its depth (150m for max of runoff) |
---|
| 400 | ! |
---|
[10523] | 401 | WHERE( zrnfcl(:,:,1) > 0._wp ) h_rnf(:,:) = zacoef * zrnfcl(:,:,1) ! compute depth for all runoffs |
---|
[5407] | 402 | ! |
---|
[13497] | 403 | DO_2D( 1, 1, 1, 1 ) ! take in account min depth of ocean rn_hmin |
---|
[12377] | 404 | IF( zrnfcl(ji,jj,1) > 0._wp ) THEN |
---|
| 405 | jk = mbkt(ji,jj) |
---|
| 406 | h_rnf(ji,jj) = MIN( h_rnf(ji,jj), gdept_0(ji,jj,jk ) ) |
---|
| 407 | ENDIF |
---|
| 408 | END_2D |
---|
[5407] | 409 | ! |
---|
[7753] | 410 | nk_rnf(:,:) = 0 ! number of levels on which runoffs are distributed |
---|
[13295] | 411 | DO_2D( 1, 1, 1, 1 ) |
---|
[12377] | 412 | IF( zrnfcl(ji,jj,1) > 0._wp ) THEN |
---|
| 413 | jk = 2 |
---|
| 414 | DO WHILE ( jk < mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
---|
| 415 | END DO |
---|
| 416 | nk_rnf(ji,jj) = jk |
---|
| 417 | ELSE |
---|
| 418 | nk_rnf(ji,jj) = 1 |
---|
| 419 | ENDIF |
---|
| 420 | END_2D |
---|
[5407] | 421 | ! |
---|
[13497] | 422 | DO_2D( 1, 1, 1, 1 ) ! set the associated depth |
---|
[12377] | 423 | h_rnf(ji,jj) = 0._wp |
---|
| 424 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 425 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t(ji,jj,jk,Kmm) |
---|
[5385] | 426 | END DO |
---|
[12377] | 427 | END_2D |
---|
[5407] | 428 | ! |
---|
| 429 | IF( nn_rnf_depth_file == 1 ) THEN ! save output nb levels for runoff |
---|
[9169] | 430 | IF(lwp) WRITE(numout,*) ' ==>>> create runoff depht file' |
---|
[10425] | 431 | CALL iom_open ( TRIM( sn_dep_rnf%clname ), inum, ldwrt = .TRUE. ) |
---|
[5407] | 432 | CALL iom_rstput( 0, 0, inum, 'rodepth', h_rnf ) |
---|
| 433 | CALL iom_close ( inum ) |
---|
[3764] | 434 | ENDIF |
---|
[5407] | 435 | ELSE ! runoffs applied at the surface |
---|
[7753] | 436 | nk_rnf(:,:) = 1 |
---|
[12377] | 437 | h_rnf (:,:) = e3t(:,:,1,Kmm) |
---|
[1116] | 438 | ENDIF |
---|
[2528] | 439 | ! |
---|
[7753] | 440 | rnf(:,:) = 0._wp ! runoff initialisation |
---|
| 441 | rnf_tsc(:,:,:) = 0._wp ! runoffs temperature & salinty contents initilisation |
---|
[2528] | 442 | ! |
---|
[1116] | 443 | ! ! ======================== |
---|
| 444 | ! ! River mouth vicinity |
---|
| 445 | ! ! ======================== |
---|
| 446 | ! |
---|
| 447 | IF( ln_rnf_mouth ) THEN ! Specific treatment in vicinity of river mouths : |
---|
| 448 | ! ! - Increase Kz in surface layers ( rn_hrnf > 0 ) |
---|
| 449 | ! ! - set to zero SSS damping (ln_ssr=T) |
---|
| 450 | ! ! - mixed upstream-centered (ln_traadv_cen2=T) |
---|
| 451 | ! |
---|
[12276] | 452 | IF( ln_rnf_depth ) CALL ctl_warn( 'sbc_rnf_init: increased mixing turned on but effects may already', & |
---|
[3764] | 453 | & 'be spread through depth by ln_rnf_depth' ) |
---|
[2528] | 454 | ! |
---|
| 455 | nkrnf = 0 ! Number of level over which Kz increase |
---|
| 456 | IF( rn_hrnf > 0._wp ) THEN |
---|
[1116] | 457 | nkrnf = 2 |
---|
[5407] | 458 | DO WHILE( nkrnf /= jpkm1 .AND. gdepw_1d(nkrnf+1) < rn_hrnf ) ; nkrnf = nkrnf + 1 |
---|
| 459 | END DO |
---|
[7646] | 460 | IF( ln_sco ) CALL ctl_warn( 'sbc_rnf_init: number of levels over which Kz is increased is computed for zco...' ) |
---|
[1116] | 461 | ENDIF |
---|
| 462 | IF(lwp) WRITE(numout,*) |
---|
[9169] | 463 | IF(lwp) WRITE(numout,*) ' ==>>> Specific treatment used in vicinity of river mouths :' |
---|
[1116] | 464 | IF(lwp) WRITE(numout,*) ' - Increase Kz in surface layers (if rn_hrnf > 0 )' |
---|
| 465 | IF(lwp) WRITE(numout,*) ' by ', rn_avt_rnf,' m2/s over ', nkrnf, ' w-levels' |
---|
| 466 | IF(lwp) WRITE(numout,*) ' - set to zero SSS damping (if ln_ssr=T)' |
---|
| 467 | IF(lwp) WRITE(numout,*) ' - mixed upstream-centered (if ln_traadv_cen2=T)' |
---|
| 468 | ! |
---|
| 469 | CALL rnf_mouth ! set river mouth mask |
---|
| 470 | ! |
---|
| 471 | ELSE ! No treatment at river mouths |
---|
| 472 | IF(lwp) WRITE(numout,*) |
---|
[9169] | 473 | IF(lwp) WRITE(numout,*) ' ==>>> No specific treatment at river mouths' |
---|
[7753] | 474 | rnfmsk (:,:) = 0._wp |
---|
| 475 | rnfmsk_z(:) = 0._wp |
---|
[1116] | 476 | nkrnf = 0 |
---|
| 477 | ENDIF |
---|
[3625] | 478 | ! |
---|
[1116] | 479 | END SUBROUTINE sbc_rnf_init |
---|
| 480 | |
---|
| 481 | |
---|
[888] | 482 | SUBROUTINE rnf_mouth |
---|
| 483 | !!---------------------------------------------------------------------- |
---|
| 484 | !! *** ROUTINE rnf_mouth *** |
---|
[3764] | 485 | !! |
---|
[888] | 486 | !! ** Purpose : define the river mouths mask |
---|
| 487 | !! |
---|
| 488 | !! ** Method : read the river mouth mask (=0/1) in the river runoff |
---|
[3764] | 489 | !! climatological file. Defined a given vertical structure. |
---|
| 490 | !! CAUTION, the vertical structure is hard coded on the |
---|
[888] | 491 | !! first 5 levels. |
---|
| 492 | !! This fields can be used to: |
---|
[3764] | 493 | !! - set an upstream advection scheme |
---|
[1116] | 494 | !! (ln_rnf_mouth=T and ln_traadv_cen2=T) |
---|
[3764] | 495 | !! - increase vertical on the top nn_krnf vertical levels |
---|
[888] | 496 | !! at river runoff input grid point (nn_krnf>=2, see step.F90) |
---|
| 497 | !! - set to zero SSS restoring flux at river mouth grid points |
---|
| 498 | !! |
---|
| 499 | !! ** Action : rnfmsk set to 1 at river runoff input, 0 elsewhere |
---|
| 500 | !! rnfmsk_z vertical structure |
---|
| 501 | !!---------------------------------------------------------------------- |
---|
[2784] | 502 | INTEGER :: inum ! temporary integers |
---|
| 503 | CHARACTER(len=140) :: cl_rnfile ! runoff file name |
---|
[888] | 504 | !!---------------------------------------------------------------------- |
---|
[3764] | 505 | ! |
---|
[888] | 506 | IF(lwp) WRITE(numout,*) |
---|
[7646] | 507 | IF(lwp) WRITE(numout,*) ' rnf_mouth : river mouth mask' |
---|
| 508 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~ ' |
---|
[3625] | 509 | ! |
---|
[1133] | 510 | cl_rnfile = TRIM( cn_dir )//TRIM( sn_cnf%clname ) |
---|
| 511 | IF( .NOT. sn_cnf%ln_clim ) THEN ; WRITE(cl_rnfile, '(a,"_y",i4)' ) TRIM( cl_rnfile ), nyear ! add year |
---|
[13286] | 512 | IF( sn_cnf%clftyp == 'monthly' ) WRITE(cl_rnfile, '(a,"m",i2)' ) TRIM( cl_rnfile ), nmonth ! add month |
---|
[1133] | 513 | ENDIF |
---|
[3625] | 514 | ! |
---|
[888] | 515 | ! horizontal mask (read in NetCDF file) |
---|
[13286] | 516 | CALL iom_open ( cl_rnfile, inum ) ! open file |
---|
| 517 | CALL iom_get ( inum, jpdom_global, sn_cnf%clvar, rnfmsk ) ! read the river mouth array |
---|
| 518 | CALL iom_close( inum ) ! close file |
---|
[3625] | 519 | ! |
---|
[9161] | 520 | IF( l_clo_rnf ) CALL clo_rnf( rnfmsk ) ! closed sea inflow set as river mouth |
---|
[3625] | 521 | ! |
---|
[3764] | 522 | rnfmsk_z(:) = 0._wp ! vertical structure |
---|
[888] | 523 | rnfmsk_z(1) = 1.0 |
---|
| 524 | rnfmsk_z(2) = 1.0 ! ********** |
---|
| 525 | rnfmsk_z(3) = 0.5 ! HARD CODED on the 5 first levels |
---|
| 526 | rnfmsk_z(4) = 0.25 ! ********** |
---|
| 527 | rnfmsk_z(5) = 0.125 |
---|
[3764] | 528 | ! |
---|
[888] | 529 | END SUBROUTINE rnf_mouth |
---|
[3764] | 530 | |
---|
[888] | 531 | !!====================================================================== |
---|
| 532 | END MODULE sbcrnf |
---|