[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 sbcisf ! PM we could remove it I think |
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| 22 | USE eosbn2 ! Equation Of State |
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[7646] | 23 | USE usrdef_closea ! closed seas |
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[6140] | 24 | ! |
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| 25 | USE in_out_manager ! I/O manager |
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| 26 | USE fldread ! read input field at current time step |
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| 27 | USE iom ! I/O module |
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| 28 | USE lib_mpp ! MPP library |
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| 29 | USE wrk_nemo ! Memory allocation |
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[888] | 30 | |
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| 31 | IMPLICIT NONE |
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| 32 | PRIVATE |
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| 33 | |
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[6140] | 34 | PUBLIC sbc_rnf ! called in sbcmod module |
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| 35 | PUBLIC sbc_rnf_div ! called in divhor module |
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| 36 | PUBLIC sbc_rnf_alloc ! called in sbcmod module |
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| 37 | PUBLIC sbc_rnf_init ! called in sbcmod module |
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[5836] | 38 | |
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[6140] | 39 | ! !!* namsbc_rnf namelist * |
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| 40 | CHARACTER(len=100) :: cn_dir !: Root directory for location of rnf files |
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[5431] | 41 | LOGICAL :: ln_rnf_depth !: depth river runoffs attribute specified in a file |
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[6140] | 42 | LOGICAL :: ln_rnf_depth_ini !: depth river runoffs computed at the initialisation |
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| 43 | REAL(wp) :: rn_rnf_max !: maximum value of the runoff climatologie (ln_rnf_depth_ini =T) |
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| 44 | REAL(wp) :: rn_dep_max !: depth over which runoffs is spread (ln_rnf_depth_ini =T) |
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| 45 | INTEGER :: nn_rnf_depth_file !: create (=1) a runoff depth file or not (=0) |
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| 46 | LOGICAL :: ln_rnf_tem !: temperature river runoffs attribute specified in a file |
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| 47 | LOGICAL , PUBLIC :: ln_rnf_sal !: salinity river runoffs attribute specified in a file |
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| 48 | TYPE(FLD_N) , PUBLIC :: sn_rnf !: information about the runoff file to be read |
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| 49 | TYPE(FLD_N) :: sn_cnf !: information about the runoff mouth file to be read |
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| 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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| 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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[3764] | 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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| 68 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_s_rnf ! structure: river runoff salinity (file information, fields read) |
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| 69 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_t_rnf ! structure: river runoff temperature (file information, fields read) |
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[2528] | 70 | |
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[888] | 71 | !!---------------------------------------------------------------------- |
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[2528] | 72 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1146] | 73 | !! $Id$ |
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[2528] | 74 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[888] | 75 | !!---------------------------------------------------------------------- |
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| 76 | CONTAINS |
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| 77 | |
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[2715] | 78 | INTEGER FUNCTION sbc_rnf_alloc() |
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| 79 | !!---------------------------------------------------------------------- |
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| 80 | !! *** ROUTINE sbc_rnf_alloc *** |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | ALLOCATE( rnfmsk(jpi,jpj) , rnfmsk_z(jpk) , & |
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| 83 | & h_rnf (jpi,jpj) , nk_rnf (jpi,jpj) , & |
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| 84 | & rnf_tsc_b(jpi,jpj,jpts) , rnf_tsc (jpi,jpj,jpts) , STAT=sbc_rnf_alloc ) |
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| 85 | ! |
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| 86 | IF( lk_mpp ) CALL mpp_sum ( sbc_rnf_alloc ) |
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| 87 | IF( sbc_rnf_alloc > 0 ) CALL ctl_warn('sbc_rnf_alloc: allocation of arrays failed') |
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| 88 | END FUNCTION sbc_rnf_alloc |
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| 89 | |
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[3625] | 90 | |
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[888] | 91 | SUBROUTINE sbc_rnf( kt ) |
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| 92 | !!---------------------------------------------------------------------- |
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| 93 | !! *** ROUTINE sbc_rnf *** |
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[3764] | 94 | !! |
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[888] | 95 | !! ** Purpose : Introduce a climatological run off forcing |
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| 96 | !! |
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[3764] | 97 | !! ** Method : Set each river mouth with a monthly climatology |
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[888] | 98 | !! provided from different data. |
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| 99 | !! CAUTION : upward water flux, runoff forced to be < 0 |
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| 100 | !! |
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| 101 | !! ** Action : runoff updated runoff field at time-step kt |
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| 102 | !!---------------------------------------------------------------------- |
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| 103 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[3625] | 104 | ! |
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[7753] | 105 | INTEGER :: ji, jj ! dummy loop indices |
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| 106 | INTEGER :: z_err = 0 ! dummy integer for error handling |
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[888] | 107 | !!---------------------------------------------------------------------- |
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[4990] | 108 | REAL(wp), DIMENSION(:,:), POINTER :: ztfrz ! freezing point used for temperature correction |
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[3764] | 109 | ! |
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[4990] | 110 | CALL wrk_alloc( jpi,jpj, ztfrz) |
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[6460] | 111 | ! |
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[5407] | 112 | ! !-------------------! |
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| 113 | ! ! Update runoff ! |
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| 114 | ! !-------------------! |
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| 115 | ! |
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| 116 | IF( .NOT. l_rnfcpl ) CALL fld_read ( kt, nn_fsbc, sf_rnf ) ! Read Runoffs data and provide it at kt |
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| 117 | IF( ln_rnf_tem ) CALL fld_read ( kt, nn_fsbc, sf_t_rnf ) ! idem for runoffs temperature if required |
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| 118 | IF( ln_rnf_sal ) CALL fld_read ( kt, nn_fsbc, sf_s_rnf ) ! idem for runoffs salinity if required |
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| 119 | ! |
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| 120 | IF( MOD( kt - 1, nn_fsbc ) == 0 ) THEN |
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[888] | 121 | ! |
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[7753] | 122 | IF( .NOT. l_rnfcpl ) rnf(:,:) = rn_rfact * ( sf_rnf(1)%fnow(:,:,1) ) ! updated runoff value at time step kt |
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[2528] | 123 | ! |
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[5407] | 124 | ! ! set temperature & salinity content of runoffs |
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| 125 | IF( ln_rnf_tem ) THEN ! use runoffs temperature data |
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[7753] | 126 | rnf_tsc(:,:,jp_tem) = ( sf_t_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
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[6140] | 127 | CALL eos_fzp( sss_m(:,:), ztfrz(:,:) ) |
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[7753] | 128 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -999._wp ) ! if missing data value use SST as runoffs temperature |
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| 129 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
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| 130 | END WHERE |
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| 131 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -222._wp ) ! where fwf comes from melting of ice shelves or iceberg |
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| 132 | rnf_tsc(:,:,jp_tem) = ztfrz(:,:) * rnf(:,:) * r1_rau0 - rnf(:,:) * rlfusisf * r1_rau0_rcp |
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| 133 | END WHERE |
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[5407] | 134 | ELSE ! use SST as runoffs temperature |
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[7753] | 135 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
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| 136 | ENDIF |
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[5407] | 137 | ! ! use runoffs salinity data |
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[7753] | 138 | IF( ln_rnf_sal ) rnf_tsc(:,:,jp_sal) = ( sf_s_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
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| 139 | ! ! else use S=0 for runoffs (done one for all in the init) |
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[7968] | 140 | IF( iom_use('runoffs') ) CALL iom_put( 'runoffs' , rnf(:,:) ) ! output runoff mass flux |
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| 141 | IF( iom_use('hflx_rnf_cea') ) CALL iom_put( 'hflx_rnf_cea', rnf_tsc(:,:,jp_tem) * rau0 * rcp ) ! output runoff sensible heat (W/m2) |
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[2528] | 142 | ENDIF |
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| 143 | ! |
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[5407] | 144 | ! ! ---------------------------------------- ! |
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[2528] | 145 | IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 ! |
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| 146 | ! ! ---------------------------------------- ! |
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| 147 | IF( ln_rstart .AND. & !* Restart: read in restart file |
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[3764] | 148 | & iom_varid( numror, 'rnf_b', ldstop = .FALSE. ) > 0 ) THEN |
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[2528] | 149 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields red in the restart file' |
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| 150 | CALL iom_get( numror, jpdom_autoglo, 'rnf_b', rnf_b ) ! before runoff |
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| 151 | CALL iom_get( numror, jpdom_autoglo, 'rnf_hc_b', rnf_tsc_b(:,:,jp_tem) ) ! before heat content of runoff |
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| 152 | CALL iom_get( numror, jpdom_autoglo, 'rnf_sc_b', rnf_tsc_b(:,:,jp_sal) ) ! before salinity content of runoff |
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| 153 | ELSE !* no restart: set from nit000 values |
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| 154 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields set to nit000' |
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[7753] | 155 | rnf_b (:,: ) = rnf (:,: ) |
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| 156 | rnf_tsc_b(:,:,:) = rnf_tsc(:,:,:) |
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[2528] | 157 | ENDIF |
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| 158 | ENDIF |
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| 159 | ! ! ---------------------------------------- ! |
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| 160 | IF( lrst_oce ) THEN ! Write in the ocean restart file ! |
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| 161 | ! ! ---------------------------------------- ! |
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| 162 | IF(lwp) WRITE(numout,*) |
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| 163 | IF(lwp) WRITE(numout,*) 'sbcrnf : runoff forcing fields written in ocean restart file ', & |
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| 164 | & 'at it= ', kt,' date= ', ndastp |
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| 165 | IF(lwp) WRITE(numout,*) '~~~~' |
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| 166 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_b' , rnf ) |
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| 167 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_hc_b', rnf_tsc(:,:,jp_tem) ) |
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| 168 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_sc_b', rnf_tsc(:,:,jp_sal) ) |
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| 169 | ENDIF |
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[5407] | 170 | ! |
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[4990] | 171 | CALL wrk_dealloc( jpi,jpj, ztfrz) |
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[2528] | 172 | ! |
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| 173 | END SUBROUTINE sbc_rnf |
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| 174 | |
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| 175 | |
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| 176 | SUBROUTINE sbc_rnf_div( phdivn ) |
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| 177 | !!---------------------------------------------------------------------- |
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| 178 | !! *** ROUTINE sbc_rnf *** |
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[3764] | 179 | !! |
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[2528] | 180 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
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| 181 | !! |
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[3764] | 182 | !! ** Method : |
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| 183 | !! CAUTION : rnf is positive (inflow) decreasing the |
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[2528] | 184 | !! divergence and expressed in m/s |
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| 185 | !! |
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| 186 | !! ** Action : phdivn decreased by the runoff inflow |
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| 187 | !!---------------------------------------------------------------------- |
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[2715] | 188 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: phdivn ! horizontal divergence |
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[2528] | 189 | !! |
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[7753] | 190 | INTEGER :: ji, jj, jk ! dummy loop indices |
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[2528] | 191 | REAL(wp) :: zfact ! local scalar |
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| 192 | !!---------------------------------------------------------------------- |
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| 193 | ! |
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| 194 | zfact = 0.5_wp |
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| 195 | ! |
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[5503] | 196 | IF( ln_rnf_depth .OR. ln_rnf_depth_ini ) THEN !== runoff distributed over several levels ==! |
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[6140] | 197 | IF( ln_linssh ) THEN !* constant volume case : just apply the runoff input flow |
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| 198 | DO jj = 1, jpj |
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[2528] | 199 | DO ji = 1, jpi |
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| 200 | DO jk = 1, nk_rnf(ji,jj) |
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| 201 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rau0 / h_rnf(ji,jj) |
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| 202 | END DO |
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| 203 | END DO |
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| 204 | END DO |
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[6140] | 205 | ELSE !* variable volume case |
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| 206 | DO jj = 1, jpj ! update the depth over which runoffs are distributed |
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[888] | 207 | DO ji = 1, jpi |
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[6140] | 208 | h_rnf(ji,jj) = 0._wp |
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| 209 | DO jk = 1, nk_rnf(ji,jj) ! recalculates h_rnf to be the depth in metres |
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| 210 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t_n(ji,jj,jk) ! to the bottom of the relevant grid box |
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| 211 | END DO |
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| 212 | ! ! apply the runoff input flow |
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[2528] | 213 | DO jk = 1, nk_rnf(ji,jj) |
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| 214 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rau0 / h_rnf(ji,jj) |
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| 215 | END DO |
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[888] | 216 | END DO |
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| 217 | END DO |
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| 218 | ENDIF |
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[2528] | 219 | ELSE !== runoff put only at the surface ==! |
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[7753] | 220 | h_rnf (:,:) = e3t_n (:,:,1) ! update h_rnf to be depth of top box |
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| 221 | phdivn(:,:,1) = phdivn(:,:,1) - ( rnf(:,:) + rnf_b(:,:) ) * zfact * r1_rau0 / e3t_n(:,:,1) |
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[888] | 222 | ENDIF |
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| 223 | ! |
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[2528] | 224 | END SUBROUTINE sbc_rnf_div |
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[888] | 225 | |
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| 226 | |
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[2528] | 227 | SUBROUTINE sbc_rnf_init |
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[1116] | 228 | !!---------------------------------------------------------------------- |
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| 229 | !! *** ROUTINE sbc_rnf_init *** |
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| 230 | !! |
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| 231 | !! ** Purpose : Initialisation of the runoffs if (ln_rnf=T) |
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| 232 | !! |
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| 233 | !! ** Method : - read the runoff namsbc_rnf namelist |
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| 234 | !! |
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| 235 | !! ** Action : - read parameters |
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| 236 | !!---------------------------------------------------------------------- |
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[3764] | 237 | CHARACTER(len=32) :: rn_dep_file ! runoff file name |
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[7753] | 238 | INTEGER :: ji, jj, jk, jm ! dummy loop indices |
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[2528] | 239 | INTEGER :: ierror, inum ! temporary integer |
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[4147] | 240 | INTEGER :: ios ! Local integer output status for namelist read |
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[5385] | 241 | INTEGER :: nbrec ! temporary integer |
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| 242 | REAL(wp) :: zacoef |
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| 243 | REAL(wp), DIMENSION(12) :: zrec ! times records |
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| 244 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zrnfcl |
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| 245 | REAL(wp), DIMENSION(:,: ), ALLOCATABLE :: zrnf |
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[3625] | 246 | ! |
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[5407] | 247 | NAMELIST/namsbc_rnf/ cn_dir , ln_rnf_depth, ln_rnf_tem, ln_rnf_sal, & |
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[3764] | 248 | & sn_rnf, sn_cnf , sn_s_rnf , sn_t_rnf , sn_dep_rnf, & |
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[5385] | 249 | & ln_rnf_mouth , rn_hrnf , rn_avt_rnf, rn_rfact, & |
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| 250 | & ln_rnf_depth_ini , rn_dep_max , rn_rnf_max, nn_rnf_depth_file |
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[1116] | 251 | !!---------------------------------------------------------------------- |
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[3625] | 252 | ! |
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[5431] | 253 | ! !== allocate runoff arrays |
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| 254 | IF( sbc_rnf_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_rnf_alloc : unable to allocate arrays' ) |
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| 255 | ! |
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| 256 | IF( .NOT. ln_rnf ) THEN ! no specific treatment in vicinity of river mouths |
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| 257 | ln_rnf_mouth = .FALSE. ! default definition needed for example by sbc_ssr or by tra_adv_muscl |
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| 258 | nkrnf = 0 |
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[7753] | 259 | rnf (:,:) = 0.0_wp |
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| 260 | rnf_b (:,:) = 0.0_wp |
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| 261 | rnfmsk (:,:) = 0.0_wp |
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| 262 | rnfmsk_z(:) = 0.0_wp |
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[5431] | 263 | RETURN |
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| 264 | ENDIF |
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| 265 | ! |
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[1116] | 266 | ! ! ============ |
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| 267 | ! ! Namelist |
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| 268 | ! ! ============ |
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[4147] | 269 | ! |
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| 270 | REWIND( numnam_ref ) ! Namelist namsbc_rnf in reference namelist : Runoffs |
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| 271 | READ ( numnam_ref, namsbc_rnf, IOSTAT = ios, ERR = 901) |
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| 272 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in reference namelist', lwp ) |
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[1116] | 273 | |
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[4147] | 274 | REWIND( numnam_cfg ) ! Namelist namsbc_rnf in configuration namelist : Runoffs |
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| 275 | READ ( numnam_cfg, namsbc_rnf, IOSTAT = ios, ERR = 902 ) |
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| 276 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in configuration namelist', lwp ) |
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[4624] | 277 | IF(lwm) WRITE ( numond, namsbc_rnf ) |
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[1116] | 278 | ! |
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| 279 | ! ! Control print |
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| 280 | IF(lwp) THEN |
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| 281 | WRITE(numout,*) |
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[7646] | 282 | WRITE(numout,*) 'sbc_rnf_init : runoff ' |
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| 283 | WRITE(numout,*) '~~~~~~~~~~~~ ' |
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[1116] | 284 | WRITE(numout,*) ' Namelist namsbc_rnf' |
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| 285 | WRITE(numout,*) ' specific river mouths treatment ln_rnf_mouth = ', ln_rnf_mouth |
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| 286 | WRITE(numout,*) ' river mouth additional Kz rn_avt_rnf = ', rn_avt_rnf |
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| 287 | WRITE(numout,*) ' depth of river mouth additional mixing rn_hrnf = ', rn_hrnf |
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[3764] | 288 | WRITE(numout,*) ' multiplicative factor for runoff rn_rfact = ', rn_rfact |
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[1116] | 289 | ENDIF |
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| 290 | ! ! ================== |
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| 291 | ! ! Type of runoff |
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| 292 | ! ! ================== |
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| 293 | ! |
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[5407] | 294 | IF( .NOT. l_rnfcpl ) THEN |
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[2528] | 295 | ALLOCATE( sf_rnf(1), STAT=ierror ) ! Create sf_rnf structure (runoff inflow) |
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| 296 | IF(lwp) WRITE(numout,*) |
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| 297 | IF(lwp) WRITE(numout,*) ' runoffs inflow read in a file' |
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| 298 | IF( ierror > 0 ) THEN |
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[7646] | 299 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_rnf structure' ) ; RETURN |
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[2528] | 300 | ENDIF |
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| 301 | ALLOCATE( sf_rnf(1)%fnow(jpi,jpj,1) ) |
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| 302 | IF( sn_rnf%ln_tint ) ALLOCATE( sf_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 303 | CALL fld_fill( sf_rnf, (/ sn_rnf /), cn_dir, 'sbc_rnf_init', 'read runoffs data', 'namsbc_rnf', no_print ) |
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[5407] | 304 | ENDIF |
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| 305 | ! |
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| 306 | IF( ln_rnf_tem ) THEN ! Create (if required) sf_t_rnf structure |
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| 307 | IF(lwp) WRITE(numout,*) |
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| 308 | IF(lwp) WRITE(numout,*) ' runoffs temperatures read in a file' |
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| 309 | ALLOCATE( sf_t_rnf(1), STAT=ierror ) |
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| 310 | IF( ierror > 0 ) THEN |
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| 311 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_t_rnf structure' ) ; RETURN |
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[2528] | 312 | ENDIF |
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[5407] | 313 | ALLOCATE( sf_t_rnf(1)%fnow(jpi,jpj,1) ) |
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| 314 | IF( sn_t_rnf%ln_tint ) ALLOCATE( sf_t_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 315 | 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] | 316 | ENDIF |
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| 317 | ! |
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| 318 | IF( ln_rnf_sal ) THEN ! Create (if required) sf_s_rnf and sf_t_rnf structures |
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| 319 | IF(lwp) WRITE(numout,*) |
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| 320 | IF(lwp) WRITE(numout,*) ' runoffs salinities read in a file' |
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| 321 | ALLOCATE( sf_s_rnf(1), STAT=ierror ) |
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| 322 | IF( ierror > 0 ) THEN |
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| 323 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_s_rnf structure' ) ; RETURN |
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[2528] | 324 | ENDIF |
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[5407] | 325 | ALLOCATE( sf_s_rnf(1)%fnow(jpi,jpj,1) ) |
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| 326 | IF( sn_s_rnf%ln_tint ) ALLOCATE( sf_s_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[7646] | 327 | 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] | 328 | ENDIF |
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| 329 | ! |
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| 330 | IF( ln_rnf_depth ) THEN ! depth of runoffs set from a file |
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| 331 | IF(lwp) WRITE(numout,*) |
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| 332 | IF(lwp) WRITE(numout,*) ' runoffs depth read in a file' |
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| 333 | rn_dep_file = TRIM( cn_dir )//TRIM( sn_dep_rnf%clname ) |
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| 334 | 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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| 335 | IF( sn_dep_rnf%cltype == 'monthly' ) WRITE(rn_dep_file, '(a,"m",i2)' ) TRIM( rn_dep_file ), nmonth ! add month |
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| 336 | ENDIF |
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| 337 | CALL iom_open ( rn_dep_file, inum ) ! open file |
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| 338 | CALL iom_get ( inum, jpdom_data, sn_dep_rnf%clvar, h_rnf ) ! read the river mouth array |
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| 339 | CALL iom_close( inum ) ! close file |
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[2528] | 340 | ! |
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[7753] | 341 | nk_rnf(:,:) = 0 ! set the number of level over which river runoffs are applied |
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[5407] | 342 | DO jj = 1, jpj |
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| 343 | DO ji = 1, jpi |
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| 344 | IF( h_rnf(ji,jj) > 0._wp ) THEN |
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| 345 | jk = 2 |
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| 346 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
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| 347 | END DO |
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| 348 | nk_rnf(ji,jj) = jk |
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| 349 | ELSEIF( h_rnf(ji,jj) == -1._wp ) THEN ; nk_rnf(ji,jj) = 1 |
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| 350 | ELSEIF( h_rnf(ji,jj) == -999._wp ) THEN ; nk_rnf(ji,jj) = mbkt(ji,jj) |
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| 351 | ELSE |
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| 352 | 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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| 353 | WRITE(999,*) 'ji, jj, h_rnf(ji,jj) :', ji, jj, h_rnf(ji,jj) |
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| 354 | ENDIF |
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[3764] | 355 | END DO |
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[5407] | 356 | END DO |
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| 357 | DO jj = 1, jpj ! set the associated depth |
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| 358 | DO ji = 1, jpi |
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| 359 | h_rnf(ji,jj) = 0._wp |
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| 360 | DO jk = 1, nk_rnf(ji,jj) |
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[6140] | 361 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t_n(ji,jj,jk) |
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[2528] | 362 | END DO |
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| 363 | END DO |
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[5407] | 364 | END DO |
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| 365 | ! |
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| 366 | ELSE IF( ln_rnf_depth_ini ) THEN ! runoffs applied at the surface |
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| 367 | ! |
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| 368 | IF(lwp) WRITE(numout,*) |
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| 369 | IF(lwp) WRITE(numout,*) ' depth of runoff computed once from max value of runoff' |
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| 370 | IF(lwp) WRITE(numout,*) ' max value of the runoff climatologie (over global domain) rn_rnf_max = ', rn_rnf_max |
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| 371 | IF(lwp) WRITE(numout,*) ' depth over which runoffs is spread rn_dep_max = ', rn_dep_max |
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| 372 | IF(lwp) WRITE(numout,*) ' create (=1) a runoff depth file or not (=0) nn_rnf_depth_file = ', nn_rnf_depth_file |
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[5385] | 373 | |
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[5407] | 374 | CALL iom_open( TRIM( sn_rnf%clname ), inum ) ! open runoff file |
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| 375 | CALL iom_gettime( inum, zrec, kntime=nbrec) |
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| 376 | ALLOCATE( zrnfcl(jpi,jpj,nbrec) ) ; ALLOCATE( zrnf(jpi,jpj) ) |
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| 377 | DO jm = 1, nbrec |
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| 378 | CALL iom_get( inum, jpdom_data, TRIM( sn_rnf%clvar ), zrnfcl(:,:,jm), jm ) |
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| 379 | END DO |
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| 380 | CALL iom_close( inum ) |
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| 381 | zrnf(:,:) = MAXVAL( zrnfcl(:,:,:), DIM=3 ) ! maximum value in time |
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| 382 | DEALLOCATE( zrnfcl ) |
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| 383 | ! |
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[7753] | 384 | h_rnf(:,:) = 1. |
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| 385 | ! |
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[5407] | 386 | zacoef = rn_dep_max / rn_rnf_max ! coef of linear relation between runoff and its depth (150m for max of runoff) |
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| 387 | ! |
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[7753] | 388 | WHERE( zrnf(:,:) > 0._wp ) h_rnf(:,:) = zacoef * zrnf(:,:) ! compute depth for all runoffs |
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[5407] | 389 | ! |
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| 390 | DO jj = 1, jpj ! take in account min depth of ocean rn_hmin |
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| 391 | DO ji = 1, jpi |
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| 392 | IF( zrnf(ji,jj) > 0._wp ) THEN |
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| 393 | jk = mbkt(ji,jj) |
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| 394 | h_rnf(ji,jj) = MIN( h_rnf(ji,jj), gdept_0(ji,jj,jk ) ) |
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| 395 | ENDIF |
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[5385] | 396 | END DO |
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[5407] | 397 | END DO |
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| 398 | ! |
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[7753] | 399 | nk_rnf(:,:) = 0 ! number of levels on which runoffs are distributed |
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[5407] | 400 | DO jj = 1, jpj |
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| 401 | DO ji = 1, jpi |
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| 402 | IF( zrnf(ji,jj) > 0._wp ) THEN |
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| 403 | jk = 2 |
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| 404 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
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| 405 | END DO |
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| 406 | nk_rnf(ji,jj) = jk |
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| 407 | ELSE |
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| 408 | nk_rnf(ji,jj) = 1 |
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| 409 | ENDIF |
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[5385] | 410 | END DO |
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[5407] | 411 | END DO |
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| 412 | ! |
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| 413 | DEALLOCATE( zrnf ) |
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| 414 | ! |
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| 415 | DO jj = 1, jpj ! set the associated depth |
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| 416 | DO ji = 1, jpi |
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| 417 | h_rnf(ji,jj) = 0._wp |
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| 418 | DO jk = 1, nk_rnf(ji,jj) |
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[6140] | 419 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t_n(ji,jj,jk) |
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[5385] | 420 | END DO |
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| 421 | END DO |
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[5407] | 422 | END DO |
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| 423 | ! |
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| 424 | IF( nn_rnf_depth_file == 1 ) THEN ! save output nb levels for runoff |
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| 425 | IF(lwp) WRITE(numout,*) ' create runoff depht file' |
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| 426 | CALL iom_open ( TRIM( sn_dep_rnf%clname ), inum, ldwrt = .TRUE., kiolib = jprstlib ) |
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| 427 | CALL iom_rstput( 0, 0, inum, 'rodepth', h_rnf ) |
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| 428 | CALL iom_close ( inum ) |
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[3764] | 429 | ENDIF |
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[5407] | 430 | ELSE ! runoffs applied at the surface |
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[7753] | 431 | nk_rnf(:,:) = 1 |
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| 432 | h_rnf (:,:) = e3t_n(:,:,1) |
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[1116] | 433 | ENDIF |
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[2528] | 434 | ! |
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[7753] | 435 | rnf(:,:) = 0._wp ! runoff initialisation |
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| 436 | rnf_tsc(:,:,:) = 0._wp ! runoffs temperature & salinty contents initilisation |
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[2528] | 437 | ! |
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[1116] | 438 | ! ! ======================== |
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| 439 | ! ! River mouth vicinity |
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| 440 | ! ! ======================== |
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| 441 | ! |
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| 442 | IF( ln_rnf_mouth ) THEN ! Specific treatment in vicinity of river mouths : |
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| 443 | ! ! - Increase Kz in surface layers ( rn_hrnf > 0 ) |
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| 444 | ! ! - set to zero SSS damping (ln_ssr=T) |
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| 445 | ! ! - mixed upstream-centered (ln_traadv_cen2=T) |
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| 446 | ! |
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[2528] | 447 | IF ( ln_rnf_depth ) CALL ctl_warn( 'sbc_rnf_init: increased mixing turned on but effects may already', & |
---|
[3764] | 448 | & 'be spread through depth by ln_rnf_depth' ) |
---|
[2528] | 449 | ! |
---|
| 450 | nkrnf = 0 ! Number of level over which Kz increase |
---|
| 451 | IF( rn_hrnf > 0._wp ) THEN |
---|
[1116] | 452 | nkrnf = 2 |
---|
[5407] | 453 | DO WHILE( nkrnf /= jpkm1 .AND. gdepw_1d(nkrnf+1) < rn_hrnf ) ; nkrnf = nkrnf + 1 |
---|
| 454 | END DO |
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[7646] | 455 | IF( ln_sco ) CALL ctl_warn( 'sbc_rnf_init: number of levels over which Kz is increased is computed for zco...' ) |
---|
[1116] | 456 | ENDIF |
---|
| 457 | IF(lwp) WRITE(numout,*) |
---|
| 458 | IF(lwp) WRITE(numout,*) ' Specific treatment used in vicinity of river mouths :' |
---|
| 459 | IF(lwp) WRITE(numout,*) ' - Increase Kz in surface layers (if rn_hrnf > 0 )' |
---|
| 460 | IF(lwp) WRITE(numout,*) ' by ', rn_avt_rnf,' m2/s over ', nkrnf, ' w-levels' |
---|
| 461 | IF(lwp) WRITE(numout,*) ' - set to zero SSS damping (if ln_ssr=T)' |
---|
| 462 | IF(lwp) WRITE(numout,*) ' - mixed upstream-centered (if ln_traadv_cen2=T)' |
---|
| 463 | ! |
---|
| 464 | CALL rnf_mouth ! set river mouth mask |
---|
| 465 | ! |
---|
| 466 | ELSE ! No treatment at river mouths |
---|
| 467 | IF(lwp) WRITE(numout,*) |
---|
| 468 | IF(lwp) WRITE(numout,*) ' No specific treatment at river mouths' |
---|
[7753] | 469 | rnfmsk (:,:) = 0._wp |
---|
| 470 | rnfmsk_z(:) = 0._wp |
---|
[1116] | 471 | nkrnf = 0 |
---|
| 472 | ENDIF |
---|
[3625] | 473 | ! |
---|
[1116] | 474 | END SUBROUTINE sbc_rnf_init |
---|
| 475 | |
---|
| 476 | |
---|
[888] | 477 | SUBROUTINE rnf_mouth |
---|
| 478 | !!---------------------------------------------------------------------- |
---|
| 479 | !! *** ROUTINE rnf_mouth *** |
---|
[3764] | 480 | !! |
---|
[888] | 481 | !! ** Purpose : define the river mouths mask |
---|
| 482 | !! |
---|
| 483 | !! ** Method : read the river mouth mask (=0/1) in the river runoff |
---|
[3764] | 484 | !! climatological file. Defined a given vertical structure. |
---|
| 485 | !! CAUTION, the vertical structure is hard coded on the |
---|
[888] | 486 | !! first 5 levels. |
---|
| 487 | !! This fields can be used to: |
---|
[3764] | 488 | !! - set an upstream advection scheme |
---|
[1116] | 489 | !! (ln_rnf_mouth=T and ln_traadv_cen2=T) |
---|
[3764] | 490 | !! - increase vertical on the top nn_krnf vertical levels |
---|
[888] | 491 | !! at river runoff input grid point (nn_krnf>=2, see step.F90) |
---|
| 492 | !! - set to zero SSS restoring flux at river mouth grid points |
---|
| 493 | !! |
---|
| 494 | !! ** Action : rnfmsk set to 1 at river runoff input, 0 elsewhere |
---|
| 495 | !! rnfmsk_z vertical structure |
---|
| 496 | !!---------------------------------------------------------------------- |
---|
[2784] | 497 | INTEGER :: inum ! temporary integers |
---|
| 498 | CHARACTER(len=140) :: cl_rnfile ! runoff file name |
---|
[888] | 499 | !!---------------------------------------------------------------------- |
---|
[3764] | 500 | ! |
---|
[888] | 501 | IF(lwp) WRITE(numout,*) |
---|
[7646] | 502 | IF(lwp) WRITE(numout,*) ' rnf_mouth : river mouth mask' |
---|
| 503 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~ ' |
---|
[3625] | 504 | ! |
---|
[1133] | 505 | cl_rnfile = TRIM( cn_dir )//TRIM( sn_cnf%clname ) |
---|
| 506 | IF( .NOT. sn_cnf%ln_clim ) THEN ; WRITE(cl_rnfile, '(a,"_y",i4)' ) TRIM( cl_rnfile ), nyear ! add year |
---|
| 507 | IF( sn_cnf%cltype == 'monthly' ) WRITE(cl_rnfile, '(a,"m",i2)' ) TRIM( cl_rnfile ), nmonth ! add month |
---|
| 508 | ENDIF |
---|
[3625] | 509 | ! |
---|
[888] | 510 | ! horizontal mask (read in NetCDF file) |
---|
| 511 | CALL iom_open ( cl_rnfile, inum ) ! open file |
---|
| 512 | CALL iom_get ( inum, jpdom_data, sn_cnf%clvar, rnfmsk ) ! read the river mouth array |
---|
| 513 | CALL iom_close( inum ) ! close file |
---|
[3625] | 514 | ! |
---|
[3632] | 515 | IF( nn_closea == 1 ) CALL clo_rnf( rnfmsk ) ! closed sea inflow set as ruver mouth |
---|
[3625] | 516 | ! |
---|
[3764] | 517 | rnfmsk_z(:) = 0._wp ! vertical structure |
---|
[888] | 518 | rnfmsk_z(1) = 1.0 |
---|
| 519 | rnfmsk_z(2) = 1.0 ! ********** |
---|
| 520 | rnfmsk_z(3) = 0.5 ! HARD CODED on the 5 first levels |
---|
| 521 | rnfmsk_z(4) = 0.25 ! ********** |
---|
| 522 | rnfmsk_z(5) = 0.125 |
---|
[3764] | 523 | ! |
---|
[888] | 524 | END SUBROUTINE rnf_mouth |
---|
[3764] | 525 | |
---|
[888] | 526 | !!====================================================================== |
---|
| 527 | END MODULE sbcrnf |
---|