[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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| 14 | !! sbc_rnf : monthly runoffs read in a NetCDF file |
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[1116] | 15 | !! sbc_rnf_init : runoffs initialisation |
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[888] | 16 | !! rnf_mouth : set river mouth mask |
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| 17 | !!---------------------------------------------------------------------- |
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| 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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[4990] | 21 | USE sbcisf ! PM we could remove it I think |
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[2715] | 22 | USE closea ! closed seas |
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[2528] | 23 | USE fldread ! read input field at current time step |
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[888] | 24 | USE in_out_manager ! I/O manager |
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| 25 | USE iom ! I/O module |
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[2715] | 26 | USE lib_mpp ! MPP library |
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[4990] | 27 | USE eosbn2 |
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| 28 | USE wrk_nemo ! Memory allocation |
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[10302] | 29 | USE timing |
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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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[2528] | 34 | PUBLIC sbc_rnf ! routine call in sbcmod module |
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[5407] | 35 | PUBLIC sbc_rnf_div ! routine called in divcurl module |
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[2715] | 36 | PUBLIC sbc_rnf_alloc ! routine call in sbcmod module |
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[3764] | 37 | PUBLIC sbc_rnf_init ! (PUBLIC for TAM) |
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[2715] | 38 | ! !!* namsbc_rnf namelist * |
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[5431] | 39 | CHARACTER(len=100) :: cn_dir !: Root directory for location of rnf files |
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| 40 | LOGICAL :: ln_rnf_depth !: depth river runoffs attribute specified in a file |
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[5385] | 41 | LOGICAL :: ln_rnf_depth_ini !: depth river runoffs computed at the initialisation |
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| 42 | REAL(wp) :: rn_rnf_max !: maximum value of the runoff climatologie ( ln_rnf_depth_ini = .true ) |
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| 43 | REAL(wp) :: rn_dep_max !: depth over which runoffs is spread ( ln_rnf_depth_ini = .true ) |
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| 44 | INTEGER :: nn_rnf_depth_file !: create (=1) a runoff depth file or not (=0) |
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[5431] | 45 | LOGICAL :: ln_rnf_tem !: temperature river runoffs attribute specified in a file |
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[4147] | 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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[5431] | 48 | TYPE(FLD_N) :: sn_cnf !: information about the runoff mouth file to be read |
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[4147] | 49 | TYPE(FLD_N) :: sn_s_rnf !: information about the salinities of runoff file to be read |
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| 50 | TYPE(FLD_N) :: sn_t_rnf !: information about the temperatures of runoff file to be read |
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| 51 | TYPE(FLD_N) :: sn_dep_rnf !: information about the depth which river inflow affects |
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| 52 | LOGICAL , PUBLIC :: ln_rnf_mouth !: specific treatment in mouths vicinity |
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[5431] | 53 | REAL(wp) :: rn_hrnf !: runoffs, depth over which enhanced vertical mixing is used |
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[4147] | 54 | REAL(wp) , PUBLIC :: rn_avt_rnf !: runoffs, value of the additional vertical mixing coef. [m2/s] |
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[6498] | 55 | REAL(wp) , PUBLIC :: rn_rfact !: multiplicative factor for runoff |
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[11442] | 56 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rn_avt_rnf0 |
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[888] | 57 | |
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[5407] | 58 | LOGICAL , PUBLIC :: l_rnfcpl = .false. ! runoffs recieved from oasis |
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| 59 | |
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[2715] | 60 | INTEGER , PUBLIC :: nkrnf = 0 !: nb of levels over which Kz is increased at river mouths |
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| 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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| 71 | !! * Substitutions |
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| 72 | # include "domzgr_substitute.h90" |
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[888] | 73 | !!---------------------------------------------------------------------- |
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[2528] | 74 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
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[1146] | 75 | !! $Id$ |
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[2528] | 76 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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[888] | 77 | !!---------------------------------------------------------------------- |
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| 78 | CONTAINS |
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| 79 | |
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[2715] | 80 | INTEGER FUNCTION sbc_rnf_alloc() |
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| 81 | !!---------------------------------------------------------------------- |
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| 82 | !! *** ROUTINE sbc_rnf_alloc *** |
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| 83 | !!---------------------------------------------------------------------- |
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| 84 | ALLOCATE( rnfmsk(jpi,jpj) , rnfmsk_z(jpk) , & |
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| 85 | & h_rnf (jpi,jpj) , nk_rnf (jpi,jpj) , & |
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| 86 | & rnf_tsc_b(jpi,jpj,jpts) , rnf_tsc (jpi,jpj,jpts) , STAT=sbc_rnf_alloc ) |
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| 87 | ! |
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| 88 | IF( lk_mpp ) CALL mpp_sum ( sbc_rnf_alloc ) |
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| 89 | IF( sbc_rnf_alloc > 0 ) CALL ctl_warn('sbc_rnf_alloc: allocation of arrays failed') |
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| 90 | END FUNCTION sbc_rnf_alloc |
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| 91 | |
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[3625] | 92 | |
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[888] | 93 | SUBROUTINE sbc_rnf( kt ) |
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| 94 | !!---------------------------------------------------------------------- |
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| 95 | !! *** ROUTINE sbc_rnf *** |
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[3764] | 96 | !! |
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[888] | 97 | !! ** Purpose : Introduce a climatological run off forcing |
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| 98 | !! |
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[3764] | 99 | !! ** Method : Set each river mouth with a monthly climatology |
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[888] | 100 | !! provided from different data. |
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| 101 | !! CAUTION : upward water flux, runoff forced to be < 0 |
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| 102 | !! |
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| 103 | !! ** Action : runoff updated runoff field at time-step kt |
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| 104 | !!---------------------------------------------------------------------- |
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| 105 | INTEGER, INTENT(in) :: kt ! ocean time step |
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[3625] | 106 | ! |
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[3832] | 107 | INTEGER :: ji, jj ! dummy loop indices |
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| 108 | INTEGER :: z_err = 0 ! dummy integer for error handling |
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[888] | 109 | !!---------------------------------------------------------------------- |
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[4990] | 110 | REAL(wp), DIMENSION(:,:), POINTER :: ztfrz ! freezing point used for temperature correction |
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[3764] | 111 | ! |
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[4990] | 112 | CALL wrk_alloc( jpi,jpj, ztfrz) |
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[7993] | 113 | ! |
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[5407] | 114 | ! !-------------------! |
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| 115 | ! ! Update runoff ! |
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| 116 | ! !-------------------! |
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| 117 | ! |
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| 118 | IF( .NOT. l_rnfcpl ) CALL fld_read ( kt, nn_fsbc, sf_rnf ) ! Read Runoffs data and provide it at kt |
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| 119 | IF( ln_rnf_tem ) CALL fld_read ( kt, nn_fsbc, sf_t_rnf ) ! idem for runoffs temperature if required |
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| 120 | IF( ln_rnf_sal ) CALL fld_read ( kt, nn_fsbc, sf_s_rnf ) ! idem for runoffs salinity if required |
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| 121 | ! |
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| 122 | IF( MOD( kt - 1, nn_fsbc ) == 0 ) THEN |
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[888] | 123 | ! |
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[5407] | 124 | IF( .NOT. l_rnfcpl ) rnf(:,:) = rn_rfact * ( sf_rnf(1)%fnow(:,:,1) ) ! updated runoff value at time step kt |
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[8302] | 125 | CALL lbc_lnk(rnf(:,:), 'T', 1._wp) |
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[2528] | 126 | ! |
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[5407] | 127 | ! ! set temperature & salinity content of runoffs |
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| 128 | IF( ln_rnf_tem ) THEN ! use runoffs temperature data |
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| 129 | rnf_tsc(:,:,jp_tem) = ( sf_t_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
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| 130 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -999._wp ) ! if missing data value use SST as runoffs temperature |
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| 131 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
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[2528] | 132 | END WHERE |
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[5407] | 133 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -222._wp ) ! where fwf comes from melting of ice shelves or iceberg |
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| 134 | ztfrz(:,:) = -1.9 !tfreez( sss_m(:,:) ) !PM to be discuss (trouble if sensitivity study) |
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| 135 | rnf_tsc(:,:,jp_tem) = ztfrz(:,:) * rnf(:,:) * r1_rau0 - rnf(:,:) * lfusisf * r1_rau0_rcp |
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| 136 | END WHERE |
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| 137 | ELSE ! use SST as runoffs temperature |
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| 138 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
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[2528] | 139 | ENDIF |
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[5407] | 140 | ! ! use runoffs salinity data |
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| 141 | IF( ln_rnf_sal ) rnf_tsc(:,:,jp_sal) = ( sf_s_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
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| 142 | ! ! else use S=0 for runoffs (done one for all in the init) |
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| 143 | CALL iom_put( "runoffs", rnf ) ! output runoffs arrays |
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[2528] | 144 | ENDIF |
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| 145 | ! |
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[5407] | 146 | ! ! ---------------------------------------- ! |
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[2528] | 147 | IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 ! |
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| 148 | ! ! ---------------------------------------- ! |
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| 149 | IF( ln_rstart .AND. & !* Restart: read in restart file |
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[3764] | 150 | & iom_varid( numror, 'rnf_b', ldstop = .FALSE. ) > 0 ) THEN |
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[2528] | 151 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields red in the restart file' |
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[10302] | 152 | IF(nn_timing == 2) CALL timing_start('iom_rstget') |
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[2528] | 153 | CALL iom_get( numror, jpdom_autoglo, 'rnf_b', rnf_b ) ! before runoff |
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| 154 | CALL iom_get( numror, jpdom_autoglo, 'rnf_hc_b', rnf_tsc_b(:,:,jp_tem) ) ! before heat content of runoff |
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| 155 | CALL iom_get( numror, jpdom_autoglo, 'rnf_sc_b', rnf_tsc_b(:,:,jp_sal) ) ! before salinity content of runoff |
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[10302] | 156 | IF(nn_timing == 2) CALL timing_stop('iom_rstget') |
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[2528] | 157 | ELSE !* no restart: set from nit000 values |
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| 158 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields set to nit000' |
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[5407] | 159 | rnf_b (:,: ) = rnf (:,: ) |
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| 160 | rnf_tsc_b(:,:,:) = rnf_tsc(:,:,:) |
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[2528] | 161 | ENDIF |
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| 162 | ENDIF |
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| 163 | ! ! ---------------------------------------- ! |
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| 164 | IF( lrst_oce ) THEN ! Write in the ocean restart file ! |
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| 165 | ! ! ---------------------------------------- ! |
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| 166 | IF(lwp) WRITE(numout,*) |
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| 167 | IF(lwp) WRITE(numout,*) 'sbcrnf : runoff forcing fields written in ocean restart file ', & |
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| 168 | & 'at it= ', kt,' date= ', ndastp |
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| 169 | IF(lwp) WRITE(numout,*) '~~~~' |
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[10302] | 170 | IF(nn_timing == 2) CALL timing_start('iom_rstput') |
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[2528] | 171 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_b' , rnf ) |
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| 172 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_hc_b', rnf_tsc(:,:,jp_tem) ) |
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| 173 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_sc_b', rnf_tsc(:,:,jp_sal) ) |
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[10302] | 174 | IF(nn_timing == 2) CALL timing_stop('iom_rstput') |
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[2528] | 175 | ENDIF |
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[5407] | 176 | ! |
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[4990] | 177 | CALL wrk_dealloc( jpi,jpj, ztfrz) |
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[2528] | 178 | ! |
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| 179 | END SUBROUTINE sbc_rnf |
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| 180 | |
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| 181 | |
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| 182 | SUBROUTINE sbc_rnf_div( phdivn ) |
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| 183 | !!---------------------------------------------------------------------- |
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| 184 | !! *** ROUTINE sbc_rnf *** |
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[3764] | 185 | !! |
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[2528] | 186 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
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| 187 | !! |
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[3764] | 188 | !! ** Method : |
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| 189 | !! CAUTION : rnf is positive (inflow) decreasing the |
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[2528] | 190 | !! divergence and expressed in m/s |
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| 191 | !! |
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| 192 | !! ** Action : phdivn decreased by the runoff inflow |
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| 193 | !!---------------------------------------------------------------------- |
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[2715] | 194 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: phdivn ! horizontal divergence |
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[2528] | 195 | !! |
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| 196 | INTEGER :: ji, jj, jk ! dummy loop indices |
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| 197 | REAL(wp) :: zfact ! local scalar |
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| 198 | !!---------------------------------------------------------------------- |
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| 199 | ! |
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| 200 | zfact = 0.5_wp |
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| 201 | ! |
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[5503] | 202 | IF( ln_rnf_depth .OR. ln_rnf_depth_ini ) THEN !== runoff distributed over several levels ==! |
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[3764] | 203 | IF( lk_vvl ) THEN ! variable volume case |
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[2528] | 204 | DO jj = 1, jpj ! update the depth over which runoffs are distributed |
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| 205 | DO ji = 1, jpi |
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[3764] | 206 | h_rnf(ji,jj) = 0._wp |
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[2528] | 207 | DO jk = 1, nk_rnf(ji,jj) ! recalculates h_rnf to be the depth in metres |
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[3764] | 208 | h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) ! to the bottom of the relevant grid box |
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| 209 | END DO |
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[2528] | 210 | ! ! apply the runoff input flow |
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| 211 | DO jk = 1, nk_rnf(ji,jj) |
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| 212 | 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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| 213 | END DO |
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| 214 | END DO |
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| 215 | END DO |
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| 216 | ELSE ! constant volume case : just apply the runoff input flow |
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[888] | 217 | DO jj = 1, jpj |
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| 218 | DO ji = 1, jpi |
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[2528] | 219 | DO jk = 1, nk_rnf(ji,jj) |
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| 220 | 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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| 221 | END DO |
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[888] | 222 | END DO |
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| 223 | END DO |
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| 224 | ENDIF |
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[2528] | 225 | ELSE !== runoff put only at the surface ==! |
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| 226 | IF( lk_vvl ) THEN ! variable volume case |
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| 227 | h_rnf(:,:) = fse3t(:,:,1) ! recalculate h_rnf to be depth of top box |
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[1303] | 228 | ENDIF |
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[2528] | 229 | phdivn(:,:,1) = phdivn(:,:,1) - ( rnf(:,:) + rnf_b(:,:) ) * zfact * r1_rau0 / fse3t(:,:,1) |
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[888] | 230 | ENDIF |
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| 231 | ! |
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[2528] | 232 | END SUBROUTINE sbc_rnf_div |
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[888] | 233 | |
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| 234 | |
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[2528] | 235 | SUBROUTINE sbc_rnf_init |
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[1116] | 236 | !!---------------------------------------------------------------------- |
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| 237 | !! *** ROUTINE sbc_rnf_init *** |
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| 238 | !! |
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| 239 | !! ** Purpose : Initialisation of the runoffs if (ln_rnf=T) |
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| 240 | !! |
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| 241 | !! ** Method : - read the runoff namsbc_rnf namelist |
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| 242 | !! |
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| 243 | !! ** Action : - read parameters |
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| 244 | !!---------------------------------------------------------------------- |
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[3764] | 245 | CHARACTER(len=32) :: rn_dep_file ! runoff file name |
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[5385] | 246 | INTEGER :: ji, jj, jk, jm ! dummy loop indices |
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[2528] | 247 | INTEGER :: ierror, inum ! temporary integer |
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[4147] | 248 | INTEGER :: ios ! Local integer output status for namelist read |
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[5385] | 249 | INTEGER :: nbrec ! temporary integer |
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| 250 | REAL(wp) :: zacoef |
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| 251 | REAL(wp), DIMENSION(12) :: zrec ! times records |
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| 252 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zrnfcl |
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| 253 | REAL(wp), DIMENSION(:,: ), ALLOCATABLE :: zrnf |
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[3625] | 254 | ! |
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[5407] | 255 | NAMELIST/namsbc_rnf/ cn_dir , ln_rnf_depth, ln_rnf_tem, ln_rnf_sal, & |
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[3764] | 256 | & sn_rnf, sn_cnf , sn_s_rnf , sn_t_rnf , sn_dep_rnf, & |
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[5385] | 257 | & ln_rnf_mouth , rn_hrnf , rn_avt_rnf, rn_rfact, & |
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| 258 | & ln_rnf_depth_ini , rn_dep_max , rn_rnf_max, nn_rnf_depth_file |
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[1116] | 259 | !!---------------------------------------------------------------------- |
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[3625] | 260 | ! |
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[5431] | 261 | ! !== allocate runoff arrays |
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| 262 | IF( sbc_rnf_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_rnf_alloc : unable to allocate arrays' ) |
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| 263 | ! |
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| 264 | IF( .NOT. ln_rnf ) THEN ! no specific treatment in vicinity of river mouths |
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| 265 | ln_rnf_mouth = .FALSE. ! default definition needed for example by sbc_ssr or by tra_adv_muscl |
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| 266 | nkrnf = 0 |
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| 267 | rnf (:,:) = 0.0_wp |
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| 268 | rnf_b (:,:) = 0.0_wp |
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| 269 | rnfmsk (:,:) = 0.0_wp |
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| 270 | rnfmsk_z(:) = 0.0_wp |
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| 271 | RETURN |
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| 272 | ENDIF |
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| 273 | ! |
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[1116] | 274 | ! ! ============ |
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| 275 | ! ! Namelist |
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| 276 | ! ! ============ |
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[4147] | 277 | ! |
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| 278 | REWIND( numnam_ref ) ! Namelist namsbc_rnf in reference namelist : Runoffs |
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| 279 | READ ( numnam_ref, namsbc_rnf, IOSTAT = ios, ERR = 901) |
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| 280 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in reference namelist', lwp ) |
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[1116] | 281 | |
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[4147] | 282 | REWIND( numnam_cfg ) ! Namelist namsbc_rnf in configuration namelist : Runoffs |
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| 283 | READ ( numnam_cfg, namsbc_rnf, IOSTAT = ios, ERR = 902 ) |
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| 284 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in configuration namelist', lwp ) |
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[4624] | 285 | IF(lwm) WRITE ( numond, namsbc_rnf ) |
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[1116] | 286 | ! |
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| 287 | ! ! Control print |
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| 288 | IF(lwp) THEN |
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| 289 | WRITE(numout,*) |
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| 290 | WRITE(numout,*) 'sbc_rnf : runoff ' |
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| 291 | WRITE(numout,*) '~~~~~~~ ' |
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| 292 | WRITE(numout,*) ' Namelist namsbc_rnf' |
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| 293 | WRITE(numout,*) ' specific river mouths treatment ln_rnf_mouth = ', ln_rnf_mouth |
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| 294 | WRITE(numout,*) ' river mouth additional Kz rn_avt_rnf = ', rn_avt_rnf |
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| 295 | WRITE(numout,*) ' depth of river mouth additional mixing rn_hrnf = ', rn_hrnf |
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[3764] | 296 | WRITE(numout,*) ' multiplicative factor for runoff rn_rfact = ', rn_rfact |
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[1116] | 297 | ENDIF |
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| 298 | ! ! ================== |
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| 299 | ! ! Type of runoff |
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| 300 | ! ! ================== |
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| 301 | ! |
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[5407] | 302 | IF( .NOT. l_rnfcpl ) THEN |
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[2528] | 303 | ALLOCATE( sf_rnf(1), STAT=ierror ) ! Create sf_rnf structure (runoff inflow) |
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| 304 | IF(lwp) WRITE(numout,*) |
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| 305 | IF(lwp) WRITE(numout,*) ' runoffs inflow read in a file' |
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| 306 | IF( ierror > 0 ) THEN |
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| 307 | CALL ctl_stop( 'sbc_rnf: unable to allocate sf_rnf structure' ) ; RETURN |
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| 308 | ENDIF |
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| 309 | ALLOCATE( sf_rnf(1)%fnow(jpi,jpj,1) ) |
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| 310 | IF( sn_rnf%ln_tint ) ALLOCATE( sf_rnf(1)%fdta(jpi,jpj,1,2) ) |
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[1133] | 311 | CALL fld_fill( sf_rnf, (/ sn_rnf /), cn_dir, 'sbc_rnf_init', 'read runoffs data', 'namsbc_rnf' ) |
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[5407] | 312 | ENDIF |
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| 313 | ! |
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| 314 | IF( ln_rnf_tem ) THEN ! Create (if required) sf_t_rnf structure |
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| 315 | IF(lwp) WRITE(numout,*) |
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| 316 | IF(lwp) WRITE(numout,*) ' runoffs temperatures read in a file' |
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| 317 | ALLOCATE( sf_t_rnf(1), STAT=ierror ) |
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| 318 | IF( ierror > 0 ) THEN |
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| 319 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_t_rnf structure' ) ; RETURN |
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[2528] | 320 | ENDIF |
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[5407] | 321 | ALLOCATE( sf_t_rnf(1)%fnow(jpi,jpj,1) ) |
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| 322 | IF( sn_t_rnf%ln_tint ) ALLOCATE( sf_t_rnf(1)%fdta(jpi,jpj,1,2) ) |
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| 323 | CALL fld_fill (sf_t_rnf, (/ sn_t_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff temperature data', 'namsbc_rnf' ) |
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| 324 | ENDIF |
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| 325 | ! |
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| 326 | IF( ln_rnf_sal ) THEN ! Create (if required) sf_s_rnf and sf_t_rnf structures |
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| 327 | IF(lwp) WRITE(numout,*) |
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| 328 | IF(lwp) WRITE(numout,*) ' runoffs salinities read in a file' |
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| 329 | ALLOCATE( sf_s_rnf(1), STAT=ierror ) |
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| 330 | IF( ierror > 0 ) THEN |
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| 331 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_s_rnf structure' ) ; RETURN |
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[2528] | 332 | ENDIF |
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[5407] | 333 | ALLOCATE( sf_s_rnf(1)%fnow(jpi,jpj,1) ) |
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| 334 | IF( sn_s_rnf%ln_tint ) ALLOCATE( sf_s_rnf(1)%fdta(jpi,jpj,1,2) ) |
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| 335 | CALL fld_fill (sf_s_rnf, (/ sn_s_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff salinity data', 'namsbc_rnf' ) |
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| 336 | ENDIF |
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| 337 | ! |
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| 338 | IF( ln_rnf_depth ) THEN ! depth of runoffs set from a file |
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| 339 | IF(lwp) WRITE(numout,*) |
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| 340 | IF(lwp) WRITE(numout,*) ' runoffs depth read in a file' |
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| 341 | rn_dep_file = TRIM( cn_dir )//TRIM( sn_dep_rnf%clname ) |
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| 342 | 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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| 343 | IF( sn_dep_rnf%cltype == 'monthly' ) WRITE(rn_dep_file, '(a,"m",i2)' ) TRIM( rn_dep_file ), nmonth ! add month |
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| 344 | ENDIF |
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| 345 | CALL iom_open ( rn_dep_file, inum ) ! open file |
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| 346 | CALL iom_get ( inum, jpdom_data, sn_dep_rnf%clvar, h_rnf ) ! read the river mouth array |
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| 347 | CALL iom_close( inum ) ! close file |
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[2528] | 348 | ! |
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[5407] | 349 | nk_rnf(:,:) = 0 ! set the number of level over which river runoffs are applied |
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| 350 | DO jj = 1, jpj |
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| 351 | DO ji = 1, jpi |
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| 352 | IF( h_rnf(ji,jj) > 0._wp ) THEN |
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| 353 | jk = 2 |
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| 354 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
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| 355 | END DO |
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| 356 | nk_rnf(ji,jj) = jk |
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| 357 | ELSEIF( h_rnf(ji,jj) == -1._wp ) THEN ; nk_rnf(ji,jj) = 1 |
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| 358 | ELSEIF( h_rnf(ji,jj) == -999._wp ) THEN ; nk_rnf(ji,jj) = mbkt(ji,jj) |
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| 359 | ELSE |
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| 360 | 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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| 361 | WRITE(999,*) 'ji, jj, h_rnf(ji,jj) :', ji, jj, h_rnf(ji,jj) |
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| 362 | ENDIF |
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[3764] | 363 | END DO |
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[5407] | 364 | END DO |
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| 365 | DO jj = 1, jpj ! set the associated depth |
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| 366 | DO ji = 1, jpi |
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| 367 | h_rnf(ji,jj) = 0._wp |
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| 368 | DO jk = 1, nk_rnf(ji,jj) |
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| 369 | h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) |
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[2528] | 370 | END DO |
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| 371 | END DO |
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[5407] | 372 | END DO |
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| 373 | ! |
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| 374 | ELSE IF( ln_rnf_depth_ini ) THEN ! runoffs applied at the surface |
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| 375 | ! |
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| 376 | IF(lwp) WRITE(numout,*) |
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| 377 | IF(lwp) WRITE(numout,*) ' depth of runoff computed once from max value of runoff' |
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| 378 | IF(lwp) WRITE(numout,*) ' max value of the runoff climatologie (over global domain) rn_rnf_max = ', rn_rnf_max |
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| 379 | IF(lwp) WRITE(numout,*) ' depth over which runoffs is spread rn_dep_max = ', rn_dep_max |
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| 380 | 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] | 381 | |
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[5407] | 382 | CALL iom_open( TRIM( sn_rnf%clname ), inum ) ! open runoff file |
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| 383 | CALL iom_gettime( inum, zrec, kntime=nbrec) |
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| 384 | ALLOCATE( zrnfcl(jpi,jpj,nbrec) ) ; ALLOCATE( zrnf(jpi,jpj) ) |
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| 385 | DO jm = 1, nbrec |
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| 386 | CALL iom_get( inum, jpdom_data, TRIM( sn_rnf%clvar ), zrnfcl(:,:,jm), jm ) |
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| 387 | END DO |
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| 388 | CALL iom_close( inum ) |
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| 389 | zrnf(:,:) = MAXVAL( zrnfcl(:,:,:), DIM=3 ) ! maximum value in time |
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| 390 | DEALLOCATE( zrnfcl ) |
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| 391 | ! |
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| 392 | h_rnf(:,:) = 1. |
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| 393 | ! |
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| 394 | 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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| 395 | ! |
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| 396 | WHERE( zrnf(:,:) > 0._wp ) h_rnf(:,:) = zacoef * zrnf(:,:) ! compute depth for all runoffs |
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| 397 | ! |
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| 398 | DO jj = 1, jpj ! take in account min depth of ocean rn_hmin |
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| 399 | DO ji = 1, jpi |
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| 400 | IF( zrnf(ji,jj) > 0._wp ) THEN |
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| 401 | jk = mbkt(ji,jj) |
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| 402 | h_rnf(ji,jj) = MIN( h_rnf(ji,jj), gdept_0(ji,jj,jk ) ) |
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| 403 | ENDIF |
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[5385] | 404 | END DO |
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[5407] | 405 | END DO |
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| 406 | ! |
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| 407 | nk_rnf(:,:) = 0 ! number of levels on which runoffs are distributed |
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| 408 | DO jj = 1, jpj |
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| 409 | DO ji = 1, jpi |
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| 410 | IF( zrnf(ji,jj) > 0._wp ) THEN |
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| 411 | jk = 2 |
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| 412 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
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| 413 | END DO |
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| 414 | nk_rnf(ji,jj) = jk |
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| 415 | ELSE |
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| 416 | nk_rnf(ji,jj) = 1 |
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| 417 | ENDIF |
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[5385] | 418 | END DO |
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[5407] | 419 | END DO |
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| 420 | ! |
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| 421 | DEALLOCATE( zrnf ) |
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| 422 | ! |
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| 423 | DO jj = 1, jpj ! set the associated depth |
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| 424 | DO ji = 1, jpi |
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| 425 | h_rnf(ji,jj) = 0._wp |
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| 426 | DO jk = 1, nk_rnf(ji,jj) |
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| 427 | h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) |
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[5385] | 428 | END DO |
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| 429 | END DO |
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[5407] | 430 | END DO |
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| 431 | ! |
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| 432 | IF( nn_rnf_depth_file == 1 ) THEN ! save output nb levels for runoff |
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| 433 | IF(lwp) WRITE(numout,*) ' create runoff depht file' |
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| 434 | CALL iom_open ( TRIM( sn_dep_rnf%clname ), inum, ldwrt = .TRUE., kiolib = jprstlib ) |
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| 435 | CALL iom_rstput( 0, 0, inum, 'rodepth', h_rnf ) |
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| 436 | CALL iom_close ( inum ) |
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[3764] | 437 | ENDIF |
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[5407] | 438 | ELSE ! runoffs applied at the surface |
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| 439 | nk_rnf(:,:) = 1 |
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| 440 | h_rnf (:,:) = fse3t(:,:,1) |
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[1116] | 441 | ENDIF |
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[2528] | 442 | ! |
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[3294] | 443 | rnf(:,:) = 0._wp ! runoff initialisation |
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[2528] | 444 | rnf_tsc(:,:,:) = 0._wp ! runoffs temperature & salinty contents initilisation |
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| 445 | ! |
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[1116] | 446 | ! ! ======================== |
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| 447 | ! ! River mouth vicinity |
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| 448 | ! ! ======================== |
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| 449 | ! |
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| 450 | IF( ln_rnf_mouth ) THEN ! Specific treatment in vicinity of river mouths : |
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| 451 | ! ! - Increase Kz in surface layers ( rn_hrnf > 0 ) |
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| 452 | ! ! - set to zero SSS damping (ln_ssr=T) |
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| 453 | ! ! - mixed upstream-centered (ln_traadv_cen2=T) |
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| 454 | ! |
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[11442] | 455 | ALLOCATE ( rn_avt_rnf0(jpi,jpj) ) |
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| 456 | rn_avt_rnf0(:,:) = rn_avt_rnf |
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| 457 | ! |
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[2528] | 458 | IF ( ln_rnf_depth ) CALL ctl_warn( 'sbc_rnf_init: increased mixing turned on but effects may already', & |
---|
[3764] | 459 | & 'be spread through depth by ln_rnf_depth' ) |
---|
[2528] | 460 | ! |
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| 461 | nkrnf = 0 ! Number of level over which Kz increase |
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| 462 | IF( rn_hrnf > 0._wp ) THEN |
---|
[1116] | 463 | nkrnf = 2 |
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[5407] | 464 | DO WHILE( nkrnf /= jpkm1 .AND. gdepw_1d(nkrnf+1) < rn_hrnf ) ; nkrnf = nkrnf + 1 |
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| 465 | END DO |
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[3625] | 466 | IF( ln_sco ) CALL ctl_warn( 'sbc_rnf: number of levels over which Kz is increased is computed for zco...' ) |
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[1116] | 467 | ENDIF |
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| 468 | IF(lwp) WRITE(numout,*) |
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| 469 | IF(lwp) WRITE(numout,*) ' Specific treatment used in vicinity of river mouths :' |
---|
| 470 | IF(lwp) WRITE(numout,*) ' - Increase Kz in surface layers (if rn_hrnf > 0 )' |
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| 471 | IF(lwp) WRITE(numout,*) ' by ', rn_avt_rnf,' m2/s over ', nkrnf, ' w-levels' |
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| 472 | IF(lwp) WRITE(numout,*) ' - set to zero SSS damping (if ln_ssr=T)' |
---|
| 473 | IF(lwp) WRITE(numout,*) ' - mixed upstream-centered (if ln_traadv_cen2=T)' |
---|
| 474 | ! |
---|
| 475 | CALL rnf_mouth ! set river mouth mask |
---|
| 476 | ! |
---|
| 477 | ELSE ! No treatment at river mouths |
---|
| 478 | IF(lwp) WRITE(numout,*) |
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| 479 | IF(lwp) WRITE(numout,*) ' No specific treatment at river mouths' |
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[3764] | 480 | rnfmsk (:,:) = 0._wp |
---|
[2528] | 481 | rnfmsk_z(:) = 0._wp |
---|
[1116] | 482 | nkrnf = 0 |
---|
| 483 | ENDIF |
---|
[3625] | 484 | ! |
---|
[1116] | 485 | END SUBROUTINE sbc_rnf_init |
---|
| 486 | |
---|
| 487 | |
---|
[888] | 488 | SUBROUTINE rnf_mouth |
---|
| 489 | !!---------------------------------------------------------------------- |
---|
| 490 | !! *** ROUTINE rnf_mouth *** |
---|
[3764] | 491 | !! |
---|
[888] | 492 | !! ** Purpose : define the river mouths mask |
---|
| 493 | !! |
---|
| 494 | !! ** Method : read the river mouth mask (=0/1) in the river runoff |
---|
[3764] | 495 | !! climatological file. Defined a given vertical structure. |
---|
| 496 | !! CAUTION, the vertical structure is hard coded on the |
---|
[888] | 497 | !! first 5 levels. |
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| 498 | !! This fields can be used to: |
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[3764] | 499 | !! - set an upstream advection scheme |
---|
[1116] | 500 | !! (ln_rnf_mouth=T and ln_traadv_cen2=T) |
---|
[3764] | 501 | !! - increase vertical on the top nn_krnf vertical levels |
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[888] | 502 | !! at river runoff input grid point (nn_krnf>=2, see step.F90) |
---|
| 503 | !! - set to zero SSS restoring flux at river mouth grid points |
---|
| 504 | !! |
---|
| 505 | !! ** Action : rnfmsk set to 1 at river runoff input, 0 elsewhere |
---|
| 506 | !! rnfmsk_z vertical structure |
---|
| 507 | !!---------------------------------------------------------------------- |
---|
[2784] | 508 | INTEGER :: inum ! temporary integers |
---|
| 509 | CHARACTER(len=140) :: cl_rnfile ! runoff file name |
---|
[888] | 510 | !!---------------------------------------------------------------------- |
---|
[3764] | 511 | ! |
---|
[888] | 512 | IF(lwp) WRITE(numout,*) |
---|
| 513 | IF(lwp) WRITE(numout,*) 'rnf_mouth : river mouth mask' |
---|
| 514 | IF(lwp) WRITE(numout,*) '~~~~~~~~~ ' |
---|
[3625] | 515 | ! |
---|
[1133] | 516 | cl_rnfile = TRIM( cn_dir )//TRIM( sn_cnf%clname ) |
---|
| 517 | IF( .NOT. sn_cnf%ln_clim ) THEN ; WRITE(cl_rnfile, '(a,"_y",i4)' ) TRIM( cl_rnfile ), nyear ! add year |
---|
| 518 | IF( sn_cnf%cltype == 'monthly' ) WRITE(cl_rnfile, '(a,"m",i2)' ) TRIM( cl_rnfile ), nmonth ! add month |
---|
| 519 | ENDIF |
---|
[3625] | 520 | ! |
---|
[888] | 521 | ! horizontal mask (read in NetCDF file) |
---|
| 522 | CALL iom_open ( cl_rnfile, inum ) ! open file |
---|
| 523 | CALL iom_get ( inum, jpdom_data, sn_cnf%clvar, rnfmsk ) ! read the river mouth array |
---|
| 524 | CALL iom_close( inum ) ! close file |
---|
[3625] | 525 | ! |
---|
[3632] | 526 | IF( nn_closea == 1 ) CALL clo_rnf( rnfmsk ) ! closed sea inflow set as ruver mouth |
---|
[3625] | 527 | ! |
---|
[3764] | 528 | rnfmsk_z(:) = 0._wp ! vertical structure |
---|
[888] | 529 | rnfmsk_z(1) = 1.0 |
---|
| 530 | rnfmsk_z(2) = 1.0 ! ********** |
---|
| 531 | rnfmsk_z(3) = 0.5 ! HARD CODED on the 5 first levels |
---|
| 532 | rnfmsk_z(4) = 0.25 ! ********** |
---|
| 533 | rnfmsk_z(5) = 0.125 |
---|
[3764] | 534 | ! |
---|
[888] | 535 | END SUBROUTINE rnf_mouth |
---|
[3764] | 536 | |
---|
[888] | 537 | !!====================================================================== |
---|
| 538 | END MODULE sbcrnf |
---|