[888] | 1 | MODULE sbcrnf |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE sbcrnf *** |
---|
| 4 | !! Ocean forcing: river runoff |
---|
| 5 | !!===================================================================== |
---|
[2528] | 6 | !! History : OPA ! 2000-11 (R. Hordoir, E. Durand) NetCDF FORMAT |
---|
| 7 | !! NEMO 1.0 ! 2002-09 (G. Madec) F90: Free form and module |
---|
[3764] | 8 | !! 3.0 ! 2006-07 (G. Madec) Surface module |
---|
[2528] | 9 | !! 3.2 ! 2009-04 (B. Lemaire) Introduce iom_put |
---|
| 10 | !! 3.3 ! 2010-10 (R. Furner, G. Madec) runoff distributed over ocean levels |
---|
[888] | 11 | !!---------------------------------------------------------------------- |
---|
| 12 | |
---|
| 13 | !!---------------------------------------------------------------------- |
---|
[6140] | 14 | !! sbc_rnf : monthly runoffs read in a NetCDF file |
---|
| 15 | !! sbc_rnf_init : runoffs initialisation |
---|
| 16 | !! rnf_mouth : set river mouth mask |
---|
[888] | 17 | !!---------------------------------------------------------------------- |
---|
[6140] | 18 | USE dom_oce ! ocean space and time domain |
---|
| 19 | USE phycst ! physical constants |
---|
| 20 | USE sbc_oce ! surface boundary condition variables |
---|
| 21 | USE sbcisf ! PM we could remove it I think |
---|
| 22 | USE closea ! closed seas |
---|
| 23 | USE eosbn2 ! Equation Of State |
---|
| 24 | ! |
---|
| 25 | USE in_out_manager ! I/O manager |
---|
| 26 | USE fldread ! read input field at current time step |
---|
| 27 | USE iom ! I/O module |
---|
| 28 | USE lib_mpp ! MPP library |
---|
| 29 | USE wrk_nemo ! Memory allocation |
---|
[888] | 30 | |
---|
| 31 | IMPLICIT NONE |
---|
| 32 | PRIVATE |
---|
| 33 | |
---|
[6140] | 34 | PUBLIC sbc_rnf ! called in sbcmod module |
---|
| 35 | PUBLIC sbc_rnf_div ! called in divhor module |
---|
| 36 | PUBLIC sbc_rnf_alloc ! called in sbcmod module |
---|
| 37 | PUBLIC sbc_rnf_init ! called in sbcmod module |
---|
[5836] | 38 | |
---|
[6140] | 39 | ! !!* namsbc_rnf namelist * |
---|
| 40 | CHARACTER(len=100) :: cn_dir !: Root directory for location of rnf files |
---|
[5431] | 41 | LOGICAL :: ln_rnf_depth !: depth river runoffs attribute specified in a file |
---|
[6140] | 42 | LOGICAL :: ln_rnf_depth_ini !: depth river runoffs computed at the initialisation |
---|
| 43 | REAL(wp) :: rn_rnf_max !: maximum value of the runoff climatologie (ln_rnf_depth_ini =T) |
---|
| 44 | REAL(wp) :: rn_dep_max !: depth over which runoffs is spread (ln_rnf_depth_ini =T) |
---|
| 45 | INTEGER :: nn_rnf_depth_file !: create (=1) a runoff depth file or not (=0) |
---|
| 46 | LOGICAL :: ln_rnf_tem !: temperature river runoffs attribute specified in a file |
---|
| 47 | LOGICAL , PUBLIC :: ln_rnf_sal !: salinity river runoffs attribute specified in a file |
---|
| 48 | TYPE(FLD_N) , PUBLIC :: sn_rnf !: information about the runoff file to be read |
---|
| 49 | TYPE(FLD_N) :: sn_cnf !: information about the runoff mouth file to be read |
---|
| 50 | TYPE(FLD_N) :: sn_s_rnf !: information about the salinities of runoff file to be read |
---|
| 51 | TYPE(FLD_N) :: sn_t_rnf !: information about the temperatures of runoff file to be read |
---|
| 52 | TYPE(FLD_N) :: sn_dep_rnf !: information about the depth which river inflow affects |
---|
| 53 | LOGICAL , PUBLIC :: ln_rnf_mouth !: specific treatment in mouths vicinity |
---|
| 54 | REAL(wp) :: rn_hrnf !: runoffs, depth over which enhanced vertical mixing is used |
---|
| 55 | REAL(wp) , PUBLIC :: rn_avt_rnf !: runoffs, value of the additional vertical mixing coef. [m2/s] |
---|
| 56 | REAL(wp) , PUBLIC :: rn_rfact !: multiplicative factor for runoff |
---|
[888] | 57 | |
---|
[6140] | 58 | LOGICAL , PUBLIC :: l_rnfcpl = .false. !: runoffs recieved from oasis |
---|
| 59 | INTEGER , PUBLIC :: nkrnf = 0 !: nb of levels over which Kz is increased at river mouths |
---|
| 60 | |
---|
[2715] | 61 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rnfmsk !: river mouth mask (hori.) |
---|
| 62 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: rnfmsk_z !: river mouth mask (vert.) |
---|
| 63 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: h_rnf !: depth of runoff in m |
---|
| 64 | INTEGER, PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: nk_rnf !: depth of runoff in model levels |
---|
[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] |
---|
[888] | 66 | |
---|
[5431] | 67 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_rnf ! structure: river runoff (file information, fields read) |
---|
| 68 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_s_rnf ! structure: river runoff salinity (file information, fields read) |
---|
| 69 | TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_t_rnf ! structure: river runoff temperature (file information, fields read) |
---|
[2528] | 70 | |
---|
[888] | 71 | !!---------------------------------------------------------------------- |
---|
[2528] | 72 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
[1146] | 73 | !! $Id$ |
---|
[2528] | 74 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
[888] | 75 | !!---------------------------------------------------------------------- |
---|
| 76 | CONTAINS |
---|
| 77 | |
---|
[2715] | 78 | INTEGER FUNCTION sbc_rnf_alloc() |
---|
| 79 | !!---------------------------------------------------------------------- |
---|
| 80 | !! *** ROUTINE sbc_rnf_alloc *** |
---|
| 81 | !!---------------------------------------------------------------------- |
---|
| 82 | ALLOCATE( rnfmsk(jpi,jpj) , rnfmsk_z(jpk) , & |
---|
| 83 | & h_rnf (jpi,jpj) , nk_rnf (jpi,jpj) , & |
---|
| 84 | & rnf_tsc_b(jpi,jpj,jpts) , rnf_tsc (jpi,jpj,jpts) , STAT=sbc_rnf_alloc ) |
---|
| 85 | ! |
---|
| 86 | IF( lk_mpp ) CALL mpp_sum ( sbc_rnf_alloc ) |
---|
| 87 | IF( sbc_rnf_alloc > 0 ) CALL ctl_warn('sbc_rnf_alloc: allocation of arrays failed') |
---|
| 88 | END FUNCTION sbc_rnf_alloc |
---|
| 89 | |
---|
[3625] | 90 | |
---|
[888] | 91 | SUBROUTINE sbc_rnf( kt ) |
---|
| 92 | !!---------------------------------------------------------------------- |
---|
| 93 | !! *** ROUTINE sbc_rnf *** |
---|
[3764] | 94 | !! |
---|
[888] | 95 | !! ** Purpose : Introduce a climatological run off forcing |
---|
| 96 | !! |
---|
[3764] | 97 | !! ** Method : Set each river mouth with a monthly climatology |
---|
[888] | 98 | !! provided from different data. |
---|
| 99 | !! CAUTION : upward water flux, runoff forced to be < 0 |
---|
| 100 | !! |
---|
| 101 | !! ** Action : runoff updated runoff field at time-step kt |
---|
| 102 | !!---------------------------------------------------------------------- |
---|
| 103 | INTEGER, INTENT(in) :: kt ! ocean time step |
---|
[3625] | 104 | ! |
---|
[3832] | 105 | INTEGER :: ji, jj ! dummy loop indices |
---|
| 106 | INTEGER :: z_err = 0 ! dummy integer for error handling |
---|
[888] | 107 | !!---------------------------------------------------------------------- |
---|
[4990] | 108 | REAL(wp), DIMENSION(:,:), POINTER :: ztfrz ! freezing point used for temperature correction |
---|
[3764] | 109 | ! |
---|
[4990] | 110 | CALL wrk_alloc( jpi,jpj, ztfrz) |
---|
[6460] | 111 | ! |
---|
[5407] | 112 | ! !-------------------! |
---|
| 113 | ! ! Update runoff ! |
---|
| 114 | ! !-------------------! |
---|
| 115 | ! |
---|
| 116 | IF( .NOT. l_rnfcpl ) CALL fld_read ( kt, nn_fsbc, sf_rnf ) ! Read Runoffs data and provide it at kt |
---|
| 117 | IF( ln_rnf_tem ) CALL fld_read ( kt, nn_fsbc, sf_t_rnf ) ! idem for runoffs temperature if required |
---|
| 118 | IF( ln_rnf_sal ) CALL fld_read ( kt, nn_fsbc, sf_s_rnf ) ! idem for runoffs salinity if required |
---|
| 119 | ! |
---|
| 120 | IF( MOD( kt - 1, nn_fsbc ) == 0 ) THEN |
---|
[888] | 121 | ! |
---|
[5407] | 122 | IF( .NOT. l_rnfcpl ) rnf(:,:) = rn_rfact * ( sf_rnf(1)%fnow(:,:,1) ) ! updated runoff value at time step kt |
---|
[2528] | 123 | ! |
---|
[5407] | 124 | ! ! set temperature & salinity content of runoffs |
---|
| 125 | IF( ln_rnf_tem ) THEN ! use runoffs temperature data |
---|
| 126 | rnf_tsc(:,:,jp_tem) = ( sf_t_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
---|
[6140] | 127 | CALL eos_fzp( sss_m(:,:), ztfrz(:,:) ) |
---|
[5407] | 128 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -999._wp ) ! if missing data value use SST as runoffs temperature |
---|
| 129 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
---|
[2528] | 130 | END WHERE |
---|
[5407] | 131 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -222._wp ) ! where fwf comes from melting of ice shelves or iceberg |
---|
[6140] | 132 | rnf_tsc(:,:,jp_tem) = ztfrz(:,:) * rnf(:,:) * r1_rau0 - rnf(:,:) * rlfusisf * r1_rau0_rcp |
---|
[5407] | 133 | END WHERE |
---|
| 134 | ELSE ! use SST as runoffs temperature |
---|
| 135 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
---|
[2528] | 136 | ENDIF |
---|
[5407] | 137 | ! ! use runoffs salinity data |
---|
| 138 | IF( ln_rnf_sal ) rnf_tsc(:,:,jp_sal) = ( sf_s_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
---|
| 139 | ! ! else use S=0 for runoffs (done one for all in the init) |
---|
| 140 | CALL iom_put( "runoffs", rnf ) ! output runoffs arrays |
---|
[2528] | 141 | ENDIF |
---|
| 142 | ! |
---|
[5407] | 143 | ! ! ---------------------------------------- ! |
---|
[2528] | 144 | IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 ! |
---|
| 145 | ! ! ---------------------------------------- ! |
---|
| 146 | IF( ln_rstart .AND. & !* Restart: read in restart file |
---|
[3764] | 147 | & iom_varid( numror, 'rnf_b', ldstop = .FALSE. ) > 0 ) THEN |
---|
[2528] | 148 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields red in the restart file' |
---|
| 149 | CALL iom_get( numror, jpdom_autoglo, 'rnf_b', rnf_b ) ! before runoff |
---|
| 150 | CALL iom_get( numror, jpdom_autoglo, 'rnf_hc_b', rnf_tsc_b(:,:,jp_tem) ) ! before heat content of runoff |
---|
| 151 | CALL iom_get( numror, jpdom_autoglo, 'rnf_sc_b', rnf_tsc_b(:,:,jp_sal) ) ! before salinity content of runoff |
---|
| 152 | ELSE !* no restart: set from nit000 values |
---|
| 153 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields set to nit000' |
---|
[5407] | 154 | rnf_b (:,: ) = rnf (:,: ) |
---|
| 155 | rnf_tsc_b(:,:,:) = rnf_tsc(:,:,:) |
---|
[2528] | 156 | ENDIF |
---|
| 157 | ENDIF |
---|
| 158 | ! ! ---------------------------------------- ! |
---|
| 159 | IF( lrst_oce ) THEN ! Write in the ocean restart file ! |
---|
| 160 | ! ! ---------------------------------------- ! |
---|
| 161 | IF(lwp) WRITE(numout,*) |
---|
| 162 | IF(lwp) WRITE(numout,*) 'sbcrnf : runoff forcing fields written in ocean restart file ', & |
---|
| 163 | & 'at it= ', kt,' date= ', ndastp |
---|
| 164 | IF(lwp) WRITE(numout,*) '~~~~' |
---|
| 165 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_b' , rnf ) |
---|
| 166 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_hc_b', rnf_tsc(:,:,jp_tem) ) |
---|
| 167 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_sc_b', rnf_tsc(:,:,jp_sal) ) |
---|
| 168 | ENDIF |
---|
[5407] | 169 | ! |
---|
[4990] | 170 | CALL wrk_dealloc( jpi,jpj, ztfrz) |
---|
[2528] | 171 | ! |
---|
| 172 | END SUBROUTINE sbc_rnf |
---|
| 173 | |
---|
| 174 | |
---|
| 175 | SUBROUTINE sbc_rnf_div( phdivn ) |
---|
| 176 | !!---------------------------------------------------------------------- |
---|
| 177 | !! *** ROUTINE sbc_rnf *** |
---|
[3764] | 178 | !! |
---|
[2528] | 179 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
---|
| 180 | !! |
---|
[3764] | 181 | !! ** Method : |
---|
| 182 | !! CAUTION : rnf is positive (inflow) decreasing the |
---|
[2528] | 183 | !! divergence and expressed in m/s |
---|
| 184 | !! |
---|
| 185 | !! ** Action : phdivn decreased by the runoff inflow |
---|
| 186 | !!---------------------------------------------------------------------- |
---|
[2715] | 187 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: phdivn ! horizontal divergence |
---|
[2528] | 188 | !! |
---|
| 189 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 190 | REAL(wp) :: zfact ! local scalar |
---|
| 191 | !!---------------------------------------------------------------------- |
---|
| 192 | ! |
---|
| 193 | zfact = 0.5_wp |
---|
| 194 | ! |
---|
[5503] | 195 | IF( ln_rnf_depth .OR. ln_rnf_depth_ini ) THEN !== runoff distributed over several levels ==! |
---|
[6140] | 196 | IF( ln_linssh ) THEN !* constant volume case : just apply the runoff input flow |
---|
| 197 | DO jj = 1, jpj |
---|
[2528] | 198 | DO ji = 1, jpi |
---|
| 199 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 200 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rau0 / h_rnf(ji,jj) |
---|
| 201 | END DO |
---|
| 202 | END DO |
---|
| 203 | END DO |
---|
[6140] | 204 | ELSE !* variable volume case |
---|
| 205 | DO jj = 1, jpj ! update the depth over which runoffs are distributed |
---|
[888] | 206 | DO ji = 1, jpi |
---|
[6140] | 207 | h_rnf(ji,jj) = 0._wp |
---|
| 208 | DO jk = 1, nk_rnf(ji,jj) ! recalculates h_rnf to be the depth in metres |
---|
| 209 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t_n(ji,jj,jk) ! to the bottom of the relevant grid box |
---|
| 210 | END DO |
---|
| 211 | ! ! apply the runoff input flow |
---|
[2528] | 212 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 213 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rau0 / h_rnf(ji,jj) |
---|
| 214 | END DO |
---|
[888] | 215 | END DO |
---|
| 216 | END DO |
---|
| 217 | ENDIF |
---|
[2528] | 218 | ELSE !== runoff put only at the surface ==! |
---|
[6140] | 219 | h_rnf (:,:) = e3t_n (:,:,1) ! update h_rnf to be depth of top box |
---|
| 220 | phdivn(:,:,1) = phdivn(:,:,1) - ( rnf(:,:) + rnf_b(:,:) ) * zfact * r1_rau0 / e3t_n(:,:,1) |
---|
[888] | 221 | ENDIF |
---|
| 222 | ! |
---|
[2528] | 223 | END SUBROUTINE sbc_rnf_div |
---|
[888] | 224 | |
---|
| 225 | |
---|
[2528] | 226 | SUBROUTINE sbc_rnf_init |
---|
[1116] | 227 | !!---------------------------------------------------------------------- |
---|
| 228 | !! *** ROUTINE sbc_rnf_init *** |
---|
| 229 | !! |
---|
| 230 | !! ** Purpose : Initialisation of the runoffs if (ln_rnf=T) |
---|
| 231 | !! |
---|
| 232 | !! ** Method : - read the runoff namsbc_rnf namelist |
---|
| 233 | !! |
---|
| 234 | !! ** Action : - read parameters |
---|
| 235 | !!---------------------------------------------------------------------- |
---|
[3764] | 236 | CHARACTER(len=32) :: rn_dep_file ! runoff file name |
---|
[5385] | 237 | INTEGER :: ji, jj, jk, jm ! dummy loop indices |
---|
[2528] | 238 | INTEGER :: ierror, inum ! temporary integer |
---|
[4147] | 239 | INTEGER :: ios ! Local integer output status for namelist read |
---|
[5385] | 240 | INTEGER :: nbrec ! temporary integer |
---|
| 241 | REAL(wp) :: zacoef |
---|
| 242 | REAL(wp), DIMENSION(12) :: zrec ! times records |
---|
| 243 | REAL(wp), DIMENSION(:,:,:), ALLOCATABLE :: zrnfcl |
---|
| 244 | REAL(wp), DIMENSION(:,: ), ALLOCATABLE :: zrnf |
---|
[3625] | 245 | ! |
---|
[5407] | 246 | NAMELIST/namsbc_rnf/ cn_dir , ln_rnf_depth, ln_rnf_tem, ln_rnf_sal, & |
---|
[3764] | 247 | & sn_rnf, sn_cnf , sn_s_rnf , sn_t_rnf , sn_dep_rnf, & |
---|
[5385] | 248 | & ln_rnf_mouth , rn_hrnf , rn_avt_rnf, rn_rfact, & |
---|
| 249 | & ln_rnf_depth_ini , rn_dep_max , rn_rnf_max, nn_rnf_depth_file |
---|
[1116] | 250 | !!---------------------------------------------------------------------- |
---|
[3625] | 251 | ! |
---|
[5431] | 252 | ! !== allocate runoff arrays |
---|
| 253 | IF( sbc_rnf_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_rnf_alloc : unable to allocate arrays' ) |
---|
| 254 | ! |
---|
| 255 | IF( .NOT. ln_rnf ) THEN ! no specific treatment in vicinity of river mouths |
---|
| 256 | ln_rnf_mouth = .FALSE. ! default definition needed for example by sbc_ssr or by tra_adv_muscl |
---|
| 257 | nkrnf = 0 |
---|
| 258 | rnf (:,:) = 0.0_wp |
---|
| 259 | rnf_b (:,:) = 0.0_wp |
---|
| 260 | rnfmsk (:,:) = 0.0_wp |
---|
| 261 | rnfmsk_z(:) = 0.0_wp |
---|
| 262 | RETURN |
---|
| 263 | ENDIF |
---|
| 264 | ! |
---|
[1116] | 265 | ! ! ============ |
---|
| 266 | ! ! Namelist |
---|
| 267 | ! ! ============ |
---|
[4147] | 268 | ! |
---|
| 269 | REWIND( numnam_ref ) ! Namelist namsbc_rnf in reference namelist : Runoffs |
---|
| 270 | READ ( numnam_ref, namsbc_rnf, IOSTAT = ios, ERR = 901) |
---|
| 271 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in reference namelist', lwp ) |
---|
[1116] | 272 | |
---|
[4147] | 273 | REWIND( numnam_cfg ) ! Namelist namsbc_rnf in configuration namelist : Runoffs |
---|
| 274 | READ ( numnam_cfg, namsbc_rnf, IOSTAT = ios, ERR = 902 ) |
---|
| 275 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in configuration namelist', lwp ) |
---|
[4624] | 276 | IF(lwm) WRITE ( numond, namsbc_rnf ) |
---|
[1116] | 277 | ! |
---|
| 278 | ! ! Control print |
---|
| 279 | IF(lwp) THEN |
---|
| 280 | WRITE(numout,*) |
---|
| 281 | WRITE(numout,*) 'sbc_rnf : runoff ' |
---|
| 282 | WRITE(numout,*) '~~~~~~~ ' |
---|
| 283 | WRITE(numout,*) ' Namelist namsbc_rnf' |
---|
| 284 | WRITE(numout,*) ' specific river mouths treatment ln_rnf_mouth = ', ln_rnf_mouth |
---|
| 285 | WRITE(numout,*) ' river mouth additional Kz rn_avt_rnf = ', rn_avt_rnf |
---|
| 286 | WRITE(numout,*) ' depth of river mouth additional mixing rn_hrnf = ', rn_hrnf |
---|
[3764] | 287 | WRITE(numout,*) ' multiplicative factor for runoff rn_rfact = ', rn_rfact |
---|
[1116] | 288 | ENDIF |
---|
| 289 | ! ! ================== |
---|
| 290 | ! ! Type of runoff |
---|
| 291 | ! ! ================== |
---|
| 292 | ! |
---|
[5407] | 293 | IF( .NOT. l_rnfcpl ) THEN |
---|
[2528] | 294 | ALLOCATE( sf_rnf(1), STAT=ierror ) ! Create sf_rnf structure (runoff inflow) |
---|
| 295 | IF(lwp) WRITE(numout,*) |
---|
| 296 | IF(lwp) WRITE(numout,*) ' runoffs inflow read in a file' |
---|
| 297 | IF( ierror > 0 ) THEN |
---|
| 298 | CALL ctl_stop( 'sbc_rnf: unable to allocate sf_rnf structure' ) ; RETURN |
---|
| 299 | ENDIF |
---|
| 300 | ALLOCATE( sf_rnf(1)%fnow(jpi,jpj,1) ) |
---|
| 301 | IF( sn_rnf%ln_tint ) ALLOCATE( sf_rnf(1)%fdta(jpi,jpj,1,2) ) |
---|
[1133] | 302 | CALL fld_fill( sf_rnf, (/ sn_rnf /), cn_dir, 'sbc_rnf_init', 'read runoffs data', 'namsbc_rnf' ) |
---|
[5407] | 303 | ENDIF |
---|
| 304 | ! |
---|
| 305 | IF( ln_rnf_tem ) THEN ! Create (if required) sf_t_rnf structure |
---|
| 306 | IF(lwp) WRITE(numout,*) |
---|
| 307 | IF(lwp) WRITE(numout,*) ' runoffs temperatures read in a file' |
---|
| 308 | ALLOCATE( sf_t_rnf(1), STAT=ierror ) |
---|
| 309 | IF( ierror > 0 ) THEN |
---|
| 310 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_t_rnf structure' ) ; RETURN |
---|
[2528] | 311 | ENDIF |
---|
[5407] | 312 | ALLOCATE( sf_t_rnf(1)%fnow(jpi,jpj,1) ) |
---|
| 313 | IF( sn_t_rnf%ln_tint ) ALLOCATE( sf_t_rnf(1)%fdta(jpi,jpj,1,2) ) |
---|
| 314 | CALL fld_fill (sf_t_rnf, (/ sn_t_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff temperature data', 'namsbc_rnf' ) |
---|
| 315 | ENDIF |
---|
| 316 | ! |
---|
| 317 | IF( ln_rnf_sal ) THEN ! Create (if required) sf_s_rnf and sf_t_rnf structures |
---|
| 318 | IF(lwp) WRITE(numout,*) |
---|
| 319 | IF(lwp) WRITE(numout,*) ' runoffs salinities read in a file' |
---|
| 320 | ALLOCATE( sf_s_rnf(1), STAT=ierror ) |
---|
| 321 | IF( ierror > 0 ) THEN |
---|
| 322 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_s_rnf structure' ) ; RETURN |
---|
[2528] | 323 | ENDIF |
---|
[5407] | 324 | ALLOCATE( sf_s_rnf(1)%fnow(jpi,jpj,1) ) |
---|
| 325 | IF( sn_s_rnf%ln_tint ) ALLOCATE( sf_s_rnf(1)%fdta(jpi,jpj,1,2) ) |
---|
| 326 | CALL fld_fill (sf_s_rnf, (/ sn_s_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff salinity data', 'namsbc_rnf' ) |
---|
| 327 | ENDIF |
---|
| 328 | ! |
---|
| 329 | IF( ln_rnf_depth ) THEN ! depth of runoffs set from a file |
---|
| 330 | IF(lwp) WRITE(numout,*) |
---|
| 331 | IF(lwp) WRITE(numout,*) ' runoffs depth read in a file' |
---|
| 332 | rn_dep_file = TRIM( cn_dir )//TRIM( sn_dep_rnf%clname ) |
---|
| 333 | IF( .NOT. sn_dep_rnf%ln_clim ) THEN ; WRITE(rn_dep_file, '(a,"_y",i4)' ) TRIM( rn_dep_file ), nyear ! add year |
---|
| 334 | IF( sn_dep_rnf%cltype == 'monthly' ) WRITE(rn_dep_file, '(a,"m",i2)' ) TRIM( rn_dep_file ), nmonth ! add month |
---|
| 335 | ENDIF |
---|
| 336 | CALL iom_open ( rn_dep_file, inum ) ! open file |
---|
| 337 | CALL iom_get ( inum, jpdom_data, sn_dep_rnf%clvar, h_rnf ) ! read the river mouth array |
---|
| 338 | CALL iom_close( inum ) ! close file |
---|
[2528] | 339 | ! |
---|
[5407] | 340 | nk_rnf(:,:) = 0 ! set the number of level over which river runoffs are applied |
---|
| 341 | DO jj = 1, jpj |
---|
| 342 | DO ji = 1, jpi |
---|
| 343 | IF( h_rnf(ji,jj) > 0._wp ) THEN |
---|
| 344 | jk = 2 |
---|
| 345 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
---|
| 346 | END DO |
---|
| 347 | nk_rnf(ji,jj) = jk |
---|
| 348 | ELSEIF( h_rnf(ji,jj) == -1._wp ) THEN ; nk_rnf(ji,jj) = 1 |
---|
| 349 | ELSEIF( h_rnf(ji,jj) == -999._wp ) THEN ; nk_rnf(ji,jj) = mbkt(ji,jj) |
---|
| 350 | ELSE |
---|
| 351 | CALL ctl_stop( 'sbc_rnf_init: runoff depth not positive, and not -999 or -1, rnf value in file fort.999' ) |
---|
| 352 | WRITE(999,*) 'ji, jj, h_rnf(ji,jj) :', ji, jj, h_rnf(ji,jj) |
---|
| 353 | ENDIF |
---|
[3764] | 354 | END DO |
---|
[5407] | 355 | END DO |
---|
| 356 | DO jj = 1, jpj ! set the associated depth |
---|
| 357 | DO ji = 1, jpi |
---|
| 358 | h_rnf(ji,jj) = 0._wp |
---|
| 359 | DO jk = 1, nk_rnf(ji,jj) |
---|
[6140] | 360 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t_n(ji,jj,jk) |
---|
[2528] | 361 | END DO |
---|
| 362 | END DO |
---|
[5407] | 363 | END DO |
---|
| 364 | ! |
---|
| 365 | ELSE IF( ln_rnf_depth_ini ) THEN ! runoffs applied at the surface |
---|
| 366 | ! |
---|
| 367 | IF(lwp) WRITE(numout,*) |
---|
| 368 | IF(lwp) WRITE(numout,*) ' depth of runoff computed once from max value of runoff' |
---|
| 369 | IF(lwp) WRITE(numout,*) ' max value of the runoff climatologie (over global domain) rn_rnf_max = ', rn_rnf_max |
---|
| 370 | IF(lwp) WRITE(numout,*) ' depth over which runoffs is spread rn_dep_max = ', rn_dep_max |
---|
| 371 | IF(lwp) WRITE(numout,*) ' create (=1) a runoff depth file or not (=0) nn_rnf_depth_file = ', nn_rnf_depth_file |
---|
[5385] | 372 | |
---|
[5407] | 373 | CALL iom_open( TRIM( sn_rnf%clname ), inum ) ! open runoff file |
---|
| 374 | CALL iom_gettime( inum, zrec, kntime=nbrec) |
---|
| 375 | ALLOCATE( zrnfcl(jpi,jpj,nbrec) ) ; ALLOCATE( zrnf(jpi,jpj) ) |
---|
| 376 | DO jm = 1, nbrec |
---|
| 377 | CALL iom_get( inum, jpdom_data, TRIM( sn_rnf%clvar ), zrnfcl(:,:,jm), jm ) |
---|
| 378 | END DO |
---|
| 379 | CALL iom_close( inum ) |
---|
| 380 | zrnf(:,:) = MAXVAL( zrnfcl(:,:,:), DIM=3 ) ! maximum value in time |
---|
| 381 | DEALLOCATE( zrnfcl ) |
---|
| 382 | ! |
---|
| 383 | h_rnf(:,:) = 1. |
---|
| 384 | ! |
---|
| 385 | zacoef = rn_dep_max / rn_rnf_max ! coef of linear relation between runoff and its depth (150m for max of runoff) |
---|
| 386 | ! |
---|
| 387 | WHERE( zrnf(:,:) > 0._wp ) h_rnf(:,:) = zacoef * zrnf(:,:) ! compute depth for all runoffs |
---|
| 388 | ! |
---|
| 389 | DO jj = 1, jpj ! take in account min depth of ocean rn_hmin |
---|
| 390 | DO ji = 1, jpi |
---|
| 391 | IF( zrnf(ji,jj) > 0._wp ) THEN |
---|
| 392 | jk = mbkt(ji,jj) |
---|
| 393 | h_rnf(ji,jj) = MIN( h_rnf(ji,jj), gdept_0(ji,jj,jk ) ) |
---|
| 394 | ENDIF |
---|
[5385] | 395 | END DO |
---|
[5407] | 396 | END DO |
---|
| 397 | ! |
---|
| 398 | nk_rnf(:,:) = 0 ! number of levels on which runoffs are distributed |
---|
| 399 | DO jj = 1, jpj |
---|
| 400 | DO ji = 1, jpi |
---|
| 401 | IF( zrnf(ji,jj) > 0._wp ) THEN |
---|
| 402 | jk = 2 |
---|
| 403 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 |
---|
| 404 | END DO |
---|
| 405 | nk_rnf(ji,jj) = jk |
---|
| 406 | ELSE |
---|
| 407 | nk_rnf(ji,jj) = 1 |
---|
| 408 | ENDIF |
---|
[5385] | 409 | END DO |
---|
[5407] | 410 | END DO |
---|
| 411 | ! |
---|
| 412 | DEALLOCATE( zrnf ) |
---|
| 413 | ! |
---|
| 414 | DO jj = 1, jpj ! set the associated depth |
---|
| 415 | DO ji = 1, jpi |
---|
| 416 | h_rnf(ji,jj) = 0._wp |
---|
| 417 | DO jk = 1, nk_rnf(ji,jj) |
---|
[6140] | 418 | h_rnf(ji,jj) = h_rnf(ji,jj) + e3t_n(ji,jj,jk) |
---|
[5385] | 419 | END DO |
---|
| 420 | END DO |
---|
[5407] | 421 | END DO |
---|
| 422 | ! |
---|
| 423 | IF( nn_rnf_depth_file == 1 ) THEN ! save output nb levels for runoff |
---|
| 424 | IF(lwp) WRITE(numout,*) ' create runoff depht file' |
---|
| 425 | CALL iom_open ( TRIM( sn_dep_rnf%clname ), inum, ldwrt = .TRUE., kiolib = jprstlib ) |
---|
| 426 | CALL iom_rstput( 0, 0, inum, 'rodepth', h_rnf ) |
---|
| 427 | CALL iom_close ( inum ) |
---|
[3764] | 428 | ENDIF |
---|
[5407] | 429 | ELSE ! runoffs applied at the surface |
---|
| 430 | nk_rnf(:,:) = 1 |
---|
[6140] | 431 | h_rnf (:,:) = e3t_n(:,:,1) |
---|
[1116] | 432 | ENDIF |
---|
[2528] | 433 | ! |
---|
[3294] | 434 | rnf(:,:) = 0._wp ! runoff initialisation |
---|
[2528] | 435 | rnf_tsc(:,:,:) = 0._wp ! runoffs temperature & salinty contents initilisation |
---|
| 436 | ! |
---|
[1116] | 437 | ! ! ======================== |
---|
| 438 | ! ! River mouth vicinity |
---|
| 439 | ! ! ======================== |
---|
| 440 | ! |
---|
| 441 | IF( ln_rnf_mouth ) THEN ! Specific treatment in vicinity of river mouths : |
---|
| 442 | ! ! - Increase Kz in surface layers ( rn_hrnf > 0 ) |
---|
| 443 | ! ! - set to zero SSS damping (ln_ssr=T) |
---|
| 444 | ! ! - mixed upstream-centered (ln_traadv_cen2=T) |
---|
| 445 | ! |
---|
[2528] | 446 | IF ( ln_rnf_depth ) CALL ctl_warn( 'sbc_rnf_init: increased mixing turned on but effects may already', & |
---|
[3764] | 447 | & 'be spread through depth by ln_rnf_depth' ) |
---|
[2528] | 448 | ! |
---|
| 449 | nkrnf = 0 ! Number of level over which Kz increase |
---|
| 450 | IF( rn_hrnf > 0._wp ) THEN |
---|
[1116] | 451 | nkrnf = 2 |
---|
[5407] | 452 | DO WHILE( nkrnf /= jpkm1 .AND. gdepw_1d(nkrnf+1) < rn_hrnf ) ; nkrnf = nkrnf + 1 |
---|
| 453 | END DO |
---|
[3625] | 454 | IF( ln_sco ) CALL ctl_warn( 'sbc_rnf: number of levels over which Kz is increased is computed for zco...' ) |
---|
[1116] | 455 | ENDIF |
---|
| 456 | IF(lwp) WRITE(numout,*) |
---|
| 457 | IF(lwp) WRITE(numout,*) ' Specific treatment used in vicinity of river mouths :' |
---|
| 458 | IF(lwp) WRITE(numout,*) ' - Increase Kz in surface layers (if rn_hrnf > 0 )' |
---|
| 459 | IF(lwp) WRITE(numout,*) ' by ', rn_avt_rnf,' m2/s over ', nkrnf, ' w-levels' |
---|
| 460 | IF(lwp) WRITE(numout,*) ' - set to zero SSS damping (if ln_ssr=T)' |
---|
| 461 | IF(lwp) WRITE(numout,*) ' - mixed upstream-centered (if ln_traadv_cen2=T)' |
---|
| 462 | ! |
---|
| 463 | CALL rnf_mouth ! set river mouth mask |
---|
| 464 | ! |
---|
| 465 | ELSE ! No treatment at river mouths |
---|
| 466 | IF(lwp) WRITE(numout,*) |
---|
| 467 | IF(lwp) WRITE(numout,*) ' No specific treatment at river mouths' |
---|
[3764] | 468 | rnfmsk (:,:) = 0._wp |
---|
[2528] | 469 | rnfmsk_z(:) = 0._wp |
---|
[1116] | 470 | nkrnf = 0 |
---|
| 471 | ENDIF |
---|
[3625] | 472 | ! |
---|
[1116] | 473 | END SUBROUTINE sbc_rnf_init |
---|
| 474 | |
---|
| 475 | |
---|
[888] | 476 | SUBROUTINE rnf_mouth |
---|
| 477 | !!---------------------------------------------------------------------- |
---|
| 478 | !! *** ROUTINE rnf_mouth *** |
---|
[3764] | 479 | !! |
---|
[888] | 480 | !! ** Purpose : define the river mouths mask |
---|
| 481 | !! |
---|
| 482 | !! ** Method : read the river mouth mask (=0/1) in the river runoff |
---|
[3764] | 483 | !! climatological file. Defined a given vertical structure. |
---|
| 484 | !! CAUTION, the vertical structure is hard coded on the |
---|
[888] | 485 | !! first 5 levels. |
---|
| 486 | !! This fields can be used to: |
---|
[3764] | 487 | !! - set an upstream advection scheme |
---|
[1116] | 488 | !! (ln_rnf_mouth=T and ln_traadv_cen2=T) |
---|
[3764] | 489 | !! - increase vertical on the top nn_krnf vertical levels |
---|
[888] | 490 | !! at river runoff input grid point (nn_krnf>=2, see step.F90) |
---|
| 491 | !! - set to zero SSS restoring flux at river mouth grid points |
---|
| 492 | !! |
---|
| 493 | !! ** Action : rnfmsk set to 1 at river runoff input, 0 elsewhere |
---|
| 494 | !! rnfmsk_z vertical structure |
---|
| 495 | !!---------------------------------------------------------------------- |
---|
[2784] | 496 | INTEGER :: inum ! temporary integers |
---|
| 497 | CHARACTER(len=140) :: cl_rnfile ! runoff file name |
---|
[888] | 498 | !!---------------------------------------------------------------------- |
---|
[3764] | 499 | ! |
---|
[888] | 500 | IF(lwp) WRITE(numout,*) |
---|
| 501 | IF(lwp) WRITE(numout,*) 'rnf_mouth : river mouth mask' |
---|
| 502 | IF(lwp) WRITE(numout,*) '~~~~~~~~~ ' |
---|
[3625] | 503 | ! |
---|
[1133] | 504 | cl_rnfile = TRIM( cn_dir )//TRIM( sn_cnf%clname ) |
---|
| 505 | IF( .NOT. sn_cnf%ln_clim ) THEN ; WRITE(cl_rnfile, '(a,"_y",i4)' ) TRIM( cl_rnfile ), nyear ! add year |
---|
| 506 | IF( sn_cnf%cltype == 'monthly' ) WRITE(cl_rnfile, '(a,"m",i2)' ) TRIM( cl_rnfile ), nmonth ! add month |
---|
| 507 | ENDIF |
---|
[3625] | 508 | ! |
---|
[888] | 509 | ! horizontal mask (read in NetCDF file) |
---|
| 510 | CALL iom_open ( cl_rnfile, inum ) ! open file |
---|
| 511 | CALL iom_get ( inum, jpdom_data, sn_cnf%clvar, rnfmsk ) ! read the river mouth array |
---|
| 512 | CALL iom_close( inum ) ! close file |
---|
[3625] | 513 | ! |
---|
[3632] | 514 | IF( nn_closea == 1 ) CALL clo_rnf( rnfmsk ) ! closed sea inflow set as ruver mouth |
---|
[3625] | 515 | ! |
---|
[3764] | 516 | rnfmsk_z(:) = 0._wp ! vertical structure |
---|
[888] | 517 | rnfmsk_z(1) = 1.0 |
---|
| 518 | rnfmsk_z(2) = 1.0 ! ********** |
---|
| 519 | rnfmsk_z(3) = 0.5 ! HARD CODED on the 5 first levels |
---|
| 520 | rnfmsk_z(4) = 0.25 ! ********** |
---|
| 521 | rnfmsk_z(5) = 0.125 |
---|
[3764] | 522 | ! |
---|
[888] | 523 | END SUBROUTINE rnf_mouth |
---|
[3764] | 524 | |
---|
[888] | 525 | !!====================================================================== |
---|
| 526 | END MODULE sbcrnf |
---|