[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 | !!---------------------------------------------------------------------- |
---|
| 14 | !! sbc_rnf : monthly runoffs read in a NetCDF file |
---|
[1116] | 15 | !! sbc_rnf_init : runoffs initialisation |
---|
[888] | 16 | !! rnf_mouth : set river mouth mask |
---|
| 17 | !!---------------------------------------------------------------------- |
---|
| 18 | USE dom_oce ! ocean space and time domain |
---|
| 19 | USE phycst ! physical constants |
---|
| 20 | USE sbc_oce ! surface boundary condition variables |
---|
[4990] | 21 | USE sbcisf ! PM we could remove it I think |
---|
[2715] | 22 | USE closea ! closed seas |
---|
[2528] | 23 | USE fldread ! read input field at current time step |
---|
[888] | 24 | USE in_out_manager ! I/O manager |
---|
| 25 | USE iom ! I/O module |
---|
[2715] | 26 | USE lib_mpp ! MPP library |
---|
[4990] | 27 | USE eosbn2 |
---|
| 28 | USE wrk_nemo ! Memory allocation |
---|
[888] | 29 | |
---|
| 30 | IMPLICIT NONE |
---|
| 31 | PRIVATE |
---|
| 32 | |
---|
[2528] | 33 | PUBLIC sbc_rnf ! routine call in sbcmod module |
---|
| 34 | PUBLIC sbc_rnf_div ! routine called in sshwzv module |
---|
[2715] | 35 | PUBLIC sbc_rnf_alloc ! routine call in sbcmod module |
---|
[3764] | 36 | PUBLIC sbc_rnf_init ! (PUBLIC for TAM) |
---|
[2715] | 37 | ! !!* namsbc_rnf namelist * |
---|
[4147] | 38 | CHARACTER(len=100), PUBLIC :: cn_dir !: Root directory for location of ssr files |
---|
| 39 | LOGICAL , PUBLIC :: ln_rnf_depth !: depth river runoffs attribute specified in a file |
---|
| 40 | LOGICAL , PUBLIC :: ln_rnf_tem !: temperature river runoffs attribute specified in a file |
---|
| 41 | LOGICAL , PUBLIC :: ln_rnf_sal !: salinity river runoffs attribute specified in a file |
---|
| 42 | LOGICAL , PUBLIC :: ln_rnf_emp !: runoffs into a file to be read or already into precipitation |
---|
| 43 | TYPE(FLD_N) , PUBLIC :: sn_rnf !: information about the runoff file to be read |
---|
| 44 | TYPE(FLD_N) , PUBLIC :: sn_cnf !: information about the runoff mouth file to be read |
---|
| 45 | TYPE(FLD_N) :: sn_s_rnf !: information about the salinities of runoff file to be read |
---|
| 46 | TYPE(FLD_N) :: sn_t_rnf !: information about the temperatures of runoff file to be read |
---|
| 47 | TYPE(FLD_N) :: sn_dep_rnf !: information about the depth which river inflow affects |
---|
| 48 | LOGICAL , PUBLIC :: ln_rnf_mouth !: specific treatment in mouths vicinity |
---|
| 49 | REAL(wp) , PUBLIC :: rn_hrnf !: runoffs, depth over which enhanced vertical mixing is used |
---|
| 50 | REAL(wp) , PUBLIC :: rn_avt_rnf !: runoffs, value of the additional vertical mixing coef. [m2/s] |
---|
| 51 | REAL(wp) , PUBLIC :: rn_rfact !: multiplicative factor for runoff |
---|
[888] | 52 | |
---|
[2715] | 53 | INTEGER , PUBLIC :: nkrnf = 0 !: nb of levels over which Kz is increased at river mouths |
---|
| 54 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rnfmsk !: river mouth mask (hori.) |
---|
| 55 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: rnfmsk_z !: river mouth mask (vert.) |
---|
| 56 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: h_rnf !: depth of runoff in m |
---|
| 57 | INTEGER, PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: nk_rnf !: depth of runoff in model levels |
---|
[3764] | 58 | 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] | 59 | |
---|
[3680] | 60 | TYPE(FLD), PUBLIC, ALLOCATABLE, DIMENSION(:) :: sf_rnf ! structure: river runoff (file information, fields read) |
---|
| 61 | TYPE(FLD), PUBLIC, ALLOCATABLE, DIMENSION(:) :: sf_s_rnf ! structure: river runoff salinity (file information, fields read) |
---|
| 62 | TYPE(FLD), PUBLIC, ALLOCATABLE, DIMENSION(:) :: sf_t_rnf ! structure: river runoff temperature (file information, fields read) |
---|
[2528] | 63 | |
---|
| 64 | !! * Substitutions |
---|
| 65 | # include "domzgr_substitute.h90" |
---|
[888] | 66 | !!---------------------------------------------------------------------- |
---|
[2528] | 67 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
[1146] | 68 | !! $Id$ |
---|
[2528] | 69 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
[888] | 70 | !!---------------------------------------------------------------------- |
---|
| 71 | CONTAINS |
---|
| 72 | |
---|
[2715] | 73 | INTEGER FUNCTION sbc_rnf_alloc() |
---|
| 74 | !!---------------------------------------------------------------------- |
---|
| 75 | !! *** ROUTINE sbc_rnf_alloc *** |
---|
| 76 | !!---------------------------------------------------------------------- |
---|
| 77 | ALLOCATE( rnfmsk(jpi,jpj) , rnfmsk_z(jpk) , & |
---|
| 78 | & h_rnf (jpi,jpj) , nk_rnf (jpi,jpj) , & |
---|
| 79 | & rnf_tsc_b(jpi,jpj,jpts) , rnf_tsc (jpi,jpj,jpts) , STAT=sbc_rnf_alloc ) |
---|
| 80 | ! |
---|
| 81 | IF( lk_mpp ) CALL mpp_sum ( sbc_rnf_alloc ) |
---|
| 82 | IF( sbc_rnf_alloc > 0 ) CALL ctl_warn('sbc_rnf_alloc: allocation of arrays failed') |
---|
| 83 | END FUNCTION sbc_rnf_alloc |
---|
| 84 | |
---|
[3625] | 85 | |
---|
[888] | 86 | SUBROUTINE sbc_rnf( kt ) |
---|
| 87 | !!---------------------------------------------------------------------- |
---|
| 88 | !! *** ROUTINE sbc_rnf *** |
---|
[3764] | 89 | !! |
---|
[888] | 90 | !! ** Purpose : Introduce a climatological run off forcing |
---|
| 91 | !! |
---|
[3764] | 92 | !! ** Method : Set each river mouth with a monthly climatology |
---|
[888] | 93 | !! provided from different data. |
---|
| 94 | !! CAUTION : upward water flux, runoff forced to be < 0 |
---|
| 95 | !! |
---|
| 96 | !! ** Action : runoff updated runoff field at time-step kt |
---|
| 97 | !!---------------------------------------------------------------------- |
---|
| 98 | INTEGER, INTENT(in) :: kt ! ocean time step |
---|
[3625] | 99 | ! |
---|
[3832] | 100 | INTEGER :: ji, jj ! dummy loop indices |
---|
| 101 | INTEGER :: z_err = 0 ! dummy integer for error handling |
---|
[888] | 102 | !!---------------------------------------------------------------------- |
---|
[4990] | 103 | REAL(wp), DIMENSION(:,:), POINTER :: ztfrz ! freezing point used for temperature correction |
---|
[3764] | 104 | ! |
---|
[4990] | 105 | CALL wrk_alloc( jpi,jpj, ztfrz) |
---|
| 106 | |
---|
| 107 | ! |
---|
[2528] | 108 | IF( kt == nit000 ) CALL sbc_rnf_init ! Read namelist and allocate structures |
---|
| 109 | |
---|
| 110 | ! ! ---------------------------------------- ! |
---|
| 111 | IF( kt /= nit000 ) THEN ! Swap of forcing fields ! |
---|
| 112 | ! ! ---------------------------------------- ! |
---|
| 113 | rnf_b (:,: ) = rnf (:,: ) ! Swap the ocean forcing fields except at nit000 |
---|
| 114 | rnf_tsc_b(:,:,:) = rnf_tsc(:,:,:) ! where before fields are set at the end of the routine |
---|
| 115 | ! |
---|
[1242] | 116 | ENDIF |
---|
[888] | 117 | |
---|
| 118 | ! !-------------------! |
---|
[1116] | 119 | IF( .NOT. ln_rnf_emp ) THEN ! Update runoff ! |
---|
[888] | 120 | ! !-------------------! |
---|
| 121 | ! |
---|
[3764] | 122 | CALL fld_read ( kt, nn_fsbc, sf_rnf ) ! Read Runoffs data and provide it at kt |
---|
[2528] | 123 | IF( ln_rnf_tem ) CALL fld_read ( kt, nn_fsbc, sf_t_rnf ) ! idem for runoffs temperature if required |
---|
| 124 | IF( ln_rnf_sal ) CALL fld_read ( kt, nn_fsbc, sf_s_rnf ) ! idem for runoffs salinity if required |
---|
| 125 | ! |
---|
[888] | 126 | ! Runoff reduction only associated to the ORCA2_LIM configuration |
---|
| 127 | ! when reading the NetCDF file runoff_1m_nomask.nc |
---|
| 128 | IF( cp_cfg == 'orca' .AND. jp_cfg == 2 ) THEN |
---|
[2528] | 129 | WHERE( 40._wp < gphit(:,:) .AND. gphit(:,:) < 65._wp ) |
---|
| 130 | sf_rnf(1)%fnow(:,:,1) = 0.85 * sf_rnf(1)%fnow(:,:,1) |
---|
| 131 | END WHERE |
---|
| 132 | ENDIF |
---|
| 133 | ! |
---|
| 134 | IF( MOD( kt - 1, nn_fsbc ) == 0 ) THEN |
---|
| 135 | ! |
---|
[3625] | 136 | rnf(:,:) = rn_rfact * ( sf_rnf(1)%fnow(:,:,1) ) ! updated runoff value at time step kt |
---|
| 137 | ! |
---|
[2528] | 138 | ! ! set temperature & salinity content of runoffs |
---|
| 139 | IF( ln_rnf_tem ) THEN ! use runoffs temperature data |
---|
| 140 | rnf_tsc(:,:,jp_tem) = ( sf_t_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
---|
[3811] | 141 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -999._wp ) ! if missing data value use SST as runoffs temperature |
---|
[2528] | 142 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
---|
| 143 | END WHERE |
---|
[4990] | 144 | WHERE( sf_t_rnf(1)%fnow(:,:,1) == -222._wp ) ! where fwf comes from melting of ice shelves or iceberg |
---|
| 145 | ztfrz(:,:) = -1.9 !tfreez( sss_m(:,:) ) !PM to be discuss (trouble if sensitivity study) |
---|
| 146 | rnf_tsc(:,:,jp_tem) = ztfrz(:,:) * rnf(:,:) * r1_rau0 - rnf(:,:) * lfusisf * r1_rau0_rcp |
---|
| 147 | END WHERE |
---|
[2528] | 148 | ELSE ! use SST as runoffs temperature |
---|
| 149 | rnf_tsc(:,:,jp_tem) = sst_m(:,:) * rnf(:,:) * r1_rau0 |
---|
[3764] | 150 | ENDIF |
---|
| 151 | ! ! use runoffs salinity data |
---|
[2528] | 152 | IF( ln_rnf_sal ) rnf_tsc(:,:,jp_sal) = ( sf_s_rnf(1)%fnow(:,:,1) ) * rnf(:,:) * r1_rau0 |
---|
| 153 | ! ! else use S=0 for runoffs (done one for all in the init) |
---|
[3832] | 154 | IF ( ANY( rnf(:,:) < 0._wp ) ) z_err=1 |
---|
| 155 | IF(lk_mpp) CALL mpp_sum(z_err) |
---|
| 156 | IF( z_err > 0 ) CALL ctl_stop( 'sbc_rnf : negative runnoff values exist' ) |
---|
[2528] | 157 | ! |
---|
| 158 | CALL iom_put( "runoffs", rnf ) ! output runoffs arrays |
---|
| 159 | ENDIF |
---|
| 160 | ! |
---|
| 161 | ENDIF |
---|
| 162 | ! |
---|
| 163 | IF( kt == nit000 ) THEN ! set the forcing field at nit000 - 1 ! |
---|
| 164 | ! ! ---------------------------------------- ! |
---|
| 165 | IF( ln_rstart .AND. & !* Restart: read in restart file |
---|
[3764] | 166 | & iom_varid( numror, 'rnf_b', ldstop = .FALSE. ) > 0 ) THEN |
---|
[2528] | 167 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields red in the restart file' |
---|
| 168 | CALL iom_get( numror, jpdom_autoglo, 'rnf_b', rnf_b ) ! before runoff |
---|
| 169 | CALL iom_get( numror, jpdom_autoglo, 'rnf_hc_b', rnf_tsc_b(:,:,jp_tem) ) ! before heat content of runoff |
---|
| 170 | CALL iom_get( numror, jpdom_autoglo, 'rnf_sc_b', rnf_tsc_b(:,:,jp_sal) ) ! before salinity content of runoff |
---|
| 171 | ELSE !* no restart: set from nit000 values |
---|
| 172 | IF(lwp) WRITE(numout,*) ' nit000-1 runoff forcing fields set to nit000' |
---|
[3764] | 173 | rnf_b (:,: ) = rnf (:,: ) |
---|
| 174 | rnf_tsc_b(:,:,:) = rnf_tsc(:,:,:) |
---|
[2528] | 175 | ENDIF |
---|
| 176 | ENDIF |
---|
| 177 | ! ! ---------------------------------------- ! |
---|
| 178 | IF( lrst_oce ) THEN ! Write in the ocean restart file ! |
---|
| 179 | ! ! ---------------------------------------- ! |
---|
| 180 | IF(lwp) WRITE(numout,*) |
---|
| 181 | IF(lwp) WRITE(numout,*) 'sbcrnf : runoff forcing fields written in ocean restart file ', & |
---|
| 182 | & 'at it= ', kt,' date= ', ndastp |
---|
| 183 | IF(lwp) WRITE(numout,*) '~~~~' |
---|
| 184 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_b' , rnf ) |
---|
| 185 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_hc_b', rnf_tsc(:,:,jp_tem) ) |
---|
| 186 | CALL iom_rstput( kt, nitrst, numrow, 'rnf_sc_b', rnf_tsc(:,:,jp_sal) ) |
---|
| 187 | ENDIF |
---|
[4990] | 188 | CALL wrk_dealloc( jpi,jpj, ztfrz) |
---|
[2528] | 189 | ! |
---|
| 190 | END SUBROUTINE sbc_rnf |
---|
| 191 | |
---|
| 192 | |
---|
| 193 | SUBROUTINE sbc_rnf_div( phdivn ) |
---|
| 194 | !!---------------------------------------------------------------------- |
---|
| 195 | !! *** ROUTINE sbc_rnf *** |
---|
[3764] | 196 | !! |
---|
[2528] | 197 | !! ** Purpose : update the horizontal divergence with the runoff inflow |
---|
| 198 | !! |
---|
[3764] | 199 | !! ** Method : |
---|
| 200 | !! CAUTION : rnf is positive (inflow) decreasing the |
---|
[2528] | 201 | !! divergence and expressed in m/s |
---|
| 202 | !! |
---|
| 203 | !! ** Action : phdivn decreased by the runoff inflow |
---|
| 204 | !!---------------------------------------------------------------------- |
---|
[2715] | 205 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: phdivn ! horizontal divergence |
---|
[2528] | 206 | !! |
---|
| 207 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 208 | REAL(wp) :: zfact ! local scalar |
---|
| 209 | !!---------------------------------------------------------------------- |
---|
| 210 | ! |
---|
| 211 | zfact = 0.5_wp |
---|
| 212 | ! |
---|
| 213 | IF( ln_rnf_depth ) THEN !== runoff distributed over several levels ==! |
---|
[3764] | 214 | IF( lk_vvl ) THEN ! variable volume case |
---|
[2528] | 215 | DO jj = 1, jpj ! update the depth over which runoffs are distributed |
---|
| 216 | DO ji = 1, jpi |
---|
[3764] | 217 | h_rnf(ji,jj) = 0._wp |
---|
[2528] | 218 | DO jk = 1, nk_rnf(ji,jj) ! recalculates h_rnf to be the depth in metres |
---|
[3764] | 219 | h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) ! to the bottom of the relevant grid box |
---|
| 220 | END DO |
---|
[2528] | 221 | ! ! apply the runoff input flow |
---|
| 222 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 223 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rau0 / h_rnf(ji,jj) |
---|
| 224 | END DO |
---|
| 225 | END DO |
---|
| 226 | END DO |
---|
| 227 | ELSE ! constant volume case : just apply the runoff input flow |
---|
[888] | 228 | DO jj = 1, jpj |
---|
| 229 | DO ji = 1, jpi |
---|
[2528] | 230 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 231 | phdivn(ji,jj,jk) = phdivn(ji,jj,jk) - ( rnf(ji,jj) + rnf_b(ji,jj) ) * zfact * r1_rau0 / h_rnf(ji,jj) |
---|
| 232 | END DO |
---|
[888] | 233 | END DO |
---|
| 234 | END DO |
---|
| 235 | ENDIF |
---|
[2528] | 236 | ELSE !== runoff put only at the surface ==! |
---|
| 237 | IF( lk_vvl ) THEN ! variable volume case |
---|
| 238 | h_rnf(:,:) = fse3t(:,:,1) ! recalculate h_rnf to be depth of top box |
---|
[1303] | 239 | ENDIF |
---|
[2528] | 240 | phdivn(:,:,1) = phdivn(:,:,1) - ( rnf(:,:) + rnf_b(:,:) ) * zfact * r1_rau0 / fse3t(:,:,1) |
---|
[888] | 241 | ENDIF |
---|
| 242 | ! |
---|
[2528] | 243 | END SUBROUTINE sbc_rnf_div |
---|
[888] | 244 | |
---|
| 245 | |
---|
[2528] | 246 | SUBROUTINE sbc_rnf_init |
---|
[1116] | 247 | !!---------------------------------------------------------------------- |
---|
| 248 | !! *** ROUTINE sbc_rnf_init *** |
---|
| 249 | !! |
---|
| 250 | !! ** Purpose : Initialisation of the runoffs if (ln_rnf=T) |
---|
| 251 | !! |
---|
| 252 | !! ** Method : - read the runoff namsbc_rnf namelist |
---|
| 253 | !! |
---|
| 254 | !! ** Action : - read parameters |
---|
| 255 | !!---------------------------------------------------------------------- |
---|
[3764] | 256 | CHARACTER(len=32) :: rn_dep_file ! runoff file name |
---|
[2528] | 257 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 258 | INTEGER :: ierror, inum ! temporary integer |
---|
[4147] | 259 | INTEGER :: ios ! Local integer output status for namelist read |
---|
[3625] | 260 | ! |
---|
[2528] | 261 | NAMELIST/namsbc_rnf/ cn_dir, ln_rnf_emp, ln_rnf_depth, ln_rnf_tem, ln_rnf_sal, & |
---|
[3764] | 262 | & sn_rnf, sn_cnf , sn_s_rnf , sn_t_rnf , sn_dep_rnf, & |
---|
| 263 | & ln_rnf_mouth , rn_hrnf , rn_avt_rnf, rn_rfact |
---|
[1116] | 264 | !!---------------------------------------------------------------------- |
---|
[3625] | 265 | ! |
---|
[1116] | 266 | ! ! ============ |
---|
| 267 | ! ! Namelist |
---|
| 268 | ! ! ============ |
---|
[4147] | 269 | ! |
---|
| 270 | REWIND( numnam_ref ) ! Namelist namsbc_rnf in reference namelist : Runoffs |
---|
| 271 | READ ( numnam_ref, namsbc_rnf, IOSTAT = ios, ERR = 901) |
---|
| 272 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in reference namelist', lwp ) |
---|
[1116] | 273 | |
---|
[4147] | 274 | REWIND( numnam_cfg ) ! Namelist namsbc_rnf in configuration namelist : Runoffs |
---|
| 275 | READ ( numnam_cfg, namsbc_rnf, IOSTAT = ios, ERR = 902 ) |
---|
| 276 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namsbc_rnf in configuration namelist', lwp ) |
---|
[4624] | 277 | IF(lwm) WRITE ( numond, namsbc_rnf ) |
---|
[1116] | 278 | ! |
---|
| 279 | ! ! Control print |
---|
| 280 | IF(lwp) THEN |
---|
| 281 | WRITE(numout,*) |
---|
| 282 | WRITE(numout,*) 'sbc_rnf : runoff ' |
---|
| 283 | WRITE(numout,*) '~~~~~~~ ' |
---|
| 284 | WRITE(numout,*) ' Namelist namsbc_rnf' |
---|
| 285 | WRITE(numout,*) ' runoff in a file to be read ln_rnf_emp = ', ln_rnf_emp |
---|
| 286 | WRITE(numout,*) ' specific river mouths treatment ln_rnf_mouth = ', ln_rnf_mouth |
---|
| 287 | WRITE(numout,*) ' river mouth additional Kz rn_avt_rnf = ', rn_avt_rnf |
---|
| 288 | WRITE(numout,*) ' depth of river mouth additional mixing rn_hrnf = ', rn_hrnf |
---|
[3764] | 289 | WRITE(numout,*) ' multiplicative factor for runoff rn_rfact = ', rn_rfact |
---|
[1116] | 290 | ENDIF |
---|
[3625] | 291 | ! |
---|
[1116] | 292 | ! ! ================== |
---|
| 293 | ! ! Type of runoff |
---|
| 294 | ! ! ================== |
---|
[2715] | 295 | ! !== allocate runoff arrays |
---|
| 296 | IF( sbc_rnf_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'sbc_rnf_alloc : unable to allocate arrays' ) |
---|
[1116] | 297 | ! |
---|
[2528] | 298 | IF( ln_rnf_emp ) THEN !== runoffs directly provided in the precipitations ==! |
---|
[1116] | 299 | IF(lwp) WRITE(numout,*) |
---|
| 300 | IF(lwp) WRITE(numout,*) ' runoffs directly provided in the precipitations' |
---|
[2528] | 301 | IF( ln_rnf_depth .OR. ln_rnf_tem .OR. ln_rnf_sal ) THEN |
---|
[3764] | 302 | CALL ctl_warn( 'runoffs already included in precipitations, so runoff (T,S, depth) attributes will not be used' ) |
---|
[2528] | 303 | ln_rnf_depth = .FALSE. ; ln_rnf_tem = .FALSE. ; ln_rnf_sal = .FALSE. |
---|
| 304 | ENDIF |
---|
[1116] | 305 | ! |
---|
[2528] | 306 | ELSE !== runoffs read in a file : set sf_rnf structure ==! |
---|
[1116] | 307 | ! |
---|
[2528] | 308 | ALLOCATE( sf_rnf(1), STAT=ierror ) ! Create sf_rnf structure (runoff inflow) |
---|
| 309 | IF(lwp) WRITE(numout,*) |
---|
| 310 | IF(lwp) WRITE(numout,*) ' runoffs inflow read in a file' |
---|
| 311 | IF( ierror > 0 ) THEN |
---|
| 312 | CALL ctl_stop( 'sbc_rnf: unable to allocate sf_rnf structure' ) ; RETURN |
---|
| 313 | ENDIF |
---|
| 314 | ALLOCATE( sf_rnf(1)%fnow(jpi,jpj,1) ) |
---|
| 315 | IF( sn_rnf%ln_tint ) ALLOCATE( sf_rnf(1)%fdta(jpi,jpj,1,2) ) |
---|
| 316 | ! ! fill sf_rnf with the namelist (sn_rnf) and control print |
---|
[1133] | 317 | CALL fld_fill( sf_rnf, (/ sn_rnf /), cn_dir, 'sbc_rnf_init', 'read runoffs data', 'namsbc_rnf' ) |
---|
[1116] | 318 | ! |
---|
[2528] | 319 | IF( ln_rnf_tem ) THEN ! Create (if required) sf_t_rnf structure |
---|
| 320 | IF(lwp) WRITE(numout,*) |
---|
| 321 | IF(lwp) WRITE(numout,*) ' runoffs temperatures read in a file' |
---|
| 322 | ALLOCATE( sf_t_rnf(1), STAT=ierror ) |
---|
| 323 | IF( ierror > 0 ) THEN |
---|
| 324 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_t_rnf structure' ) ; RETURN |
---|
| 325 | ENDIF |
---|
| 326 | ALLOCATE( sf_t_rnf(1)%fnow(jpi,jpj,1) ) |
---|
| 327 | IF( sn_t_rnf%ln_tint ) ALLOCATE( sf_t_rnf(1)%fdta(jpi,jpj,1,2) ) |
---|
[3764] | 328 | CALL fld_fill (sf_t_rnf, (/ sn_t_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff temperature data', 'namsbc_rnf' ) |
---|
[2528] | 329 | ENDIF |
---|
| 330 | ! |
---|
| 331 | IF( ln_rnf_sal ) THEN ! Create (if required) sf_s_rnf and sf_t_rnf structures |
---|
| 332 | IF(lwp) WRITE(numout,*) |
---|
| 333 | IF(lwp) WRITE(numout,*) ' runoffs salinities read in a file' |
---|
| 334 | ALLOCATE( sf_s_rnf(1), STAT=ierror ) |
---|
| 335 | IF( ierror > 0 ) THEN |
---|
| 336 | CALL ctl_stop( 'sbc_rnf_init: unable to allocate sf_s_rnf structure' ) ; RETURN |
---|
| 337 | ENDIF |
---|
| 338 | ALLOCATE( sf_s_rnf(1)%fnow(jpi,jpj,1) ) |
---|
| 339 | IF( sn_s_rnf%ln_tint ) ALLOCATE( sf_s_rnf(1)%fdta(jpi,jpj,1,2) ) |
---|
[3764] | 340 | CALL fld_fill (sf_s_rnf, (/ sn_s_rnf /), cn_dir, 'sbc_rnf_init', 'read runoff salinity data', 'namsbc_rnf' ) |
---|
[2528] | 341 | ENDIF |
---|
| 342 | ! |
---|
[3764] | 343 | IF( ln_rnf_depth ) THEN ! depth of runoffs set from a file |
---|
[2528] | 344 | IF(lwp) WRITE(numout,*) |
---|
| 345 | IF(lwp) WRITE(numout,*) ' runoffs depth read in a file' |
---|
[3764] | 346 | rn_dep_file = TRIM( cn_dir )//TRIM( sn_dep_rnf%clname ) |
---|
[3832] | 347 | IF( .NOT. sn_dep_rnf%ln_clim ) THEN ; WRITE(rn_dep_file, '(a,"_y",i4)' ) TRIM( rn_dep_file ), nyear ! add year |
---|
| 348 | IF( sn_dep_rnf%cltype == 'monthly' ) WRITE(rn_dep_file, '(a,"m",i2)' ) TRIM( rn_dep_file ), nmonth ! add month |
---|
| 349 | ENDIF |
---|
[3764] | 350 | CALL iom_open ( rn_dep_file, inum ) ! open file |
---|
| 351 | CALL iom_get ( inum, jpdom_data, sn_dep_rnf%clvar, h_rnf ) ! read the river mouth array |
---|
| 352 | CALL iom_close( inum ) ! close file |
---|
[2528] | 353 | ! |
---|
| 354 | nk_rnf(:,:) = 0 ! set the number of level over which river runoffs are applied |
---|
[3764] | 355 | DO jj = 1, jpj |
---|
| 356 | DO ji = 1, jpi |
---|
| 357 | IF( h_rnf(ji,jj) > 0._wp ) THEN |
---|
| 358 | jk = 2 |
---|
[4368] | 359 | DO WHILE ( jk /= mbkt(ji,jj) .AND. gdept_0(ji,jj,jk) < h_rnf(ji,jj) ) ; jk = jk + 1 ; END DO |
---|
[3764] | 360 | nk_rnf(ji,jj) = jk |
---|
| 361 | ELSEIF( h_rnf(ji,jj) == -1._wp ) THEN ; nk_rnf(ji,jj) = 1 |
---|
| 362 | ELSEIF( h_rnf(ji,jj) == -999._wp ) THEN ; nk_rnf(ji,jj) = mbkt(ji,jj) |
---|
| 363 | ELSE |
---|
[3832] | 364 | CALL ctl_stop( 'sbc_rnf_init: runoff depth not positive, and not -999 or -1, rnf value in file fort.999' ) |
---|
| 365 | WRITE(999,*) 'ji, jj, h_rnf(ji,jj) :', ji, jj, h_rnf(ji,jj) |
---|
[3764] | 366 | ENDIF |
---|
| 367 | END DO |
---|
| 368 | END DO |
---|
| 369 | DO jj = 1, jpj ! set the associated depth |
---|
| 370 | DO ji = 1, jpi |
---|
[2528] | 371 | h_rnf(ji,jj) = 0._wp |
---|
[3764] | 372 | DO jk = 1, nk_rnf(ji,jj) |
---|
| 373 | h_rnf(ji,jj) = h_rnf(ji,jj) + fse3t(ji,jj,jk) |
---|
[2528] | 374 | END DO |
---|
| 375 | END DO |
---|
| 376 | END DO |
---|
[3764] | 377 | ELSE ! runoffs applied at the surface |
---|
| 378 | nk_rnf(:,:) = 1 |
---|
[2528] | 379 | h_rnf (:,:) = fse3t(:,:,1) |
---|
[3764] | 380 | ENDIF |
---|
| 381 | ! |
---|
[1116] | 382 | ENDIF |
---|
[2528] | 383 | ! |
---|
[3294] | 384 | rnf(:,:) = 0._wp ! runoff initialisation |
---|
[2528] | 385 | rnf_tsc(:,:,:) = 0._wp ! runoffs temperature & salinty contents initilisation |
---|
| 386 | ! |
---|
[1116] | 387 | ! ! ======================== |
---|
| 388 | ! ! River mouth vicinity |
---|
| 389 | ! ! ======================== |
---|
| 390 | ! |
---|
| 391 | IF( ln_rnf_mouth ) THEN ! Specific treatment in vicinity of river mouths : |
---|
| 392 | ! ! - Increase Kz in surface layers ( rn_hrnf > 0 ) |
---|
| 393 | ! ! - set to zero SSS damping (ln_ssr=T) |
---|
| 394 | ! ! - mixed upstream-centered (ln_traadv_cen2=T) |
---|
| 395 | ! |
---|
[2528] | 396 | IF ( ln_rnf_depth ) CALL ctl_warn( 'sbc_rnf_init: increased mixing turned on but effects may already', & |
---|
[3764] | 397 | & 'be spread through depth by ln_rnf_depth' ) |
---|
[2528] | 398 | ! |
---|
| 399 | nkrnf = 0 ! Number of level over which Kz increase |
---|
| 400 | IF( rn_hrnf > 0._wp ) THEN |
---|
[1116] | 401 | nkrnf = 2 |
---|
[4292] | 402 | DO WHILE( nkrnf /= jpkm1 .AND. gdepw_1d(nkrnf+1) < rn_hrnf ) ; nkrnf = nkrnf + 1 ; END DO |
---|
[3625] | 403 | IF( ln_sco ) CALL ctl_warn( 'sbc_rnf: number of levels over which Kz is increased is computed for zco...' ) |
---|
[1116] | 404 | ENDIF |
---|
| 405 | IF(lwp) WRITE(numout,*) |
---|
| 406 | IF(lwp) WRITE(numout,*) ' Specific treatment used in vicinity of river mouths :' |
---|
| 407 | IF(lwp) WRITE(numout,*) ' - Increase Kz in surface layers (if rn_hrnf > 0 )' |
---|
| 408 | IF(lwp) WRITE(numout,*) ' by ', rn_avt_rnf,' m2/s over ', nkrnf, ' w-levels' |
---|
| 409 | IF(lwp) WRITE(numout,*) ' - set to zero SSS damping (if ln_ssr=T)' |
---|
| 410 | IF(lwp) WRITE(numout,*) ' - mixed upstream-centered (if ln_traadv_cen2=T)' |
---|
| 411 | ! |
---|
| 412 | CALL rnf_mouth ! set river mouth mask |
---|
| 413 | ! |
---|
| 414 | ELSE ! No treatment at river mouths |
---|
| 415 | IF(lwp) WRITE(numout,*) |
---|
| 416 | IF(lwp) WRITE(numout,*) ' No specific treatment at river mouths' |
---|
[3764] | 417 | rnfmsk (:,:) = 0._wp |
---|
[2528] | 418 | rnfmsk_z(:) = 0._wp |
---|
[1116] | 419 | nkrnf = 0 |
---|
| 420 | ENDIF |
---|
[3625] | 421 | ! |
---|
[1116] | 422 | END SUBROUTINE sbc_rnf_init |
---|
| 423 | |
---|
| 424 | |
---|
[888] | 425 | SUBROUTINE rnf_mouth |
---|
| 426 | !!---------------------------------------------------------------------- |
---|
| 427 | !! *** ROUTINE rnf_mouth *** |
---|
[3764] | 428 | !! |
---|
[888] | 429 | !! ** Purpose : define the river mouths mask |
---|
| 430 | !! |
---|
| 431 | !! ** Method : read the river mouth mask (=0/1) in the river runoff |
---|
[3764] | 432 | !! climatological file. Defined a given vertical structure. |
---|
| 433 | !! CAUTION, the vertical structure is hard coded on the |
---|
[888] | 434 | !! first 5 levels. |
---|
| 435 | !! This fields can be used to: |
---|
[3764] | 436 | !! - set an upstream advection scheme |
---|
[1116] | 437 | !! (ln_rnf_mouth=T and ln_traadv_cen2=T) |
---|
[3764] | 438 | !! - increase vertical on the top nn_krnf vertical levels |
---|
[888] | 439 | !! at river runoff input grid point (nn_krnf>=2, see step.F90) |
---|
| 440 | !! - set to zero SSS restoring flux at river mouth grid points |
---|
| 441 | !! |
---|
| 442 | !! ** Action : rnfmsk set to 1 at river runoff input, 0 elsewhere |
---|
| 443 | !! rnfmsk_z vertical structure |
---|
| 444 | !!---------------------------------------------------------------------- |
---|
[2784] | 445 | INTEGER :: inum ! temporary integers |
---|
| 446 | CHARACTER(len=140) :: cl_rnfile ! runoff file name |
---|
[888] | 447 | !!---------------------------------------------------------------------- |
---|
[3764] | 448 | ! |
---|
[888] | 449 | IF(lwp) WRITE(numout,*) |
---|
| 450 | IF(lwp) WRITE(numout,*) 'rnf_mouth : river mouth mask' |
---|
| 451 | IF(lwp) WRITE(numout,*) '~~~~~~~~~ ' |
---|
[3625] | 452 | ! |
---|
[1133] | 453 | cl_rnfile = TRIM( cn_dir )//TRIM( sn_cnf%clname ) |
---|
| 454 | IF( .NOT. sn_cnf%ln_clim ) THEN ; WRITE(cl_rnfile, '(a,"_y",i4)' ) TRIM( cl_rnfile ), nyear ! add year |
---|
| 455 | IF( sn_cnf%cltype == 'monthly' ) WRITE(cl_rnfile, '(a,"m",i2)' ) TRIM( cl_rnfile ), nmonth ! add month |
---|
| 456 | ENDIF |
---|
[3625] | 457 | ! |
---|
[888] | 458 | ! horizontal mask (read in NetCDF file) |
---|
| 459 | CALL iom_open ( cl_rnfile, inum ) ! open file |
---|
| 460 | CALL iom_get ( inum, jpdom_data, sn_cnf%clvar, rnfmsk ) ! read the river mouth array |
---|
| 461 | CALL iom_close( inum ) ! close file |
---|
[3625] | 462 | ! |
---|
[3632] | 463 | IF( nn_closea == 1 ) CALL clo_rnf( rnfmsk ) ! closed sea inflow set as ruver mouth |
---|
[3625] | 464 | ! |
---|
[3764] | 465 | rnfmsk_z(:) = 0._wp ! vertical structure |
---|
[888] | 466 | rnfmsk_z(1) = 1.0 |
---|
| 467 | rnfmsk_z(2) = 1.0 ! ********** |
---|
| 468 | rnfmsk_z(3) = 0.5 ! HARD CODED on the 5 first levels |
---|
| 469 | rnfmsk_z(4) = 0.25 ! ********** |
---|
| 470 | rnfmsk_z(5) = 0.125 |
---|
[3764] | 471 | ! |
---|
[888] | 472 | END SUBROUTINE rnf_mouth |
---|
[3764] | 473 | |
---|
[888] | 474 | !!====================================================================== |
---|
| 475 | END MODULE sbcrnf |
---|