Changeset 2077 for branches/devmercator2010/NEMO/OPA_SRC/DTA/dtasal.F90
- Timestamp:
- 2010-09-09T10:43:51+02:00 (14 years ago)
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- 1 edited
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branches/devmercator2010/NEMO/OPA_SRC/DTA/dtasal.F90
r2075 r2077 13 13 USE oce ! ocean dynamics and tracers 14 14 USE dom_oce ! ocean space and time domain 15 USE fldread ! read input fields 15 16 USE in_out_manager ! I/O manager 16 17 USE phycst ! physical constants … … 27 28 !! * Shared module variables 28 29 LOGICAL , PUBLIC, PARAMETER :: lk_dtasal = .TRUE. !: salinity data flag 29 REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: 30 s_dta !: salinity data at given time-step 30 REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: s_dta !: salinity data at given time-step 31 31 32 32 !! * Module variables 33 INTEGER :: & 34 numsdt, & !: logical unit for data salinity 35 nsal1, nsal2 ! first and second record used 36 REAL(wp), DIMENSION(jpi,jpj,jpk,2) :: & 37 saldta ! salinity data at two consecutive times 33 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_sal ! structure of input SST (file informations, fields read) 38 34 39 35 !! * Substitutions … … 52 48 53 49 SUBROUTINE dta_sal( kt ) 54 !!---------------------------------------------------------------------- 55 !! *** ROUTINE dta_sal *** 56 !! 57 !! ** Purpose : Reads monthly salinity data 58 !! 59 !! ** Method : - Read on unit numsdt the monthly salinity data interpo- 60 !! lated onto the model grid. 61 !! - At each time step, a linear interpolation is applied 62 !! between two monthly values. 63 !! 64 !! History : 65 !! ! 91-03 () Original code 66 !! ! 92-07 (M. Imbard) 67 !! 9.0 ! 02-06 (G. Madec) F90: Free form and module 68 !!---------------------------------------------------------------------- 69 !! * Modules used 70 USE iom 71 72 !! * Arguments 73 INTEGER, INTENT(in) :: kt ! ocean time step 74 75 !! * Local declarations 76 77 INTEGER :: ji, jj, jk, jl, jkk ! dummy loop indicies 78 INTEGER :: & 79 imois, iman, i15, ik ! temporary integers 80 # if defined key_tradmp 81 INTEGER :: & 50 !!---------------------------------------------------------------------- 51 !! *** ROUTINE dta_sal *** 52 !! 53 !! ** Purpose : Reads monthly salinity data 54 !! 55 !! ** Method : - Read on unit numsdt the monthly salinity data interpo- 56 !! lated onto the model grid. 57 !! - At each time step, a linear interpolation is applied 58 !! between two monthly values. 59 !! 60 !! History : 61 !! ! 91-03 () Original code 62 !! ! 92-07 (M. Imbard) 63 !! 9.0 ! 02-06 (G. Madec) F90: Free form and module 64 !!---------------------------------------------------------------------- 65 66 !! * Arguments 67 INTEGER, INTENT(in) :: kt ! ocean time step 68 69 !! * Local declarations 70 71 INTEGER :: ji, jj, jk, jl, jkk ! dummy loop indicies 72 INTEGER :: & 73 imois, iman, i15, ik ! temporary integers 74 INTEGER :: ierror 75 #if defined key_tradmp 76 INTEGER :: & 82 77 il0, il1, ii0, ii1, ij0, ij1 ! temporary integers 83 # 84 REAL(wp) :: zxy, zl78 #endif 79 REAL(wp) :: zxy, zl 85 80 #if defined key_orca_lev10 86 REAL(wp), DIMENSION(jpi,jpj,jpkdta,2) :: zsal 87 INTEGER :: ikr, ikw, ikt, jjk 88 REAL(wp) :: zfac 89 #endif 90 REAL(wp), DIMENSION(jpk,2) :: & 81 INTEGER :: ikr, ikw, ikt, jjk 82 REAL(wp) :: zfac 83 #endif 84 REAL(wp), DIMENSION(jpk) :: & 91 85 zsaldta ! auxiliary array for interpolation 92 !!---------------------------------------------------------------------- 93 94 ! 0. Initialization 95 ! ----------------- 96 97 iman = INT( raamo ) 98 !!! better but change the results i15 = INT( 2*FLOAT( nday ) / ( FLOAT( nobis(nmonth) ) + 0.5 ) ) 99 i15 = nday / 16 100 imois = nmonth + i15 - 1 101 IF( imois == 0 ) imois = iman 102 103 ! 1. First call kt=nit000 104 ! ----------------------- 105 106 IF( kt == nit000 ) THEN 107 108 nsal1 = 0 ! initializations 109 IF(lwp) WRITE(numout,*) ' dta_sal : monthly salinity data in NetCDF file' 110 CALL iom_open ( 'data_1m_salinity_nomask', numsdt ) 111 112 ENDIF 113 114 115 ! 2. Read monthly file 116 ! ------------------- 117 118 IF( kt == nit000 .OR. imois /= nsal1 ) THEN 119 120 ! 2.1 Calendar computation 121 122 nsal1 = imois ! first file record used 123 nsal2 = nsal1 + 1 ! last file record used 124 nsal1 = MOD( nsal1, iman ) 125 IF( nsal1 == 0 ) nsal1 = iman 126 nsal2 = MOD( nsal2, iman ) 127 IF( nsal2 == 0 ) nsal2 = iman 128 IF(lwp) WRITE(numout,*) 'first record file used nsal1 ', nsal1 129 IF(lwp) WRITE(numout,*) 'last record file used nsal2 ', nsal2 130 131 ! 2.3 Read monthly salinity data Levitus 86 CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files 87 TYPE(FLD_N) :: sn_sal 88 LOGICAL , SAVE :: linit_sal = .FALSE. 89 !!---------------------------------------------------------------------- 90 NAMELIST/namdta_sal/cn_dir,sn_sal 91 92 ! 1. Initialization 93 ! ----------------------- 94 95 IF( kt == nit000 .AND. ( .NOT. linit_sal ) ) THEN 96 97 ! ! set file information 98 cn_dir = './' ! directory in which the model is executed 99 ! ... default values (NB: frequency positive => hours, negative => months) 100 ! ! file ! frequency ! variable ! time intep ! clim ! 'yearly' or ! weights ! rotation ! 101 ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! 102 sn_sal = FLD_N( 'salinity', -1. , 'vosaline', .false. , .true. , 'monthly' , '' , '' ) 103 104 REWIND ( numnam ) ! ... read in namlist namdta_sal 105 READ( numnam, namdta_sal ) 106 107 IF(lwp) THEN ! control print 108 WRITE(numout,*) 109 WRITE(numout,*) 'dta_sal : Salinity Climatology ' 110 WRITE(numout,*) '~~~~~~~ ' 111 ENDIF 112 ALLOCATE( sf_sal(1), STAT=ierror ) 113 IF( ierror > 0 ) THEN 114 CALL ctl_stop( 'dta_sal: unable to allocate sf_sal structure' ) ; RETURN 115 ENDIF 116 ALLOCATE( sf_sal(1)%fnow(jpi,jpj,jpk) ) 117 ALLOCATE( sf_sal(1)%fdta(jpi,jpj,jpk,2) ) 118 119 ! fill sf_sal with sn_sal and control print 120 CALL fld_fill( sf_sal, (/ sn_sal /), cn_dir, 'dta_sal', 'Salinity data', 'namdta_sal' ) 121 linit_sal = .TRUE. 122 ENDIF 123 124 125 ! 2. Read monthly file 126 ! ------------------- 127 128 CALL fld_read( kt, 1, sf_sal ) 129 130 IF( lwp .AND. kt==nn_it000 ) THEN 131 WRITE(numout,*) 132 WRITE(numout,*) ' read Levitus salinity ok' 133 WRITE(numout,*) 134 ENDIF 135 136 #if defined key_tradmp 137 IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN 138 139 ! ! ======================= 140 ! ! ORCA_R2 configuration 141 ! ! ======================= 142 ij0 = 101 ; ij1 = 109 143 ii0 = 141 ; ii1 = 155 144 DO jj = mj0(ij0), mj1(ij1) ! Reduced salinity in the Alboran Sea 145 DO ji = mi0(ii0), mi1(ii1) 146 sf_sal(1)%fnow(ji,jj,13:13) = sf_sal(1)%fnow(ji,jj,13:13) - 0.15 147 sf_sal(1)%fnow(ji,jj,14:15) = sf_sal(1)%fnow(ji,jj,14:15) - 0.25 148 sf_sal(1)%fnow(ji,jj,16:17) = sf_sal(1)%fnow(ji,jj,16:17) - 0.30 149 sf_sal(1)%fnow(ji,jj,18:25) = sf_sal(1)%fnow(ji,jj,18:25) - 0.35 150 END DO 151 END DO 152 153 IF( n_cla == 1 ) THEN 154 ! ! New salinity profile at Gibraltar 155 il0 = 138 ; il1 = 138 156 ij0 = 101 ; ij1 = 102 157 ii0 = 139 ; ii1 = 139 158 DO jl = mi0(il0), mi1(il1) 159 DO jj = mj0(ij0), mj1(ij1) 160 DO ji = mi0(ii0), mi1(ii1) 161 sf_sal(1)%fnow(ji,jj,:) = sf_sal(1)%fnow(jl,jj,:) 162 END DO 163 END DO 164 END DO 165 ! ! New salinity profile at Bab el Mandeb 166 il0 = 164 ; il1 = 164 167 ij0 = 87 ; ij1 = 88 168 ii0 = 161 ; ii1 = 163 169 DO jl = mi0(il0), mi1(il1) 170 DO jj = mj0(ij0), mj1(ij1) 171 DO ji = mi0(ii0), mi1(ii1) 172 sf_sal(1)%fnow(ji,jj,:) = sf_sal(1)%fnow(jl,jj,:) 173 END DO 174 END DO 175 END DO 176 ! 177 ENDIF 178 ! 179 ENDIF 180 #endif 132 181 133 182 #if defined key_orca_lev10 134 if (ln_zps) stop 135 zsal(:,:,:,:) = 0. 136 CALL iom_get (numsdt,jpdom_data,'vosaline',zsal(:,:,:,1),nsal1) 137 CALL iom_get (numsdt,jpdom_data,'vosaline',zsal(:,:,:,2),nsal2) 183 DO jjk = 1, 5 184 s_dta(:,:,jjk) = sf_sal(1)%fnow(:,:,1) 185 ENDDO 186 DO jk = 1, jpk-20,10 187 ikr = INT(jk/10) + 1 188 ikw = (ikr-1) *10 + 1 189 ikt = ikw + 5 190 DO jjk=ikt,ikt+9 191 zfac = ( gdept_0(jjk ) - gdepw_0(ikt) ) / ( gdepw_0(ikt+10) - gdepw_0(ikt) ) 192 s_dta(:,:,jjk) = sf_sal(1)%fnow(:,:,ikr) + ( sf_sal(1)%fnow(:,:,ikr+1) - sf_sal(1)%fnow(:,:,ikr) ) * zfac 193 END DO 194 END DO 195 DO jjk = jpk-5, jpk 196 s_dta(:,:,jjk) = sf_sal(1)%fnow(:,:,jpkdta-1) 197 END DO 198 ! fill the overlap areas 199 CALL lbc_lnk (s_dta(:,:,:),'Z',-999.,'no0') 138 200 #else 139 CALL iom_get (numsdt,jpdom_data,'vosaline',saldta(:,:,:,1),nsal1) 140 CALL iom_get (numsdt,jpdom_data,'vosaline',saldta(:,:,:,2),nsal2) 141 #endif 142 143 IF(lwp) THEN 144 WRITE(numout,*) 145 WRITE(numout,*) ' read Levitus salinity ok' 146 WRITE(numout,*) 147 ENDIF 148 149 #if defined key_tradmp 150 IF( cp_cfg == "orca" .AND. jp_cfg == 2 ) THEN 201 s_dta(:,:,:)=sf_sal(1)%fnow(:,:,:) 202 #endif 203 204 IF( ln_sco ) THEN 205 DO jj = 1, jpj ! interpolation of salinites 206 DO ji = 1, jpi 207 DO jk = 1, jpk 208 zl=fsdept_0(ji,jj,jk) 209 IF(zl < gdept_0(1) ) zsaldta(jk) = s_dta(ji,jj,1 ) 210 IF(zl > gdept_0(jpk)) zsaldta(jk) = s_dta(ji,jj,jpkm1) 211 DO jkk = 1, jpkm1 212 IF((zl-gdept_0(jkk))*(zl-gdept_0(jkk+1)).le.0.0) THEN 213 zsaldta(jk) = s_dta(ji,jj,jkk) & 214 & + (zl-gdept_0(jkk))/(gdept_0(jkk+1)-gdept_0(jkk)) & 215 & *(s_dta(ji,jj,jkk+1) - s_dta(ji,jj,jkk)) 216 ENDIF 217 END DO 218 END DO 219 DO jk = 1, jpkm1 220 s_dta(ji,jj,jk) = zsaldta(jk) 221 END DO 222 s_dta(ji,jj,jpk) = 0.0 223 END DO 224 END DO 151 225 152 ! ! ======================= 153 ! ! ORCA_R2 configuration 154 ! ! ======================= 155 ij0 = 101 ; ij1 = 109 156 ii0 = 141 ; ii1 = 155 157 DO jj = mj0(ij0), mj1(ij1) ! Reduced salinity in the Alboran Sea 158 DO ji = mi0(ii0), mi1(ii1) 159 #if defined key_orca_lev10 160 zsal (ji,jj,13:13,:) = zsal (ji,jj,13:13,:) - 0.15 161 zsal (ji,jj,14:15,:) = zsal (ji,jj,14:15,:) - 0.25 162 zsal (ji,jj,16:17,:) = zsal (ji,jj,16:17,:) - 0.30 163 zsal (ji,jj,18:25,:) = zsal (ji,jj,18:25,:) - 0.35 164 #else 165 saldta(ji,jj,13:13,:) = saldta(ji,jj,13:13,:) - 0.15 166 saldta(ji,jj,14:15,:) = saldta(ji,jj,14:15,:) - 0.25 167 saldta(ji,jj,16:17,:) = saldta(ji,jj,16:17,:) - 0.30 168 saldta(ji,jj,18:25,:) = saldta(ji,jj,18:25,:) - 0.35 169 #endif 170 END DO 171 END DO 172 173 IF( n_cla == 1 ) THEN 174 ! ! New salinity profile at Gibraltar 175 il0 = 138 ; il1 = 138 176 ij0 = 101 ; ij1 = 102 177 ii0 = 139 ; ii1 = 139 178 DO jl = mi0(il0), mi1(il1) 179 DO jj = mj0(ij0), mj1(ij1) 180 DO ji = mi0(ii0), mi1(ii1) 181 #if defined key_orca_lev10 182 zsal (ji,jj,:,:) = zsal (jl,jj,:,:) 183 #else 184 saldta(ji,jj,:,:) = saldta(jl,jj,:,:) 185 #endif 186 END DO 187 END DO 188 END DO 189 ! ! New salinity profile at Bab el Mandeb 190 il0 = 164 ; il1 = 164 191 ij0 = 87 ; ij1 = 88 192 ii0 = 161 ; ii1 = 163 193 DO jl = mi0(il0), mi1(il1) 194 DO jj = mj0(ij0), mj1(ij1) 195 DO ji = mi0(ii0), mi1(ii1) 196 #if defined key_orca_lev10 197 zsal (ji,jj,:,:) = zsal (jl,jj,:,:) 198 #else 199 saldta(ji,jj,:,:) = saldta(jl,jj,:,:) 200 #endif 201 END DO 202 END DO 203 END DO 204 ! 205 ENDIF 206 ! 207 ENDIF 208 #endif 209 210 #if defined key_orca_lev10 211 ! interpolate from 31 to 301 level the zsal field result in saldta 212 DO jl = 1, 2 213 DO jjk = 1, 5 214 saldta(:,:,jjk,jl) = zsal(:,:,1,jl) 215 ENDDO 216 DO jk = 1, jpk - 20, 10 217 ikr = INT( jk / 10 ) + 1 218 ikw = (ikr-1) * 10 + 1 219 ikt = ikw + 5 220 DO jjk = ikt , ikt + 9 221 zfac = ( gdept_0(jjk) - gdepw_0(ikt) ) / ( gdepw_0(ikt+10) - gdepw_0(ikt) ) 222 saldta(:,:,jjk,jl) = zsal(:,:,ikr,jl) + ( zsal(:,:,ikr+1,jl) - zsal(:,:,ikr,jl) ) * zfac 223 END DO 224 END DO 225 DO jjk = jpk-5, jpk 226 saldta(:,:,jjk,jl) = zsal(:,:,jpkdta-1,jl) 227 END DO 228 ! fill the overlap areas 229 CALL lbc_lnk (saldta(:,:,:,jl),'Z',-999.,'no0') 230 END DO 231 232 #endif 233 234 IF( ln_sco ) THEN 235 DO jl = 1, 2 236 DO jj = 1, jpj ! interpolation of salinites 237 DO ji = 1, jpi 238 DO jk = 1, jpk 239 zl=fsdept_0(ji,jj,jk) 240 IF(zl < gdept_0(1)) zsaldta(jk,jl) = saldta(ji,jj,1,jl) 241 IF(zl > gdept_0(jpk)) zsaldta(jk,jl) = saldta(ji,jj,jpkm1,jl) 242 DO jkk = 1, jpkm1 243 IF((zl-gdept_0(jkk))*(zl-gdept_0(jkk+1)).le.0.0) THEN 244 zsaldta(jk,jl) = saldta(ji,jj,jkk,jl) & 245 & + (zl-gdept_0(jkk))/(gdept_0(jkk+1)-gdept_0(jkk)) & 246 & *(saldta(ji,jj,jkk+1,jl) - saldta(ji,jj,jkk,jl)) 247 ENDIF 248 END DO 249 END DO 250 DO jk = 1, jpkm1 251 saldta(ji,jj,jk,jl) = zsaldta(jk,jl) 252 END DO 253 saldta(ji,jj,jpk,jl) = 0.0 254 END DO 255 END DO 256 END DO 257 258 IF(lwp) WRITE(numout,*) 259 IF(lwp) WRITE(numout,*) ' Levitus salinity data interpolated to s-coordinate' 260 IF(lwp) WRITE(numout,*) 261 262 ELSE 263 ! ! Mask 264 DO jl = 1, 2 265 saldta(:,:,:,jl) = saldta(:,:,:,jl)*tmask(:,:,:) 266 saldta(:,:,jpk,jl) = 0. 267 IF( ln_zps ) THEN ! z-coord. partial steps 268 DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) 269 DO ji = 1, jpi 270 ik = mbathy(ji,jj) - 1 271 IF( ik > 2 ) THEN 272 zl = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) 273 saldta(ji,jj,ik,jl) = (1.-zl) * saldta(ji,jj,ik,jl) +zl * saldta(ji,jj,ik-1,jl) 274 ENDIF 275 END DO 276 END DO 277 ENDIF 278 END DO 279 ENDIF 280 281 282 IF(lwp) THEN 283 WRITE(numout,*)' salinity Levitus month ',nsal1,nsal2 284 WRITE(numout,*) 285 WRITE(numout,*) ' Levitus month = ',nsal1,' level = 1' 286 CALL prihre(saldta(:,:,1,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) 287 WRITE(numout,*) ' Levitus month = ',nsal1,' level = ',jpk/2 288 CALL prihre(saldta(:,:,jpk/2,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) 289 WRITE(numout,*) ' Levitus month = ',nsal1,' level = ',jpkm1 290 CALL prihre(saldta(:,:,jpkm1,1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) 291 ENDIF 292 ENDIF 293 294 295 ! 3. At every time step compute salinity data 296 ! ------------------------------------------- 297 298 zxy = FLOAT(nday + 15 - 30*i15)/30. 299 s_dta(:,:,:) = ( 1.- zxy ) * saldta(:,:,:,1) + zxy * saldta(:,:,:,2) 300 301 ! Close the file 302 ! -------------- 303 304 IF( kt == nitend ) CALL iom_close (numsdt) 226 IF( lwp .AND. kt==nn_it000 ) THEN 227 WRITE(numout,*) 228 WRITE(numout,*) ' Levitus salinity data interpolated to s-coordinate' 229 WRITE(numout,*) 230 ENDIF 231 232 ELSE 233 ! ! Mask 234 s_dta(:,:,:) = s_dta(:,:,:) * tmask(:,:,:) 235 s_dta(:,:,jpk) = 0. 236 IF( ln_zps ) THEN ! z-coord. partial steps 237 DO jj = 1, jpj ! interpolation of salinity at the last ocean level (i.e. the partial step) 238 DO ji = 1, jpi 239 ik = mbathy(ji,jj) - 1 240 IF( ik > 2 ) THEN 241 zl = ( gdept_0(ik) - fsdept_0(ji,jj,ik) ) / ( gdept_0(ik) - gdept_0(ik-1) ) 242 s_dta(ji,jj,ik) = (1.-zl) * s_dta(ji,jj,ik) + zl * s_dta(ji,jj,ik-1) 243 ENDIF 244 END DO 245 END DO 246 ENDIF 247 ENDIF 248 249 IF( lwp .AND. kt==nn_it000 ) THEN 250 WRITE(numout,*)' salinity Levitus ' 251 WRITE(numout,*) 252 WRITE(numout,*)' level = 1' 253 CALL prihre(s_dta(:,:,1), jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) 254 WRITE(numout,*)' level = ',jpk/2 255 CALL prihre(s_dta(:,:,jpk/2),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) 256 WRITE(numout,*) ' level = ',jpkm1 257 CALL prihre(s_dta(:,:,jpkm1),jpi,jpj,1,jpi,20,1,jpj,20,1.,numout) 258 ENDIF 305 259 306 260 END SUBROUTINE dta_sal
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