Changeset 11090 for NEMO/releases/release-4.0/src/OCE/DIA/diahth.F90
- Timestamp:
- 2019-06-11T14:58:31+02:00 (4 years ago)
- File:
-
- 1 edited
-
NEMO/releases/release-4.0/src/OCE/DIA/diahth.F90 (modified) (2 diffs)
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NEMO/releases/release-4.0/src/OCE/DIA/diahth.F90
r10425 r11090 30 30 31 31 PUBLIC dia_hth ! routine called by step.F90 32 PUBLIC dia_hth_alloc ! routine called by nemogcm.F9033 32 34 33 LOGICAL , PUBLIC, PARAMETER :: lk_diahth = .TRUE. !: thermocline-20d depths flag 35 34 36 ! note: following variables should move to local variables once iom_put is always used37 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hth !: depth of the max vertical temperature gradient [m]38 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hd20 !: depth of 20 C isotherm [m]39 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hd28 !: depth of 28 C isotherm [m]40 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: htc3 !: heat content of first 300 m [W]41 42 35 !!---------------------------------------------------------------------- 43 36 !! NEMO/OCE 4.0 , NEMO Consortium (2018) … … 47 40 CONTAINS 48 41 49 FUNCTION dia_hth_alloc()50 !!---------------------------------------------------------------------51 INTEGER :: dia_hth_alloc52 !!---------------------------------------------------------------------53 !54 ALLOCATE( hth(jpi,jpj), hd20(jpi,jpj), hd28(jpi,jpj), htc3(jpi,jpj), STAT=dia_hth_alloc )55 !56 CALL mpp_sum ( 'diahth', dia_hth_alloc )57 IF(dia_hth_alloc /= 0) CALL ctl_stop( 'STOP', 'dia_hth_alloc: failed to allocate arrays.' )58 !59 END FUNCTION dia_hth_alloc60 61 42 62 43 SUBROUTINE dia_hth( kt ) 63 !!--------------------------------------------------------------------- 64 !! *** ROUTINE dia_hth *** 65 !! 66 !! ** Purpose : Computes 67 !! the mixing layer depth (turbocline): avt = 5.e-4 68 !! the depth of strongest vertical temperature gradient 69 !! the mixed layer depth with density criteria: rho = rho(10m or surf) + 0.03(or 0.01) 70 !! the mixed layer depth with temperature criteria: abs( tn - tn(10m) ) = 0.2 71 !! the top of the thermochine: tn = tn(10m) - ztem2 72 !! the pycnocline depth with density criteria equivalent to a temperature variation 73 !! rho = rho10m + (dr/dT)(T,S,10m)*(-0.2 degC) 74 !! the barrier layer thickness 75 !! the maximal verical inversion of temperature and its depth max( 0, max of tn - tn(10m) ) 76 !! the depth of the 20 degree isotherm (linear interpolation) 77 !! the depth of the 28 degree isotherm (linear interpolation) 78 !! the heat content of first 300 m 79 !! 80 !! ** Method : 81 !!------------------------------------------------------------------- 82 INTEGER, INTENT( in ) :: kt ! ocean time-step index 83 !! 84 INTEGER :: ji, jj, jk ! dummy loop arguments 85 INTEGER :: iid, ilevel ! temporary integers 86 INTEGER, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ik20, ik28 ! levels 87 REAL(wp) :: zavt5 = 5.e-4_wp ! Kz criterion for the turbocline depth 88 REAL(wp) :: zrho3 = 0.03_wp ! density criterion for mixed layer depth 89 REAL(wp) :: zrho1 = 0.01_wp ! density criterion for mixed layer depth 90 REAL(wp) :: ztem2 = 0.2_wp ! temperature criterion for mixed layer depth 91 REAL(wp) :: zthick_0, zcoef ! temporary scalars 92 REAL(wp) :: zztmp, zzdep ! temporary scalars inside do loop 93 REAL(wp) :: zu, zv, zw, zut, zvt ! temporary workspace 94 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zabs2 ! MLD: abs( tn - tn(10m) ) = ztem2 95 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ztm2 ! Top of thermocline: tn = tn(10m) - ztem2 96 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zrho10_3 ! MLD: rho = rho10m + zrho3 97 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zpycn ! pycnocline: rho = rho10m + (dr/dT)(T,S,10m)*(-0.2 degC) 98 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ztinv ! max of temperature inversion 99 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zdepinv ! depth of temperature inversion 100 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zrho0_3 ! MLD rho = rho(surf) = 0.03 101 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zrho0_1 ! MLD rho = rho(surf) = 0.01 102 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zmaxdzT ! max of dT/dz 103 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zthick ! vertical integration thickness 104 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zdelr ! delta rho equivalent to deltaT = 0.2 105 !!---------------------------------------------------------------------- 106 IF( ln_timing ) CALL timing_start('dia_hth') 107 108 IF( kt == nit000 ) THEN 109 ! ! allocate dia_hth array 110 IF( dia_hth_alloc() /= 0 ) CALL ctl_stop( 'STOP', 'dia_hth : unable to allocate standard arrays' ) 111 112 IF(.NOT. ALLOCATED(ik20) ) THEN 113 ALLOCATE(ik20(jpi,jpj), ik28(jpi,jpj), & 114 & zabs2(jpi,jpj), & 115 & ztm2(jpi,jpj), & 116 & zrho10_3(jpi,jpj),& 117 & zpycn(jpi,jpj), & 118 & ztinv(jpi,jpj), & 119 & zdepinv(jpi,jpj), & 120 & zrho0_3(jpi,jpj), & 121 & zrho0_1(jpi,jpj), & 122 & zmaxdzT(jpi,jpj), & 123 & zthick(jpi,jpj), & 124 & zdelr(jpi,jpj), STAT=ji) 125 CALL mpp_sum('diahth', ji) 126 IF( ji /= 0 ) CALL ctl_stop( 'STOP', 'dia_hth : unable to allocate standard ocean arrays' ) 127 END IF 128 129 IF(lwp) WRITE(numout,*) 130 IF(lwp) WRITE(numout,*) 'dia_hth : diagnostics of the thermocline depth' 131 IF(lwp) WRITE(numout,*) '~~~~~~~ ' 132 IF(lwp) WRITE(numout,*) 133 ENDIF 134 135 ! initialization 136 ztinv (:,:) = 0._wp 137 zdepinv(:,:) = 0._wp 138 zmaxdzT(:,:) = 0._wp 139 DO jj = 1, jpj 140 DO ji = 1, jpi 141 zztmp = gdepw_n(ji,jj,mbkt(ji,jj)+1) 142 hth (ji,jj) = zztmp 143 zabs2 (ji,jj) = zztmp 144 ztm2 (ji,jj) = zztmp 145 zrho10_3(ji,jj) = zztmp 146 zpycn (ji,jj) = zztmp 147 END DO 148 END DO 149 IF( nla10 > 1 ) THEN 150 DO jj = 1, jpj 151 DO ji = 1, jpi 152 zztmp = gdepw_n(ji,jj,mbkt(ji,jj)+1) 153 zrho0_3(ji,jj) = zztmp 154 zrho0_1(ji,jj) = zztmp 155 END DO 156 END DO 157 ENDIF 158 159 ! Preliminary computation 160 ! computation of zdelr = (dr/dT)(T,S,10m)*(-0.2 degC) 161 DO jj = 1, jpj 162 DO ji = 1, jpi 163 IF( tmask(ji,jj,nla10) == 1. ) THEN 164 zu = 1779.50 + 11.250 * tsn(ji,jj,nla10,jp_tem) - 3.80 * tsn(ji,jj,nla10,jp_sal) & 165 & - 0.0745 * tsn(ji,jj,nla10,jp_tem) * tsn(ji,jj,nla10,jp_tem) & 166 & - 0.0100 * tsn(ji,jj,nla10,jp_tem) * tsn(ji,jj,nla10,jp_sal) 167 zv = 5891.00 + 38.000 * tsn(ji,jj,nla10,jp_tem) + 3.00 * tsn(ji,jj,nla10,jp_sal) & 168 & - 0.3750 * tsn(ji,jj,nla10,jp_tem) * tsn(ji,jj,nla10,jp_tem) 169 zut = 11.25 - 0.149 * tsn(ji,jj,nla10,jp_tem) - 0.01 * tsn(ji,jj,nla10,jp_sal) 170 zvt = 38.00 - 0.750 * tsn(ji,jj,nla10,jp_tem) 171 zw = (zu + 0.698*zv) * (zu + 0.698*zv) 172 zdelr(ji,jj) = ztem2 * (1000.*(zut*zv - zvt*zu)/zw) 173 ELSE 174 zdelr(ji,jj) = 0._wp 175 ENDIF 176 END DO 177 END DO 178 179 ! ------------------------------------------------------------- ! 180 ! thermocline depth: strongest vertical gradient of temperature ! 181 ! turbocline depth (mixing layer depth): avt = zavt5 ! 182 ! MLD: rho = rho(1) + zrho3 ! 183 ! MLD: rho = rho(1) + zrho1 ! 184 ! ------------------------------------------------------------- ! 185 DO jk = jpkm1, 2, -1 ! loop from bottom to 2 186 DO jj = 1, jpj 187 DO ji = 1, jpi 188 ! 189 zzdep = gdepw_n(ji,jj,jk) 190 zztmp = ( tsn(ji,jj,jk-1,jp_tem) - tsn(ji,jj,jk,jp_tem) ) / zzdep * tmask(ji,jj,jk) ! vertical gradient of temperature (dT/dz) 191 zzdep = zzdep * tmask(ji,jj,1) 192 193 IF( zztmp > zmaxdzT(ji,jj) ) THEN 194 zmaxdzT(ji,jj) = zztmp ; hth (ji,jj) = zzdep ! max and depth of dT/dz 195 ENDIF 196 197 IF( nla10 > 1 ) THEN 198 zztmp = rhop(ji,jj,jk) - rhop(ji,jj,1) ! delta rho(1) 199 IF( zztmp > zrho3 ) zrho0_3(ji,jj) = zzdep ! > 0.03 200 IF( zztmp > zrho1 ) zrho0_1(ji,jj) = zzdep ! > 0.01 201 ENDIF 202 203 END DO 204 END DO 205 END DO 206 207 CALL iom_put( "mlddzt", hth ) ! depth of the thermocline 208 IF( nla10 > 1 ) THEN 209 CALL iom_put( "mldr0_3", zrho0_3 ) ! MLD delta rho(surf) = 0.03 210 CALL iom_put( "mldr0_1", zrho0_1 ) ! MLD delta rho(surf) = 0.01 211 ENDIF 212 213 ! ------------------------------------------------------------- ! 214 ! MLD: abs( tn - tn(10m) ) = ztem2 ! 215 ! Top of thermocline: tn = tn(10m) - ztem2 ! 216 ! MLD: rho = rho10m + zrho3 ! 217 ! pycnocline: rho = rho10m + (dr/dT)(T,S,10m)*(-0.2 degC) ! 218 ! temperature inversion: max( 0, max of tn - tn(10m) ) ! 219 ! depth of temperature inversion ! 220 ! ------------------------------------------------------------- ! 221 DO jk = jpkm1, nlb10, -1 ! loop from bottom to nlb10 222 DO jj = 1, jpj 223 DO ji = 1, jpi 224 ! 225 zzdep = gdepw_n(ji,jj,jk) * tmask(ji,jj,1) 226 ! 227 zztmp = tsn(ji,jj,nla10,jp_tem) - tsn(ji,jj,jk,jp_tem) ! - delta T(10m) 228 IF( ABS(zztmp) > ztem2 ) zabs2 (ji,jj) = zzdep ! abs > 0.2 229 IF( zztmp > ztem2 ) ztm2 (ji,jj) = zzdep ! > 0.2 230 zztmp = -zztmp ! delta T(10m) 231 IF( zztmp > ztinv(ji,jj) ) THEN ! temperature inversion 232 ztinv(ji,jj) = zztmp ; zdepinv (ji,jj) = zzdep ! max value and depth 233 ENDIF 234 235 zztmp = rhop(ji,jj,jk) - rhop(ji,jj,nla10) ! delta rho(10m) 236 IF( zztmp > zrho3 ) zrho10_3(ji,jj) = zzdep ! > 0.03 237 IF( zztmp > zdelr(ji,jj) ) zpycn (ji,jj) = zzdep ! > equi. delta T(10m) - 0.2 238 ! 239 END DO 240 END DO 241 END DO 242 243 CALL iom_put( "mld_dt02", zabs2 ) ! MLD abs(delta t) - 0.2 244 CALL iom_put( "topthdep", ztm2 ) ! T(10) - 0.2 245 CALL iom_put( "mldr10_3", zrho10_3 ) ! MLD delta rho(10m) = 0.03 246 CALL iom_put( "pycndep" , zpycn ) ! MLD delta rho equi. delta T(10m) = 0.2 247 CALL iom_put( "tinv" , ztinv ) ! max. temp. inv. (t10 ref) 248 CALL iom_put( "depti" , zdepinv ) ! depth of max. temp. inv. (t10 ref) 249 250 251 ! ----------------------------------- ! 252 ! search deepest level above 20C/28C ! 253 ! ----------------------------------- ! 254 ik20(:,:) = 1 255 ik28(:,:) = 1 256 DO jk = 1, jpkm1 ! beware temperature is not always decreasing with depth => loop from top to bottom 257 DO jj = 1, jpj 258 DO ji = 1, jpi 259 zztmp = tsn(ji,jj,jk,jp_tem) 260 IF( zztmp >= 20. ) ik20(ji,jj) = jk 261 IF( zztmp >= 28. ) ik28(ji,jj) = jk 262 END DO 263 END DO 264 END DO 265 266 ! --------------------------- ! 267 ! Depth of 20C/28C isotherm ! 268 ! --------------------------- ! 269 DO jj = 1, jpj 270 DO ji = 1, jpi 271 ! 272 zzdep = gdepw_n(ji,jj,mbkt(ji,jj)+1) ! depth of the oean bottom 273 ! 274 iid = ik20(ji,jj) 275 IF( iid /= 1 ) THEN 276 zztmp = gdept_n(ji,jj,iid ) & ! linear interpolation 277 & + ( gdept_n(ji,jj,iid+1) - gdept_n(ji,jj,iid) ) & 278 & * ( 20.*tmask(ji,jj,iid+1) - tsn(ji,jj,iid,jp_tem) ) & 279 & / ( tsn(ji,jj,iid+1,jp_tem) - tsn(ji,jj,iid,jp_tem) + (1.-tmask(ji,jj,1)) ) 280 hd20(ji,jj) = MIN( zztmp , zzdep) * tmask(ji,jj,1) ! bound by the ocean depth 281 ELSE 282 hd20(ji,jj) = 0._wp 283 ENDIF 284 ! 285 iid = ik28(ji,jj) 286 IF( iid /= 1 ) THEN 287 zztmp = gdept_n(ji,jj,iid ) & ! linear interpolation 288 & + ( gdept_n(ji,jj,iid+1) - gdept_n(ji,jj,iid) ) & 289 & * ( 28.*tmask(ji,jj,iid+1) - tsn(ji,jj,iid,jp_tem) ) & 290 & / ( tsn(ji,jj,iid+1,jp_tem) - tsn(ji,jj,iid,jp_tem) + (1.-tmask(ji,jj,1)) ) 291 hd28(ji,jj) = MIN( zztmp , zzdep ) * tmask(ji,jj,1) ! bound by the ocean depth 292 ELSE 293 hd28(ji,jj) = 0._wp 294 ENDIF 295 296 END DO 297 END DO 298 CALL iom_put( "20d", hd20 ) ! depth of the 20 isotherm 299 CALL iom_put( "28d", hd28 ) ! depth of the 28 isotherm 300 301 ! ----------------------------- ! 302 ! Heat content of first 300 m ! 303 ! ----------------------------- ! 304 305 ! find ilevel with (ilevel+1) the deepest W-level above 300m (we assume we can use e3t_1d to do this search...) 306 ilevel = 0 307 zthick_0 = 0._wp 308 DO jk = 1, jpkm1 309 zthick_0 = zthick_0 + e3t_1d(jk) 310 IF( zthick_0 < 300. ) ilevel = jk 311 END DO 312 ! surface boundary condition 313 IF( ln_linssh ) THEN ; zthick(:,:) = sshn(:,:) ; htc3(:,:) = tsn(:,:,1,jp_tem) * sshn(:,:) * tmask(:,:,1) 314 ELSE ; zthick(:,:) = 0._wp ; htc3(:,:) = 0._wp 315 ENDIF 316 ! integration down to ilevel 317 DO jk = 1, ilevel 318 zthick(:,:) = zthick(:,:) + e3t_n(:,:,jk) 319 htc3 (:,:) = htc3 (:,:) + e3t_n(:,:,jk) * tsn(:,:,jk,jp_tem) * tmask(:,:,jk) 320 END DO 321 ! deepest layer 322 zthick(:,:) = 300. - zthick(:,:) ! remaining thickness to reach 300m 323 DO jj = 1, jpj 324 DO ji = 1, jpi 325 htc3(ji,jj) = htc3(ji,jj) + tsn(ji,jj,ilevel+1,jp_tem) & 326 & * MIN( e3t_n(ji,jj,ilevel+1), zthick(ji,jj) ) * tmask(ji,jj,ilevel+1) 327 END DO 328 END DO 329 ! from temperature to heat contain 330 zcoef = rau0 * rcp 331 htc3(:,:) = zcoef * htc3(:,:) 332 CALL iom_put( "hc300", htc3 ) ! first 300m heat content 333 ! 44 !!--------------------------------------------------------------------- 45 !! *** ROUTINE dia_hth *** 46 !! 47 !! ** Purpose : Computes 48 !! the mixing layer depth (turbocline): avt = 5.e-4 49 !! the depth of strongest vertical temperature gradient 50 !! the mixed layer depth with density criteria: rho = rho(10m or surf) + 0.03(or 0.01) 51 !! the mixed layer depth with temperature criteria: abs( tn - tn(10m) ) = 0.2 52 !! the top of the thermochine: tn = tn(10m) - ztem2 53 !! the pycnocline depth with density criteria equivalent to a temperature variation 54 !! rho = rho10m + (dr/dT)(T,S,10m)*(-0.2 degC) 55 !! the barrier layer thickness 56 !! the maximal verical inversion of temperature and its depth max( 0, max of tn - tn(10m) ) 57 !! the depth of the 20 degree isotherm (linear interpolation) 58 !! the depth of the 28 degree isotherm (linear interpolation) 59 !! the heat content of first 300 m 60 !! 61 !! ** Method : 62 !!------------------------------------------------------------------- 63 INTEGER, INTENT( in ) :: kt ! ocean time-step index 64 !! 65 INTEGER :: ji, jj, jk ! dummy loop arguments 66 INTEGER :: iid, ilevel ! temporary integers 67 INTEGER, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ik20, ik28 ! levels 68 REAL(wp) :: zavt5 = 5.e-4_wp ! Kz criterion for the turbocline depth 69 REAL(wp) :: zrho3 = 0.03_wp ! density criterion for mixed layer depth 70 REAL(wp) :: zrho1 = 0.01_wp ! density criterion for mixed layer depth 71 REAL(wp) :: ztem2 = 0.2_wp ! temperature criterion for mixed layer depth 72 REAL(wp) :: zthick_0, zcoef ! temporary scalars 73 REAL(wp) :: zztmp, zzdep ! temporary scalars inside do loop 74 REAL(wp) :: zu, zv, zw, zut, zvt ! temporary workspace 75 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zabs2 ! MLD: abs( tn - tn(10m) ) = ztem2 76 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ztm2 ! Top of thermocline: tn = tn(10m) - ztem2 77 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zrho10_3 ! MLD: rho = rho10m + zrho3 78 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zpycn ! pycnocline: rho = rho10m + (dr/dT)(T,S,10m)*(-0.2 degC) 79 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: ztinv ! max of temperature inversion 80 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zdepinv ! depth of temperature inversion 81 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zrho0_3 ! MLD rho = rho(surf) = 0.03 82 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zrho0_1 ! MLD rho = rho(surf) = 0.01 83 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zmaxdzT ! max of dT/dz 84 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zthick ! vertical integration thickness 85 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zdelr ! delta rho equivalent to deltaT = 0.2 86 ! note: following variables should move to local variables once iom_put is always used 87 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zhth !: depth of the max vertical temperature gradient [m] 88 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zhd20 !: depth of 20 C isotherm [m] 89 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zhd28 !: depth of 28 C isotherm [m] 90 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zhtc3 !: heat content of first 300 m [W] 91 92 !!---------------------------------------------------------------------- 93 IF( ln_timing ) CALL timing_start('dia_hth') 94 95 IF( kt == nit000 ) THEN 96 ! ! allocate dia_hth array 97 IF(.NOT. ALLOCATED(ik20) ) THEN 98 ALLOCATE(ik20(jpi,jpj), ik28(jpi,jpj), & 99 & zhth(jpi,jpj), & 100 & zhd20(jpi,jpj), & 101 & zhd28(jpi,jpj), & 102 & zhtc3(jpi,jpj), & 103 & zabs2(jpi,jpj), & 104 & ztm2(jpi,jpj), & 105 & zrho10_3(jpi,jpj),& 106 & zpycn(jpi,jpj), & 107 & ztinv(jpi,jpj), & 108 & zdepinv(jpi,jpj), & 109 & zrho0_3(jpi,jpj), & 110 & zrho0_1(jpi,jpj), & 111 & zmaxdzT(jpi,jpj), & 112 & zthick(jpi,jpj), & 113 & zdelr(jpi,jpj), STAT=ji) 114 IF( lk_mpp ) CALL mpp_sum(ji) 115 IF( ji /= 0 ) CALL ctl_stop( 'STOP', 'dia_hth : unable to allocate standard ocean arrays' ) 116 END IF 117 118 IF(lwp) WRITE(numout,*) 119 IF(lwp) WRITE(numout,*) 'dia_hth : diagnostics of the thermocline depth' 120 IF(lwp) WRITE(numout,*) '~~~~~~~ ' 121 IF(lwp) WRITE(numout,*) 122 ENDIF 123 124 IF(iom_use("mlddzt").OR.iom_use("mldr0_3").OR.iom_use("mldr0_1").OR.iom_use("mld_dt02") & 125 & .OR.iom_use("topthdep").OR.iom_use("mldr10_3").OR.iom_use("pycndep").OR.iom_use("tinv").OR.iom_use("depti")) THEN 126 ! initialization 127 ztinv (:,:) = 0._wp 128 zdepinv(:,:) = 0._wp 129 zmaxdzT(:,:) = 0._wp 130 DO jj = 1, jpj 131 DO ji = 1, jpi 132 zztmp = gdepw_n(ji,jj,mbkt(ji,jj)+1) 133 zhth (ji,jj) = zztmp 134 zabs2 (ji,jj) = zztmp 135 ztm2 (ji,jj) = zztmp 136 zrho10_3(ji,jj) = zztmp 137 zpycn (ji,jj) = zztmp 138 END DO 139 END DO 140 IF( nla10 > 1 ) THEN 141 DO jj = 1, jpj 142 DO ji = 1, jpi 143 zztmp = gdepw_n(ji,jj,mbkt(ji,jj)+1) 144 zrho0_3(ji,jj) = zztmp 145 zrho0_1(ji,jj) = zztmp 146 END DO 147 END DO 148 ENDIF 149 ENDIF 150 151 IF (iom_use("mlddzt").OR.iom_use("mldr0_3").OR.iom_use("mldr0_1")) THEN 152 ! ------------------------------------------------------------- ! 153 ! thermocline depth: strongest vertical gradient of temperature ! 154 ! turbocline depth (mixing layer depth): avt = zavt5 ! 155 ! MLD: rho = rho(1) + zrho3 ! 156 ! MLD: rho = rho(1) + zrho1 ! 157 ! ------------------------------------------------------------- ! 158 DO jk = jpkm1, 2, -1 ! loop from bottom to 2 159 DO jj = 1, jpj 160 DO ji = 1, jpi 161 ! 162 zzdep = gdepw_n(ji,jj,jk) 163 zztmp = ( tsn(ji,jj,jk-1,jp_tem) - tsn(ji,jj,jk,jp_tem) ) / zzdep * tmask(ji,jj,jk) ! vertical gradient of temperature (dT/dz) 164 zzdep = zzdep * tmask(ji,jj,1) 165 166 IF( zztmp > zmaxdzT(ji,jj) ) THEN 167 zmaxdzT(ji,jj) = zztmp ; zhth (ji,jj) = zzdep ! max and depth of dT/dz 168 ENDIF 169 170 IF( nla10 > 1 ) THEN 171 zztmp = rhop(ji,jj,jk) - rhop(ji,jj,1) ! delta rho(1) 172 IF( zztmp > zrho3 ) zrho0_3(ji,jj) = zzdep ! > 0.03 173 IF( zztmp > zrho1 ) zrho0_1(ji,jj) = zzdep ! > 0.01 174 ENDIF 175 176 END DO 177 END DO 178 END DO 179 180 IF (iom_use("mlddzt")) CALL iom_put( "mlddzt", zhth*tmask(:,:,1) ) ! depth of the thermocline 181 IF( nla10 > 1 ) THEN 182 IF (iom_use("mldr0_3")) CALL iom_put( "mldr0_3", zrho0_3*tmask(:,:,1) ) ! MLD delta rho(surf) = 0.03 183 IF (iom_use("mldr0_1")) CALL iom_put( "mldr0_1", zrho0_1*tmask(:,:,1) ) ! MLD delta rho(surf) = 0.01 184 ENDIF 185 ENDIF 186 187 IF (iom_use("mld_dt02").OR.iom_use("topthdep").OR.iom_use("mldr10_3").OR. & 188 & iom_use("pycndep").OR.iom_use("tinv").OR.iom_use("depti")) THEN 189 IF (iom_use("pycndep")) THEN 190 ! Preliminary computation 191 ! computation of zdelr = (dr/dT)(T,S,10m)*(-0.2 degC) 192 DO jj = 1, jpj 193 DO ji = 1, jpi 194 IF( tmask(ji,jj,nla10) == 1. ) THEN 195 zu = 1779.50 + 11.250 * tsn(ji,jj,nla10,jp_tem) - 3.80 * tsn(ji,jj,nla10,jp_sal) & 196 & - 0.0745 * tsn(ji,jj,nla10,jp_tem) * tsn(ji,jj,nla10,jp_tem) & 197 & - 0.0100 * tsn(ji,jj,nla10,jp_tem) * tsn(ji,jj,nla10,jp_sal) 198 zv = 5891.00 + 38.000 * tsn(ji,jj,nla10,jp_tem) + 3.00 * tsn(ji,jj,nla10,jp_sal) & 199 & - 0.3750 * tsn(ji,jj,nla10,jp_tem) * tsn(ji,jj,nla10,jp_tem) 200 zut = 11.25 - 0.149 * tsn(ji,jj,nla10,jp_tem) - 0.01 * tsn(ji,jj,nla10,jp_sal) 201 zvt = 38.00 - 0.750 * tsn(ji,jj,nla10,jp_tem) 202 zw = (zu + 0.698*zv) * (zu + 0.698*zv) 203 zdelr(ji,jj) = ztem2 * (1000.*(zut*zv - zvt*zu)/zw) 204 ELSE 205 zdelr(ji,jj) = 0._wp 206 ENDIF 207 END DO 208 END DO 209 ENDIF 210 211 ! ------------------------------------------------------------- ! 212 ! MLD: abs( tn - tn(10m) ) = ztem2 ! 213 ! Top of thermocline: tn = tn(10m) - ztem2 ! 214 ! MLD: rho = rho10m + zrho3 ! 215 ! pycnocline: rho = rho10m + (dr/dT)(T,S,10m)*(-0.2 degC) ! 216 ! temperature inversion: max( 0, max of tn - tn(10m) ) ! 217 ! depth of temperature inversion ! 218 ! ------------------------------------------------------------- ! 219 DO jk = jpkm1, nlb10, -1 ! loop from bottom to nlb10 220 DO jj = 1, jpj 221 DO ji = 1, jpi 222 ! 223 zzdep = gdepw_n(ji,jj,jk) * tmask(ji,jj,1) 224 ! 225 zztmp = tsn(ji,jj,nla10,jp_tem) - tsn(ji,jj,jk,jp_tem) ! - delta T(10m) 226 IF( ABS(zztmp) > ztem2 ) zabs2 (ji,jj) = zzdep ! abs > 0.2 227 IF( zztmp > ztem2 ) ztm2 (ji,jj) = zzdep ! > 0.2 228 zztmp = -zztmp ! delta T(10m) 229 IF( zztmp > ztinv(ji,jj) ) THEN ! temperature inversion 230 ztinv(ji,jj) = zztmp ; zdepinv (ji,jj) = zzdep ! max value and depth 231 ENDIF 232 233 zztmp = rhop(ji,jj,jk) - rhop(ji,jj,nla10) ! delta rho(10m) 234 IF( zztmp > zrho3 ) zrho10_3(ji,jj) = zzdep ! > 0.03 235 IF( zztmp > zdelr(ji,jj) ) zpycn (ji,jj) = zzdep ! > equi. delta T(10m) - 0.2 236 ! 237 END DO 238 END DO 239 END DO 240 241 IF (iom_use("mld_dt02")) CALL iom_put( "mld_dt02", zabs2*tmask(:,:,1) ) ! MLD abs(delta t) - 0.2 242 IF (iom_use("topthdep")) CALL iom_put( "topthdep", ztm2*tmask(:,:,1) ) ! T(10) - 0.2 243 IF (iom_use("mldr10_3")) CALL iom_put( "mldr10_3", zrho10_3*tmask(:,:,1) ) ! MLD delta rho(10m) = 0.03 244 IF (iom_use("pycndep")) CALL iom_put( "pycndep" , zpycn*tmask(:,:,1) ) ! MLD delta rho equi. delta T(10m) = 0.2 245 IF (iom_use("tinv")) CALL iom_put( "tinv" , ztinv*tmask(:,:,1) ) ! max. temp. inv. (t10 ref) 246 IF (iom_use("depti")) CALL iom_put( "depti" , zdepinv*tmask(:,:,1) ) ! depth of max. temp. inv. (t10 ref) 247 ENDIF 248 249 IF(iom_use("20d").OR.iom_use("28d")) THEN 250 ! ----------------------------------- ! 251 ! search deepest level above 20C/28C ! 252 ! ----------------------------------- ! 253 ik20(:,:) = 1 254 ik28(:,:) = 1 255 DO jk = 1, jpkm1 ! beware temperature is not always decreasing with depth => loop from top to bottom 256 DO jj = 1, jpj 257 DO ji = 1, jpi 258 zztmp = tsn(ji,jj,jk,jp_tem) 259 IF( zztmp >= 20. ) ik20(ji,jj) = jk 260 IF( zztmp >= 28. ) ik28(ji,jj) = jk 261 END DO 262 END DO 263 END DO 264 265 ! --------------------------- ! 266 ! Depth of 20C/28C isotherm ! 267 ! --------------------------- ! 268 DO jj = 1, jpj 269 DO ji = 1, jpi 270 ! 271 zzdep = gdepw_n(ji,jj,mbkt(ji,jj)+1) ! depth of the oean bottom 272 ! 273 iid = ik20(ji,jj) 274 IF( iid /= 1 ) THEN 275 zztmp = gdept_n(ji,jj,iid ) & ! linear interpolation 276 & + ( gdept_n(ji,jj,iid+1) - gdept_n(ji,jj,iid) ) & 277 & * ( 20.*tmask(ji,jj,iid+1) - tsn(ji,jj,iid,jp_tem) ) & 278 & / ( tsn(ji,jj,iid+1,jp_tem) - tsn(ji,jj,iid,jp_tem) + (1.-tmask(ji,jj,1)) ) 279 zhd20(ji,jj) = MIN( zztmp , zzdep) * tmask(ji,jj,1) ! bound by the ocean depth 280 ELSE 281 zhd20(ji,jj) = 0._wp 282 ENDIF 283 ! 284 iid = ik28(ji,jj) 285 IF( iid /= 1 ) THEN 286 zztmp = gdept_n(ji,jj,iid ) & ! linear interpolation 287 & + ( gdept_n(ji,jj,iid+1) - gdept_n(ji,jj,iid) ) & 288 & * ( 28.*tmask(ji,jj,iid+1) - tsn(ji,jj,iid,jp_tem) ) & 289 & / ( tsn(ji,jj,iid+1,jp_tem) - tsn(ji,jj,iid,jp_tem) + (1.-tmask(ji,jj,1)) ) 290 zhd28(ji,jj) = MIN( zztmp , zzdep ) * tmask(ji,jj,1) ! bound by the ocean depth 291 ELSE 292 zhd28(ji,jj) = 0._wp 293 ENDIF 294 295 END DO 296 END DO 297 CALL iom_put( "20d", zhd20 ) ! depth of the 20 isotherm 298 CALL iom_put( "28d", zhd28 ) ! depth of the 28 isotherm 299 ENDIF 300 301 ! ----------------------------- ! 302 ! Heat content of first 300 m ! 303 ! ----------------------------- ! 304 IF (iom_use("hc300")) THEN 305 ! find ilevel with (ilevel+1) the deepest W-level above 300m (we assume we can use e3t_1d to do this search...) 306 ilevel = 0 307 zthick_0 = 0._wp 308 DO jk = 1, jpkm1 309 zthick_0 = zthick_0 + e3t_1d(jk) 310 IF( zthick_0 < 300. ) ilevel = jk 311 END DO 312 ! surface boundary condition 313 IF( ln_linssh ) THEN ; zthick(:,:) = sshn(:,:) ; zhtc3(:,:) = tsn(:,:,1,jp_tem) * sshn(:,:) * tmask(:,:,1) 314 ELSE ; zthick(:,:) = 0._wp ; zhtc3(:,:) = 0._wp 315 ENDIF 316 ! integration down to ilevel 317 DO jk = 1, ilevel 318 zthick(:,:) = zthick(:,:) + e3t_n(:,:,jk) 319 zhtc3 (:,:) = zhtc3 (:,:) + e3t_n(:,:,jk) * tsn(:,:,jk,jp_tem) * tmask(:,:,jk) 320 END DO 321 ! deepest layer 322 zthick(:,:) = 300. - zthick(:,:) ! remaining thickness to reach 300m 323 DO jj = 1, jpj 324 DO ji = 1, jpi 325 zhtc3(ji,jj) = zhtc3(ji,jj) + tsn(ji,jj,ilevel+1,jp_tem) & 326 & * MIN( e3t_n(ji,jj,ilevel+1), zthick(ji,jj) ) * tmask(ji,jj,ilevel+1) 327 END DO 328 END DO 329 ! from temperature to heat contain 330 zcoef = rau0 * rcp 331 zhtc3(:,:) = zcoef * zhtc3(:,:) 332 CALL iom_put( "hc300", zhtc3*tmask(:,:,1) ) ! first 300m heat content 333 ENDIF 334 ! 334 335 IF( ln_timing ) CALL timing_stop('dia_hth') 335 336 ! 336 337 END SUBROUTINE dia_hth 337 338
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