- Timestamp:
- 2015-02-11T11:50:34+01:00 (9 years ago)
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branches/2014/dev_r4650_UKMO7_STARTHOUR/NEMOGCM/NEMO/OPA_SRC/BDY/bdyice_lim.F90
r4333 r5075 24 24 USE par_ice_2 25 25 USE ice_2 ! LIM_2 ice variables 26 USE dom_ice_2 ! sea-ice domain 26 27 #elif defined key_lim3 27 28 USE par_ice 28 29 USE ice ! LIM_3 ice variables 30 USE dom_ice ! sea-ice domain 29 31 #endif 30 32 USE par_oce ! ocean parameters 31 33 USE dom_oce ! ocean space and time domain variables 32 USE dom_ice ! sea-ice domain33 34 USE sbc_oce ! Surface boundary condition: ocean fields 34 35 USE bdy_oce ! ocean open boundary conditions … … 44 45 PUBLIC bdy_ice_lim_dyn ! routine called in limrhg 45 46 46 REAL(wp) :: epsi20 = 1.e-20_wp ! module constants47 REAL(wp) :: epsi10 = 1.e-10_wp ! min area allowed by ice model48 47 !!---------------------------------------------------------------------- 49 48 !! NEMO/OPA 3.3 , NEMO Consortium (2010) … … 97 96 INTEGER :: ji, jj, ii, ij ! local scalar 98 97 REAL(wp) :: zwgt, zwgt1 ! local scalar 99 REAL(wp) :: zinda, ztmelts, zdh 100 101 REAL(wp), PARAMETER :: zsal = 6.3 ! arbitrary salinity for incoming ice 102 REAL(wp), PARAMETER :: ztem = 270.0 ! arbitrary temperature for incoming ice 103 REAL(wp), PARAMETER :: zage = 30.0 ! arbitrary age for incoming ice 98 REAL(wp) :: ztmelts, zdh 99 104 100 !!------------------------------------------------------------------------------ 105 101 ! … … 117 113 hicif(ji,jj) = ( hicif(ji,jj) * zwgt1 + dta%hicif(jb) * zwgt ) * tmask(ji,jj,1) ! Ice depth 118 114 hsnif(ji,jj) = ( hsnif(ji,jj) * zwgt1 + dta%hsnif(jb) * zwgt ) * tmask(ji,jj,1) ! Snow depth 119 120 ! zinda = 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - frld(ji,jj) ) ) ! 0 if no ice121 ! !------------------------------122 ! ! Sea ice surface temperature123 ! !------------------------------124 ! sist(ji,jj) = zinda * 270.0 + ( 1.0 - zinda ) * tfu(ji,jj)125 ! !-----------------------------------------------126 ! ! Ice/snow temperatures and energy stored in brines127 ! !-----------------------------------------------128 ! !!! TO BE CONTIUNED (as LIM3 below) !!!129 ! zindhe = MAX( 0.e0, SIGN( 1.e0, fcor(1,jj) ) ) ! = 0 for SH, =1 for NH130 !131 ! ! Recover in situ values.132 ! zindb = MAX( rzero, SIGN( rone, zs0a(ji,jj) - epsi06 ) )133 ! zacrith = 1.0 - ( zindhe * acrit(1) + ( 1.0 - zindhe ) * acrit(2) )134 ! zs0a (ji,jj) = zindb * MIN( zs0a(ji,jj), zacrith )135 ! hsnif(ji,jj) = zindb * ( zs0sn(ji,jj) /MAX( zs0a(ji,jj), epsi16 ) )136 ! hicif(ji,jj) = zindb * ( zs0ice(ji,jj)/MAX( zs0a(ji,jj), epsi16 ) )137 ! zindsn = MAX( rzero, SIGN( rone, hsnif(ji,jj) - epsi06 ) )138 ! zindic = MAX( rzero, SIGN( rone, hicif(ji,jj) - epsi03 ) )139 ! zindb = MAX( zindsn, zindic )140 ! zs0a (ji,jj) = zindb * zs0a(ji,jj)141 ! frld (ji,jj) = 1.0 - zs0a(ji,jj)142 ! hsnif(ji,jj) = zindsn * hsnif(ji,jj)143 ! hicif(ji,jj) = zindic * hicif(ji,jj)144 ! zusvosn = 1.0/MAX( hsnif(ji,jj) * zs0a(ji,jj), epsi16 )145 ! zusvoic = 1.0/MAX( hicif(ji,jj) * zs0a(ji,jj), epsi16 )146 ! zignm = MAX( rzero, SIGN( rone, hsndif - hsnif(ji,jj) ) )147 ! zrtt = 173.15 * rone148 ! ztsn = zignm * tbif(ji,jj,1) &149 ! + ( 1.0 - zignm ) * MIN( MAX( zrtt, rt0_snow * zusvosn * zs0c0(ji,jj)) , tfu(ji,jj) )150 ! ztic1 = MIN( MAX( zrtt, rt0_ice * zusvoic * zs0c1(ji,jj) ) , tfu(ji,jj) )151 ! ztic2 = MIN( MAX( zrtt, rt0_ice * zusvoic * zs0c2(ji,jj) ) , tfu(ji,jj) )152 !153 ! tbif(ji,jj,1) = zindsn * ztsn + ( 1.0 - zindsn ) * tfu(ji,jj)154 ! tbif(ji,jj,2) = zindic * ztic1 + ( 1.0 - zindic ) * tfu(ji,jj)155 ! tbif(ji,jj,3) = zindic * ztic2 + ( 1.0 - zindic ) * tfu(ji,jj)156 ! qstoif(ji,jj) = zindb * xlic * zs0st(ji,jj) / MAX( zs0a(ji,jj), epsi16 )157 158 115 END DO 159 116 … … 217 174 IF ( v_ice(ji ,jj-1) > 0. .AND. vmask(ji ,jj+1,1) == 0. ) jpbound = 1; ii = ji ; ij = jj-1 218 175 219 zinda= 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - at_i(ii,ij) + 0.01 ) ) ! 0 if no ice176 rswitch = 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - at_i(ii,ij) + 0.01 ) ) ! 0 if no ice 220 177 221 178 ! concentration and thickness 222 a_i (ji,jj,jl) = a_i (ii,ij,jl) * zinda223 ht_i(ji,jj,jl) = ht_i(ii,ij,jl) * zinda224 ht_s(ji,jj,jl) = ht_s(ii,ij,jl) * zinda179 a_i (ji,jj,jl) = a_i (ii,ij,jl) * rswitch 180 ht_i(ji,jj,jl) = ht_i(ii,ij,jl) * rswitch 181 ht_s(ji,jj,jl) = ht_s(ii,ij,jl) * rswitch 225 182 226 183 ! Ice and snow volumes … … 233 190 234 191 ! Ice salinity, age, temperature 235 sm_i(ji,jj,jl) = zinda * zsal + ( 1.0 - zinda) * s_i_min236 o_i(ji,jj,jl) = zinda * zage + ( 1.0 - zinda)237 t_su(ji,jj,jl) = zinda * ztem + ( 1.0 - zinda ) * ztem192 sm_i(ji,jj,jl) = rswitch * rn_ice_sal(ib_bdy) + ( 1.0 - rswitch ) * s_i_min 193 o_i(ji,jj,jl) = rswitch * rn_ice_age(ib_bdy) + ( 1.0 - rswitch ) 194 t_su(ji,jj,jl) = rswitch * rn_ice_tem(ib_bdy) + ( 1.0 - rswitch ) * rn_ice_tem(ib_bdy) 238 195 DO jk = 1, nlay_s 239 t_s(ji,jj,jk,jl) = zinda * ztem + ( 1.0 - zinda) * rtt196 t_s(ji,jj,jk,jl) = rswitch * rn_ice_tem(ib_bdy) + ( 1.0 - rswitch ) * rtt 240 197 END DO 241 198 DO jk = 1, nlay_i 242 t_i(ji,jj,jk,jl) = zinda * ztem + ( 1.0 - zinda) * rtt243 s_i(ji,jj,jk,jl) = zinda * zsal + ( 1.0 - zinda) * s_i_min199 t_i(ji,jj,jk,jl) = rswitch * rn_ice_tem(ib_bdy) + ( 1.0 - rswitch ) * rtt 200 s_i(ji,jj,jk,jl) = rswitch * rn_ice_sal(ib_bdy) + ( 1.0 - rswitch ) * s_i_min 244 201 END DO 245 202 … … 247 204 248 205 ! Ice salinity, age, temperature 249 sm_i(ji,jj,jl) = zinda * sm_i(ii,ij,jl) + ( 1.0 - zinda) * s_i_min250 o_i(ji,jj,jl) = zinda * o_i(ii,ij,jl) + ( 1.0 - zinda)251 t_su(ji,jj,jl) = zinda * t_su(ii,ij,jl) + ( 1.0 - zinda) * rtt206 sm_i(ji,jj,jl) = rswitch * sm_i(ii,ij,jl) + ( 1.0 - rswitch ) * s_i_min 207 o_i(ji,jj,jl) = rswitch * o_i(ii,ij,jl) + ( 1.0 - rswitch ) 208 t_su(ji,jj,jl) = rswitch * t_su(ii,ij,jl) + ( 1.0 - rswitch ) * rtt 252 209 DO jk = 1, nlay_s 253 t_s(ji,jj,jk,jl) = zinda * t_s(ii,ij,jk,jl) + ( 1.0 - zinda) * rtt210 t_s(ji,jj,jk,jl) = rswitch * t_s(ii,ij,jk,jl) + ( 1.0 - rswitch ) * rtt 254 211 END DO 255 212 DO jk = 1, nlay_i 256 t_i(ji,jj,jk,jl) = zinda * t_i(ii,ij,jk,jl) + ( 1.0 - zinda) * rtt257 s_i(ji,jj,jk,jl) = zinda * s_i(ii,ij,jk,jl) + ( 1.0 - zinda) * s_i_min213 t_i(ji,jj,jk,jl) = rswitch * t_i(ii,ij,jk,jl) + ( 1.0 - rswitch ) * rtt 214 s_i(ji,jj,jk,jl) = rswitch * s_i(ii,ij,jk,jl) + ( 1.0 - rswitch ) * s_i_min 258 215 END DO 259 216 260 217 END SELECT 218 219 ! if salinity is constant, then overwrite rn_ice_sal 220 IF( num_sal == 1 ) THEN 221 sm_i(ji,jj,jl) = bulk_sal 222 s_i (ji,jj,:,jl) = bulk_sal 223 ENDIF 261 224 262 225 ! contents … … 265 228 DO jk = 1, nlay_s 266 229 ! Snow energy of melting 267 e_s(ji,jj,jk,jl) = zinda* rhosn * ( cpic * ( rtt - t_s(ji,jj,jk,jl) ) + lfus )230 e_s(ji,jj,jk,jl) = rswitch * rhosn * ( cpic * ( rtt - t_s(ji,jj,jk,jl) ) + lfus ) 268 231 ! Change dimensions 269 232 e_s(ji,jj,jk,jl) = e_s(ji,jj,jk,jl) / unit_fac … … 274 237 ztmelts = - tmut * s_i(ji,jj,jk,jl) + rtt !Melting temperature in K 275 238 ! heat content per unit volume 276 e_i(ji,jj,jk,jl) = zinda* rhoic * &239 e_i(ji,jj,jk,jl) = rswitch * rhoic * & 277 240 ( cpic * ( ztmelts - t_i(ji,jj,jk,jl) ) & 278 241 + lfus * ( 1.0 - (ztmelts-rtt) / MIN((t_i(ji,jj,jk,jl)-rtt),-epsi20) ) & … … 331 294 INTEGER :: ji, jj ! local scalar 332 295 INTEGER :: ib_bdy ! Loop index 333 REAL(wp) :: zmsk1, zmsk2, zflag , zinda296 REAL(wp) :: zmsk1, zmsk2, zflag 334 297 !!------------------------------------------------------------------------------ 335 298 ! … … 338 301 DO ib_bdy=1, nb_bdy 339 302 ! 340 SELECT CASE( nn_ice_lim(ib_bdy) )303 SELECT CASE( cn_ice_lim(ib_bdy) ) 341 304 342 305 CASE('none') … … 355 318 ji = idx_bdy(ib_bdy)%nbi(jb,jgrd) 356 319 jj = idx_bdy(ib_bdy)%nbj(jb,jgrd) 357 zflag = idx_bdy(ib_bdy)%flagu(jb )320 zflag = idx_bdy(ib_bdy)%flagu(jb,jgrd) 358 321 359 322 IF ( ABS( zflag ) == 1. ) THEN ! eastern and western boundaries … … 371 334 ENDIF 372 335 ! mask ice velocities 373 zinda= 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - at_i(ji,jj) + 0.01 ) ) ! 0 if no ice374 u_ice(ji,jj) = zinda* u_ice(ji,jj)336 rswitch = 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - at_i(ji,jj) + 0.01 ) ) ! 0 if no ice 337 u_ice(ji,jj) = rswitch * u_ice(ji,jj) 375 338 376 339 ENDDO … … 384 347 ji = idx_bdy(ib_bdy)%nbi(jb,jgrd) 385 348 jj = idx_bdy(ib_bdy)%nbj(jb,jgrd) 386 zflag = idx_bdy(ib_bdy)%flagv(jb )349 zflag = idx_bdy(ib_bdy)%flagv(jb,jgrd) 387 350 388 351 IF ( ABS( zflag ) == 1. ) THEN ! northern and southern boundaries … … 400 363 ENDIF 401 364 ! mask ice velocities 402 zinda= 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - at_i(ji,jj) + 0.01 ) ) ! 0 if no ice403 v_ice(ji,jj) = zinda* v_ice(ji,jj)365 rswitch = 1.0 - MAX( 0.0_wp , SIGN ( 1.0_wp , - at_i(ji,jj) + 0.01 ) ) ! 0 if no ice 366 v_ice(ji,jj) = rswitch * v_ice(ji,jj) 404 367 405 368 ENDDO
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