[1749] | 1 | ! |
---|
| 2 | ! $Id: iniacademic.F90 1625 2012-05-09 13:14:48Z lguez $ |
---|
| 3 | ! |
---|
| 4 | SUBROUTINE iniacademic_loc(vcov,ucov,teta,q,masse,ps,phis,time_0) |
---|
| 5 | |
---|
[2083] | 6 | USE filtreg_mod, ONLY: inifilr |
---|
[2021] | 7 | use exner_hyb_m, only: exner_hyb |
---|
| 8 | use exner_milieu_m, only: exner_milieu |
---|
[2270] | 9 | USE infotrac, ONLY: nqtot,niso_possibles,ok_isotopes,iqpere,ok_iso_verif,tnat,alpha_ideal, & |
---|
| 10 | & iqiso,phase_num,iso_indnum,iso_num,zone_num |
---|
[1749] | 11 | USE control_mod, ONLY: day_step,planet_type |
---|
[2083] | 12 | USE parallel_lmdz, ONLY: ijb_u, ije_u, ijb_v, ije_v |
---|
[1749] | 13 | #ifdef CPP_IOIPSL |
---|
[2083] | 14 | USE IOIPSL, ONLY: getin |
---|
[1749] | 15 | #else |
---|
| 16 | ! if not using IOIPSL, we still need to use (a local version of) getin |
---|
[2083] | 17 | USE ioipsl_getincom, ONLY: getin |
---|
[1749] | 18 | #endif |
---|
| 19 | USE Write_Field |
---|
[2597] | 20 | USE comconst_mod, ONLY: cpp, kappa, g, daysec, dtvr, pi, im, jm |
---|
[2603] | 21 | USE logic_mod, ONLY: iflag_phys, read_start |
---|
[2600] | 22 | USE comvert_mod, ONLY: ap, bp, preff, presnivs, pressure_exner |
---|
[2601] | 23 | USE temps_mod, ONLY: annee_ref, day_ini, day_ref |
---|
[2622] | 24 | USE ener_mod, ONLY: etot0,ptot0,ztot0,stot0,ang0 |
---|
[1749] | 25 | |
---|
[2622] | 26 | |
---|
[1749] | 27 | ! Author: Frederic Hourdin original: 15/01/93 |
---|
| 28 | ! The forcing defined here is from Held and Suarez, 1994, Bulletin |
---|
| 29 | ! of the American Meteorological Society, 75, 1825. |
---|
| 30 | |
---|
| 31 | IMPLICIT NONE |
---|
| 32 | |
---|
| 33 | ! Declararations: |
---|
| 34 | ! --------------- |
---|
| 35 | |
---|
| 36 | include "dimensions.h" |
---|
| 37 | include "paramet.h" |
---|
| 38 | include "comgeom.h" |
---|
| 39 | include "academic.h" |
---|
| 40 | include "iniprint.h" |
---|
| 41 | |
---|
| 42 | ! Arguments: |
---|
| 43 | ! ---------- |
---|
| 44 | |
---|
[2083] | 45 | REAL,INTENT(OUT) :: time_0 |
---|
[1749] | 46 | |
---|
[2083] | 47 | ! fields |
---|
| 48 | REAL,INTENT(OUT) :: vcov(ijb_v:ije_v,llm) ! meridional covariant wind |
---|
| 49 | REAL,INTENT(OUT) :: ucov(ijb_u:ije_u,llm) ! zonal covariant wind |
---|
| 50 | REAL,INTENT(OUT) :: teta(ijb_u:ije_u,llm) ! potential temperature (K) |
---|
| 51 | REAL,INTENT(OUT) :: q(ijb_u:ije_u,llm,nqtot) ! advected tracers (.../kg_of_air) |
---|
| 52 | REAL,INTENT(OUT) :: ps(ijb_u:ije_u) ! surface pressure (Pa) |
---|
| 53 | REAL,INTENT(OUT) :: masse(ijb_u:ije_u,llm) ! air mass in grid cell (kg) |
---|
| 54 | REAL,INTENT(OUT) :: phis(ijb_u:ije_u) ! surface geopotential |
---|
[1749] | 55 | |
---|
| 56 | ! Local: |
---|
| 57 | ! ------ |
---|
| 58 | |
---|
| 59 | REAL,ALLOCATABLE :: vcov_glo(:,:),ucov_glo(:,:),teta_glo(:,:) |
---|
| 60 | REAL,ALLOCATABLE :: q_glo(:,:),masse_glo(:,:),ps_glo(:) |
---|
| 61 | REAL,ALLOCATABLE :: phis_glo(:) |
---|
| 62 | REAL p (ip1jmp1,llmp1 ) ! pression aux interfac.des couches |
---|
| 63 | REAL pks(ip1jmp1) ! exner au sol |
---|
| 64 | REAL pk(ip1jmp1,llm) ! exner au milieu des couches |
---|
| 65 | REAL phi(ip1jmp1,llm) ! geopotentiel |
---|
| 66 | REAL ddsin,zsig,tetapv,w_pv ! variables auxiliaires |
---|
| 67 | real tetastrat ! potential temperature in the stratosphere, in K |
---|
| 68 | real tetajl(jjp1,llm) |
---|
| 69 | INTEGER i,j,l,lsup,ij |
---|
| 70 | |
---|
| 71 | REAL teta0,ttp,delt_y,delt_z,eps ! Constantes pour profil de T |
---|
| 72 | REAL k_f,k_c_a,k_c_s ! Constantes de rappel |
---|
| 73 | LOGICAL ok_geost ! Initialisation vent geost. ou nul |
---|
| 74 | LOGICAL ok_pv ! Polar Vortex |
---|
| 75 | REAL phi_pv,dphi_pv,gam_pv ! Constantes pour polar vortex |
---|
| 76 | |
---|
| 77 | real zz,ran1 |
---|
| 78 | integer idum |
---|
| 79 | |
---|
| 80 | REAL zdtvr |
---|
| 81 | |
---|
| 82 | character(len=*),parameter :: modname="iniacademic" |
---|
| 83 | character(len=80) :: abort_message |
---|
| 84 | |
---|
[2083] | 85 | ! Sanity check: verify that options selected by user are not incompatible |
---|
[2087] | 86 | if ((iflag_phys==1).and. .not. read_start) then |
---|
[2083] | 87 | write(lunout,*) trim(modname)," error: if read_start is set to ", & |
---|
| 88 | " false then iflag_phys should not be 1" |
---|
| 89 | write(lunout,*) "You most likely want an aquaplanet initialisation", & |
---|
| 90 | " (iflag_phys >= 100)" |
---|
| 91 | call abort_gcm(modname,"incompatible iflag_phys==1 and read_start==.false.",1) |
---|
| 92 | endif |
---|
| 93 | |
---|
[1749] | 94 | !----------------------------------------------------------------------- |
---|
| 95 | ! 1. Initializations for Earth-like case |
---|
| 96 | ! -------------------------------------- |
---|
| 97 | ! |
---|
| 98 | ! initialize planet radius, rotation rate,... |
---|
| 99 | call conf_planete |
---|
| 100 | |
---|
| 101 | time_0=0. |
---|
| 102 | day_ref=1 |
---|
[3030] | 103 | ! annee_ref=0 |
---|
[1749] | 104 | |
---|
| 105 | im = iim |
---|
| 106 | jm = jjm |
---|
| 107 | day_ini = 1 |
---|
| 108 | dtvr = daysec/REAL(day_step) |
---|
| 109 | zdtvr=dtvr |
---|
| 110 | etot0 = 0. |
---|
| 111 | ptot0 = 0. |
---|
| 112 | ztot0 = 0. |
---|
| 113 | stot0 = 0. |
---|
[2270] | 114 | ang0 = 0. |
---|
[1749] | 115 | |
---|
| 116 | if (llm == 1) then |
---|
| 117 | ! specific initializations for the shallow water case |
---|
| 118 | kappa=1 |
---|
| 119 | endif |
---|
| 120 | |
---|
| 121 | CALL iniconst |
---|
| 122 | CALL inigeom |
---|
| 123 | CALL inifilr |
---|
| 124 | |
---|
| 125 | if (llm == 1) then |
---|
| 126 | ! initialize fields for the shallow water case, if required |
---|
| 127 | if (.not.read_start) then |
---|
| 128 | phis(ijb_u:ije_u)=0. |
---|
| 129 | q(ijb_u:ije_u,1:llm,1:nqtot)=0 |
---|
| 130 | CALL sw_case_williamson91_6_loc(vcov,ucov,teta,masse,ps) |
---|
| 131 | endif |
---|
| 132 | endif |
---|
| 133 | |
---|
| 134 | academic_case: if (iflag_phys >= 2) then |
---|
| 135 | ! initializations |
---|
| 136 | |
---|
| 137 | ! 1. local parameters |
---|
| 138 | ! by convention, winter is in the southern hemisphere |
---|
| 139 | ! Geostrophic wind or no wind? |
---|
| 140 | ok_geost=.TRUE. |
---|
| 141 | CALL getin('ok_geost',ok_geost) |
---|
| 142 | ! Constants for Newtonian relaxation and friction |
---|
| 143 | k_f=1. !friction |
---|
| 144 | CALL getin('k_j',k_f) |
---|
| 145 | k_f=1./(daysec*k_f) |
---|
| 146 | k_c_s=4. !cooling surface |
---|
| 147 | CALL getin('k_c_s',k_c_s) |
---|
| 148 | k_c_s=1./(daysec*k_c_s) |
---|
| 149 | k_c_a=40. !cooling free atm |
---|
| 150 | CALL getin('k_c_a',k_c_a) |
---|
| 151 | k_c_a=1./(daysec*k_c_a) |
---|
| 152 | ! Constants for Teta equilibrium profile |
---|
| 153 | teta0=315. ! mean Teta (S.H. 315K) |
---|
| 154 | CALL getin('teta0',teta0) |
---|
| 155 | ttp=200. ! Tropopause temperature (S.H. 200K) |
---|
| 156 | CALL getin('ttp',ttp) |
---|
| 157 | eps=0. ! Deviation to N-S symmetry(~0-20K) |
---|
| 158 | CALL getin('eps',eps) |
---|
| 159 | delt_y=60. ! Merid Temp. Gradient (S.H. 60K) |
---|
| 160 | CALL getin('delt_y',delt_y) |
---|
| 161 | delt_z=10. ! Vertical Gradient (S.H. 10K) |
---|
| 162 | CALL getin('delt_z',delt_z) |
---|
| 163 | ! Polar vortex |
---|
| 164 | ok_pv=.false. |
---|
| 165 | CALL getin('ok_pv',ok_pv) |
---|
| 166 | phi_pv=-50. ! Latitude of edge of vortex |
---|
| 167 | CALL getin('phi_pv',phi_pv) |
---|
| 168 | phi_pv=phi_pv*pi/180. |
---|
| 169 | dphi_pv=5. ! Width of the edge |
---|
| 170 | CALL getin('dphi_pv',dphi_pv) |
---|
| 171 | dphi_pv=dphi_pv*pi/180. |
---|
| 172 | gam_pv=4. ! -dT/dz vortex (in K/km) |
---|
| 173 | CALL getin('gam_pv',gam_pv) |
---|
| 174 | |
---|
| 175 | ! 2. Initialize fields towards which to relax |
---|
| 176 | ! Friction |
---|
| 177 | knewt_g=k_c_a |
---|
| 178 | DO l=1,llm |
---|
| 179 | zsig=presnivs(l)/preff |
---|
| 180 | knewt_t(l)=(k_c_s-k_c_a)*MAX(0.,(zsig-0.7)/0.3) |
---|
| 181 | kfrict(l)=k_f*MAX(0.,(zsig-0.7)/0.3) |
---|
| 182 | ENDDO |
---|
| 183 | DO j=1,jjp1 |
---|
| 184 | clat4((j-1)*iip1+1:j*iip1)=cos(rlatu(j))**4 |
---|
| 185 | ENDDO |
---|
| 186 | |
---|
| 187 | ! Potential temperature |
---|
| 188 | DO l=1,llm |
---|
| 189 | zsig=presnivs(l)/preff |
---|
| 190 | tetastrat=ttp*zsig**(-kappa) |
---|
| 191 | tetapv=tetastrat |
---|
| 192 | IF ((ok_pv).AND.(zsig.LT.0.1)) THEN |
---|
| 193 | tetapv=tetastrat*(zsig*10.)**(kappa*cpp*gam_pv/1000./g) |
---|
| 194 | ENDIF |
---|
| 195 | DO j=1,jjp1 |
---|
| 196 | ! Troposphere |
---|
| 197 | ddsin=sin(rlatu(j)) |
---|
| 198 | tetajl(j,l)=teta0-delt_y*ddsin*ddsin+eps*ddsin & |
---|
| 199 | -delt_z*(1.-ddsin*ddsin)*log(zsig) |
---|
| 200 | if (planet_type=="giant") then |
---|
| 201 | tetajl(j,l)=teta0+(delt_y* & |
---|
| 202 | ((sin(rlatu(j)*3.14159*eps+0.0001))**2) & |
---|
| 203 | / ((rlatu(j)*3.14159*eps+0.0001)**2)) & |
---|
| 204 | -delt_z*log(zsig) |
---|
| 205 | endif |
---|
| 206 | ! Profil stratospherique isotherme (+vortex) |
---|
| 207 | w_pv=(1.-tanh((rlatu(j)-phi_pv)/dphi_pv))/2. |
---|
| 208 | tetastrat=tetastrat*(1.-w_pv)+tetapv*w_pv |
---|
| 209 | tetajl(j,l)=MAX(tetajl(j,l),tetastrat) |
---|
| 210 | ENDDO |
---|
| 211 | ENDDO |
---|
| 212 | |
---|
| 213 | ! CALL writefield('theta_eq',tetajl) |
---|
| 214 | |
---|
| 215 | do l=1,llm |
---|
| 216 | do j=1,jjp1 |
---|
| 217 | do i=1,iip1 |
---|
| 218 | ij=(j-1)*iip1+i |
---|
| 219 | tetarappel(ij,l)=tetajl(j,l) |
---|
| 220 | enddo |
---|
| 221 | enddo |
---|
| 222 | enddo |
---|
| 223 | |
---|
| 224 | ! 3. Initialize fields (if necessary) |
---|
| 225 | IF (.NOT. read_start) THEN |
---|
| 226 | ! allocate global fields: |
---|
| 227 | ! allocate(vcov_glo(ip1jm,llm)) |
---|
| 228 | allocate(ucov_glo(ip1jmp1,llm)) |
---|
| 229 | allocate(teta_glo(ip1jmp1,llm)) |
---|
| 230 | allocate(ps_glo(ip1jmp1)) |
---|
| 231 | allocate(masse_glo(ip1jmp1,llm)) |
---|
| 232 | allocate(phis_glo(ip1jmp1)) |
---|
| 233 | |
---|
| 234 | ! surface pressure |
---|
| 235 | if (iflag_phys>2) then |
---|
| 236 | ! specific value for CMIP5 aqua/terra planets |
---|
| 237 | ! "Specify the initial dry mass to be equivalent to |
---|
| 238 | ! a global mean surface pressure (101325 minus 245) Pa." |
---|
| 239 | ps_glo(:)=101080. |
---|
| 240 | else |
---|
| 241 | ! use reference surface pressure |
---|
| 242 | ps_glo(:)=preff |
---|
| 243 | endif |
---|
| 244 | |
---|
| 245 | ! ground geopotential |
---|
| 246 | phis_glo(:)=0. |
---|
| 247 | |
---|
| 248 | CALL pression ( ip1jmp1, ap, bp, ps_glo, p ) |
---|
| 249 | if (pressure_exner) then |
---|
[2021] | 250 | CALL exner_hyb( ip1jmp1, ps_glo, p, pks, pk ) |
---|
[1749] | 251 | else |
---|
[2021] | 252 | call exner_milieu(ip1jmp1,ps_glo,p,pks,pk) |
---|
[1749] | 253 | endif |
---|
| 254 | CALL massdair(p,masse_glo) |
---|
| 255 | |
---|
| 256 | ! bulk initialization of temperature |
---|
| 257 | teta_glo(:,:)=tetarappel(:,:) |
---|
| 258 | |
---|
| 259 | ! geopotential |
---|
| 260 | CALL geopot(ip1jmp1,teta_glo,pk,pks,phis_glo,phi) |
---|
| 261 | |
---|
| 262 | ! winds |
---|
| 263 | if (ok_geost) then |
---|
| 264 | call ugeostr(phi,ucov_glo) |
---|
| 265 | else |
---|
| 266 | ucov_glo(:,:)=0. |
---|
| 267 | endif |
---|
| 268 | vcov(ijb_v:ije_v,1:llm)=0. |
---|
| 269 | |
---|
| 270 | ! bulk initialization of tracers |
---|
| 271 | if (planet_type=="earth") then |
---|
| 272 | ! Earth: first two tracers will be water |
---|
[2270] | 273 | |
---|
[1749] | 274 | do i=1,nqtot |
---|
| 275 | if (i == 1) q(ijb_u:ije_u,:,i)=1.e-10 |
---|
| 276 | if (i == 2) q(ijb_u:ije_u,:,i)=1.e-15 |
---|
| 277 | if (i.gt.2) q(ijb_u:ije_u,:,i)=0. |
---|
[2270] | 278 | |
---|
| 279 | ! CRisi: init des isotopes |
---|
| 280 | ! distill de Rayleigh très simplifiée |
---|
| 281 | if (ok_isotopes) then |
---|
| 282 | if ((iso_num(i).gt.0).and.(zone_num(i).eq.0)) then |
---|
| 283 | q(ijb_u:ije_u,:,i)=q(ijb_u:ije_u,:,iqpere(i)) & |
---|
| 284 | & *tnat(iso_num(i)) & |
---|
| 285 | & *(q(ijb_u:ije_u,:,iqpere(i))/30.e-3) & |
---|
| 286 | & **(alpha_ideal(iso_num(i))-1) |
---|
| 287 | endif |
---|
| 288 | if ((iso_num(i).gt.0).and.(zone_num(i).eq.1)) then |
---|
| 289 | q(ijb_u:ije_u,:,i)=q(ijb_u:ije_u,:,iqiso(iso_indnum(i),phase_num(i))) |
---|
| 290 | endif |
---|
| 291 | endif !if (ok_isotopes) then |
---|
| 292 | |
---|
[1749] | 293 | enddo |
---|
| 294 | else |
---|
| 295 | q(ijb_u:ije_u,:,:)=0 |
---|
| 296 | endif ! of if (planet_type=="earth") |
---|
| 297 | |
---|
[2270] | 298 | if (ok_iso_verif) then |
---|
| 299 | call check_isotopes(q,ijb_u,ije_u,'iniacademic_loc') |
---|
| 300 | endif !if (ok_iso_verif) then |
---|
| 301 | |
---|
[1749] | 302 | ! add random perturbation to temperature |
---|
| 303 | idum = -1 |
---|
| 304 | zz = ran1(idum) |
---|
| 305 | idum = 0 |
---|
| 306 | do l=1,llm |
---|
| 307 | do ij=iip2,ip1jm |
---|
| 308 | teta_glo(ij,l)=teta_glo(ij,l)*(1.+0.005*ran1(idum)) |
---|
| 309 | enddo |
---|
| 310 | enddo |
---|
| 311 | |
---|
| 312 | ! maintain periodicity in longitude |
---|
| 313 | do l=1,llm |
---|
| 314 | do ij=1,ip1jmp1,iip1 |
---|
| 315 | teta_glo(ij+iim,l)=teta_glo(ij,l) |
---|
| 316 | enddo |
---|
| 317 | enddo |
---|
| 318 | |
---|
| 319 | ! copy data from global array to local array: |
---|
| 320 | teta(ijb_u:ije_u,:)=teta_glo(ijb_u:ije_u,:) |
---|
| 321 | ucov(ijb_u:ije_u,:)=ucov_glo(ijb_u:ije_u,:) |
---|
| 322 | ! vcov(ijb_v:ije_v,:)=vcov_glo(ijb_v:ije_v,:) |
---|
| 323 | masse(ijb_u:ije_u,:)=masse_glo(ijb_u:ije_u,:) |
---|
| 324 | ps(ijb_u:ije_u)=ps_glo(ijb_u:ije_u) |
---|
| 325 | phis(ijb_u:ije_u)=phis_glo(ijb_u:ije_u) |
---|
| 326 | |
---|
| 327 | deallocate(teta_glo) |
---|
| 328 | deallocate(ucov_glo) |
---|
| 329 | ! deallocate(vcov_glo) |
---|
| 330 | deallocate(masse_glo) |
---|
| 331 | deallocate(ps_glo) |
---|
| 332 | deallocate(phis_glo) |
---|
| 333 | ENDIF ! of IF (.NOT. read_start) |
---|
| 334 | endif academic_case |
---|
| 335 | |
---|
| 336 | END SUBROUTINE iniacademic_loc |
---|