[630] | 1 | ! |
---|
[1403] | 2 | ! $Id: iniacademic.F 1446 2010-10-22 09:27:25Z acozic $ |
---|
[630] | 3 | ! |
---|
| 4 | c |
---|
| 5 | c |
---|
[1146] | 6 | SUBROUTINE iniacademic(vcov,ucov,teta,q,masse,ps,phis,time_0) |
---|
[630] | 7 | |
---|
[1146] | 8 | USE filtreg_mod |
---|
| 9 | USE infotrac, ONLY : nqtot |
---|
[1446] | 10 | USE control_mod, ONLY: day_step,planet_type |
---|
[1437] | 11 | #ifdef CPP_IOIPSL |
---|
| 12 | USE IOIPSL |
---|
| 13 | #else |
---|
| 14 | ! if not using IOIPSL, we still need to use (a local version of) getin |
---|
| 15 | USE ioipsl_getincom |
---|
| 16 | #endif |
---|
| 17 | USE Write_Field |
---|
[1403] | 18 | |
---|
[1146] | 19 | |
---|
[630] | 20 | c%W% %G% |
---|
| 21 | c======================================================================= |
---|
| 22 | c |
---|
| 23 | c Author: Frederic Hourdin original: 15/01/93 |
---|
| 24 | c ------- |
---|
| 25 | c |
---|
| 26 | c Subject: |
---|
| 27 | c ------ |
---|
| 28 | c |
---|
| 29 | c Method: |
---|
| 30 | c -------- |
---|
| 31 | c |
---|
| 32 | c Interface: |
---|
| 33 | c ---------- |
---|
| 34 | c |
---|
| 35 | c Input: |
---|
| 36 | c ------ |
---|
| 37 | c |
---|
| 38 | c Output: |
---|
| 39 | c ------- |
---|
| 40 | c |
---|
| 41 | c======================================================================= |
---|
| 42 | IMPLICIT NONE |
---|
| 43 | c----------------------------------------------------------------------- |
---|
| 44 | c Declararations: |
---|
| 45 | c --------------- |
---|
| 46 | |
---|
| 47 | #include "dimensions.h" |
---|
| 48 | #include "paramet.h" |
---|
| 49 | #include "comvert.h" |
---|
| 50 | #include "comconst.h" |
---|
| 51 | #include "comgeom.h" |
---|
| 52 | #include "academic.h" |
---|
| 53 | #include "ener.h" |
---|
| 54 | #include "temps.h" |
---|
[1146] | 55 | #include "iniprint.h" |
---|
[1403] | 56 | #include "logic.h" |
---|
[630] | 57 | |
---|
| 58 | c Arguments: |
---|
| 59 | c ---------- |
---|
| 60 | |
---|
| 61 | real time_0 |
---|
| 62 | |
---|
| 63 | c variables dynamiques |
---|
| 64 | REAL vcov(ip1jm,llm),ucov(ip1jmp1,llm) ! vents covariants |
---|
| 65 | REAL teta(ip1jmp1,llm) ! temperature potentielle |
---|
[1403] | 66 | REAL q(ip1jmp1,llm,nqtot) ! champs advectes |
---|
[630] | 67 | REAL ps(ip1jmp1) ! pression au sol |
---|
| 68 | REAL masse(ip1jmp1,llm) ! masse d'air |
---|
[1146] | 69 | REAL phis(ip1jmp1) ! geopotentiel au sol |
---|
| 70 | |
---|
| 71 | c Local: |
---|
| 72 | c ------ |
---|
| 73 | |
---|
[630] | 74 | REAL p (ip1jmp1,llmp1 ) ! pression aux interfac.des couches |
---|
| 75 | REAL pks(ip1jmp1) ! exner au sol |
---|
| 76 | REAL pk(ip1jmp1,llm) ! exner au milieu des couches |
---|
| 77 | REAL pkf(ip1jmp1,llm) ! exner filt.au milieu des couches |
---|
| 78 | REAL phi(ip1jmp1,llm) ! geopotentiel |
---|
[1437] | 79 | REAL ddsin,tetastrat,zsig,tetapv,w_pv ! variables auxiliaires |
---|
[630] | 80 | real tetajl(jjp1,llm) |
---|
| 81 | INTEGER i,j,l,lsup,ij |
---|
| 82 | |
---|
[1437] | 83 | REAL teta0,ttp,delt_y,delt_z,eps ! Constantes pour profil de T |
---|
| 84 | REAL k_f,k_c_a,k_c_s ! Constantes de rappel |
---|
| 85 | LOGICAL ok_geost ! Initialisation vent geost. ou nul |
---|
| 86 | LOGICAL ok_pv ! Polar Vortex |
---|
| 87 | REAL phi_pv,dphi_pv,gam_pv ! Constantes pour polar vortex |
---|
| 88 | |
---|
[630] | 89 | real zz,ran1 |
---|
| 90 | integer idum |
---|
| 91 | |
---|
| 92 | REAL alpha(ip1jmp1,llm),beta(ip1jmp1,llm),zdtvr |
---|
| 93 | |
---|
| 94 | c----------------------------------------------------------------------- |
---|
[1146] | 95 | ! 1. Initializations for Earth-like case |
---|
| 96 | ! -------------------------------------- |
---|
[630] | 97 | c |
---|
[1437] | 98 | ! initialize planet radius, rotation rate,... |
---|
| 99 | call conf_planete |
---|
| 100 | |
---|
[1146] | 101 | time_0=0. |
---|
[1437] | 102 | day_ref=1 |
---|
[1403] | 103 | annee_ref=0 |
---|
[630] | 104 | |
---|
[1146] | 105 | im = iim |
---|
| 106 | jm = jjm |
---|
[1437] | 107 | day_ini = 1 |
---|
[1403] | 108 | dtvr = daysec/REAL(day_step) |
---|
[1146] | 109 | zdtvr=dtvr |
---|
| 110 | etot0 = 0. |
---|
| 111 | ptot0 = 0. |
---|
| 112 | ztot0 = 0. |
---|
| 113 | stot0 = 0. |
---|
| 114 | ang0 = 0. |
---|
[630] | 115 | |
---|
[1403] | 116 | if (llm.eq.1) then |
---|
| 117 | ! specific initializations for the shallow water case |
---|
| 118 | kappa=1 |
---|
| 119 | endif |
---|
| 120 | |
---|
[1146] | 121 | CALL iniconst |
---|
| 122 | CALL inigeom |
---|
| 123 | CALL inifilr |
---|
[630] | 124 | |
---|
[1403] | 125 | if (llm.eq.1) then |
---|
| 126 | ! initialize fields for the shallow water case, if required |
---|
| 127 | if (.not.read_start) then |
---|
| 128 | phis(:)=0. |
---|
[1446] | 129 | q(:,:,:)=0 |
---|
[1403] | 130 | CALL sw_case_williamson91_6(vcov,ucov,teta,masse,ps) |
---|
| 131 | endif |
---|
| 132 | endif |
---|
| 133 | |
---|
| 134 | if (iflag_phys.eq.2) then |
---|
| 135 | ! initializations for the academic case |
---|
[1437] | 136 | |
---|
[1446] | 137 | ! if (planet_type=="earth") then |
---|
| 138 | |
---|
[1437] | 139 | ! 1. local parameters |
---|
| 140 | ! by convention, winter is in the southern hemisphere |
---|
| 141 | ! Geostrophic wind or no wind? |
---|
| 142 | ok_geost=.TRUE. |
---|
| 143 | CALL getin('ok_geost',ok_geost) |
---|
| 144 | ! Constants for Newtonian relaxation and friction |
---|
| 145 | k_f=1. !friction |
---|
| 146 | CALL getin('k_j',k_f) |
---|
| 147 | k_f=1./(daysec*k_f) |
---|
| 148 | k_c_s=4. !cooling surface |
---|
| 149 | CALL getin('k_c_s',k_c_s) |
---|
| 150 | k_c_s=1./(daysec*k_c_s) |
---|
| 151 | k_c_a=40. !cooling free atm |
---|
| 152 | CALL getin('k_c_a',k_c_a) |
---|
| 153 | k_c_a=1./(daysec*k_c_a) |
---|
| 154 | ! Constants for Teta equilibrium profile |
---|
| 155 | teta0=315. ! mean Teta (S.H. 315K) |
---|
| 156 | CALL getin('teta0',teta0) |
---|
| 157 | ttp=200. ! Tropopause temperature (S.H. 200K) |
---|
| 158 | CALL getin('ttp',ttp) |
---|
| 159 | eps=0. ! Deviation to N-S symmetry(~0-20K) |
---|
| 160 | CALL getin('eps',eps) |
---|
| 161 | delt_y=60. ! Merid Temp. Gradient (S.H. 60K) |
---|
| 162 | CALL getin('delt_y',delt_y) |
---|
| 163 | delt_z=10. ! Vertical Gradient (S.H. 10K) |
---|
| 164 | CALL getin('delt_z',delt_z) |
---|
| 165 | ! Polar vortex |
---|
| 166 | ok_pv=.false. |
---|
| 167 | CALL getin('ok_pv',ok_pv) |
---|
| 168 | phi_pv=-50. ! Latitude of edge of vortex |
---|
| 169 | CALL getin('phi_pv',phi_pv) |
---|
| 170 | phi_pv=phi_pv*pi/180. |
---|
| 171 | dphi_pv=5. ! Width of the edge |
---|
| 172 | CALL getin('dphi_pv',dphi_pv) |
---|
| 173 | dphi_pv=dphi_pv*pi/180. |
---|
| 174 | gam_pv=4. ! -dT/dz vortex (in K/km) |
---|
| 175 | CALL getin('gam_pv',gam_pv) |
---|
| 176 | |
---|
| 177 | ! 2. Initialize fields towards which to relax |
---|
| 178 | ! Friction |
---|
| 179 | knewt_g=k_c_a |
---|
[1403] | 180 | DO l=1,llm |
---|
[1437] | 181 | zsig=presnivs(l)/preff |
---|
| 182 | knewt_t(l)=(k_c_s-k_c_a)*MAX(0.,(zsig-0.7)/0.3) |
---|
| 183 | kfrict(l)=k_f*MAX(0.,(zsig-0.7)/0.3) |
---|
| 184 | ENDDO |
---|
| 185 | DO j=1,jjp1 |
---|
| 186 | clat4((j-1)*iip1+1:j*iip1)=cos(rlatu(j))**4 |
---|
| 187 | ENDDO |
---|
| 188 | |
---|
| 189 | ! Potential temperature |
---|
| 190 | DO l=1,llm |
---|
| 191 | zsig=presnivs(l)/preff |
---|
| 192 | tetastrat=ttp*zsig**(-kappa) |
---|
| 193 | tetapv=tetastrat |
---|
| 194 | IF ((ok_pv).AND.(zsig.LT.0.1)) THEN |
---|
| 195 | tetapv=tetastrat*(zsig*10.)**(kappa*cpp*gam_pv/1000./g) |
---|
| 196 | ENDIF |
---|
| 197 | DO j=1,jjp1 |
---|
| 198 | ! Troposphere |
---|
| 199 | ddsin=sin(rlatu(j)) |
---|
| 200 | tetajl(j,l)=teta0-delt_y*ddsin*ddsin+eps*ddsin |
---|
| 201 | & -delt_z*(1.-ddsin*ddsin)*log(zsig) |
---|
| 202 | ! Profil stratospherique isotherme (+vortex) |
---|
| 203 | w_pv=(1.-tanh((rlatu(j)-phi_pv)/dphi_pv))/2. |
---|
| 204 | tetastrat=tetastrat*(1.-w_pv)+tetapv*w_pv |
---|
| 205 | tetajl(j,l)=MAX(tetajl(j,l),tetastrat) |
---|
| 206 | ENDDO |
---|
[1403] | 207 | ENDDO ! of DO l=1,llm |
---|
[1437] | 208 | |
---|
| 209 | ! CALL writefield('theta_eq',tetajl) |
---|
[630] | 210 | |
---|
[1403] | 211 | do l=1,llm |
---|
| 212 | do j=1,jjp1 |
---|
[1146] | 213 | do i=1,iip1 |
---|
| 214 | ij=(j-1)*iip1+i |
---|
| 215 | tetarappel(ij,l)=tetajl(j,l) |
---|
| 216 | enddo |
---|
[1403] | 217 | enddo |
---|
| 218 | enddo |
---|
[630] | 219 | |
---|
[1446] | 220 | |
---|
| 221 | ! else |
---|
| 222 | ! write(lunout,*)"iniacademic: planet types other than earth", |
---|
| 223 | ! & " not implemented (yet)." |
---|
| 224 | ! stop |
---|
| 225 | ! endif ! of if (planet_type=="earth") |
---|
| 226 | |
---|
[1437] | 227 | ! 3. Initialize fields (if necessary) |
---|
| 228 | IF (.NOT. read_start) THEN |
---|
| 229 | ! surface pressure |
---|
| 230 | ps(:)=preff |
---|
| 231 | ! ground geopotential |
---|
| 232 | phis(:)=0. |
---|
| 233 | |
---|
| 234 | CALL pression ( ip1jmp1, ap, bp, ps, p ) |
---|
| 235 | CALL exner_hyb( ip1jmp1, ps, p,alpha,beta, pks, pk, pkf ) |
---|
| 236 | CALL massdair(p,masse) |
---|
[630] | 237 | |
---|
[1437] | 238 | ! bulk initialization of temperature |
---|
| 239 | teta(:,:)=tetarappel(:,:) |
---|
| 240 | |
---|
| 241 | ! geopotential |
---|
| 242 | CALL geopot(ip1jmp1,teta,pk,pks,phis,phi) |
---|
| 243 | |
---|
| 244 | ! winds |
---|
| 245 | if (ok_geost) then |
---|
| 246 | call ugeostr(phi,ucov) |
---|
| 247 | else |
---|
| 248 | ucov(:,:)=0. |
---|
| 249 | endif |
---|
| 250 | vcov(:,:)=0. |
---|
| 251 | |
---|
| 252 | ! bulk initialization of tracers |
---|
[1446] | 253 | if (planet_type=="earth") then |
---|
| 254 | ! Earth: first two tracers will be water |
---|
| 255 | do i=1,nqtot |
---|
| 256 | if (i.eq.1) q(:,:,i)=1.e-10 |
---|
| 257 | if (i.eq.2) q(:,:,i)=1.e-15 |
---|
| 258 | if (i.gt.2) q(:,:,i)=0. |
---|
| 259 | enddo |
---|
| 260 | else |
---|
| 261 | q(:,:,:)=0 |
---|
| 262 | endif ! of if (planet_type=="earth") |
---|
[630] | 263 | |
---|
[1437] | 264 | ! add random perturbation to temperature |
---|
| 265 | idum = -1 |
---|
| 266 | zz = ran1(idum) |
---|
| 267 | idum = 0 |
---|
| 268 | do l=1,llm |
---|
| 269 | do ij=iip2,ip1jm |
---|
| 270 | teta(ij,l)=teta(ij,l)*(1.+0.005*ran1(idum)) |
---|
| 271 | enddo |
---|
[1403] | 272 | enddo |
---|
[630] | 273 | |
---|
[1446] | 274 | ! maintain periodicity in longitude |
---|
[1437] | 275 | do l=1,llm |
---|
| 276 | do ij=1,ip1jmp1,iip1 |
---|
| 277 | teta(ij+iim,l)=teta(ij,l) |
---|
| 278 | enddo |
---|
[1403] | 279 | enddo |
---|
[630] | 280 | |
---|
[1437] | 281 | ENDIF ! of IF (.NOT. read_start) |
---|
[1403] | 282 | endif ! of if (iflag_phys.eq.2) |
---|
| 283 | |
---|
[630] | 284 | END |
---|
| 285 | c----------------------------------------------------------------------- |
---|