| 1 |
C $Header: /u/gcmpack/MITgcm/model/src/ini_p_ground.F,v 1.3 2002/11/06 03:45:46 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_OPTIONS.h" |
| 5 |
#undef CHECK_ANALYLIC_THETA |
| 6 |
|
| 7 |
CBOP |
| 8 |
C !ROUTINE: INI_P_GROUND |
| 9 |
C !INTERFACE: |
| 10 |
SUBROUTINE INI_P_GROUND(selectMode, |
| 11 |
& Hfld, Pfld, |
| 12 |
I myThid ) |
| 13 |
C !DESCRIPTION: \bv |
| 14 |
C *==========================================================* |
| 15 |
C | SUBROUTINE INI_P_GROUND |
| 16 |
C | o Convert Topography [m] to (reference) Surface Pressure |
| 17 |
C | according to tRef profile, |
| 18 |
C | using same discretisation as in calc_phi_hyd |
| 19 |
C | |
| 20 |
C *==========================================================* |
| 21 |
C \ev |
| 22 |
|
| 23 |
C !USES: |
| 24 |
IMPLICIT NONE |
| 25 |
C == Global variables == |
| 26 |
#include "SIZE.h" |
| 27 |
#include "GRID.h" |
| 28 |
#include "EEPARAMS.h" |
| 29 |
#include "PARAMS.h" |
| 30 |
#include "SURFACE.h" |
| 31 |
|
| 32 |
C !INPUT/OUTPUT PARAMETERS: |
| 33 |
C == Routine arguments == |
| 34 |
C selectMode :: 0 = find Pfld from Hfld using Theta_Ref profile |
| 35 |
C 1 = find Pfld from Hfld using Analytic fct Theta(Lat,P) |
| 36 |
C -1 = compute Hfld from Pfld using Analytic Theta(Lat,P) |
| 37 |
C Hfld (input/outp) :: Ground elevation [m] |
| 38 |
C Pfld (outp/input) :: reference Pressure at the ground [Pa] |
| 39 |
INTEGER selectMode |
| 40 |
_RS Hfld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 41 |
_RS Pfld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 42 |
INTEGER myThid |
| 43 |
|
| 44 |
C !LOCAL VARIABLES: |
| 45 |
C == Local variables == |
| 46 |
C msgBuf :: Informational/error meesage buffer |
| 47 |
C- |
| 48 |
C For an accurate definition of the reference surface pressure, |
| 49 |
C define a High vertical resolution (in P): |
| 50 |
C nLevHvR :: Number of P-level used for High vertical Resolution (HvR) |
| 51 |
C plowHvR :: Lower bound of the High vertical Resolution |
| 52 |
C dpHvR :: normalized pressure increment (HvR) |
| 53 |
C pLevHvR :: normalized P-level of the High vertical Resolution |
| 54 |
C pMidHvR :: normalized mid point level (HvR) |
| 55 |
C thetaHvR :: potential temperature at mid point level (HvR) |
| 56 |
C PiHvR :: Exner function at P-level |
| 57 |
C dPiHvR :: Exner function difference between 2 P-levels |
| 58 |
C recip_kappa :: 1/kappa = Cp/R |
| 59 |
C PiLoc, zLoc, dzLoc, yLatLoc, phiLoc :: hold on temporary values |
| 60 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 61 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 62 |
INTEGER bi,bj,i,j,K, Ks |
| 63 |
_RL ddPI, Po_surf |
| 64 |
_RL phiRef(2*Nr+1), rHalf(2*Nr+1) |
| 65 |
|
| 66 |
INTEGER nLevHvR |
| 67 |
PARAMETER ( nLevHvR = 60 ) |
| 68 |
_RL plowHvR, dpHvR, pLevHvR(nLevHvR+1), pMidHvR(nLevHvR) |
| 69 |
_RL thetaHvR(nLevHvR), PiHvR(nLevHvR+1), dPiHvR(nLevHvR) |
| 70 |
_RL recip_kappa, PiLoc, zLoc, dzLoc, yLatLoc, phiLoc |
| 71 |
INTEGER kLev |
| 72 |
#ifdef CHECK_ANALYLIC_THETA |
| 73 |
_RL tmpVar(nLevAn,61) |
| 74 |
#endif |
| 75 |
CEOP |
| 76 |
|
| 77 |
IF ( selectFindRoSurf.LT.0 .OR. selectFindRoSurf.GT.1 ) THEN |
| 78 |
WRITE(msgBuf,'(A,I2,A)') |
| 79 |
& 'INI_P_GROUND: selectFindRoSurf =', selectFindRoSurf, |
| 80 |
& ' <== bad value !' |
| 81 |
CALL PRINT_ERROR( msgBuf , myThid) |
| 82 |
STOP 'INI_P_GROUND' |
| 83 |
ENDIF |
| 84 |
|
| 85 |
DO K=1,Nr |
| 86 |
rHalf(2*K-1) = rF(K) |
| 87 |
rHalf(2*K) = rC(K) |
| 88 |
ENDDO |
| 89 |
rHalf(2*Nr+1) = rF(Nr+1) |
| 90 |
|
| 91 |
IF (selectMode .LE. 0) THEN |
| 92 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 93 |
C- Compute Reference Geopotential at Half levels : |
| 94 |
C Tracer level: phiRef(2K) ; Interface_W level: phiRef(2K+1) |
| 95 |
|
| 96 |
phiRef(1) = 0. |
| 97 |
|
| 98 |
IF (integr_GeoPot.EQ.1) THEN |
| 99 |
C- Finite Volume Form, linear by half level : |
| 100 |
DO K=1,2*Nr |
| 101 |
Ks = (K+1)/2 |
| 102 |
ddPI=atm_Cp*( ((rHalf( K )/atm_Po)**atm_kappa) |
| 103 |
& -((rHalf(K+1)/atm_Po)**atm_kappa) ) |
| 104 |
phiRef(K+1) = phiRef(K)+ddPI*tRef(Ks) |
| 105 |
ENDDO |
| 106 |
C------ |
| 107 |
ELSE |
| 108 |
C- Finite Difference Form, linear between Tracer level : |
| 109 |
C works with integr_GeoPot = 0, 2 or 3 |
| 110 |
K = 1 |
| 111 |
ddPI=atm_Cp*( ((rF(K)/atm_Po)**atm_kappa) |
| 112 |
& -((rC(K)/atm_Po)**atm_kappa) ) |
| 113 |
phiRef(2*K) = phiRef(1) + ddPI*tRef(K) |
| 114 |
DO K=1,Nr-1 |
| 115 |
ddPI=atm_Cp*( ((rC( K )/atm_Po)**atm_kappa) |
| 116 |
& -((rC(K+1)/atm_Po)**atm_kappa) ) |
| 117 |
phiRef(2*K+1) = phiRef(2*K) + ddPI*0.5*tRef(K) |
| 118 |
phiRef(2*K+2) = phiRef(2*K) |
| 119 |
& + ddPI*0.5*(tRef(K)+tRef(K+1)) |
| 120 |
ENDDO |
| 121 |
K = Nr |
| 122 |
ddPI=atm_Cp*( ((rC( K )/atm_Po)**atm_kappa) |
| 123 |
& -((rF(K+1)/atm_Po)**atm_kappa) ) |
| 124 |
phiRef(2*K+1) = phiRef(2*K) + ddPI*tRef(K) |
| 125 |
C------ |
| 126 |
ENDIF |
| 127 |
|
| 128 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 129 |
|
| 130 |
C- Convert phiRef to Z unit : |
| 131 |
DO K=1,2*Nr+1 |
| 132 |
phiRef(K) = phiRef(K)*recip_gravity |
| 133 |
ENDDO |
| 134 |
|
| 135 |
_BEGIN_MASTER( myThid ) |
| 136 |
C- Write to check : |
| 137 |
WRITE(standardMessageUnit,'(2A)') |
| 138 |
& 'INI_P_GROUND: PhiRef/g [m] at Center (integer) ', |
| 139 |
& 'and Interface (half-int.) levels:' |
| 140 |
DO K=1,2*Nr+1 |
| 141 |
WRITE(standardMessageUnit,'(A,F5.1,A,F10.1,A,F12.3)') |
| 142 |
& ' K=',K*0.5,' ; r=',rHalf(K),' ; phiRef/g=', phiRef(K) |
| 143 |
ENDDO |
| 144 |
_END_MASTER( myThid ) |
| 145 |
|
| 146 |
C-- endif selectMode =< 0 |
| 147 |
ENDIF |
| 148 |
|
| 149 |
IF (selectMode .EQ. 0) THEN |
| 150 |
C- Find Po_surf : Linear between 2 half levels : |
| 151 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 152 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 153 |
DO j=1,sNy |
| 154 |
DO i=1,sNx |
| 155 |
Ks = 1 |
| 156 |
DO K=1,2*Nr |
| 157 |
IF (Hfld(i,j,bi,bj).GE.phiRef(K)) Ks = K |
| 158 |
ENDDO |
| 159 |
Po_surf = rHalf(Ks) + (rHalf(Ks+1)-rHalf(Ks))* |
| 160 |
& (Hfld(i,j,bi,bj)-phiRef(Ks))/(phiRef(Ks+1)-phiRef(Ks)) |
| 161 |
|
| 162 |
c IF (Hfld(i,j,bi,bj).LT.phiRef(1)) Po_surf= rHalf(1) |
| 163 |
c IF (Hfld(i,j,bi,bj).GT.phiRef(2*Nr+1)) Po_surf=rHalf(2*Nr+1) |
| 164 |
Pfld(i,j,bi,bj) = Po_surf |
| 165 |
ENDDO |
| 166 |
ENDDO |
| 167 |
ENDDO |
| 168 |
ENDDO |
| 169 |
|
| 170 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 171 |
C-- endif selectMode=0 |
| 172 |
ENDIF |
| 173 |
|
| 174 |
IF (abs(selectMode) .EQ. 1) THEN |
| 175 |
C-- define high resolution Pressure discretization: |
| 176 |
|
| 177 |
recip_kappa = 1. _d 0 / atm_kappa |
| 178 |
plowHvR = 0.4 _d 0 |
| 179 |
dpHvR = nLevHvR |
| 180 |
dpHvR = (1. - plowHvR) / dpHvR |
| 181 |
pLevHvR(1)= Ro_SeaLevel/atm_Po |
| 182 |
PiHvR(1) = atm_Cp*(pLevHvR(1)**atm_kappa) |
| 183 |
DO k=1,nLevHvR |
| 184 |
pLevHvR(k+1)= pLevHvR(1) - float(k)*dpHvR |
| 185 |
PiHvR(k+1) = atm_Cp*(pLevHvR(k+1)**atm_kappa) |
| 186 |
pMidHvR(k)= (pLevHvR(k)+pLevHvR(k+1))*0.5 _d 0 |
| 187 |
dPiHvR(k) = PiHvR(k) - PiHvR(k+1) |
| 188 |
ENDDO |
| 189 |
|
| 190 |
#ifdef CHECK_ANALYLIC_THETA |
| 191 |
_BEGIN_MASTER( mythid ) |
| 192 |
DO j=1,61 |
| 193 |
yLatLoc =-90.+(j-1)*3. |
| 194 |
CALL ANALYLIC_THETA( yLatLoc , pMidHvR, |
| 195 |
& tmpVar(1,j), nLevHvR, mythid) |
| 196 |
ENDDO |
| 197 |
OPEN(88,FILE='analytic_theta', |
| 198 |
& STATUS='unknown',FORM='unformatted') |
| 199 |
WRITE(88) tmpVar |
| 200 |
CLOSE(88) |
| 201 |
_END_MASTER( mythid ) |
| 202 |
STOP 'CHECK_ANALYLIC_THETA' |
| 203 |
#endif /* CHECK_ANALYLIC_THETA */ |
| 204 |
|
| 205 |
C-- endif |selectMode|=1 |
| 206 |
ENDIF |
| 207 |
|
| 208 |
IF (selectMode .EQ. 1) THEN |
| 209 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 210 |
C- Find Po_surf such as g*Hfld = Phi[Po_surf,theta(yLat,p)]: |
| 211 |
|
| 212 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 213 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 214 |
C- start bi,bj loop: |
| 215 |
DO j=1,sNy |
| 216 |
DO i=1,sNx |
| 217 |
IF ( Hfld(i,j,bi,bj) .LE. 0. _d 0) THEN |
| 218 |
Pfld(i,j,bi,bj) = Ro_SeaLevel |
| 219 |
ELSE |
| 220 |
yLatLoc = yC(i,j,bi,bj) |
| 221 |
CALL ANALYLIC_THETA( yLatLoc , pMidHvR, |
| 222 |
& thetaHvR, nLevHvR, mythid) |
| 223 |
zLoc = 0. |
| 224 |
DO k=1,nLevHvR |
| 225 |
IF (zLoc.GE.0.) THEN |
| 226 |
C- compute phi/g corresponding to next p_level: |
| 227 |
dzLoc = dPiHvR(k)*thetaHvR(k)*recip_gravity |
| 228 |
IF ( Hfld(i,j,bi,bj) .LE. zLoc+dzLoc ) THEN |
| 229 |
C- compute the normalized surf. Pressure Po_surf |
| 230 |
PiLoc = PiHvR(k) |
| 231 |
& - gravity*(Hfld(i,j,bi,bj)-zLoc)/thetaHvR(k) |
| 232 |
Po_surf = (PiLoc/atm_Cp)**recip_kappa |
| 233 |
C- use linear interpolation: |
| 234 |
c Po_surf = pLevHvR(k) |
| 235 |
c & - dpHvR*(Hfld(i,j,bi,bj)-zLoc)/dzLoc |
| 236 |
zLoc = -1. |
| 237 |
ELSE |
| 238 |
zLoc = zLoc + dzLoc |
| 239 |
ENDIF |
| 240 |
ENDIF |
| 241 |
ENDDO |
| 242 |
IF (zLoc.GE.0.) THEN |
| 243 |
WRITE(msgBuf,'(2A)') |
| 244 |
& 'INI_P_GROUND: FAIL in trying to find Pfld:', |
| 245 |
& ' selectMode,i,j,bi,bj=',selectMode,i,j,bi,bj |
| 246 |
CALL PRINT_ERROR( msgBuf , myThid) |
| 247 |
WRITE(msgBuf,'(A,F7.1,2A,F6.4,A,F8.0)') |
| 248 |
& 'INI_P_GROUND: Hfld=', Hfld(i,j,bi,bj), ' exceeds', |
| 249 |
& ' Zloc(lowest P=', pLevHvR(1+nLevHvR),' )=',zLoc |
| 250 |
CALL PRINT_ERROR( msgBuf , myThid) |
| 251 |
STOP 'ABNORMAL END: S/R INI_P_GROUND' |
| 252 |
ELSE |
| 253 |
Pfld(i,j,bi,bj) = Po_surf*atm_Po |
| 254 |
ENDIF |
| 255 |
ENDIF |
| 256 |
ENDDO |
| 257 |
ENDDO |
| 258 |
C- end bi,bj loop. |
| 259 |
ENDDO |
| 260 |
ENDDO |
| 261 |
|
| 262 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 263 |
C-- endif selectMode=1 |
| 264 |
ENDIF |
| 265 |
|
| 266 |
IF (selectMode .EQ. -1) THEN |
| 267 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 268 |
C goal: evaluate phi0surf (used for computing geopotential'= Phi - PhiRef): |
| 269 |
C phi0surf = g*Ztopo-PhiRef(Ro_surf) if no truncation was applied to Ro_surf; |
| 270 |
C but because of hFacMin, surf.ref.pressure (=Ro_surf) is truncated and |
| 271 |
C phi0surf = Phi(Theta-Analytic,P=Ro_surf) - PhiRef(P=Ro_surf) |
| 272 |
C----- |
| 273 |
|
| 274 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 275 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 276 |
C- start bi,bj loop: |
| 277 |
|
| 278 |
C-- Compute Hfld from g*Hfld = Phi[Po_surf,theta(yLat,p)]: |
| 279 |
DO j=1,sNy |
| 280 |
DO i=1,sNx |
| 281 |
IF ( Pfld(i,j,bi,bj) .GE. Ro_SeaLevel) THEN |
| 282 |
Hfld(i,j,bi,bj) = 0. |
| 283 |
ELSE |
| 284 |
Po_surf = Pfld(i,j,bi,bj)/atm_Po |
| 285 |
kLev = 1 + INT( (pLevHvR(1)-Po_surf)/dpHvR ) |
| 286 |
yLatLoc = yC(i,j,bi,bj) |
| 287 |
CALL ANALYLIC_THETA( yLatLoc , pMidHvR, |
| 288 |
& thetaHvR, kLev, mythid) |
| 289 |
C- compute height at level pLev(kLev) just below Pfld: |
| 290 |
zLoc = 0. |
| 291 |
DO k=1,kLev-1 |
| 292 |
dzLoc = dPiHvR(k)*thetaHvR(k)*recip_gravity |
| 293 |
zLoc = zLoc + dzLoc |
| 294 |
ENDDO |
| 295 |
dzLoc = ( PiHvR(kLev)-atm_Cp*(Po_surf**atm_kappa) ) |
| 296 |
& * thetaHvR(kLev)*recip_gravity |
| 297 |
Hfld(i,j,bi,bj) = zLoc + dzLoc |
| 298 |
ENDIF |
| 299 |
ENDDO |
| 300 |
ENDDO |
| 301 |
|
| 302 |
C-- compute phi0surf (stored in Hfld): |
| 303 |
DO j=1,sNy |
| 304 |
DO i=1,sNx |
| 305 |
C- compute phiLoc = PhiRef(Ro_surf): |
| 306 |
ks = ksurfC(i,j,bi,bj) |
| 307 |
IF (ks.LE.Nr) THEN |
| 308 |
IF ( Pfld(i,j,bi,bj).GE.rC(ks) ) THEN |
| 309 |
phiLoc = phiRef(2*ks) |
| 310 |
& + (phiRef(2*ks-1)-phiRef(2*ks)) |
| 311 |
& *(Pfld(i,j,bi,bj)-rC(ks))/(rHalf(2*ks-1)-rHalf(2*ks)) |
| 312 |
ELSE |
| 313 |
phiLoc = phiRef(2*ks) |
| 314 |
& + (phiRef(2*ks+1)-phiRef(2*ks)) |
| 315 |
& *(Pfld(i,j,bi,bj)-rC(ks))/(rHalf(2*ks+1)-rHalf(2*ks)) |
| 316 |
ENDIF |
| 317 |
Hfld(i,j,bi,bj) = gravity*(Hfld(i,j,bi,bj) - phiLoc) |
| 318 |
ELSE |
| 319 |
Hfld(i,j,bi,bj) = 0. |
| 320 |
ENDIF |
| 321 |
ENDDO |
| 322 |
ENDDO |
| 323 |
C- end bi,bj loop. |
| 324 |
ENDDO |
| 325 |
ENDDO |
| 326 |
|
| 327 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 328 |
C-- endif selectMode=-1 |
| 329 |
ENDIF |
| 330 |
|
| 331 |
RETURN |
| 332 |
END |
| 333 |
|
| 334 |
CBOP |
| 335 |
C !SUBROUTINE: ANALYLIC_THETA |
| 336 |
C !INTERFACE: |
| 337 |
SUBROUTINE ANALYLIC_THETA( yLat, pNlev, |
| 338 |
O thetaLev, |
| 339 |
I kSize,myThid) |
| 340 |
|
| 341 |
C !DESCRIPTION: \bv |
| 342 |
C *==========================================================* |
| 343 |
C | SUBROUTINE ANALYLIC_THETA |
| 344 |
C | o Conpute analyticaly the potential temperature Theta |
| 345 |
C | as a function of Latitude (yLat) and normalized |
| 346 |
C | pressure pNlev. |
| 347 |
C | approximatively match the N-S symetric, zonal-mean and |
| 348 |
C | annual-mean NCEP climatology in the troposphere. |
| 349 |
C *==========================================================* |
| 350 |
C \ev |
| 351 |
|
| 352 |
C !USES: |
| 353 |
IMPLICIT NONE |
| 354 |
|
| 355 |
C == Global variables == |
| 356 |
#include "SIZE.h" |
| 357 |
#include "EEPARAMS.h" |
| 358 |
#include "PARAMS.h" |
| 359 |
|
| 360 |
C !INPUT/OUTPUT PARAMETERS: |
| 361 |
C == Routine arguments == |
| 362 |
C yLat :: latitude (degre) |
| 363 |
C pNlev :: normalized pressure levels |
| 364 |
C kSize :: dimension of pNlev & ANALYLIC_THETA |
| 365 |
C myThid :: Thread number for this instance of the routine |
| 366 |
INTEGER kSize |
| 367 |
_RL yLat |
| 368 |
_RL pNlev (kSize) |
| 369 |
_RL thetaLev(kSize) |
| 370 |
INTEGER myThid |
| 371 |
|
| 372 |
C !LOCAL VARIABLES: |
| 373 |
C == Local variables == |
| 374 |
INTEGER k |
| 375 |
_RL yyA, yyB, yyC, yyAd, yyBd, yyCd |
| 376 |
_RL cAtmp, cBtmp, ttdC |
| 377 |
_RL ppN0, ppN1, ppN2, ppN3a, ppN3b, ppN4 |
| 378 |
_RL ttp1, ttp2, ttp3, ttp4, ttp5 |
| 379 |
_RL yAtmp, yBtmp, yCtmp, yDtmp |
| 380 |
_RL ttp2y, ttp4y, a1tmp |
| 381 |
_RL ppl, ppm, pph, ppr |
| 382 |
|
| 383 |
CEOP |
| 384 |
|
| 385 |
DATA yyA , yyB , yyC , yyAd , yyBd , yyCd |
| 386 |
& / 45. _d 0, 65. _d 0, 65. _d 0, .9 _d 0, .9 _d 0, 10. _d 0 / |
| 387 |
DATA cAtmp , cBtmp , ttdC |
| 388 |
& / 2.6 _d 0, 1.5 _d 0, 3.3 _d 0 / |
| 389 |
DATA ppN0 , ppN1 , ppN2 , ppN3a , ppN3b , ppN4 |
| 390 |
& / .1 _d 0, .19 _d 0, .3 _d 0, .9 _d 0, .7 _d 0, .925 _d 0 / |
| 391 |
DATA ttp1 , ttp2 , ttp3 , ttp4 , ttp5 |
| 392 |
& / 350. _d 0, 342. _d 0, 307. _d 0, 301. _d 0, 257. _d 0 / |
| 393 |
|
| 394 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 395 |
|
| 396 |
yAtmp = ABS(yLat) - yyA |
| 397 |
yAtmp = yyA + MIN(0. _d 0,yAtmp/yyAd) + MAX(yAtmp, 0. _d 0) |
| 398 |
yAtmp = COS( deg2rad*MAX(yAtmp, 0. _d 0) ) |
| 399 |
yBtmp = ABS(yLat) - yyB |
| 400 |
yBtmp = yyB + yBtmp/yyBd |
| 401 |
yBtmp = COS( deg2rad*MAX( 0. _d 0, MIN(yBtmp,90. _d 0) ) ) |
| 402 |
yCtmp = ABS(yLat) - yyC |
| 403 |
yCtmp = MAX( 0. _d 0, 1. _d 0 - (yCtmp/yyCd)**2 ) |
| 404 |
yDtmp = ppN3a +(ppN3b - ppN3a)*yCtmp |
| 405 |
ttp2y = ttp3 + (ttp2-ttp3)*yAtmp**cAtmp |
| 406 |
ttp4y = ttp5 + (ttp4-ttp5)*yBtmp**cBtmp |
| 407 |
a1tmp = (ttp1-ttp2y)*ppN1*ppN2/(ppN2-ppN1) |
| 408 |
DO k=1,kSize |
| 409 |
ppl = MIN(pNlev(k),ppN1) |
| 410 |
ppm = MIN(MAX(pNlev(k),ppN1),ppN2) |
| 411 |
pph = MAX(pNlev(k),ppN2) |
| 412 |
ppr =( ppN0 + ABS(ppl-ppN0) - ppN1 )/(ppN2-ppN1) |
| 413 |
thetaLev(k) = |
| 414 |
& ( (1. _d 0 -ppr)*ttp1*ppN1**atm_kappa |
| 415 |
& + ppr*ttp2y*ppN2**atm_kappa |
| 416 |
& )*ppl**(-atm_kappa) |
| 417 |
& + a1tmp*(1. _d 0 /ppm - 1. _d 0/ppN1) |
| 418 |
& + (ttp4y-ttp2y)*(pph-ppN2)/(ppN4-ppN2) |
| 419 |
& + (ttdC+yCtmp)*MAX(0. _d 0,pNlev(k)-yDtmp)/(1-yDtmp) |
| 420 |
ENDDO |
| 421 |
|
| 422 |
C--------------------------------------------------- |
| 423 |
C matlab script, input: pN, yp=abs(yLat) |
| 424 |
C pN0=.1; pN1=.19 ; pN2=.3; pN4=.925; |
| 425 |
C pm=min(max(pN,pN1),pN2); pp=max(pN,pN2); |
| 426 |
C pl=min(pN,pN1); pr=(pN0+abs(pl-pN0)-pN1)/(pN2-pN1); |
| 427 |
C |
| 428 |
C yA=yp-45; yA=45+min(0,yA/.9)+max(0,yA); yA=max(0,yA); cosyA=cos(yA*rad) ; |
| 429 |
C yB=yp-65; yB=65+yB/.9; yB=min(max(0,yB),90); cosyB=cos(yB*rad) ; |
| 430 |
C tp1=350*ones(nyA,1); |
| 431 |
C tp2=307+(342-307)*cosyA.^2.6; |
| 432 |
C tp4=257+(301-257)*cosyB.^1.5; |
| 433 |
C a1=(tp1-tp2)*pN1*pN2/(pN2-pN1); |
| 434 |
C pF=max(0,1.-((yp-65)/10).^2); pT=.9+(0.7-.9)*pF; |
| 435 |
C |
| 436 |
C tA0=((1-pr(k))*tp1(j)*pN1^kappa+pr(k)*tp2(j)*pN2^kappa)*pl(k)^-kappa; |
| 437 |
C tA1=a1(j)*(1./pm(k)-1./pN1); |
| 438 |
C tA2=(tp4(j)-tp2(j))*(pp(k)-pN2)/(pN4-pN2); |
| 439 |
C tA3=(3.3+pF(j))*max(0,pN(k)-pT(j))/(1-pT(j)); |
| 440 |
C tAn(j,k)=tA0+tA1+tA2+tA3; |
| 441 |
C--------------------------------------------------- |
| 442 |
|
| 443 |
RETURN |
| 444 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph