[2136] | 1 | !************************************************************************ |
---|
| 2 | ! Fortran 95 OPA Nesting tools * |
---|
| 3 | ! * |
---|
| 4 | ! Copyright (C) 2005 Florian Lemarié (Florian.Lemarie@imag.fr) * |
---|
| 5 | ! * |
---|
| 6 | !************************************************************************ |
---|
| 7 | ! |
---|
| 8 | MODULE agrif_interpolation |
---|
| 9 | ! |
---|
| 10 | USE agrif_types |
---|
| 11 | USE io_netcdf |
---|
| 12 | USE bicubic_interp |
---|
| 13 | USE bilinear_interp |
---|
| 14 | USE agrif_extrapolation |
---|
| 15 | USE agrif_readwrite |
---|
| 16 | ! |
---|
| 17 | ! |
---|
| 18 | !************************************************************************ |
---|
| 19 | ! * |
---|
| 20 | ! MODULE AGRIF_INTERPOLATION * |
---|
| 21 | ! * |
---|
| 22 | ! module containing subroutine used for : * |
---|
| 23 | ! - Forcing data interpolation * |
---|
[2455] | 24 | ! - Parent to Child coordinates interpolation * |
---|
[2136] | 25 | ! * |
---|
| 26 | !************************************************************************ |
---|
| 27 | ! |
---|
| 28 | ! |
---|
| 29 | CONTAINS |
---|
| 30 | ! |
---|
| 31 | ! |
---|
| 32 | !**************************************************************** |
---|
| 33 | ! subroutine agrif_interp * |
---|
| 34 | ! * |
---|
[2455] | 35 | ! subroutine to interpolate coordinates * |
---|
[2136] | 36 | ! * |
---|
| 37 | ! - input : * |
---|
[2455] | 38 | ! tabin : coarse grid coordinate variable * |
---|
[2136] | 39 | ! typevar : position of interpolated variable on cells * |
---|
| 40 | ! * |
---|
| 41 | ! - ouput : * |
---|
| 42 | ! tabout : coordinate variable interpolated on fine grid * |
---|
| 43 | ! * |
---|
| 44 | !**************************************************************** |
---|
| 45 | ! |
---|
| 46 | SUBROUTINE agrif_interp(tabin,tabout,typevar) |
---|
| 47 | ! |
---|
| 48 | REAL*8,DIMENSION(:,:) :: tabin,tabout |
---|
| 49 | CHARACTER(*) :: typevar |
---|
| 50 | REAL*8 :: cff1 |
---|
| 51 | INTEGER :: ii,jj |
---|
| 52 | REAL*8,DIMENSION(:,:),ALLOCATABLE :: tabouttemp |
---|
| 53 | ! |
---|
| 54 | ! |
---|
| 55 | ! |
---|
| 56 | CALL agrif_base_interp2(tabin,tabout,imin,jmin,typevar) |
---|
| 57 | |
---|
| 58 | ! |
---|
| 59 | END SUBROUTINE agrif_interp |
---|
| 60 | ! |
---|
| 61 | !******************************************************** |
---|
| 62 | ! subroutine agrif_base_interp2 * |
---|
| 63 | !******************************************************** |
---|
| 64 | ! |
---|
| 65 | SUBROUTINE agrif_base_interp2(tabin,tabout,i_min,j_min,typevar) |
---|
| 66 | ! |
---|
| 67 | IMPLICIT NONE |
---|
| 68 | REAL*8,DIMENSION(:,:) :: tabin,tabout |
---|
| 69 | REAL*8 :: cff1 |
---|
| 70 | INTEGER :: i_min,j_min |
---|
| 71 | INTEGER :: ii,jj,i,j |
---|
| 72 | CHARACTER(*) :: typevar |
---|
| 73 | REAL*8,DIMENSION(:),ALLOCATABLE :: xc,yc,xf,yf |
---|
| 74 | REAL*8,DIMENSION(:,:),ALLOCATABLE :: tabtemp |
---|
| 75 | REAL*8 :: dxc,dyc,dxf,dyf |
---|
| 76 | REAL*8 :: decalxc,decalyc,decalxf,decalyf |
---|
| 77 | |
---|
| 78 | INTEGER :: ptx,pty |
---|
| 79 | REAL*8 :: val(4),xval(4) |
---|
| 80 | |
---|
| 81 | INTEGER :: nxc,nyc,nxf,nyf |
---|
| 82 | REAL :: xmin,ymin,x,y |
---|
| 83 | INTEGER :: ic,jc,itemp,jtemp |
---|
| 84 | |
---|
| 85 | nxc = SIZE(tabin,1) |
---|
| 86 | nyc = SIZE(tabin,2) |
---|
| 87 | |
---|
| 88 | nxf = SIZE(tabout,1) |
---|
| 89 | nyf = SIZE(tabout,2) |
---|
| 90 | ! |
---|
| 91 | |
---|
| 92 | ALLOCATE(xc(nxc)) |
---|
| 93 | ALLOCATE(yc(nyc)) |
---|
| 94 | ALLOCATE(xf(nxf)) |
---|
| 95 | ALLOCATE(yf(nyf)) |
---|
| 96 | |
---|
| 97 | ALLOCATE(tabtemp(nxc,nyf)) |
---|
| 98 | |
---|
| 99 | dxc = 1. |
---|
| 100 | dyc = 1. |
---|
| 101 | dxf = 1./REAL(irafx) |
---|
| 102 | dyf = 1./REAL(irafy) |
---|
| 103 | |
---|
| 104 | IF (typevar .EQ. 'F') THEN |
---|
| 105 | ptx = 2 |
---|
| 106 | pty = 2 |
---|
| 107 | decalxc = 0. |
---|
| 108 | decalyc = 0. |
---|
| 109 | decalxf = 0. |
---|
| 110 | decalyf = 0. |
---|
| 111 | ELSEIF (typevar .EQ. 'T') THEN |
---|
| 112 | ptx = 3 |
---|
| 113 | pty = 3 |
---|
| 114 | decalxc = dxc/2. |
---|
| 115 | decalyc = dyc/2. |
---|
| 116 | decalxf = dxf/2. |
---|
| 117 | decalyf = dyf/2. |
---|
| 118 | ELSEIF (typevar .EQ. 'U') THEN |
---|
| 119 | ptx = 2 |
---|
| 120 | pty = 3 |
---|
| 121 | decalxc = 0. |
---|
| 122 | decalyc = dyc/2. |
---|
| 123 | decalxf = 0. |
---|
| 124 | decalyf = dyf/2. |
---|
| 125 | ELSEIF (typevar .EQ. 'V') THEN |
---|
| 126 | ptx = 3 |
---|
| 127 | pty = 2 |
---|
| 128 | decalxc = dxc/2. |
---|
| 129 | decalyc = 0. |
---|
| 130 | decalxf = dxf/2. |
---|
| 131 | decalyf = 0. |
---|
| 132 | ENDIF |
---|
| 133 | |
---|
| 134 | DO i=1,nxc |
---|
| 135 | xc(i) = 0. + (i-ptx) * dxc + decalxc |
---|
| 136 | ENDDO |
---|
| 137 | |
---|
| 138 | DO j=1,nyc |
---|
| 139 | yc(j) = 0. + (j-pty) * dyc + decalyc |
---|
| 140 | ENDDO |
---|
| 141 | |
---|
| 142 | |
---|
| 143 | xmin = (i_min - 1) * dxc |
---|
| 144 | ymin = (j_min - 1) * dyc |
---|
| 145 | |
---|
| 146 | DO i=1,nxf |
---|
| 147 | xf(i) = xmin + (i-ptx) * dxf + decalxf |
---|
| 148 | ENDDO |
---|
| 149 | |
---|
| 150 | DO j=1,nyf |
---|
| 151 | yf(j) = ymin + (j-pty) * dyf + decalyf |
---|
| 152 | ENDDO |
---|
| 153 | |
---|
| 154 | |
---|
| 155 | DO j = 1,nyf |
---|
| 156 | DO i = 1,nxc |
---|
| 157 | x = xc(i) |
---|
| 158 | y = yf(j) |
---|
| 159 | |
---|
| 160 | ic = ptx + NINT((x-0.-decalxc)/dxc) |
---|
| 161 | jc = pty + agrif_int((y-0.-decalyc)/dyc) |
---|
| 162 | |
---|
| 163 | jc = jc - 1 |
---|
| 164 | |
---|
| 165 | CALL polint(yc(jc:jc+3),tabin(ic,jc:jc+3),4,y,tabtemp(i,j)) |
---|
| 166 | ENDDO |
---|
| 167 | ENDDO |
---|
| 168 | |
---|
| 169 | DO j = 1,nyf |
---|
| 170 | DO i = 1,nxf |
---|
| 171 | x = xf(i) |
---|
| 172 | y = yf(j) |
---|
| 173 | |
---|
| 174 | itemp = ptx + agrif_int((x-0.-decalxc)/dxc) |
---|
| 175 | jtemp = pty + NINT((y-ymin-decalyf)/dyf) |
---|
| 176 | |
---|
| 177 | itemp = itemp - 1 |
---|
| 178 | |
---|
| 179 | val = tabtemp(itemp:itemp+3,jtemp) |
---|
| 180 | xval = xc(itemp:itemp+3) |
---|
| 181 | CALL polint(xval,val,4,x,tabout(i,j)) |
---|
| 182 | |
---|
| 183 | ENDDO |
---|
| 184 | ENDDO |
---|
| 185 | |
---|
| 186 | DEALLOCATE(xc,yc,xf,yf,tabtemp) |
---|
| 187 | |
---|
| 188 | |
---|
| 189 | END SUBROUTINE agrif_base_interp2 |
---|
| 190 | ! |
---|
| 191 | !******************************************************** |
---|
| 192 | ! subroutine polint * |
---|
| 193 | !******************************************************** |
---|
| 194 | ! |
---|
| 195 | SUBROUTINE polint(xin,valin,n,x,val) |
---|
| 196 | IMPLICIT NONE |
---|
| 197 | INTEGER n |
---|
| 198 | REAL*8 xin(n), valin(n) |
---|
| 199 | REAL*8 x,val |
---|
| 200 | |
---|
| 201 | INTEGER ns,i,m |
---|
| 202 | REAL *8 dif,dift |
---|
| 203 | REAL*8 c(n),d(n),ho,hp,w,den,dy |
---|
| 204 | |
---|
| 205 | ns = 1 |
---|
| 206 | dif = ABS(x-xin(1)) |
---|
| 207 | |
---|
| 208 | DO i=1,n |
---|
| 209 | dift = ABS(x-xin(i)) |
---|
| 210 | IF (dift < dif) THEN |
---|
| 211 | ns = i |
---|
| 212 | dif = dift |
---|
| 213 | ENDIF |
---|
| 214 | c(i) = valin(i) |
---|
| 215 | d(i) = valin(i) |
---|
| 216 | ENDDO |
---|
| 217 | |
---|
| 218 | val = valin(ns) |
---|
| 219 | ns = ns - 1 |
---|
| 220 | |
---|
| 221 | DO m=1,n-1 |
---|
| 222 | DO i=1,n-m |
---|
| 223 | ho = xin(i)-x |
---|
| 224 | hp = xin(i+m)-x |
---|
| 225 | w=c(i+1)-d(i) |
---|
| 226 | den = w/(ho-hp) |
---|
| 227 | d(i) = hp * den |
---|
| 228 | c(i) = ho * den |
---|
| 229 | ENDDO |
---|
| 230 | IF (2*ns < (n-m)) THEN |
---|
| 231 | dy = c(ns+1) |
---|
| 232 | ELSE |
---|
| 233 | dy = d(ns) |
---|
| 234 | ns = ns - 1 |
---|
| 235 | ENDIF |
---|
| 236 | val = val + dy |
---|
| 237 | ENDDO |
---|
| 238 | END SUBROUTINE polint |
---|
| 239 | ! |
---|
| 240 | !******************************************************** |
---|
| 241 | ! subroutine polcoe * |
---|
| 242 | !******************************************************** |
---|
| 243 | ! |
---|
| 244 | SUBROUTINE polcoe(xin,valin,n,cof) |
---|
| 245 | IMPLICIT NONE |
---|
| 246 | INTEGER n |
---|
| 247 | REAL*8 xin(n),valin(n),cof(n) |
---|
| 248 | |
---|
| 249 | |
---|
| 250 | INTEGER i,j,k |
---|
| 251 | REAL*8 b,ff,phi,s(n) |
---|
| 252 | |
---|
| 253 | s = 0. |
---|
| 254 | cof = 0. |
---|
| 255 | |
---|
| 256 | s(n)=-xin(1) |
---|
| 257 | DO i=2,n |
---|
| 258 | DO j=n+1-i,n-1 |
---|
| 259 | s(j) =s(j) -xin(i)*s(j+1) |
---|
| 260 | ENDDO |
---|
| 261 | s(n)=s(n)-xin(i) |
---|
| 262 | ENDDO |
---|
| 263 | |
---|
| 264 | DO j=1,n |
---|
| 265 | phi=n |
---|
| 266 | DO k=n-1,1,-1 |
---|
| 267 | phi = k*s(k+1)+xin(j)*phi |
---|
| 268 | ENDDO |
---|
| 269 | ff=valin(j)/phi |
---|
| 270 | b=1. |
---|
| 271 | DO k=n,1,-1 |
---|
| 272 | cof(k)=cof(k)+b*ff |
---|
| 273 | b=s(k)+xin(j)*b |
---|
| 274 | ENDDO |
---|
| 275 | ENDDO |
---|
| 276 | |
---|
| 277 | RETURN |
---|
| 278 | END SUBROUTINE polcoe |
---|
| 279 | ! |
---|
| 280 | |
---|
| 281 | !**************************************************************** |
---|
| 282 | ! subroutine Correctforconservation * |
---|
| 283 | ! * |
---|
| 284 | ! Conservation on domain boundaries ( over 2 coarse grid cells) * |
---|
| 285 | ! * |
---|
| 286 | !**************************************************************** |
---|
| 287 | ! |
---|
| 288 | ! |
---|
| 289 | SUBROUTINE Correctforconservation(tabcoarse,tabfine,e1parent,e2parent,e1,e2,nxfin,nyfin,posvar,i_min,j_min) |
---|
| 290 | IMPLICIT NONE |
---|
| 291 | INTEGER :: nxfin,nyfin |
---|
| 292 | REAL*8,DIMENSION(:,:) :: tabcoarse,tabfine,e1parent,e2parent,e1,e2 |
---|
| 293 | CHARACTER*1 :: posvar |
---|
| 294 | INTEGER :: i_min,j_min,diff |
---|
| 295 | INTEGER ji,jj,ipt,jpt,i,j |
---|
| 296 | INTEGER ind1,ind2,ind3,ind4,ind5,ind6 |
---|
| 297 | REAL*8 cff1,cff2,cff3 |
---|
| 298 | ! |
---|
| 299 | diff = 0 |
---|
| 300 | IF ( MOD(irafx,2) .EQ. 0 ) diff = 1 |
---|
| 301 | ! |
---|
| 302 | ind1 = 2 + CEILING(irafx/2.0) + diff |
---|
| 303 | ind2 = nxfin-(2-1)-CEILING(irafx/2.0) |
---|
| 304 | ind3 = 2 + CEILING(irafy/2.0) + diff |
---|
| 305 | ind4 = nyfin-(2-1)-CEILING(irafy/2.0) |
---|
| 306 | ind5 = nxfin - 1 - irafx - CEILING(irafx/2.0) |
---|
| 307 | ind6 = nyfin - 1 - irafy - CEILING(irafy/2.0) |
---|
| 308 | ! |
---|
| 309 | IF (posvar.EQ.'T') THEN |
---|
| 310 | ! |
---|
| 311 | PRINT *,'correction' |
---|
| 312 | ! |
---|
| 313 | DO ji=ind1,ind1+irafx,irafx |
---|
| 314 | ! |
---|
| 315 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
---|
| 316 | ! |
---|
| 317 | DO jj=ind3,ind4,irafy |
---|
| 318 | ! |
---|
| 319 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
---|
| 320 | |
---|
| 321 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 322 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 323 | |
---|
| 324 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 325 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 326 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 327 | |
---|
| 328 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
---|
| 329 | |
---|
| 330 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
---|
| 331 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
---|
| 332 | |
---|
| 333 | END DO |
---|
| 334 | |
---|
| 335 | ENDDO |
---|
| 336 | !**** |
---|
| 337 | DO ji=ind5,ind5+irafx,irafx |
---|
| 338 | ! |
---|
| 339 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
---|
| 340 | |
---|
| 341 | DO jj=ind3,ind4,irafy |
---|
| 342 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
---|
| 343 | |
---|
| 344 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 345 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 346 | |
---|
| 347 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 348 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 349 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 350 | |
---|
| 351 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
---|
| 352 | |
---|
| 353 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
---|
| 354 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
---|
| 355 | |
---|
| 356 | END DO |
---|
| 357 | ENDDO |
---|
| 358 | |
---|
| 359 | DO jj=ind3,ind3+irafy,irafy |
---|
| 360 | ! |
---|
| 361 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
---|
| 362 | ! |
---|
| 363 | DO ji=ind1,ind2,irafx |
---|
| 364 | ! |
---|
| 365 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
---|
| 366 | |
---|
| 367 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 368 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 369 | |
---|
| 370 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 371 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 372 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 373 | |
---|
| 374 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
---|
| 375 | |
---|
| 376 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
---|
| 377 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
---|
| 378 | |
---|
| 379 | END DO |
---|
| 380 | ENDDO |
---|
| 381 | !**** |
---|
| 382 | DO jj=ind6,ind6+irafy,irafy |
---|
| 383 | ! |
---|
| 384 | jpt=j_min+(3-1)+(jj-ind3)/irafy |
---|
| 385 | ! |
---|
| 386 | DO ji=ind1,ind2,irafx |
---|
| 387 | ipt=i_min+(3-1)+(ji-ind1)/irafx |
---|
| 388 | |
---|
| 389 | cff1=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 390 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 391 | |
---|
| 392 | cff2=SUM(e1(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 393 | e2(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)* & |
---|
| 394 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)) |
---|
| 395 | |
---|
| 396 | cff3=e1parent(ipt,jpt)*e2parent(ipt,jpt)*tabcoarse(ipt,jpt) |
---|
| 397 | |
---|
| 398 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)= & |
---|
| 399 | tabfine(ji-FLOOR(irafx/2.0):ji+FLOOR(irafx/2.0)-diff,jj-FLOOR(irafy/2.0):jj+FLOOR(irafy/2.0)-diff)+(cff3-cff2)/cff1 |
---|
| 400 | |
---|
| 401 | END DO |
---|
| 402 | ENDDO |
---|
| 403 | ! |
---|
| 404 | ! |
---|
| 405 | ENDIF |
---|
| 406 | RETURN |
---|
| 407 | END SUBROUTINE Correctforconservation |
---|
| 408 | |
---|
| 409 | ! |
---|
| 410 | !**************************************************************** |
---|
| 411 | ! subroutine Interp_Extrap_var * |
---|
| 412 | ! * |
---|
| 413 | ! Interpolation and Extrapolation for temperature and salinity * |
---|
| 414 | ! * |
---|
| 415 | ! -input : * |
---|
| 416 | ! filename : file containing variable to interpolate * |
---|
| 417 | ! * |
---|
| 418 | !**************************************************************** |
---|
| 419 | ! |
---|
| 420 | SUBROUTINE Interp_Extrap_var(filename, cd_type) |
---|
| 421 | ! |
---|
| 422 | IMPLICIT NONE |
---|
| 423 | ! |
---|
| 424 | ! variables declaration |
---|
| 425 | ! |
---|
| 426 | CHARACTER(len=80),INTENT(in) :: filename |
---|
| 427 | CHARACTER(len=1 ), OPTIONAL, INTENT(in) :: cd_type |
---|
| 428 | |
---|
| 429 | CHARACTER*100 :: interp_type |
---|
| 430 | CHARACTER*100 :: Child_file,Childcoordinates |
---|
| 431 | CHARACTER*100 :: varname,childbathy |
---|
| 432 | CHARACTER*1 :: posvar |
---|
| 433 | CHARACTER*20,DIMENSION(:),POINTER :: Ncdf_varname |
---|
| 434 | CHARACTER(len=20),DIMENSION(4) :: dimnames |
---|
| 435 | ! |
---|
| 436 | REAL*8, POINTER, DIMENSION(:,:) :: lonParent,latParent => NULL() |
---|
| 437 | REAL*8, POINTER, DIMENSION(:,:) :: lonChild,latChild,latlon_temp => NULL() |
---|
| 438 | REAL*8, POINTER, DIMENSION(:,:,:,:) :: tabinterp4d,tabvar1,tabvar2,tabvar3 => NULL() |
---|
| 439 | REAL*8, POINTER, DIMENSION(:,:,:) :: tabinterp3d,tabvar3d => NULL() |
---|
| 440 | REAL*8, POINTER, DIMENSION(:) :: timedepth_temp,depth => NULL() |
---|
| 441 | REAL*8,DIMENSION(:,:),POINTER :: matrix => NULL() |
---|
| 442 | INTEGER,DIMENSION(:),POINTER :: src_add,dst_add => NULL() |
---|
| 443 | INTEGER, POINTER, DIMENSION(:) :: tabtemp1DInt => NULL() |
---|
| 444 | REAL*8, POINTER, DIMENSION(:) :: nav_lev => NULL() |
---|
| 445 | ! |
---|
| 446 | LOGICAL, DIMENSION(:,:,:), POINTER :: detected_pts => NULL() |
---|
| 447 | REAL*8,DIMENSION(:,:,:),POINTER :: mask => NULL() |
---|
| 448 | LOGICAL,DIMENSION(:,:),POINTER :: masksrc => NULL() |
---|
| 449 | LOGICAL :: Interpolation,conservation,Pacifique,Extrapolation,land_level |
---|
| 450 | ! |
---|
| 451 | INTEGER :: deptht,time,i,status,ncid,t,ii,j,nb,numlon,numlat |
---|
| 452 | |
---|
| 453 | ! |
---|
| 454 | TYPE(Coordinates) :: G0,G1 |
---|
| 455 | ! |
---|
| 456 | !***************** |
---|
| 457 | !If coarse grid is masked possibility to activate an extrapolation process |
---|
| 458 | ! |
---|
| 459 | Extrapolation = .FALSE. |
---|
| 460 | PRINT*,'DEBUT INTERP_EXTRAP_VAR' |
---|
| 461 | ! |
---|
| 462 | !***************** |
---|
| 463 | ! |
---|
| 464 | ! check grid position |
---|
| 465 | ! |
---|
| 466 | IF( PRESENT(cd_type) ) THEN |
---|
| 467 | posvar = cd_type |
---|
| 468 | ELSE |
---|
| 469 | posvar = 'T' |
---|
| 470 | ENDIF |
---|
| 471 | |
---|
| 472 | ! |
---|
| 473 | ! read dimensions in netcdf file |
---|
| 474 | ! |
---|
| 475 | CALL Read_Ncdf_dim('x',filename,numlon) |
---|
| 476 | CALL Read_Ncdf_dim('y',filename,numlat) |
---|
| 477 | CALL Read_Ncdf_dim('time_counter',filename,time) |
---|
| 478 | IF ( Dims_Existence( 'deptht' , filename ) ) THEN |
---|
| 479 | CALL Read_Ncdf_dim('deptht',filename,deptht) |
---|
| 480 | ELSE IF ( Dims_Existence( 'depthu' , filename ) ) THEN |
---|
| 481 | CALL Read_Ncdf_dim('depthu',filename,deptht) |
---|
| 482 | ELSE IF ( Dims_Existence( 'depthv' , filename ) ) THEN |
---|
| 483 | CALL Read_Ncdf_dim('depthv',filename,deptht) |
---|
| 484 | ELSE IF ( Dims_Existence( 'depthw' , filename ) ) THEN |
---|
| 485 | CALL Read_Ncdf_dim('depthw',filename,deptht) |
---|
| 486 | ELSE IF ( Dims_Existence( 'z' , filename ) ) THEN |
---|
| 487 | CALL Read_Ncdf_dim('z',filename,deptht) |
---|
| 488 | ELSE |
---|
| 489 | deptht = N |
---|
| 490 | ENDIF |
---|
| 491 | |
---|
| 492 | ! |
---|
| 493 | ! retrieve netcdf variable name |
---|
| 494 | ! |
---|
| 495 | CALL Read_Ncdf_VarName(filename,Ncdf_varname) |
---|
| 496 | ! |
---|
| 497 | ! define name of child grid file |
---|
| 498 | ! |
---|
| 499 | CALL set_child_name(filename,Child_file) |
---|
| 500 | CALL set_child_name(parent_coordinate_file,Childcoordinates) |
---|
[2455] | 501 | CALL set_child_name(parent_meshmask_file,childbathy) |
---|
[2136] | 502 | WRITE(*,*) 'Child grid file name = ',TRIM(Child_file) |
---|
| 503 | ! |
---|
| 504 | ! create this file |
---|
| 505 | ! |
---|
| 506 | status = nf90_create(Child_file,NF90_WRITE,ncid) |
---|
| 507 | status = nf90_close(ncid) |
---|
| 508 | ! |
---|
| 509 | ! read coordinates of both domains |
---|
| 510 | ! |
---|
| 511 | status = Read_Coordinates(parent_coordinate_file,G0) |
---|
| 512 | status = Read_Coordinates(Childcoordinates,G1,Pacifique) |
---|
| 513 | ! |
---|
| 514 | ! check consistency of informations read in namelist |
---|
| 515 | ! |
---|
| 516 | IF( imax > SIZE(G0%glamt,1) .OR. jmax > SIZE(G0%glamt,2) .OR. & |
---|
| 517 | imax <= imin .OR. jmax <= jmin ) THEN |
---|
| 518 | WRITE(*,*) 'ERROR ***** bad child grid definition ...' |
---|
| 519 | WRITE(*,*) 'please check imin,jmin,imax,jmax,jpizoom,jpjzoom values' |
---|
| 520 | WRITE(*,*) ' ' |
---|
| 521 | STOP |
---|
| 522 | ENDIF |
---|
| 523 | ! |
---|
| 524 | IF( SIZE(G1%nav_lon,1) .NE. nxfin .OR. SIZE(G1%nav_lon,2) .NE. nyfin ) THEN |
---|
| 525 | WRITE(*,*) 'ERROR ***** bad child coordinates or bathy file ...' |
---|
| 526 | WRITE(*,*) ' ' |
---|
| 527 | WRITE(*,*) 'please check that child coordinates file and child bathymetry file' |
---|
| 528 | WRITE(*,*) 'has been created with the current namelist ' |
---|
| 529 | WRITE(*,*) ' ' |
---|
| 530 | STOP |
---|
| 531 | ENDIF |
---|
| 532 | ! |
---|
| 533 | |
---|
| 534 | ! |
---|
| 535 | ! Initialization of T-mask thanks to bathymetry |
---|
| 536 | ! |
---|
| 537 | IF( Extrapolation ) THEN |
---|
| 538 | |
---|
| 539 | WRITE(*,*) 'mask initialisation on coarse and fine grids' |
---|
| 540 | ! |
---|
| 541 | ALLOCATE(mask(numlon,numlat,N)) |
---|
| 542 | CALL Init_mask(childbathy,G1,1,1) |
---|
[2455] | 543 | CALL Init_mask(parent_meshmask_file,G0,1,1) |
---|
[2136] | 544 | ! |
---|
| 545 | ENDIF |
---|
| 546 | |
---|
| 547 | ! |
---|
| 548 | ! select coordinates to use according to variable position |
---|
| 549 | ! |
---|
| 550 | ALLOCATE(lonParent(numlon,numlat),latParent(numlon,numlat)) |
---|
| 551 | ALLOCATE(lonChild(nxfin,nyfin),latChild(nxfin,nyfin)) |
---|
| 552 | |
---|
| 553 | SELECT CASE(posvar) |
---|
| 554 | CASE('T') |
---|
| 555 | lonParent = G0%glamt |
---|
| 556 | latParent = G0%gphit |
---|
| 557 | lonChild = G1%glamt |
---|
| 558 | latChild = G1%gphit |
---|
| 559 | mask = G1%tmask |
---|
| 560 | CASE('U') |
---|
| 561 | lonParent = G0%glamu |
---|
| 562 | latParent = G0%gphiu |
---|
| 563 | lonChild = G1%glamu |
---|
| 564 | latChild = G1%gphiu |
---|
| 565 | mask = G1%umask |
---|
| 566 | CASE('V') |
---|
| 567 | lonParent = G0%glamv |
---|
| 568 | latParent = G0%gphiv |
---|
| 569 | lonChild = G1%glamv |
---|
| 570 | latChild = G1%gphiv |
---|
| 571 | mask = G1%vmask |
---|
| 572 | END SELECT |
---|
| 573 | |
---|
| 574 | DEALLOCATE(G0%glamu,G0%glamv,G0%gphiu,G0%gphiv) |
---|
| 575 | DEALLOCATE(G1%glamu,G1%glamv,G1%gphiu,G1%gphiv) |
---|
| 576 | DEALLOCATE(G1%glamt,G1%gphit,G0%glamt,G0%gphit) |
---|
| 577 | |
---|
| 578 | ! |
---|
| 579 | !longitude modification if child domain covers Pacific ocean area |
---|
| 580 | ! |
---|
| 581 | IF( lonChild(1,1) > lonChild(nxfin,nyfin) ) THEN |
---|
| 582 | Pacifique = .TRUE. |
---|
| 583 | WHERE( lonChild < 0 ) |
---|
| 584 | lonChild = lonChild + 360. |
---|
| 585 | END WHERE |
---|
| 586 | WHERE( lonParent < 0 ) |
---|
| 587 | lonParent = lonParent + 360. |
---|
| 588 | END WHERE |
---|
| 589 | ENDIF |
---|
| 590 | |
---|
| 591 | ! |
---|
| 592 | ! |
---|
| 593 | ! dimensions initialization |
---|
| 594 | ! |
---|
| 595 | CALL Write_Ncdf_dim('x',Child_file,nxfin) |
---|
| 596 | CALL Write_Ncdf_dim('y',Child_file,nyfin) |
---|
| 597 | IF ( Dims_Existence( 'deptht' , filename ) ) CALL Write_Ncdf_dim('deptht',Child_file,deptht) |
---|
| 598 | IF ( Dims_Existence( 'depthu' , filename ) ) CALL Write_Ncdf_dim('depthu',Child_file,deptht) |
---|
| 599 | IF ( Dims_Existence( 'depthv' , filename ) ) CALL Write_Ncdf_dim('depthv',Child_file,deptht) |
---|
| 600 | IF ( Dims_Existence( 'depthw' , filename ) ) CALL Write_Ncdf_dim('depthw',Child_file,deptht) |
---|
| 601 | IF ( Dims_Existence( 'z' , filename ) ) CALL Write_Ncdf_dim('z',Child_file,deptht) |
---|
| 602 | CALL Write_Ncdf_dim('time_counter',Child_file,0) |
---|
| 603 | |
---|
| 604 | IF( deptht .NE. 1 .AND. deptht .NE. N ) THEN |
---|
| 605 | WRITE(*,*) '***' |
---|
| 606 | WRITE(*,*) 'Number of vertical levels doesn t match between namelist' |
---|
| 607 | WRITE(*,*) 'and forcing file ',TRIM(filename) |
---|
| 608 | WRITE(*,*) 'Please check the values in namelist file' |
---|
| 609 | WRITE(*,*) 'N = ',N |
---|
| 610 | WRITE(*,*) 'deptht = ',deptht |
---|
| 611 | STOP |
---|
| 612 | ENDIF |
---|
| 613 | ! |
---|
| 614 | ! |
---|
| 615 | DO i = 1,SIZE(Ncdf_varname) |
---|
| 616 | ! |
---|
| 617 | ! |
---|
| 618 | ! ******************************LOOP ON VARIABLE NAMES******************************************* |
---|
| 619 | ! |
---|
| 620 | ! |
---|
| 621 | SELECT CASE (TRIM(Ncdf_varname(i))) |
---|
| 622 | ! |
---|
| 623 | !copy nav_lon from child coordinates to output file |
---|
| 624 | CASE('nav_lon') |
---|
| 625 | ALLOCATE(latlon_temp(nxfin,nyfin)) |
---|
| 626 | CALL Read_Ncdf_var('nav_lon',TRIM(Childcoordinates),latlon_temp) |
---|
| 627 | CALL Write_Ncdf_var('nav_lon',(/'x','y'/),Child_file,latlon_temp,'float') |
---|
| 628 | CALL Copy_Ncdf_att('nav_lon',TRIM(filename),Child_file, & |
---|
| 629 | MINVAL(latlon_temp),MAXVAL(latlon_temp)) |
---|
| 630 | DEALLOCATE(latlon_temp) |
---|
| 631 | varname = TRIM(Ncdf_varname(i)) |
---|
| 632 | Interpolation = .FALSE. |
---|
| 633 | ! |
---|
| 634 | !copy nav_lat from child coordinates to output file |
---|
| 635 | CASE('nav_lat') |
---|
| 636 | ALLOCATE(latlon_temp(nxfin,nyfin)) |
---|
| 637 | CALL Read_Ncdf_var('nav_lat',TRIM(Childcoordinates),latlon_temp) |
---|
| 638 | CALL Write_Ncdf_var('nav_lat',(/'x','y'/),Child_file,latlon_temp,'float') |
---|
| 639 | CALL Copy_Ncdf_att('nav_lat',TRIM(filename),Child_file, & |
---|
| 640 | MINVAL(latlon_temp),MAXVAL(latlon_temp)) |
---|
| 641 | DEALLOCATE(latlon_temp) |
---|
| 642 | varname = TRIM(Ncdf_varname(i)) |
---|
| 643 | Interpolation = .FALSE. |
---|
| 644 | ! |
---|
| 645 | !copy nav_lev from restart_file to output file |
---|
| 646 | ! |
---|
| 647 | CASE('nav_lev') |
---|
| 648 | |
---|
| 649 | WRITE(*,*) 'copy nav_lev' |
---|
| 650 | CALL Read_Ncdf_var('nav_lev',filename,nav_lev) |
---|
| 651 | IF(.NOT. dimg ) THEN |
---|
| 652 | CALL Write_Ncdf_var('nav_lev','z',Child_file,nav_lev,'float') |
---|
| 653 | CALL Copy_Ncdf_att('nav_lev',filename,Child_file) |
---|
| 654 | ENDIF |
---|
| 655 | DEALLOCATE(nav_lev) |
---|
| 656 | Interpolation = .FALSE. |
---|
| 657 | ! |
---|
| 658 | !copy time_counter from input file to output file |
---|
| 659 | CASE('time_counter') |
---|
| 660 | ALLOCATE(timedepth_temp(time)) |
---|
| 661 | CALL Read_Ncdf_var('time_counter',filename,timedepth_temp) |
---|
| 662 | CALL Write_Ncdf_var('time_counter','time_counter', & |
---|
| 663 | Child_file,timedepth_temp,'float') |
---|
| 664 | CALL Copy_Ncdf_att('time_counter',TRIM(filename),Child_file) |
---|
| 665 | DEALLOCATE(timedepth_temp) |
---|
| 666 | varname = TRIM(Ncdf_varname(i)) |
---|
| 667 | Interpolation = .FALSE. |
---|
| 668 | ! |
---|
| 669 | !copy deptht from input file to output file |
---|
| 670 | CASE('deptht') |
---|
| 671 | ALLOCATE(depth(deptht)) |
---|
| 672 | CALL Read_Ncdf_var('deptht',filename,depth) |
---|
| 673 | CALL Write_Ncdf_var('deptht','deptht',Child_file,depth,'float') |
---|
| 674 | CALL Copy_Ncdf_att('deptht',TRIM(filename),Child_file) |
---|
| 675 | varname = TRIM(Ncdf_varname(i)) |
---|
| 676 | Interpolation = .FALSE. |
---|
| 677 | ! |
---|
| 678 | !copy depthu from input file to output file |
---|
| 679 | CASE('depthu') |
---|
| 680 | ALLOCATE(depth(deptht)) |
---|
| 681 | CALL Read_Ncdf_var('depthu',filename,depth) |
---|
| 682 | CALL Write_Ncdf_var('depthu','depthu',Child_file,depth,'float') |
---|
| 683 | CALL Copy_Ncdf_att('depthu',TRIM(filename),Child_file) |
---|
| 684 | varname = TRIM(Ncdf_varname(i)) |
---|
| 685 | Interpolation = .FALSE. |
---|
| 686 | ! |
---|
| 687 | !copy depthv from input file to output file |
---|
| 688 | CASE('depthv') |
---|
| 689 | ALLOCATE(depth(deptht)) |
---|
| 690 | CALL Read_Ncdf_var('depthv',filename,depth) |
---|
| 691 | CALL Write_Ncdf_var('depthv','depthv',Child_file,depth,'float') |
---|
| 692 | CALL Copy_Ncdf_att('depthv',TRIM(filename),Child_file) |
---|
| 693 | varname = TRIM(Ncdf_varname(i)) |
---|
| 694 | Interpolation = .FALSE. |
---|
| 695 | ! |
---|
| 696 | !copy depthv from input file to output file |
---|
| 697 | CASE('depthw') |
---|
| 698 | ALLOCATE(depth(deptht)) |
---|
| 699 | CALL Read_Ncdf_var('depthw',filename,depth) |
---|
| 700 | CALL Write_Ncdf_var('depthw','depthw',Child_file,depth,'float') |
---|
| 701 | CALL Copy_Ncdf_att('depthw',TRIM(filename),Child_file) |
---|
| 702 | varname = TRIM(Ncdf_varname(i)) |
---|
| 703 | Interpolation = .FALSE. |
---|
| 704 | ! |
---|
| 705 | !copy time_steps from input file in case of restget use in NEMO in/out routines |
---|
| 706 | CASE('time_steps') |
---|
| 707 | ! print *,'avant time step' |
---|
| 708 | |
---|
| 709 | CALL Read_Ncdf_var('time_steps',filename,tabtemp1DInt) |
---|
| 710 | ! print *,'timedeph = ',tabtemp1DInt |
---|
| 711 | CALL Write_Ncdf_var('time_steps','time_counter',Child_file,tabtemp1DInt) |
---|
| 712 | CALL Copy_Ncdf_att('time_steps',filename,Child_file) |
---|
| 713 | DEALLOCATE(tabtemp1DInt) |
---|
| 714 | Interpolation = .FALSE. |
---|
| 715 | ! |
---|
| 716 | !store tmask in output file |
---|
| 717 | CASE('tmask') |
---|
| 718 | dimnames(1)='x' |
---|
| 719 | dimnames(2)='y' |
---|
| 720 | dimnames(3)='deptht' |
---|
| 721 | IF (.NOT.ASSOCIATED(G1%tmask)) THEN |
---|
| 722 | ALLOCATE(G1%tmask(nxfin,nyfin,deptht)) |
---|
| 723 | G1%tmask = 1 |
---|
| 724 | ENDIF |
---|
| 725 | CALL Write_Ncdf_var('tmask',dimnames(1:3),Child_file,G1%tmask,'float') |
---|
| 726 | varname = TRIM(Ncdf_varname(i)) |
---|
| 727 | Interpolation = .FALSE. |
---|
| 728 | ! |
---|
| 729 | CASE default |
---|
| 730 | varname = Ncdf_varname(i) |
---|
| 731 | conservation = .FALSE. |
---|
| 732 | CALL get_interptype( varname,interp_type,conservation ) |
---|
| 733 | WRITE(*,*) '**********************************************' |
---|
| 734 | WRITE(*,*) 'varname = ',TRIM(varname), 'at ', posvar, ' point' |
---|
| 735 | WRITE(*,*) 'interp_type = ',TRIM(interp_type) |
---|
| 736 | WRITE(*,*) 'conservation = ',conservation |
---|
| 737 | WRITE(*,*) '***********************************************' |
---|
| 738 | Interpolation = .TRUE. |
---|
| 739 | ! |
---|
| 740 | END SELECT |
---|
| 741 | |
---|
| 742 | ! //////////////// INTERPOLATION FOR 3D VARIABLES ///////////////////////////////////// |
---|
| 743 | ! |
---|
| 744 | IF( Interpolation .AND. Get_NbDims(TRIM(varname),TRIM(filename)) == 3 ) THEN |
---|
| 745 | ! |
---|
| 746 | ALLOCATE(detected_pts(numlon,numlat,N)) |
---|
| 747 | ALLOCATE(masksrc(numlon,numlat)) |
---|
| 748 | ! |
---|
| 749 | ! ******************************LOOP ON TIME******************************************* |
---|
| 750 | !loop on time |
---|
| 751 | DO t = 1,time |
---|
| 752 | ! |
---|
| 753 | IF(extrapolation) THEN |
---|
| 754 | WRITE(*,*) 'interpolation/extrapolation ',TRIM(varname),' for time t = ',t |
---|
| 755 | ELSE |
---|
| 756 | WRITE(*,*) 'interpolation ',TRIM(varname),' for time t = ',t |
---|
| 757 | ENDIF |
---|
| 758 | ! |
---|
| 759 | ALLOCATE(tabvar3d(numlon,numlat,1)) |
---|
| 760 | ALLOCATE(tabinterp3d(nxfin,nyfin,1)) |
---|
| 761 | ! |
---|
| 762 | CALL Read_Ncdf_var(varname,filename,tabvar3d,t) |
---|
| 763 | ! |
---|
| 764 | ! search points where extrapolation is required |
---|
| 765 | ! |
---|
| 766 | IF(Extrapolation) THEN |
---|
| 767 | WHERE( tabvar3d .GE. 1.e+20 ) tabvar3d = 0. |
---|
| 768 | IF (t .EQ. 1. ) CALL extrap_detect(G0,G1,detected_pts(:,:,1),1) |
---|
| 769 | CALL correct_field_2d(detected_pts(:,:,1),tabvar3d,G0,masksrc,'posvar') |
---|
| 770 | ELSE |
---|
| 771 | masksrc = .TRUE. |
---|
| 772 | ENDIF |
---|
| 773 | |
---|
| 774 | IF (t.EQ.1 ) THEN |
---|
| 775 | |
---|
| 776 | SELECT CASE(TRIM(interp_type)) |
---|
| 777 | CASE('bilinear') |
---|
| 778 | CALL get_remap_matrix(latParent,latChild, & |
---|
| 779 | lonParent,lonChild, & |
---|
| 780 | masksrc,matrix,src_add,dst_add) |
---|
| 781 | |
---|
| 782 | CASE('bicubic') |
---|
| 783 | CALL get_remap_bicub(latParent,latChild, & |
---|
| 784 | lonParent,lonChild, & |
---|
| 785 | masksrc,matrix,src_add,dst_add) |
---|
| 786 | |
---|
| 787 | END SELECT |
---|
| 788 | ! |
---|
| 789 | ENDIF |
---|
| 790 | ! |
---|
| 791 | SELECT CASE(TRIM(interp_type)) |
---|
| 792 | CASE('bilinear') |
---|
| 793 | CALL make_remap(tabvar3d(:,:,1),tabinterp3d(:,:,1),nxfin,nyfin, & |
---|
| 794 | matrix,src_add,dst_add) |
---|
| 795 | CASE('bicubic') |
---|
| 796 | CALL make_bicubic_remap(tabvar3d(:,:,1),masksrc,tabinterp3d(:,:,1),nxfin,nyfin, & |
---|
| 797 | matrix,src_add,dst_add) |
---|
| 798 | END SELECT |
---|
| 799 | ! |
---|
| 800 | IF( conservation ) CALL Correctforconservation(tabvar3d(:,:,1),tabinterp3d(:,:,1), & |
---|
| 801 | G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin,jmin) |
---|
| 802 | ! |
---|
| 803 | IF(Extrapolation) tabinterp3d(:,:,1) = tabinterp3d(:,:,1) * mask(:,:,1) |
---|
| 804 | ! |
---|
| 805 | dimnames(1)='x' |
---|
| 806 | dimnames(2)='y' |
---|
| 807 | dimnames(3)='time_counter' |
---|
| 808 | ! |
---|
| 809 | CALL Write_Ncdf_var(TRIM(varname),dimnames(1:3),& |
---|
| 810 | Child_file,tabinterp3d,t,'float') |
---|
| 811 | ! |
---|
| 812 | DEALLOCATE(tabinterp3d) |
---|
| 813 | DEALLOCATE(tabvar3d) |
---|
| 814 | !end loop on time |
---|
| 815 | END DO |
---|
| 816 | ! |
---|
| 817 | DEALLOCATE(detected_pts) |
---|
| 818 | IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,dst_add,src_add) |
---|
| 819 | DEALLOCATE( masksrc) |
---|
| 820 | |
---|
| 821 | CALL Copy_Ncdf_att(TRIM(varname),TRIM(filename),Child_file) |
---|
| 822 | ! |
---|
| 823 | ELSE IF( Interpolation .AND. Get_NbDims(TRIM(varname),TRIM(filename)) == 4 ) THEN |
---|
| 824 | ! |
---|
| 825 | ! |
---|
| 826 | ! //////////////// INTERPOLATION FOR 4D VARIABLES ///////////////////////////////////// |
---|
| 827 | ! |
---|
| 828 | dimnames(1)='x' |
---|
| 829 | dimnames(2)='y' |
---|
| 830 | IF ( Dims_Existence( 'deptht' , filename ) ) dimnames(3)='deptht' |
---|
| 831 | IF ( Dims_Existence( 'depthu' , filename ) ) dimnames(3)='depthu' |
---|
| 832 | IF ( Dims_Existence( 'depthv' , filename ) ) dimnames(3)='depthv' |
---|
| 833 | IF ( Dims_Existence( 'depthw' , filename ) ) dimnames(3)='depthw' |
---|
| 834 | IF ( Dims_Existence( 'z' , filename ) ) dimnames(3)='z' |
---|
| 835 | dimnames(4)='time_counter' |
---|
| 836 | ! |
---|
| 837 | ! loop on vertical levels |
---|
| 838 | ! |
---|
| 839 | DO nb = 1,deptht |
---|
| 840 | ! |
---|
| 841 | ALLOCATE(masksrc(numlon,numlat)) |
---|
| 842 | ALLOCATE(detected_pts(numlon,numlat,N)) |
---|
| 843 | ! |
---|
| 844 | ! point detection et level n |
---|
| 845 | ! |
---|
| 846 | land_level = .FALSE. |
---|
| 847 | IF( Extrapolation ) THEN |
---|
| 848 | IF(MAXVAL(mask(:,:,nb))==0.) land_level = .TRUE. |
---|
| 849 | ENDIF |
---|
| 850 | |
---|
| 851 | |
---|
| 852 | IF ( land_level ) THEN |
---|
| 853 | ! |
---|
| 854 | WRITE(*,*) 'only land points on level ',nb |
---|
| 855 | ALLOCATE(tabinterp4d(nxfin,nyfin,1,1)) |
---|
| 856 | tabinterp4d = 0.e0 |
---|
| 857 | ! |
---|
| 858 | DO ii = 1,time |
---|
| 859 | CALL Write_Ncdf_var(TRIM(varname),dimnames, & |
---|
| 860 | Child_file,tabinterp4d,ii,nb,'float') |
---|
| 861 | END DO |
---|
| 862 | DEALLOCATE(tabinterp4d) |
---|
| 863 | ! |
---|
| 864 | ELSE |
---|
| 865 | ! |
---|
| 866 | ! loop on time |
---|
| 867 | ! |
---|
| 868 | DO t = 1,time |
---|
| 869 | ! |
---|
| 870 | ALLOCATE(tabvar1(numlon,numlat,1,1)) ! level k |
---|
| 871 | IF(Extrapolation) ALLOCATE(tabvar2(numlon,numlat,1,1)) ! level k-1 |
---|
| 872 | IF(Extrapolation) ALLOCATE(tabvar3(numlon,numlat,1,1)) ! level k-2 |
---|
| 873 | ALLOCATE(tabinterp4d(nxfin,nyfin,1,1)) |
---|
| 874 | ! |
---|
| 875 | IF(Extrapolation) THEN |
---|
| 876 | IF(nb==1) THEN |
---|
| 877 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
| 878 | WHERE( tabvar1 .GE. 1.e+20 ) tabvar1 = 0. |
---|
| 879 | ELSE IF (nb==2) THEN |
---|
| 880 | CALL Read_Ncdf_var(varname,filename,tabvar2,t,nb-1) |
---|
| 881 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
| 882 | WHERE( tabvar1 .GE. 1.e+20 ) tabvar1 = 0. |
---|
| 883 | WHERE( tabvar2 .GE. 1.e+20 ) tabvar2 = 0. |
---|
| 884 | ELSE |
---|
| 885 | CALL Read_Ncdf_var(varname,filename,tabvar3,t,nb-2) |
---|
| 886 | CALL Read_Ncdf_var(varname,filename,tabvar2,t,nb-1) |
---|
| 887 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
| 888 | WHERE( tabvar1 .GE. 1.e+20 ) tabvar1 = 0. |
---|
| 889 | WHERE( tabvar2 .GE. 1.e+20 ) tabvar2 = 0. |
---|
| 890 | WHERE( tabvar3 .GE. 1.e+20 ) tabvar3 = 0. |
---|
| 891 | ENDIF |
---|
| 892 | ! |
---|
| 893 | IF (t.EQ.1 ) CALL extrap_detect(G0,G1,detected_pts(:,:,nb),nb) |
---|
| 894 | |
---|
| 895 | CALL correct_field(detected_pts(:,:,nb),tabvar1,tabvar2,& |
---|
| 896 | tabvar3,G0,depth,masksrc,nb,'posvar') |
---|
| 897 | DEALLOCATE(tabvar2,tabvar3) |
---|
| 898 | |
---|
| 899 | ELSE |
---|
| 900 | CALL Read_Ncdf_var(varname,filename,tabvar1,t,nb) |
---|
| 901 | IF(MAXVAL(tabvar1(:,:,1,1))==0.) land_level = .TRUE. |
---|
| 902 | masksrc = .TRUE. |
---|
| 903 | ENDIF |
---|
| 904 | |
---|
| 905 | IF( Extrapolation ) THEN |
---|
| 906 | WRITE(*,*) 'interpolation/extrapolation ',TRIM(varname),' for time t = ',t,'vertical level = ',nb |
---|
| 907 | ELSE |
---|
| 908 | WRITE(*,*) 'interpolation ',TRIM(varname),' for time t = ',t,'vertical level = ',nb |
---|
| 909 | ENDIF |
---|
| 910 | |
---|
| 911 | ! |
---|
| 912 | |
---|
| 913 | IF (t.EQ.1 ) THEN |
---|
| 914 | |
---|
| 915 | SELECT CASE(TRIM(interp_type)) |
---|
| 916 | CASE('bilinear') |
---|
| 917 | CALL get_remap_matrix(latParent,latChild, & |
---|
| 918 | lonParent,lonChild, & |
---|
| 919 | masksrc,matrix,src_add,dst_add) |
---|
| 920 | |
---|
| 921 | CASE('bicubic') |
---|
| 922 | CALL get_remap_bicub(latParent,latChild, & |
---|
| 923 | lonParent,lonChild, & |
---|
| 924 | masksrc,matrix,src_add,dst_add) |
---|
| 925 | ! |
---|
| 926 | END SELECT |
---|
| 927 | ! |
---|
| 928 | ENDIF |
---|
| 929 | ! |
---|
| 930 | SELECT CASE(TRIM(interp_type)) |
---|
| 931 | ! |
---|
| 932 | CASE('bilinear') |
---|
| 933 | CALL make_remap(tabvar1(:,:,1,1),tabinterp4d(:,:,1,1),nxfin,nyfin, & |
---|
| 934 | matrix,src_add,dst_add) |
---|
| 935 | CASE('bicubic') |
---|
| 936 | CALL make_bicubic_remap(tabvar1(:,:,1,1),masksrc,tabinterp4d(:,:,1,1),nxfin,nyfin, & |
---|
| 937 | matrix,src_add,dst_add) |
---|
| 938 | END SELECT |
---|
| 939 | ! |
---|
| 940 | IF( conservation ) CALL Correctforconservation(tabvar1(:,:,1,1),tabinterp4d(:,:,1,1), & |
---|
| 941 | G0%e1t,G0%e2t,G1%e1t,G1%e2t,nxfin,nyfin,posvar,imin,jmin) |
---|
| 942 | |
---|
| 943 | ! |
---|
| 944 | IF(Extrapolation) CALL check_extrap(G1,tabinterp4d,nb) |
---|
| 945 | ! |
---|
| 946 | IF(Extrapolation) tabinterp4d(:,:,1,1) = tabinterp4d(:,:,1,1) * mask(:,:,nb) |
---|
| 947 | ! |
---|
| 948 | CALL Write_Ncdf_var(TRIM(varname),dimnames, & |
---|
| 949 | Child_file,tabinterp4d,t,nb,'float') |
---|
| 950 | ! |
---|
| 951 | DEALLOCATE(tabinterp4d) |
---|
| 952 | DEALLOCATE(tabvar1) |
---|
| 953 | ! |
---|
| 954 | ! end loop on time |
---|
| 955 | ! |
---|
| 956 | |
---|
| 957 | END DO |
---|
| 958 | |
---|
| 959 | ENDIF |
---|
| 960 | |
---|
| 961 | ! |
---|
| 962 | IF(ASSOCIATED(matrix)) DEALLOCATE(matrix,dst_add,src_add) |
---|
| 963 | DEALLOCATE( masksrc ) |
---|
| 964 | DEALLOCATE(detected_pts) |
---|
| 965 | ! |
---|
| 966 | ! end loop on vertical levels |
---|
| 967 | ! |
---|
| 968 | END DO |
---|
| 969 | ! |
---|
| 970 | CALL Copy_Ncdf_att(TRIM(varname),TRIM(filename),Child_file) |
---|
| 971 | ! |
---|
| 972 | ! fin du if interpolation ... |
---|
| 973 | ! |
---|
| 974 | ENDIF |
---|
| 975 | ! |
---|
| 976 | END DO |
---|
| 977 | |
---|
| 978 | PRINT *,'FIN DE INTERPEXTRAPVAR' |
---|
| 979 | ! |
---|
| 980 | IF(Extrapolation) DEALLOCATE(G1%tmask,G0%tmask) |
---|
| 981 | DEALLOCATE(G0%e1t,G0%e2t,G1%e1t,G1%e2t) |
---|
| 982 | IF(ASSOCIATED(depth)) DEALLOCATE(depth) |
---|
| 983 | ! |
---|
| 984 | END SUBROUTINE Interp_Extrap_var |
---|
| 985 | ! |
---|
| 986 | !************************************************************** |
---|
| 987 | ! end subroutine Interp_var |
---|
| 988 | !************************************************************** |
---|
| 989 | ! |
---|
| 990 | END MODULE agrif_interpolation |
---|