[e200b7a] | 1 | !********************************************************************** |
---|
| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
---|
| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
---|
| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
---|
| 5 | ! * |
---|
| 6 | ! This file is part of FLEXPART. * |
---|
| 7 | ! * |
---|
| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
---|
| 9 | ! it under the terms of the GNU General Public License as published by* |
---|
| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
---|
| 11 | ! (at your option) any later version. * |
---|
| 12 | ! * |
---|
| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
---|
| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
---|
| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
---|
| 16 | ! GNU General Public License for more details. * |
---|
| 17 | ! * |
---|
| 18 | ! You should have received a copy of the GNU General Public License * |
---|
| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
---|
| 20 | !********************************************************************** |
---|
| 21 | |
---|
| 22 | subroutine gridcheck |
---|
| 23 | |
---|
| 24 | !********************************************************************** |
---|
| 25 | ! * |
---|
| 26 | ! FLEXPART MODEL SUBROUTINE GRIDCHECK * |
---|
| 27 | ! * |
---|
| 28 | !********************************************************************** |
---|
| 29 | ! * |
---|
| 30 | ! AUTHOR: G. WOTAWA * |
---|
| 31 | ! DATE: 1997-08-06 * |
---|
| 32 | ! LAST UPDATE: 1997-10-10 * |
---|
| 33 | ! * |
---|
| 34 | ! Update: 1999-02-08, global fields allowed, A. Stohl* |
---|
| 35 | ! CHANGE: 11/01/2008, Harald Sodemann, GRIB1/2 input with * |
---|
| 36 | ! ECMWF grib_api * |
---|
| 37 | ! CHANGE: 03/12/2008, Harald Sodemann, update to f90 with * |
---|
| 38 | ! ECMWF grib_api * |
---|
| 39 | ! * |
---|
| 40 | !********************************************************************** |
---|
| 41 | ! * |
---|
| 42 | ! DESCRIPTION: * |
---|
| 43 | ! * |
---|
| 44 | ! THIS SUBROUTINE DETERMINES THE GRID SPECIFICATIONS (LOWER LEFT * |
---|
| 45 | ! LONGITUDE, LOWER LEFT LATITUDE, NUMBER OF GRID POINTS, GRID DIST- * |
---|
| 46 | ! ANCE AND VERTICAL DISCRETIZATION OF THE ECMWF MODEL) FROM THE * |
---|
| 47 | ! GRIB HEADER OF THE FIRST INPUT FILE. THE CONSISTANCY (NO CHANGES * |
---|
| 48 | ! WITHIN ONE FLEXPART RUN) IS CHECKED IN THE ROUTINE "READWIND" AT * |
---|
| 49 | ! ANY CALL. * |
---|
| 50 | ! * |
---|
| 51 | ! XLON0 geographical longitude of lower left gridpoint * |
---|
| 52 | ! YLAT0 geographical latitude of lower left gridpoint * |
---|
| 53 | ! NX number of grid points x-direction * |
---|
| 54 | ! NY number of grid points y-direction * |
---|
| 55 | ! DX grid distance x-direction * |
---|
| 56 | ! DY grid distance y-direction * |
---|
| 57 | ! NUVZ number of grid points for horizontal wind * |
---|
| 58 | ! components in z direction * |
---|
| 59 | ! NWZ number of grid points for vertical wind * |
---|
| 60 | ! component in z direction * |
---|
| 61 | ! sizesouth, sizenorth give the map scale (i.e. number of virtual grid* |
---|
| 62 | ! points of the polar stereographic grid): * |
---|
| 63 | ! used to check the CFL criterion * |
---|
| 64 | ! UVHEIGHT(1)- heights of gridpoints where u and v are * |
---|
| 65 | ! UVHEIGHT(NUVZ) given * |
---|
| 66 | ! WHEIGHT(1)- heights of gridpoints where w is given * |
---|
| 67 | ! WHEIGHT(NWZ) * |
---|
| 68 | ! * |
---|
| 69 | !********************************************************************** |
---|
| 70 | |
---|
| 71 | use grib_api |
---|
| 72 | use par_mod |
---|
| 73 | use com_mod |
---|
| 74 | use conv_mod |
---|
| 75 | use cmapf_mod, only: stlmbr,stcm2p |
---|
| 76 | |
---|
| 77 | implicit none |
---|
| 78 | |
---|
| 79 | !HSO parameters for grib_api |
---|
| 80 | integer :: ifile |
---|
| 81 | integer :: iret |
---|
| 82 | integer :: igrib |
---|
| 83 | integer :: gotGrid |
---|
| 84 | real(kind=4) :: xaux1,xaux2,yaux1,yaux2 |
---|
| 85 | real(kind=8) :: xaux1in,xaux2in,yaux1in,yaux2in |
---|
[fdc0f03] | 86 | integer :: gribVer,parCat,parNum,typSurf,valSurf,discipl,parId |
---|
[e200b7a] | 87 | !HSO end |
---|
| 88 | integer :: ix,jy,i,ifn,ifield,j,k,iumax,iwmax,numskip |
---|
[4fbe7a5] | 89 | real :: sizesouth,sizenorth,xauxa,pint,conversion_factor |
---|
[e200b7a] | 90 | |
---|
| 91 | ! VARIABLES AND ARRAYS NEEDED FOR GRIB DECODING |
---|
| 92 | |
---|
| 93 | ! dimension of isec2 at least (22+n), where n is the number of parallels or |
---|
| 94 | ! meridians in a quasi-regular (reduced) Gaussian or lat/long grid |
---|
| 95 | |
---|
| 96 | ! dimension of zsec2 at least (10+nn), where nn is the number of vertical |
---|
| 97 | ! coordinate parameters |
---|
| 98 | |
---|
| 99 | integer :: isec1(56),isec2(22+nxmax+nymax) |
---|
[4fbe7a5] | 100 | real(kind=4) :: zsec2(60+2*nuvzmax),zsec4(jpunp) |
---|
[e200b7a] | 101 | character(len=1) :: opt |
---|
| 102 | |
---|
| 103 | !HSO grib api error messages |
---|
| 104 | character(len=24) :: gribErrorMsg = 'Error reading grib file' |
---|
| 105 | character(len=20) :: gribFunction = 'gridcheck' |
---|
| 106 | |
---|
[8a65cb0] | 107 | |
---|
[e200b7a] | 108 | iumax=0 |
---|
| 109 | iwmax=0 |
---|
| 110 | |
---|
| 111 | if(ideltas.gt.0) then |
---|
| 112 | ifn=1 |
---|
| 113 | else |
---|
| 114 | ifn=numbwf |
---|
| 115 | endif |
---|
| 116 | ! |
---|
| 117 | ! OPENING OF DATA FILE (GRIB CODE) |
---|
| 118 | ! |
---|
| 119 | 5 call grib_open_file(ifile,path(3)(1:length(3)) & |
---|
| 120 | //trim(wfname(ifn)),'r',iret) |
---|
| 121 | if (iret.ne.GRIB_SUCCESS) then |
---|
| 122 | goto 999 ! ERROR DETECTED |
---|
| 123 | endif |
---|
| 124 | !turn on support for multi fields messages |
---|
| 125 | !call grib_multi_support_on |
---|
| 126 | |
---|
| 127 | gotGrid=0 |
---|
| 128 | ifield=0 |
---|
| 129 | 10 ifield=ifield+1 |
---|
| 130 | |
---|
| 131 | ! |
---|
| 132 | ! GET NEXT FIELDS |
---|
| 133 | ! |
---|
| 134 | call grib_new_from_file(ifile,igrib,iret) |
---|
| 135 | if (iret.eq.GRIB_END_OF_FILE ) then |
---|
| 136 | goto 30 ! EOF DETECTED |
---|
| 137 | elseif (iret.ne.GRIB_SUCCESS) then |
---|
| 138 | goto 999 ! ERROR DETECTED |
---|
| 139 | endif |
---|
| 140 | |
---|
| 141 | !first see if we read GRIB1 or GRIB2 |
---|
| 142 | call grib_get_int(igrib,'editionNumber',gribVer,iret) |
---|
| 143 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 144 | |
---|
| 145 | if (gribVer.eq.1) then ! GRIB Edition 1 |
---|
| 146 | |
---|
| 147 | !print*,'GRiB Edition 1' |
---|
| 148 | !read the grib2 identifiers |
---|
| 149 | call grib_get_int(igrib,'indicatorOfParameter',isec1(6),iret) |
---|
| 150 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 151 | call grib_get_int(igrib,'level',isec1(8),iret) |
---|
| 152 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 153 | |
---|
| 154 | !change code for etadot to code for omega |
---|
| 155 | if (isec1(6).eq.77) then |
---|
| 156 | isec1(6)=135 |
---|
| 157 | endif |
---|
| 158 | |
---|
| 159 | !print*,isec1(6),isec1(8) |
---|
| 160 | |
---|
| 161 | else |
---|
| 162 | |
---|
| 163 | !print*,'GRiB Edition 2' |
---|
| 164 | !read the grib2 identifiers |
---|
| 165 | call grib_get_int(igrib,'discipline',discipl,iret) |
---|
| 166 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 167 | call grib_get_int(igrib,'parameterCategory',parCat,iret) |
---|
| 168 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 169 | call grib_get_int(igrib,'parameterNumber',parNum,iret) |
---|
| 170 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 171 | call grib_get_int(igrib,'typeOfFirstFixedSurface',typSurf,iret) |
---|
| 172 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 173 | call grib_get_int(igrib,'level',valSurf,iret) |
---|
| 174 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
[4fbe7a5] | 175 | call grib_get_int(igrib,'paramId',parId,iret) |
---|
| 176 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
[e200b7a] | 177 | |
---|
| 178 | !print*,discipl,parCat,parNum,typSurf,valSurf |
---|
| 179 | |
---|
| 180 | !convert to grib1 identifiers |
---|
| 181 | isec1(6)=-1 |
---|
| 182 | isec1(7)=-1 |
---|
| 183 | isec1(8)=-1 |
---|
| 184 | isec1(8)=valSurf ! level |
---|
| 185 | if ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.105)) then ! T |
---|
| 186 | isec1(6)=130 ! indicatorOfParameter |
---|
| 187 | elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.105)) then ! U |
---|
| 188 | isec1(6)=131 ! indicatorOfParameter |
---|
| 189 | elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.105)) then ! V |
---|
| 190 | isec1(6)=132 ! indicatorOfParameter |
---|
| 191 | elseif ((parCat.eq.1).and.(parNum.eq.0).and.(typSurf.eq.105)) then ! Q |
---|
| 192 | isec1(6)=133 ! indicatorOfParameter |
---|
[d6a0977] | 193 | !ZHG FOR CLOUDS FROM GRIB |
---|
[8a65cb0] | 194 | elseif ((parCat.eq.1).and.(parNum.eq.83).and.(typSurf.eq.105)) then ! clwc |
---|
| 195 | isec1(6)=246 ! indicatorOfParameter |
---|
| 196 | elseif ((parCat.eq.1).and.(parNum.eq.84).and.(typSurf.eq.105)) then ! ciwc |
---|
| 197 | isec1(6)=247 ! indicatorOfParameter |
---|
[d6a0977] | 198 | !ZHG end |
---|
[fdc0f03] | 199 | ! ESO qc(=clwc+ciwc) |
---|
| 200 | elseif ((parCat.eq.201).and.(parNum.eq.31).and.(typSurf.eq.105)) then ! qc |
---|
| 201 | isec1(6)=201031 ! indicatorOfParameter |
---|
[e200b7a] | 202 | elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.1)) then !SP |
---|
| 203 | isec1(6)=134 ! indicatorOfParameter |
---|
| 204 | elseif ((parCat.eq.2).and.(parNum.eq.32)) then ! W, actually eta dot |
---|
| 205 | isec1(6)=135 ! indicatorOfParameter |
---|
[4fbe7a5] | 206 | elseif ((parCat.eq.128).and.(parNum.eq.77)) then ! W, actually eta dot |
---|
| 207 | isec1(6)=135 ! indicatorOfParameter |
---|
[e200b7a] | 208 | elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.101)) then !SLP |
---|
| 209 | isec1(6)=151 ! indicatorOfParameter |
---|
| 210 | elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.103)) then ! 10U |
---|
| 211 | isec1(6)=165 ! indicatorOfParameter |
---|
| 212 | elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.103)) then ! 10V |
---|
| 213 | isec1(6)=166 ! indicatorOfParameter |
---|
| 214 | elseif ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.103)) then ! 2T |
---|
| 215 | isec1(6)=167 ! indicatorOfParameter |
---|
| 216 | elseif ((parCat.eq.0).and.(parNum.eq.6).and.(typSurf.eq.103)) then ! 2D |
---|
| 217 | isec1(6)=168 ! indicatorOfParameter |
---|
| 218 | elseif ((parCat.eq.1).and.(parNum.eq.11).and.(typSurf.eq.1)) then ! SD |
---|
| 219 | isec1(6)=141 ! indicatorOfParameter |
---|
[4fbe7a5] | 220 | elseif ((parCat.eq.6).and.(parNum.eq.1) .or. parId .eq. 164) then ! CC |
---|
[e200b7a] | 221 | isec1(6)=164 ! indicatorOfParameter |
---|
[4fbe7a5] | 222 | elseif ((parCat.eq.1).and.(parNum.eq.9) .or. parId .eq. 142) then ! LSP |
---|
[e200b7a] | 223 | isec1(6)=142 ! indicatorOfParameter |
---|
| 224 | elseif ((parCat.eq.1).and.(parNum.eq.10)) then ! CP |
---|
| 225 | isec1(6)=143 ! indicatorOfParameter |
---|
| 226 | elseif ((parCat.eq.0).and.(parNum.eq.11).and.(typSurf.eq.1)) then ! SHF |
---|
| 227 | isec1(6)=146 ! indicatorOfParameter |
---|
| 228 | elseif ((parCat.eq.4).and.(parNum.eq.9).and.(typSurf.eq.1)) then ! SR |
---|
| 229 | isec1(6)=176 ! indicatorOfParameter |
---|
[4fbe7a5] | 230 | elseif ((parCat.eq.2).and.(parNum.eq.17) .or. parId .eq. 180) then ! EWSS |
---|
[e200b7a] | 231 | isec1(6)=180 ! indicatorOfParameter |
---|
[4fbe7a5] | 232 | elseif ((parCat.eq.2).and.(parNum.eq.18) .or. parId .eq. 181) then ! NSSS |
---|
[e200b7a] | 233 | isec1(6)=181 ! indicatorOfParameter |
---|
| 234 | elseif ((parCat.eq.3).and.(parNum.eq.4)) then ! ORO |
---|
| 235 | isec1(6)=129 ! indicatorOfParameter |
---|
[4fbe7a5] | 236 | elseif ((parCat.eq.3).and.(parNum.eq.7) .or. parId .eq. 160) then ! SDO |
---|
[e200b7a] | 237 | isec1(6)=160 ! indicatorOfParameter |
---|
| 238 | elseif ((discipl.eq.2).and.(parCat.eq.0).and.(parNum.eq.0).and. & |
---|
| 239 | (typSurf.eq.1)) then ! LSM |
---|
| 240 | isec1(6)=172 ! indicatorOfParameter |
---|
| 241 | else |
---|
| 242 | print*,'***ERROR: undefined GRiB2 message found!',discipl, & |
---|
| 243 | parCat,parNum,typSurf |
---|
| 244 | endif |
---|
[4fbe7a5] | 245 | if(parId .ne. isec1(6) .and. parId .ne. 77) then |
---|
| 246 | write(*,*) 'parId',parId, 'isec1(6)',isec1(6) |
---|
| 247 | ! stop |
---|
| 248 | endif |
---|
[e200b7a] | 249 | |
---|
| 250 | endif |
---|
| 251 | |
---|
| 252 | !get the size and data of the values array |
---|
| 253 | if (isec1(6).ne.-1) then |
---|
| 254 | call grib_get_real4_array(igrib,'values',zsec4,iret) |
---|
| 255 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 256 | endif |
---|
| 257 | |
---|
| 258 | if (ifield.eq.1) then |
---|
| 259 | |
---|
| 260 | !HSO get the required fields from section 2 in a gribex compatible manner |
---|
| 261 | call grib_get_int(igrib,'numberOfPointsAlongAParallel', & |
---|
| 262 | isec2(2),iret) |
---|
| 263 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 264 | call grib_get_int(igrib,'numberOfPointsAlongAMeridian', & |
---|
| 265 | isec2(3),iret) |
---|
| 266 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 267 | call grib_get_real8(igrib,'longitudeOfFirstGridPointInDegrees', & |
---|
| 268 | xaux1in,iret) |
---|
| 269 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 270 | call grib_get_int(igrib,'numberOfVerticalCoordinateValues', & |
---|
| 271 | isec2(12),iret) |
---|
| 272 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 273 | |
---|
| 274 | ! get the size and data of the vertical coordinate array |
---|
| 275 | call grib_get_real4_array(igrib,'pv',zsec2,iret) |
---|
| 276 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 277 | |
---|
| 278 | nxfield=isec2(2) |
---|
| 279 | ny=isec2(3) |
---|
| 280 | nlev_ec=isec2(12)/2-1 |
---|
| 281 | endif |
---|
| 282 | |
---|
| 283 | !HSO get the second part of the grid dimensions only from GRiB1 messages |
---|
[4fbe7a5] | 284 | if (isec1(6) .eq. 167 .and. (gotGrid.eq.0)) then |
---|
[e200b7a] | 285 | call grib_get_real8(igrib,'longitudeOfLastGridPointInDegrees', & |
---|
| 286 | xaux2in,iret) |
---|
| 287 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 288 | call grib_get_real8(igrib,'latitudeOfLastGridPointInDegrees', & |
---|
| 289 | yaux1in,iret) |
---|
| 290 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 291 | call grib_get_real8(igrib,'latitudeOfFirstGridPointInDegrees', & |
---|
| 292 | yaux2in,iret) |
---|
| 293 | call grib_check(iret,gribFunction,gribErrorMsg) |
---|
| 294 | xaux1=xaux1in |
---|
| 295 | xaux2=xaux2in |
---|
| 296 | yaux1=yaux1in |
---|
| 297 | yaux2=yaux2in |
---|
| 298 | if (xaux1.gt.180.) xaux1=xaux1-360.0 |
---|
| 299 | if (xaux2.gt.180.) xaux2=xaux2-360.0 |
---|
| 300 | if (xaux1.lt.-180.) xaux1=xaux1+360.0 |
---|
| 301 | if (xaux2.lt.-180.) xaux2=xaux2+360.0 |
---|
| 302 | if (xaux2.lt.xaux1) xaux2=xaux2+360.0 |
---|
| 303 | xlon0=xaux1 |
---|
| 304 | ylat0=yaux1 |
---|
| 305 | dx=(xaux2-xaux1)/real(nxfield-1) |
---|
| 306 | dy=(yaux2-yaux1)/real(ny-1) |
---|
| 307 | dxconst=180./(dx*r_earth*pi) |
---|
| 308 | dyconst=180./(dy*r_earth*pi) |
---|
| 309 | gotGrid=1 |
---|
| 310 | ! Check whether fields are global |
---|
| 311 | ! If they contain the poles, specify polar stereographic map |
---|
| 312 | ! projections using the stlmbr- and stcm2p-calls |
---|
| 313 | !*********************************************************** |
---|
| 314 | |
---|
| 315 | xauxa=abs(xaux2+dx-360.-xaux1) |
---|
| 316 | if (xauxa.lt.0.001) then |
---|
| 317 | nx=nxfield+1 ! field is cyclic |
---|
| 318 | xglobal=.true. |
---|
| 319 | if (abs(nxshift).ge.nx) & |
---|
| 320 | stop 'nxshift in file par_mod is too large' |
---|
| 321 | xlon0=xlon0+real(nxshift)*dx |
---|
| 322 | else |
---|
| 323 | nx=nxfield |
---|
| 324 | xglobal=.false. |
---|
| 325 | if (nxshift.ne.0) & |
---|
| 326 | stop 'nxshift (par_mod) must be zero for non-global domain' |
---|
| 327 | endif |
---|
| 328 | nxmin1=nx-1 |
---|
| 329 | nymin1=ny-1 |
---|
| 330 | if (xlon0.gt.180.) xlon0=xlon0-360. |
---|
| 331 | xauxa=abs(yaux1+90.) |
---|
| 332 | if (xglobal.and.xauxa.lt.0.001) then |
---|
| 333 | sglobal=.true. ! field contains south pole |
---|
| 334 | ! Enhance the map scale by factor 3 (*2=6) compared to north-south |
---|
| 335 | ! map scale |
---|
| 336 | sizesouth=6.*(switchsouth+90.)/dy |
---|
| 337 | call stlmbr(southpolemap,-90.,0.) |
---|
| 338 | call stcm2p(southpolemap,0.,0.,switchsouth,0.,sizesouth, & |
---|
| 339 | sizesouth,switchsouth,180.) |
---|
| 340 | switchsouthg=(switchsouth-ylat0)/dy |
---|
| 341 | else |
---|
| 342 | sglobal=.false. |
---|
| 343 | switchsouthg=999999. |
---|
| 344 | endif |
---|
| 345 | xauxa=abs(yaux2-90.) |
---|
| 346 | if (xglobal.and.xauxa.lt.0.001) then |
---|
| 347 | nglobal=.true. ! field contains north pole |
---|
| 348 | ! Enhance the map scale by factor 3 (*2=6) compared to north-south |
---|
| 349 | ! map scale |
---|
| 350 | sizenorth=6.*(90.-switchnorth)/dy |
---|
| 351 | call stlmbr(northpolemap,90.,0.) |
---|
| 352 | call stcm2p(northpolemap,0.,0.,switchnorth,0.,sizenorth, & |
---|
| 353 | sizenorth,switchnorth,180.) |
---|
| 354 | switchnorthg=(switchnorth-ylat0)/dy |
---|
| 355 | else |
---|
| 356 | nglobal=.false. |
---|
| 357 | switchnorthg=999999. |
---|
| 358 | endif |
---|
| 359 | if (nxshift.lt.0) & |
---|
| 360 | stop 'nxshift (par_mod) must not be negative' |
---|
| 361 | if (nxshift.ge.nxfield) stop 'nxshift (par_mod) too large' |
---|
| 362 | endif ! gotGrid |
---|
| 363 | |
---|
[db712a8] | 364 | if (nx.gt.nxmax) then |
---|
| 365 | write(*,*) 'FLEXPART error: Too many grid points in x direction.' |
---|
| 366 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 367 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 368 | write(*,*) nx,nxmax |
---|
| 369 | stop |
---|
| 370 | endif |
---|
| 371 | |
---|
| 372 | if (ny.gt.nymax) then |
---|
| 373 | write(*,*) 'FLEXPART error: Too many grid points in y direction.' |
---|
| 374 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 375 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 376 | write(*,*) ny,nymax |
---|
| 377 | stop |
---|
| 378 | endif |
---|
| 379 | |
---|
[e200b7a] | 380 | k=isec1(8) |
---|
| 381 | if(isec1(6).eq.131) iumax=max(iumax,nlev_ec-k+1) |
---|
| 382 | if(isec1(6).eq.135) iwmax=max(iwmax,nlev_ec-k+1) |
---|
| 383 | |
---|
| 384 | if(isec1(6).eq.129) then |
---|
| 385 | do jy=0,ny-1 |
---|
| 386 | do ix=0,nxfield-1 |
---|
| 387 | oro(ix,jy)=zsec4(nxfield*(ny-jy-1)+ix+1)/ga |
---|
| 388 | end do |
---|
| 389 | end do |
---|
| 390 | endif |
---|
| 391 | if(isec1(6).eq.172) then |
---|
| 392 | do jy=0,ny-1 |
---|
| 393 | do ix=0,nxfield-1 |
---|
| 394 | lsm(ix,jy)=zsec4(nxfield*(ny-jy-1)+ix+1) |
---|
| 395 | end do |
---|
| 396 | end do |
---|
| 397 | endif |
---|
| 398 | if(isec1(6).eq.160) then |
---|
| 399 | do jy=0,ny-1 |
---|
| 400 | do ix=0,nxfield-1 |
---|
| 401 | excessoro(ix,jy)=zsec4(nxfield*(ny-jy-1)+ix+1) |
---|
| 402 | end do |
---|
| 403 | end do |
---|
| 404 | endif |
---|
| 405 | |
---|
| 406 | call grib_release(igrib) |
---|
| 407 | goto 10 !! READ NEXT LEVEL OR PARAMETER |
---|
| 408 | ! |
---|
| 409 | ! CLOSING OF INPUT DATA FILE |
---|
| 410 | ! |
---|
| 411 | |
---|
| 412 | 30 call grib_close_file(ifile) |
---|
| 413 | |
---|
| 414 | !error message if no fields found with correct first longitude in it |
---|
| 415 | if (gotGrid.eq.0) then |
---|
| 416 | print*,'***ERROR: input file needs to contain GRiB1 formatted'// & |
---|
| 417 | 'messages' |
---|
| 418 | stop |
---|
| 419 | endif |
---|
| 420 | |
---|
| 421 | nuvz=iumax |
---|
| 422 | nwz =iwmax |
---|
| 423 | if(nuvz.eq.nlev_ec) nwz=nlev_ec+1 |
---|
| 424 | |
---|
| 425 | if (nuvz+1.gt.nuvzmax) then |
---|
| 426 | write(*,*) 'FLEXPART error: Too many u,v grid points in z '// & |
---|
| 427 | 'direction.' |
---|
| 428 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 429 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 430 | write(*,*) nuvz+1,nuvzmax |
---|
| 431 | stop |
---|
| 432 | endif |
---|
| 433 | |
---|
| 434 | if (nwz.gt.nwzmax) then |
---|
| 435 | write(*,*) 'FLEXPART error: Too many w grid points in z '// & |
---|
| 436 | 'direction.' |
---|
| 437 | write(*,*) 'Reduce resolution of wind fields.' |
---|
| 438 | write(*,*) 'Or change parameter settings in file par_mod.' |
---|
| 439 | write(*,*) nwz,nwzmax |
---|
| 440 | stop |
---|
| 441 | endif |
---|
| 442 | |
---|
| 443 | ! If desired, shift all grids by nxshift grid cells |
---|
| 444 | !************************************************** |
---|
| 445 | |
---|
| 446 | if (xglobal) then |
---|
| 447 | call shift_field_0(oro,nxfield,ny) |
---|
| 448 | call shift_field_0(lsm,nxfield,ny) |
---|
| 449 | call shift_field_0(excessoro,nxfield,ny) |
---|
| 450 | endif |
---|
| 451 | |
---|
| 452 | ! Output of grid info |
---|
| 453 | !******************** |
---|
| 454 | |
---|
[8a65cb0] | 455 | if (lroot) then |
---|
| 456 | write(*,'(a,2i7)') ' Vertical levels in ECMWF data: ', & |
---|
| 457 | nuvz+1,nwz |
---|
| 458 | write(*,*) |
---|
| 459 | write(*,'(a)') ' Mother domain:' |
---|
| 460 | write(*,'(a,f10.5,a,f10.5,a,f10.5)') ' Longitude range: ', & |
---|
| 461 | xlon0,' to ',xlon0+(nx-1)*dx,' Grid distance: ',dx |
---|
| 462 | write(*,'(a,f10.5,a,f10.5,a,f10.5)') ' Latitude range : ', & |
---|
| 463 | ylat0,' to ',ylat0+(ny-1)*dy,' Grid distance: ',dy |
---|
| 464 | write(*,*) |
---|
| 465 | end if |
---|
[e200b7a] | 466 | |
---|
| 467 | ! CALCULATE VERTICAL DISCRETIZATION OF ECMWF MODEL |
---|
| 468 | ! PARAMETER akm,bkm DESCRIBE THE HYBRID "ETA" COORDINATE SYSTEM |
---|
| 469 | |
---|
| 470 | numskip=nlev_ec-nuvz ! number of ecmwf model layers not used |
---|
| 471 | ! by trajectory model |
---|
| 472 | !do 8940 i=1,244 |
---|
| 473 | ! write (*,*) 'zsec2:',i,ifield,zsec2(i),numskip |
---|
| 474 | !940 continue |
---|
| 475 | ! stop |
---|
| 476 | ! SEC SEC SEC |
---|
| 477 | ! for unknown reason zsec 1 to 10 is filled in this version |
---|
| 478 | ! compared to the old one |
---|
| 479 | ! SEC SEC SE |
---|
| 480 | do i=1,nwz |
---|
| 481 | j=numskip+i |
---|
| 482 | k=nlev_ec+1+numskip+i |
---|
| 483 | akm(nwz-i+1)=zsec2(j) |
---|
[4fbe7a5] | 484 | ! write (*,*) 'ifield:',ifield,k,j,zsec2(10+j) |
---|
[e200b7a] | 485 | bkm(nwz-i+1)=zsec2(k) |
---|
| 486 | end do |
---|
| 487 | |
---|
| 488 | ! |
---|
| 489 | ! CALCULATION OF AKZ, BKZ |
---|
| 490 | ! AKZ,BKZ: model discretization parameters at the center of each model |
---|
| 491 | ! layer |
---|
| 492 | ! |
---|
| 493 | ! Assign the 10 m winds to an artificial model level with akz=0 and bkz=1.0, |
---|
| 494 | ! i.e. ground level |
---|
| 495 | !***************************************************************************** |
---|
| 496 | |
---|
| 497 | akz(1)=0. |
---|
| 498 | bkz(1)=1.0 |
---|
| 499 | do i=1,nuvz |
---|
| 500 | akz(i+1)=0.5*(akm(i+1)+akm(i)) |
---|
| 501 | bkz(i+1)=0.5*(bkm(i+1)+bkm(i)) |
---|
| 502 | end do |
---|
| 503 | nuvz=nuvz+1 |
---|
| 504 | |
---|
| 505 | ! NOTE: In FLEXPART versions up to 4.0, the number of model levels was doubled |
---|
| 506 | ! upon the transformation to z levels. In order to save computer memory, this is |
---|
| 507 | ! not done anymore in the standard version. However, this option can still be |
---|
| 508 | ! switched on by replacing the following lines with those below, that are |
---|
| 509 | ! currently commented out. For this, similar changes are necessary in |
---|
| 510 | ! verttransform.f and verttranform_nests.f |
---|
| 511 | !***************************************************************************** |
---|
| 512 | |
---|
| 513 | nz=nuvz |
---|
| 514 | if (nz.gt.nzmax) stop 'nzmax too small' |
---|
| 515 | do i=1,nuvz |
---|
| 516 | aknew(i)=akz(i) |
---|
| 517 | bknew(i)=bkz(i) |
---|
| 518 | end do |
---|
| 519 | |
---|
| 520 | ! Switch on following lines to use doubled vertical resolution |
---|
| 521 | !************************************************************* |
---|
| 522 | !nz=nuvz+nwz-1 |
---|
| 523 | !if (nz.gt.nzmax) stop 'nzmax too small' |
---|
| 524 | !do 100 i=1,nwz |
---|
| 525 | ! aknew(2*(i-1)+1)=akm(i) |
---|
| 526 | !00 bknew(2*(i-1)+1)=bkm(i) |
---|
| 527 | !do 110 i=2,nuvz |
---|
| 528 | ! aknew(2*(i-1))=akz(i) |
---|
| 529 | !10 bknew(2*(i-1))=bkz(i) |
---|
| 530 | ! End doubled vertical resolution |
---|
| 531 | |
---|
| 532 | |
---|
| 533 | ! Determine the uppermost level for which the convection scheme shall be applied |
---|
| 534 | ! by assuming that there is no convection above 50 hPa (for standard SLP) |
---|
| 535 | !***************************************************************************** |
---|
| 536 | |
---|
| 537 | do i=1,nuvz-2 |
---|
| 538 | pint=akz(i)+bkz(i)*101325. |
---|
| 539 | if (pint.lt.5000.) goto 96 |
---|
| 540 | end do |
---|
| 541 | 96 nconvlev=i |
---|
| 542 | if (nconvlev.gt.nconvlevmax-1) then |
---|
| 543 | nconvlev=nconvlevmax-1 |
---|
| 544 | write(*,*) 'Attention, convection only calculated up to ', & |
---|
| 545 | akz(nconvlev)+bkz(nconvlev)*1013.25,' hPa' |
---|
| 546 | endif |
---|
| 547 | |
---|
| 548 | return |
---|
| 549 | |
---|
| 550 | 999 write(*,*) |
---|
| 551 | write(*,*) ' ###########################################'// & |
---|
| 552 | '###### ' |
---|
| 553 | write(*,*) ' TRAJECTORY MODEL SUBROUTINE GRIDCHECK:' |
---|
| 554 | write(*,*) ' CAN NOT OPEN INPUT DATA FILE '//wfname(ifn) |
---|
| 555 | write(*,*) ' ###########################################'// & |
---|
| 556 | '###### ' |
---|
| 557 | write(*,*) |
---|
[8a65cb0] | 558 | write(*,'(a)') '!!! PLEASE INSERT A NEW CD-ROM AND !!!' |
---|
| 559 | write(*,'(a)') '!!! PRESS ANY KEY TO CONTINUE... !!!' |
---|
| 560 | write(*,'(a)') '!!! ...OR TERMINATE FLEXPART PRESSING!!!' |
---|
| 561 | write(*,'(a)') '!!! THE "X" KEY... !!!' |
---|
| 562 | write(*,*) |
---|
| 563 | read(*,'(a)') opt |
---|
| 564 | if(opt.eq.'X') then |
---|
[e200b7a] | 565 | stop |
---|
[8a65cb0] | 566 | else |
---|
| 567 | goto 5 |
---|
| 568 | endif |
---|
[e200b7a] | 569 | |
---|
| 570 | end subroutine gridcheck |
---|
[4fbe7a5] | 571 | |
---|