| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/profiles/profiles_interp.F,v 1.4 2006/05/06 15:14:01 heimbach Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "PROFILES_OPTIONS.h" |
| 5 |
|
| 6 |
C o==========================================================o |
| 7 |
C | subroutine profiles_interp | |
| 8 |
C | o 3D interpolation of model counterparts | |
| 9 |
C | for netcdf profiles data | |
| 10 |
C | started: Gael Forget 15-March-2006 | |
| 11 |
C o==========================================================o |
| 12 |
|
| 13 |
SUBROUTINE profiles_interp( |
| 14 |
O traj_cur_out, |
| 15 |
I lon_cur, |
| 16 |
I lat_cur, |
| 17 |
I type_cur, |
| 18 |
I file_cur, |
| 19 |
I mytime, |
| 20 |
I bi, |
| 21 |
I bj, |
| 22 |
I myThid |
| 23 |
& ) |
| 24 |
|
| 25 |
implicit none |
| 26 |
|
| 27 |
C ==================== Global Variables =========================== |
| 28 |
#include "EEPARAMS.h" |
| 29 |
#include "SIZE.h" |
| 30 |
#include "GRID.h" |
| 31 |
#include "DYNVARS.h" |
| 32 |
#include "PARAMS.h" |
| 33 |
#ifdef ALLOW_CAL |
| 34 |
#include "cal.h" |
| 35 |
#endif |
| 36 |
#ifdef ALLOW_PROFILES |
| 37 |
# include "profiles.h" |
| 38 |
#else |
| 39 |
integer NLEVELMAX |
| 40 |
parameter (NLEVELMAX=1) |
| 41 |
#endif |
| 42 |
#ifdef ALLOW_PTRACERS |
| 43 |
#include "PTRACERS_SIZE.h" |
| 44 |
#include "PTRACERS.h" |
| 45 |
#endif |
| 46 |
C ==================== Routine Variables ========================== |
| 47 |
_RL mytime |
| 48 |
integer mythid |
| 49 |
integer type_cur,file_cur |
| 50 |
_RL traj_cur_out(NLEVELMAX) |
| 51 |
_RL lon_cur,lat_cur |
| 52 |
|
| 53 |
#ifdef ALLOW_PROFILES |
| 54 |
|
| 55 |
C ==================== Local Variables ========================== |
| 56 |
_RL tab_coeffs1(2,2),tab_coeffs2(2,2),tab_coeffs3(2,2) |
| 57 |
_RL ponderations(2,2),pondsSUM,distance1,distance2 |
| 58 |
integer i,j,k,kk,kcur,iG,jG,bi,bj |
| 59 |
_RL traj_cur(nR),mask_cur(nR) |
| 60 |
integer prof_i,prof_j |
| 61 |
_RL lon_tmp1,lon_tmp2,lon_1,lon_2,lat_1,lat_2,tmp_coeff |
| 62 |
c-- == end of interface == |
| 63 |
|
| 64 |
prof_i=-10 |
| 65 |
prof_j=-10 |
| 66 |
lon_1=-10 |
| 67 |
lon_2=-10 |
| 68 |
lat_1=-10 |
| 69 |
lat_2=-10 |
| 70 |
|
| 71 |
DO j=1,sNy+1 |
| 72 |
DO i=1,sNx+1 |
| 73 |
|
| 74 |
cgf value of j, south of the data point: |
| 75 |
if (type_cur.NE.4) then |
| 76 |
if ((yC(i,j,bi,bj).LE.lat_cur).AND. |
| 77 |
& (yC(i,j+1,bi,bj).GT.lat_cur)) then |
| 78 |
prof_j=j |
| 79 |
lat_1=yC(i,j,bi,bj) |
| 80 |
lat_2=yC(i,j+1,bi,bj) |
| 81 |
else |
| 82 |
prof_j=prof_j |
| 83 |
lat_1=lat_1 |
| 84 |
lat_2=lat_2 |
| 85 |
endif |
| 86 |
else |
| 87 |
if ((yG(i,j,bi,bj).LE.lat_cur).AND. |
| 88 |
& (yG(i,j+1,bi,bj).GT.lat_cur)) then |
| 89 |
prof_j=j |
| 90 |
lat_1=yG(i,j,bi,bj) |
| 91 |
lat_2=yG(i,j+1,bi,bj) |
| 92 |
else |
| 93 |
prof_j=prof_j |
| 94 |
lat_1=lat_1 |
| 95 |
lat_2=lat_2 |
| 96 |
endif |
| 97 |
endif |
| 98 |
|
| 99 |
cgf value of i, west of the data point: |
| 100 |
if (type_cur.NE.3) then |
| 101 |
if (xC(i+1,j,bi,bj).LT.xC(1,j,bi,bj)) then |
| 102 |
lon_tmp2=xC(i+1,j,bi,bj)+360 |
| 103 |
else |
| 104 |
lon_tmp2=xC(i+1,j,bi,bj) |
| 105 |
endif |
| 106 |
if (xC(i,j,bi,bj).LT.xC(1,j,bi,bj)) then |
| 107 |
lon_tmp1=xC(i,j,bi,bj)+360 |
| 108 |
else |
| 109 |
lon_tmp1=xC(i,j,bi,bj) |
| 110 |
endif |
| 111 |
else |
| 112 |
if (xG(i+1,j,bi,bj).LT.xG(1,j,bi,bj)) then |
| 113 |
lon_tmp2=xG(i+1,j,bi,bj)+360 |
| 114 |
else |
| 115 |
lon_tmp2=xG(i+1,j,bi,bj) |
| 116 |
endif |
| 117 |
if (xG(i,j,bi,bj).LT.xG(1,j,bi,bj)) then |
| 118 |
lon_tmp1=xG(i,j,bi,bj)+360 |
| 119 |
else |
| 120 |
lon_tmp1=xG(i,j,bi,bj) |
| 121 |
endif |
| 122 |
endif |
| 123 |
if ((lon_tmp1.LE.lon_cur).AND. |
| 124 |
&(lon_tmp2.GT.lon_cur)) then |
| 125 |
prof_i=i |
| 126 |
lon_1=lon_tmp1 |
| 127 |
lon_2=lon_tmp2 |
| 128 |
else |
| 129 |
prof_i=prof_i |
| 130 |
lon_1=lon_1 |
| 131 |
lon_2=lon_2 |
| 132 |
endif |
| 133 |
|
| 134 |
ENDDO |
| 135 |
ENDDO |
| 136 |
|
| 137 |
|
| 138 |
if ((prof_i.NE.-10).AND.(prof_j.NE.-10)) then |
| 139 |
cgf) spatial interpolation |
| 140 |
|
| 141 |
distance1=(lat_cur-lat_1)/(lat_2-lat_1) |
| 142 |
distance2=(lon_cur-lon_1)/(lon_2-lon_1) |
| 143 |
tab_coeffs2(1,1)=(1-distance2)*(1-distance1) |
| 144 |
tab_coeffs2(1,2)=distance2*(1-distance1) |
| 145 |
tab_coeffs2(2,1)=(1-distance2)*distance1 |
| 146 |
tab_coeffs2(2,2)=distance2*distance1 |
| 147 |
|
| 148 |
do k=1,nr |
| 149 |
if (type_cur.EQ.1) then |
| 150 |
tab_coeffs1(1,1)=theta(prof_i,prof_j,k,bi,bj) !SO |
| 151 |
tab_coeffs1(1,2)=theta(prof_i+1,prof_j,k,bi,bj) !SE |
| 152 |
tab_coeffs1(2,1)=theta(prof_i,prof_j+1,k,bi,bj) !NO |
| 153 |
tab_coeffs1(2,2)=theta(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 154 |
tab_coeffs3(1,1)=maskC(prof_i,prof_j,k,bi,bj) !SO |
| 155 |
tab_coeffs3(1,2)=maskC(prof_i+1,prof_j,k,bi,bj) !SE |
| 156 |
tab_coeffs3(2,1)=maskC(prof_i,prof_j+1,k,bi,bj) !NO |
| 157 |
tab_coeffs3(2,2)=maskC(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 158 |
elseif (type_cur.EQ.2) then |
| 159 |
tab_coeffs1(1,1)=salt(prof_i,prof_j,k,bi,bj) !SO |
| 160 |
tab_coeffs1(1,2)=salt(prof_i+1,prof_j,k,bi,bj) !SE |
| 161 |
tab_coeffs1(2,1)=salt(prof_i,prof_j+1,k,bi,bj) !NO |
| 162 |
tab_coeffs1(2,2)=salt(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 163 |
tab_coeffs3(1,1)=maskC(prof_i,prof_j,k,bi,bj) !SO |
| 164 |
tab_coeffs3(1,2)=maskC(prof_i+1,prof_j,k,bi,bj) !SE |
| 165 |
tab_coeffs3(2,1)=maskC(prof_i,prof_j+1,k,bi,bj) !NO |
| 166 |
tab_coeffs3(2,2)=maskC(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 167 |
elseif (type_cur.EQ.3) then |
| 168 |
tab_coeffs1(1,1)=uVel(prof_i,prof_j,k,bi,bj) !SO |
| 169 |
tab_coeffs1(1,2)=uVel(prof_i+1,prof_j,k,bi,bj) !SE |
| 170 |
tab_coeffs1(2,1)=uVel(prof_i,prof_j+1,k,bi,bj) !NO |
| 171 |
tab_coeffs1(2,2)=uVel(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 172 |
tab_coeffs3(1,1)=maskW(prof_i,prof_j,k,bi,bj) !SO |
| 173 |
tab_coeffs3(1,2)=maskW(prof_i+1,prof_j,k,bi,bj) !SE |
| 174 |
tab_coeffs3(2,1)=maskW(prof_i,prof_j+1,k,bi,bj) !NO |
| 175 |
tab_coeffs3(2,2)=maskW(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 176 |
elseif (type_cur.EQ.4) then |
| 177 |
tab_coeffs1(1,1)=vVel(prof_i,prof_j,k,bi,bj) !SO |
| 178 |
tab_coeffs1(1,2)=vVel(prof_i+1,prof_j,k,bi,bj) !SE |
| 179 |
tab_coeffs1(2,1)=vVel(prof_i,prof_j+1,k,bi,bj) !NO |
| 180 |
tab_coeffs1(2,2)=vVel(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 181 |
tab_coeffs3(1,1)=maskS(prof_i,prof_j,k,bi,bj) !SO |
| 182 |
tab_coeffs3(1,2)=maskS(prof_i+1,prof_j,k,bi,bj) !SE |
| 183 |
tab_coeffs3(2,1)=maskS(prof_i,prof_j+1,k,bi,bj) !NO |
| 184 |
tab_coeffs3(2,2)=maskS(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 185 |
elseif (type_cur.EQ.5) then |
| 186 |
#ifdef ALLOW_PTRACERS |
| 187 |
cgf if this gets used, an additional common block could be defined, containing |
| 188 |
cgf the pTracer number (now 1, hard-coded), that would be read from the .nc input file |
| 189 |
tab_coeffs1(1,1)=pTracer(prof_i,prof_j,k,bi,bj,1) !SO |
| 190 |
tab_coeffs1(1,2)=pTracer(prof_i+1,prof_j,k,bi,bj,1) !SE |
| 191 |
tab_coeffs1(2,1)=pTracer(prof_i,prof_j+1,k,bi,bj,1) !NO |
| 192 |
tab_coeffs1(2,2)=pTracer(prof_i+1,prof_j+1,k,bi,bj,1) !NZ |
| 193 |
#else |
| 194 |
tab_coeffs1(1,1)=0 !SO |
| 195 |
tab_coeffs1(1,2)=0 !SE |
| 196 |
tab_coeffs1(2,1)=0 !NO |
| 197 |
tab_coeffs1(2,2)=0 !NZ |
| 198 |
#endif |
| 199 |
tab_coeffs3(1,1)=maskC(prof_i,prof_j,k,bi,bj) !SO |
| 200 |
tab_coeffs3(1,2)=maskC(prof_i+1,prof_j,k,bi,bj) !SE |
| 201 |
tab_coeffs3(2,1)=maskC(prof_i,prof_j+1,k,bi,bj) !NO |
| 202 |
tab_coeffs3(2,2)=maskC(prof_i+1,prof_j+1,k,bi,bj) !NZ |
| 203 |
elseif (type_cur.EQ.6) then |
| 204 |
tab_coeffs1(1,1)=etan(prof_i,prof_j,bi,bj) !SO |
| 205 |
tab_coeffs1(1,2)=etan(prof_i+1,prof_j,bi,bj) !SE |
| 206 |
tab_coeffs1(2,1)=etan(prof_i,prof_j+1,bi,bj) !NO |
| 207 |
tab_coeffs1(2,2)=etan(prof_i+1,prof_j+1,bi,bj) !NZ |
| 208 |
tab_coeffs3(1,1)=maskC(prof_i,prof_j,1,bi,bj) !SO |
| 209 |
tab_coeffs3(1,2)=maskC(prof_i+1,prof_j,1,bi,bj) !SE |
| 210 |
tab_coeffs3(2,1)=maskC(prof_i,prof_j+1,1,bi,bj) !NO |
| 211 |
tab_coeffs3(2,2)=maskC(prof_i+1,prof_j+1,1,bi,bj) !NZ |
| 212 |
else |
| 213 |
tab_coeffs1(1,1)=0. |
| 214 |
tab_coeffs1(2,1)=0. |
| 215 |
tab_coeffs1(1,2)=0. |
| 216 |
tab_coeffs1(2,2)=0. |
| 217 |
tab_coeffs3(1,1)=0. |
| 218 |
tab_coeffs3(2,1)=0. |
| 219 |
tab_coeffs3(1,2)=0. |
| 220 |
tab_coeffs3(2,2)=0. |
| 221 |
endif |
| 222 |
|
| 223 |
ponderations(1,1)=tab_coeffs3(1,1)*tab_coeffs2(1,1) |
| 224 |
ponderations(1,2)=tab_coeffs3(1,2)*tab_coeffs2(1,2) |
| 225 |
ponderations(2,1)=tab_coeffs3(2,1)*tab_coeffs2(2,1) |
| 226 |
ponderations(2,2)=tab_coeffs3(2,2)*tab_coeffs2(2,2) |
| 227 |
pondsSUM=ponderations(1,1)+ponderations(2,1)+ponderations(1,2)+ |
| 228 |
& ponderations(2,2) |
| 229 |
|
| 230 |
if (pondsSUM.GT.0) then |
| 231 |
tab_coeffs1(1,1)=tab_coeffs1(1,1)*ponderations(1,1)/pondsSUM |
| 232 |
tab_coeffs1(1,2)=tab_coeffs1(1,2)*ponderations(1,2)/pondsSUM |
| 233 |
tab_coeffs1(2,1)=tab_coeffs1(2,1)*ponderations(2,1)/pondsSUM |
| 234 |
tab_coeffs1(2,2)=tab_coeffs1(2,2)*ponderations(2,2)/pondsSUM |
| 235 |
traj_cur(k)=tab_coeffs1(1,1)+tab_coeffs1(2,1)+ |
| 236 |
& tab_coeffs1(1,2)+tab_coeffs1(2,2) |
| 237 |
mask_cur(k)=1 |
| 238 |
else |
| 239 |
traj_cur(k)=0 |
| 240 |
mask_cur(k)=0 |
| 241 |
endif |
| 242 |
enddo |
| 243 |
|
| 244 |
else |
| 245 |
do k=1,nr |
| 246 |
traj_cur(k)=0 |
| 247 |
mask_cur(k)=0 |
| 248 |
enddo |
| 249 |
endif |
| 250 |
|
| 251 |
cgf vertical interpolation: |
| 252 |
do kk=1,NLEVELMAX |
| 253 |
traj_cur_out(kk)=0 |
| 254 |
prof_mask1D_cur(kk,bi,bj)=0 |
| 255 |
enddo |
| 256 |
do kk=1,ProfDepthNo(file_cur,bi,bj) |
| 257 |
c case 1: above first grid center=> first grid center value |
| 258 |
if (prof_depth(file_cur,kk,bi,bj).LT.-rC(1)) then |
| 259 |
traj_cur_out(kk)=traj_cur(1) |
| 260 |
prof_mask1D_cur(kk,bi,bj)=mask_cur(1) |
| 261 |
c case 2: just below last grid center=> last cell value |
| 262 |
elseif (prof_depth(file_cur,kk,bi,bj).GE.-rC(nr)) then |
| 263 |
if ( prof_depth(file_cur,kk,bi,bj) .LT. |
| 264 |
& (-rC(nr)+drC(nr)/2) ) then |
| 265 |
traj_cur_out(kk)=traj_cur(nr) |
| 266 |
prof_mask1D_cur(kk,bi,bj)=mask_cur(nr) |
| 267 |
endif |
| 268 |
c case 3: between two grid centers |
| 269 |
else |
| 270 |
kcur=0 |
| 271 |
do k=1,nr-1 |
| 272 |
if ((prof_depth(file_cur,kk,bi,bj).GE.-rC(k)).AND. |
| 273 |
& (prof_depth(file_cur,kk,bi,bj).LT.-rC(k+1))) then |
| 274 |
kcur=k |
| 275 |
endif |
| 276 |
enddo |
| 277 |
if (kcur.EQ.0) then |
| 278 |
print*,"profiles_interp unexpected case: stop 1" |
| 279 |
stop |
| 280 |
endif |
| 281 |
if (mask_cur(kcur+1).EQ.1.) then |
| 282 |
c subcase 1: 2 wet points=>linear interpolation |
| 283 |
tmp_coeff=(prof_depth(file_cur,kk,bi,bj)+rC(kcur))/ |
| 284 |
& (-rC(kcur+1)+rC(kcur)) |
| 285 |
traj_cur_out(kk)=(1-tmp_coeff)*traj_cur(kcur) |
| 286 |
& +tmp_coeff*traj_cur(kcur+1) |
| 287 |
prof_mask1D_cur(kk,bi,bj)=1 |
| 288 |
if (mask_cur(kcur).EQ.0.) then |
| 289 |
print*,"profiles_interp unexpected case: stop 2" |
| 290 |
stop |
| 291 |
endif |
| 292 |
elseif (prof_depth(file_cur,kk,bi,bj).LT.-rF(kcur+1)) then |
| 293 |
c subcase 2: only 1 wet point just above=>upper cell value |
| 294 |
traj_cur_out(kk)=traj_cur(kcur) |
| 295 |
prof_mask1D_cur(kk,bi,bj)=mask_cur(kcur) |
| 296 |
endif |
| 297 |
endif |
| 298 |
enddo |
| 299 |
|
| 300 |
|
| 301 |
#endif |
| 302 |
|
| 303 |
end |
| 304 |
|
Parent Directory
| 
Revision Log
| 
Revision Graph