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00042 #include <stdlib.h>
00043
00044 #include "hydroclimate.h"
00045 #include "hydroparams.h"
00046 #include "hydrotimeser.h"
00047
00048 #ifdef DBG
00049 #include "hydroinout.h"
00050 #endif
00051
00052
00053
00054
00055 int hydrorain()
00056 {
00057
00058
00059
00060
00061 #ifdef DBG
00062 FILE *fid;
00063 #endif
00064
00065 double infiltrate, Pground[daysiy];
00066 double Qsaturationexcess[daysiy], Qinfiltexcess[daysiy];
00067 double Qinfiltration[daysiy], Qi1, Qi2, Qtogw, shldday[maxday];
00068 double Mout, Mannualin, Mannualout;
00069 double Qrainlag[maxday], Qsslag[maxday];
00070 double ratio1, ratio2;
00071 int ii, jj, kk, err;
00072
00073
00074
00075
00076 err = 0;
00077 MPrain = 0.0;
00078 Mannualin = 0.0;
00079 Mannualout = 0.0;
00080 for( ii=0; ii<maxday; ii++ ) {
00081 Qrainlag[ii] = 0.0;
00082 Qsslag[ii] = 0.0;
00083 shldday[ii] = 0.0;
00084 }
00085
00086
00087
00088
00089 for( ii=0; ii<daysiy; ii++ ) {
00090
00091
00092
00093
00094
00095
00096
00097 rainarea[ii] = 0.0;
00098 for( kk=0; kk<nelevbins && kk<FLAindex[ii]; kk++ )
00099 rainarea[ii] += areabins[kk];
00100
00101
00102
00103
00104
00105 if( ii > 0 )
00106 gwstore[ii] = gwstore[ii-1];
00107
00108
00109
00110
00111
00112
00113
00114
00115
00116
00117
00118
00119
00120 Egw[ii] = mn( alphagwe[ep]*pow((gwstore[ii]-gwmin[ep])/(gwmax[ep]-gwmin[ep]),betagwe[ep]), (gwstore[ii]-gwmin[ep])/totalarea[ep] );
00121 Egw[ii] = mx( Egw[ii], 0.0 );
00122 gwstore[ii] -= Egw[ii] * totalarea[ep];
00123
00124 Qss[ii] = mn( alphass[ep]*pow((gwstore[ii]-gwmin[ep])/(gwmax[ep]-gwmin[ep]),betass[ep]), (gwstore[ii]-gwmin[ep])/dTOs );
00125 Qss[ii] = mx( Qss[ii], 0.0 );
00126 gwstore[ii] -= Qss[ii] * dTOs;
00127
00128
00129
00130
00131
00132 if( gwstore[ii] < gwmax[ep] )
00133 Qtogw = mn( Qicetogw[ii]+Qnivaltogw[ii], (gwmax[ep]-gwstore[ii])/dTOs );
00134 else
00135 Qtogw = 0.0;
00136
00137 gwstore[ii] += Qtogw*dTOs;
00138 Qexceedgw[ii] = Qicetogw[ii] + Qnivaltogw[ii] - Qtogw;
00139
00140
00141
00142
00143 ratio1 = (gwstore[ii]-gwmin[ep])/(gwmax[ep]-gwmin[ep]);
00144 ratio2 = (Ko[ep]-pcr[ep])/(pmax[ep]-pcr[ep]);
00145
00146
00147
00148
00149
00150
00151 Pground[ii] = mx( alphag[ep] + betag[ep]*Pdaily[ii], 0.0 );
00152 Ecanopy[ii] = Pdaily[ii] - Pground[ii];
00153
00154
00155
00156
00157
00158
00159
00160
00161
00162
00163
00164
00165 if( gwstore[ii] > gwmin[ep] )
00166 Qsaturationexcess[ii] = (Pground[ii]*rainarea[ii]/dTOs)*alphac[ep]*pow(ratio1,betac[ep]);
00167 else
00168 Qsaturationexcess[ii] = 0.0;
00169
00170
00171
00172
00173
00174
00175
00176 if( Pground[ii] < pcr[ep] )
00177 infiltrate = Pground[ii];
00178 else if( Pground[ii] > pmax[ep] )
00179 infiltrate = Ko[ep];
00180 else infiltrate = Pground[ii]*ratio2 + pcr[ep]*(1-ratio2);
00181
00182
00183
00184
00185
00186
00187
00188 if( gwstore[ii] > gwmin[ep] )
00189 Qi1 = infiltrate*(1.0-ratio1)*rainarea[ii]/dTOs;
00190 else
00191 Qi1 = infiltrate*rainarea[ii]/dTOs;
00192 Qi2 = (gwmax[ep]-gwstore[ii])/dTOs;
00193
00194 Qinfiltration[ii] = mn( Qi1, Qi2 );
00195 gwstore[ii] += Qinfiltration[ii]*dTOs;
00196
00197
00198
00199
00200
00201
00202
00203 Qinfiltexcess[ii] = mx( 0.0, \
00204 Pground[ii]*rainarea[ii]/dTOs - Qsaturationexcess[ii] - Qinfiltration[ii]);
00205
00206
00207
00208
00209
00210
00211 Qrain[ii] = Qsaturationexcess[ii] + Qinfiltexcess[ii];
00212
00213
00214
00215
00216
00217
00218
00219
00220
00221 if( ii < wrapday )
00222 Qrain[ii] += Qrainwrap[ii];
00223
00224
00225
00226
00227 Minput = Pdaily[ii]*rainarea[ii];
00228 if( ii < maxday-daysiy )
00229 Minput += Qrainwrap[ii]*dTOs;
00230 Mout = Ecanopy[ii]*rainarea[ii] + (Qrain[ii] + Qinfiltration[ii])*dTOs;
00231
00232
00233
00234
00235 MPrain += Pdaily[ii]*rainarea[ii];
00236 Mannualin += Minput;
00237 Mannualout += Mout;
00238
00239
00240
00241
00242 if( Minput > 0. && fabs(Mout-Minput)/Minput > masscheck ) {
00243 fprintf( stderr, "ERROR: in HydroRain.c: \n" );
00244 fprintf( stderr, " Daily Mass Balance Error: Mout != Minput \n\n" );
00245 fprintf( stderr, " fabs(Mout-Minput)/Minput > masscheck \n" );
00246 fprintf( stderr, " note: masscheck set in HydroParams.h \n" );
00247 fprintf( stderr, " masscheck = %e (m^3) \n", masscheck );
00248 fprintf( stderr, " fabs(Mout-Minput)/Minput = %e (m^3) \n\n", fabs(Mout-Minput)/Minput );
00249 fprintf( stderr, " \t Minput = Pdaily + Qrainwrap \n" );
00250 fprintf( stderr, " \t Minput \t\t = %e (m^3) \n", Minput );
00251 fprintf( stderr, " \t Pdaily[ii]*rainarea[ii] \t = %e (m^3) \n", Pdaily[ii]*rainarea[ii] );
00252 if( ii < maxday-daysiy )
00253 fprintf( stderr, " \t Qrainwrap[ii] \t\t = %e (m^3) \n\n", Qrainwrap[ii]*dTOs );
00254 else
00255 fprintf( stderr, " \t Qrainwrap[ii] \t\t = 0.0 (m^3) \n\n" );
00256 fprintf( stderr, " \t Mout = Ecanopy + Qrain + Qinfiltration \n" );
00257 fprintf( stderr, " \t Mout \t\t = %e (m^3) \n", Mout );
00258 fprintf( stderr, " \t Ecanopy[ii]*rainarea[ii] \t\t = %e (m^3) \n", Ecanopy[ii]*rainarea[ii] );
00259 fprintf( stderr, " \t Qrain[ii]*dTOs \t\t = %e (m^3) \n", Qrain[ii]*dTOs );
00260 fprintf( stderr, " \t Qinfiltration[ii]*dTOs \t = %e (m^3) \n\n", Qinfiltration[ii]*dTOs );
00261 fprintf( stderr," \t Day \t d \t %d \n", ii+1 );
00262 fprintf( stderr," \t Year \t d \t %d \n", yr+1 );
00263 fprintf( stderr," \t Epoch \t - \t %d \n", ep+1 );
00264 exit(-1);
00265 }
00266
00267
00268
00269
00270
00271 if( gwstore[ii] < gwmin[ep]/1.001 || gwstore[ii] > gwmax[ep]*1.001 ) {
00272 fprintf(stderr,"WARNING in HydroRain.c \n");
00273 fprintf(stderr," gwstore out of range. \n");
00274 fprintf(stderr," criteria: gwmin < gwstore < gwmax \n");
00275 fprintf(stderr," gwmax (m^3) = %e \n", gwmax[ep] );
00276 fprintf(stderr," gwstore (m^3) = %e \n", gwstore[ii] );
00277 fprintf(stderr," gwmin (m^3) = %e \n", gwmin[ep] );
00278 fprintf(stderr," Qss[ii] (m^3) = %e \n", Qss[ii]*dTOs );
00279 fprintf(stderr," Egw[ii] (m^3) = %e \n", Egw[ii]*totalarea[ep] );
00280 err = 1;
00281 }
00282 }
00283
00284
00285
00286
00287 if( (int)( basinlength[ep]/(avgvel[ep]*dTOs) ) >= 3 || Rvol[ep] > 0.0) {
00288
00289
00290
00291
00292
00293
00294
00295
00296
00297
00298
00299
00300 ii = 0;
00301 if( Qrain[ii] > 0.0 ) {
00302 shldday[ii] += shoulderleft*Qrain[ii];
00303 for( jj=0; jj<shouldern-2; jj++ )
00304 shldday[ii+jj+1] += shoulderright[jj]*Qrain[ii];
00305 Qrain[ii] = shouldermain*Qrain[ii];
00306 }
00307 for( ii=1; ii<daysiy; ii++ ) {
00308 if( Qrain[ii] > 0.0 ) {
00309 shldday[ii-1] += shoulderleft*Qrain[ii];
00310 for( jj=0; jj<shouldern-2; jj++ )
00311 shldday[ii+jj+1] += shoulderright[jj]*Qrain[ii];
00312 Qrain[ii] = shouldermain*Qrain[ii];
00313 }
00314 }
00315
00316
00317
00318
00319
00320 for( ii=0; ii<maxday; ii++ )
00321 Qrain[ii] += shldday[ii];
00322 }
00323
00324
00325
00326
00327
00328 for( ii=0; ii<daysiy; ii++ ) {
00329 for( kk=0; kk<nelevbins && kk<FLAindex[ii]; kk++ ) {
00330 Qrainlag[ii+distbins[kk]] += Qrain[ii]*areabins[kk]/rainarea[ii];
00331 Qsslag[ii+distbins[kk]] += Qss[ii]*areabins[kk]/rainarea[ii];
00332 Qrain[ii] -= Qrain[ii]*areabins[kk]/rainarea[ii];
00333 Qss[ii] -= Qss[ii]*areabins[kk]/rainarea[ii];
00334 }
00335 }
00336
00337
00338
00339
00340 for( ii=0; ii<maxday; ii++ ) {
00341 Qrain[ii] += Qrainlag[ii];
00342 Qss[ii] += Qsslag[ii];
00343 }
00344
00345
00346
00347
00348 for( ii=0; ii<wrapday; ii++ )
00349 Qss[ii] += Qsswrap[ii];
00350
00351
00352
00353
00354 if( fabs(Mannualout-Mannualin)/Mannualin > masscheck ) {
00355 fprintf( stderr, "ERROR: in HydroRain.c: \n" );
00356 fprintf( stderr, " Annual Mass Balance Error: Mout != Minput \n\n" );
00357
00358 fprintf( stderr, " fabs(Mannualout-Mannualin)/Mannualin > masscheck \n" );
00359 fprintf( stderr, " note: masscheck set in HydroParams.h \n" );
00360 fprintf( stderr, " masscheck = %e (m^3) \n", masscheck );
00361 fprintf( stderr, " fabs(Mannualout-Mannualin)/Mannualin = %e (m^3) \n\n", fabs(Mannualout-Mannualin)/Mannualin );
00362
00363 fprintf( stderr, " \t Mannualin = Sum(Pdaily+Qrainwrap) \t\t = %e (m^3) \n", Mannualin );
00364 fprintf( stderr, " \t Mannualout = Sum(Ecanopy+Qrain+Qinfiltration) \t = %e (m^3) \n\n", Mannualout );
00365
00366 fprintf( stderr," \t Year \t d \t %d \n", yr+1 );
00367 fprintf( stderr," \t Epoch \t - \t %d \n\n", ep+1 );
00368
00369 exit(-1);
00370 }
00371
00372 #ifdef DBG
00373
00374
00375
00376 fprintf( fidlog, "\n HydroRain Summary values: \n\n" );
00377 fprintf( fidlog, " \t Mannualin = Sum(Pdaily+Qrainwrap) \t\t = %e (m^3) \n", Mannualin );
00378 fprintf( fidlog, " \t Mannualout = Sum(Ecanopy+Qrain+Qinfiltration) \t = %e (m^3) \n\n", Mannualout );
00379
00380
00381
00382
00383
00384
00385 if( tblstart[ep] <= yr && yr <= tblend[ep] ) {
00386 if( (fid = fopen("hydro.p1","a+")) == NULL) {
00387 printf(" HydroRain ERROR: Unable to open the precipitation file hydro.p1 \n");
00388 printf(" non-fatal error, continueing. \n\n");
00389 }
00390 else {
00391 fprintf( fid,"%%\n%%\n%% HydroRain output: \n%%\n" );
00392 fprintf( fid,"%%Daily predicted precipitation and rain runoff for epoch %d \n%%\n", ep+1 );
00393 fprintf( fid,"%%Year \t Day \t Qrain(m^3/s) \t Qsat(m^3/s) \t Qine(m^3/s) \t Qinf(m^3/s) \t Qss(m^3/s) \n" );
00394 fprintf( fid,"%%---- \t --- \t ------------ \t ------------ \t ----------- \t ----------- \t ----------- \n" );
00395 for(ii=0; ii<daysiy; ii++ )
00396 fprintf( fid,"%d \t %d \t %f \t %f \t %f \t %f \t %f \n", yr, ii+1, \
00397 Qrain[ii], Qsaturationexcess[ii], Qinfiltexcess[ii],Qinfiltration[ii],Qss[ii] );
00398 fclose(fid);
00399 }
00400 }
00401
00402 if( tblstart[ep] <= yr && yr <= tblend[ep] ) {
00403 if( (fid = fopen("hydro.p2","a+")) == NULL) {
00404 printf(" HydroRain ERROR: Unable to open the precipitation file hydro.p2 \n");
00405 printf(" non-fatal error, continueing. \n\n");
00406 }
00407 else {
00408 fprintf( fid,"%%\n%%\n%% HydroRain output: \n%%\n" );
00409 fprintf( fid,"%%Daily predicted precipitation and rain runoff for epoch %d \n%%\n", ep+1 );
00410 fprintf( fid,"%%Year \t Day \t Pg(m^3/s) \t Ecanopy(m^3/s)\t Egw(m^3/s) \t GWstore(m^3/s) \n" );
00411 fprintf( fid,"%%---- \t --- \t ------------- \t ------------ \t ------------ \t ------------\n" );
00412 for(ii=0; ii<daysiy; ii++ )
00413 fprintf( fid,"%d \t %d \t %f \t %f \t %f \t %f \n", yr, ii+1, \
00414 Pground[ii]*rainarea[ii]/dTOs, Ecanopy[ii]*rainarea[ii]/dTOs, Egw[ii]*totalarea[ep]/dTOs, \
00415 gwstore[ii]/dTOs );
00416 fclose(fid);
00417 }
00418 }
00419 #endif
00420
00421 return(err);
00422 }