source: issm/trunk-jpl/src/c/modules/SurfaceMassBalancex/SurfaceMassBalancex.cpp@ 26810

Last change on this file since 26810 was 26810, checked in by vverjans, 3 years ago

NEW: added SMB lapse rate computation per basin to SMBautoregression
File size: 19.8 KB
Line 
1/*!\file SurfaceMassBalancex
2 * \brief: calculates SMB
3 */
4
5#include <config.h>
6#include "./SurfaceMassBalancex.h"
7#include "../../shared/shared.h"
8#include "../../toolkits/toolkits.h"
9#include "../modules.h"
10#include "../../classes/Inputs/TransientInput.h"
11#include "../../shared/Random/random.h"
12
13void SmbForcingx(FemModel* femmodel){/*{{{*/
14
15 // void SmbForcingx(smb,ni){
16 // INPUT parameters: ni: working size of arrays
17 // OUTPUT: mass-balance (m/yr ice): agd(NA)
18
19}/*}}}*/
20void SmbGradientsx(FemModel* femmodel){/*{{{*/
21
22 // void SurfaceMassBalancex(hd,agd,ni){
23 // INPUT parameters: ni: working size of arrays
24 // INPUT: surface elevation (m): hd(NA)
25 // OUTPUT: mass-balance (m/yr ice): agd(NA)
26 int v;
27 IssmDouble rho_water; // density of fresh water
28 IssmDouble rho_ice; // density of ice
29 IssmDouble yts; // conversion factor year to second
30
31 /*Loop over all the elements of this partition*/
32 for(Object* & object : femmodel->elements->objects){
33 Element* element=xDynamicCast<Element*>(object);
34
35 /*Allocate all arrays*/
36 int numvertices = element->GetNumberOfVertices();
37 IssmDouble* Href = xNew<IssmDouble>(numvertices); // reference elevation from which deviations are used to calculate the SMB adjustment
38 IssmDouble* Smbref = xNew<IssmDouble>(numvertices); // reference SMB to which deviations are added
39 IssmDouble* b_pos = xNew<IssmDouble>(numvertices); // Hs-SMB relation parameter
40 IssmDouble* b_neg = xNew<IssmDouble>(numvertices); // Hs-SMB relation paremeter
41 IssmDouble* s = xNew<IssmDouble>(numvertices); // surface elevation (m)
42 IssmDouble* smb = xNew<IssmDouble>(numvertices);
43
44 /*Recover SmbGradients*/
45 element->GetInputListOnVertices(Href,SmbHrefEnum);
46 element->GetInputListOnVertices(Smbref,SmbSmbrefEnum);
47 element->GetInputListOnVertices(b_pos,SmbBPosEnum);
48 element->GetInputListOnVertices(b_neg,SmbBNegEnum);
49
50 /*Recover surface elevation at vertices: */
51 element->GetInputListOnVertices(s,SurfaceEnum);
52
53 /*Get material parameters :*/
54 rho_ice=element->FindParam(MaterialsRhoIceEnum);
55 rho_water=element->FindParam(MaterialsRhoFreshwaterEnum);
56
57 /* Get constants */
58 femmodel->parameters->FindParam(&yts,ConstantsYtsEnum);
59
60 // loop over all vertices
61 for(v=0;v<numvertices;v++){
62 if(Smbref[v]>0){
63 smb[v]=Smbref[v]+b_pos[v]*(s[v]-Href[v]);
64 }
65 else{
66 smb[v]=Smbref[v]+b_neg[v]*(s[v]-Href[v]);
67 }
68
69 smb[v]=smb[v]/1000*rho_water/rho_ice; // SMB in m/y ice
70 } //end of the loop over the vertices
71
72 /*Add input to element and Free memory*/
73 element->AddInput(SmbMassBalanceEnum,smb,P1Enum);
74 xDelete<IssmDouble>(Href);
75 xDelete<IssmDouble>(Smbref);
76 xDelete<IssmDouble>(b_pos);
77 xDelete<IssmDouble>(b_neg);
78 xDelete<IssmDouble>(s);
79 xDelete<IssmDouble>(smb);
80 }
81
82}/*}}}*/
83void SmbGradientsElax(FemModel* femmodel){/*{{{*/
84
85 // void SurfaceMassBalancex(hd,agd,ni){
86 // INPUT parameters: ni: working size of arrays
87 // INPUT: surface elevation (m): hd(NA)
88 // OUTPUT: surface mass-balance (m/yr ice): agd(NA)
89 int v;
90
91 /*Loop over all the elements of this partition*/
92 for(Object* & object : femmodel->elements->objects){
93 Element* element=xDynamicCast<Element*>(object);
94
95 /*Allocate all arrays*/
96 int numvertices = element->GetNumberOfVertices();
97 IssmDouble* ela = xNew<IssmDouble>(numvertices); // Equilibrium Line Altitude (m a.s.l) to which deviations are used to calculate the SMB
98 IssmDouble* b_pos = xNew<IssmDouble>(numvertices); // SMB gradient above ELA (m ice eq. per m elevation change)
99 IssmDouble* b_neg = xNew<IssmDouble>(numvertices); // SMB gradient below ELA (m ice eq. per m elevation change)
100 IssmDouble* b_max = xNew<IssmDouble>(numvertices); // Upper cap on SMB rate (m/y ice eq.)
101 IssmDouble* b_min = xNew<IssmDouble>(numvertices); // Lower cap on SMB rate (m/y ice eq.)
102 IssmDouble* s = xNew<IssmDouble>(numvertices); // Surface elevation (m a.s.l.)
103 IssmDouble* smb = xNew<IssmDouble>(numvertices); // SMB (m/y ice eq.)
104
105 /*Recover ELA, SMB gradients, and caps*/
106 element->GetInputListOnVertices(ela,SmbElaEnum);
107 element->GetInputListOnVertices(b_pos,SmbBPosEnum);
108 element->GetInputListOnVertices(b_neg,SmbBNegEnum);
109 element->GetInputListOnVertices(b_max,SmbBMaxEnum);
110 element->GetInputListOnVertices(b_min,SmbBMinEnum);
111
112 /*Recover surface elevation at vertices: */
113 element->GetInputListOnVertices(s,SurfaceEnum);
114
115 /*Loop over all vertices, calculate SMB*/
116 for(v=0;v<numvertices;v++){
117 // if surface is above the ELA
118 if(s[v]>ela[v]){
119 smb[v]=b_pos[v]*(s[v]-ela[v]);
120 }
121 // if surface is below or equal to the ELA
122 else{
123 smb[v]=b_neg[v]*(s[v]-ela[v]);
124 }
125
126 // if SMB is larger than upper cap, set SMB to upper cap
127 if(smb[v]>b_max[v]){
128 smb[v]=b_max[v];
129 }
130 // if SMB is smaller than lower cap, set SMB to lower cap
131 if(smb[v]<b_min[v]){
132 smb[v]=b_min[v];
133 }
134 } //end of the loop over the vertices
135
136 /*Add input to element and Free memory*/
137 element->AddInput(SmbMassBalanceEnum,smb,P1Enum);
138 xDelete<IssmDouble>(ela);
139 xDelete<IssmDouble>(b_pos);
140 xDelete<IssmDouble>(b_neg);
141 xDelete<IssmDouble>(b_max);
142 xDelete<IssmDouble>(b_min);
143 xDelete<IssmDouble>(s);
144 xDelete<IssmDouble>(smb);
145
146 }
147
148}/*}}}*/
149void SmbautoregressionInitx(FemModel* femmodel){/*{{{*/
150
151 /*Initialization step of Smbautoregressionx*/
152 int M,N,Nphi,arorder,numbasins,my_rank;
153 IssmDouble starttime,tstep_ar,tinit_ar;
154 femmodel->parameters->FindParam(&numbasins,SmbNumBasinsEnum);
155 femmodel->parameters->FindParam(&arorder,SmbAutoregressiveOrderEnum);
156 IssmDouble* beta0 = NULL;
157 IssmDouble* beta1 = NULL;
158 IssmDouble* phi = NULL;
159 femmodel->parameters->FindParam(&starttime,TimesteppingStartTimeEnum);
160 femmodel->parameters->FindParam(&tstep_ar,SmbAutoregressionTimestepEnum);
161 femmodel->parameters->FindParam(&tinit_ar,SmbAutoregressionInitialTimeEnum);
162 femmodel->parameters->FindParam(&beta0,&M,SmbBeta0Enum); _assert_(M==numbasins);
163 femmodel->parameters->FindParam(&beta1,&M,SmbBeta1Enum); _assert_(M==numbasins);
164 femmodel->parameters->FindParam(&phi,&M,&Nphi,SmbPhiEnum); _assert_(M==numbasins); _assert_(Nphi==arorder);
165
166 /*AR model spin-up with 0 noise to initialize SmbValuesAutoregressionEnum (688 = log(0.001)/log(0.99): decaying time of inluence of phi[0]=0.99 to 0.001 of beta_0*/
167 int nspin = 688;
168 for(Object* &object:femmodel->elements->objects){
169 Element* element = xDynamicCast<Element*>(object); //generate element object
170 element->AutoregressionInit(numbasins,arorder,nspin,starttime,tstep_ar,tinit_ar,beta0,beta1,phi,SMBautoregressionEnum);
171 }
172 /*Cleanup*/
173 xDelete<IssmDouble>(beta0);
174 xDelete<IssmDouble>(beta1);
175 xDelete<IssmDouble>(phi);
176}/*}}}*/
177void Smbautoregressionx(FemModel* femmodel){/*{{{*/
178
179 /*Get time parameters*/
180 IssmDouble time,dt,starttime,tstep_ar;
181 femmodel->parameters->FindParam(&time,TimeEnum);
182 femmodel->parameters->FindParam(&dt,TimesteppingTimeStepEnum);
183 femmodel->parameters->FindParam(&starttime,TimesteppingStartTimeEnum);
184 femmodel->parameters->FindParam(&tstep_ar,SmbAutoregressionTimestepEnum);
185
186 /*Initialize module at first time step*/
187 if(time<=starttime+dt){SmbautoregressionInitx(femmodel);}
188 /*Determine if this is a time step for the AR model*/
189 bool isstepforar = false;
190
191 #ifndef _HAVE_AD_
192 if((fmod(time,tstep_ar)<fmod((time-dt),tstep_ar)) || (time<=starttime+dt) || tstep_ar==dt) isstepforar = true;
193 #else
194 _error_("not implemented yet");
195 #endif
196
197 /*Load parameters*/
198 bool isstochastic;
199 bool issmbstochastic = false;
200 int M,N,Nphi,arorder,numbasins,my_rank;
201 femmodel->parameters->FindParam(&numbasins,SmbNumBasinsEnum);
202 femmodel->parameters->FindParam(&arorder,SmbAutoregressiveOrderEnum);
203 IssmDouble tinit_ar;
204 IssmDouble* beta0 = NULL;
205 IssmDouble* beta1 = NULL;
206 IssmDouble* phi = NULL;
207 IssmDouble* lapseratepos = NULL;
208 IssmDouble* lapserateneg = NULL;
209 IssmDouble* refelevation = NULL;
210
211 femmodel->parameters->FindParam(&tinit_ar,SmbAutoregressionInitialTimeEnum);
212 femmodel->parameters->FindParam(&beta0,&M,SmbBeta0Enum); _assert_(M==numbasins);
213 femmodel->parameters->FindParam(&beta1,&M,SmbBeta1Enum); _assert_(M==numbasins);
214 femmodel->parameters->FindParam(&phi,&M,&Nphi,SmbPhiEnum); _assert_(M==numbasins); _assert_(Nphi==arorder);
215 femmodel->parameters->FindParam(&lapseratepos,&M,SmbLapseRatePosEnum); _assert_(M==numbasins);
216 femmodel->parameters->FindParam(&lapserateneg,&M,SmbLapseRateNegEnum); _assert_(M==numbasins);
217 femmodel->parameters->FindParam(&refelevation,&M,SmbRefElevationEnum); _assert_(M==numbasins);
218
219 femmodel->parameters->FindParam(&isstochastic,StochasticForcingIsStochasticForcingEnum);
220 if(isstochastic){
221 int numstochasticfields;
222 int* stochasticfields;
223 femmodel->parameters->FindParam(&numstochasticfields,StochasticForcingNumFieldsEnum);
224 femmodel->parameters->FindParam(&stochasticfields,&N,StochasticForcingFieldsEnum); _assert_(N==numstochasticfields);
225 for(int i=0;i<numstochasticfields;i++){
226 if(stochasticfields[i]==SMBautoregressionEnum) issmbstochastic = true;
227 }
228 xDelete<int>(stochasticfields);
229 }
230 /*Time elapsed with respect to AR model initial time*/
231 IssmDouble telapsed_ar = time-tinit_ar;
232
233 /*Loop over each element to compute SMB at vertices*/
234 for(Object* &object:femmodel->elements->objects){
235 Element* element = xDynamicCast<Element*>(object);
236 /*Compute autoregression*/
237 element->Autoregression(isstepforar,arorder,telapsed_ar,beta0,beta1,phi,issmbstochastic,SMBautoregressionEnum);
238 /*Compute lapse rate adjustment*/
239 element->LapseRateBasinSMB(lapseratepos,lapserateneg,refelevation);
240 }
241
242 /*Cleanup*/
243 xDelete<IssmDouble>(beta0);
244 xDelete<IssmDouble>(beta1);
245 xDelete<IssmDouble>(phi);
246 xDelete<IssmDouble>(lapseratepos);
247 xDelete<IssmDouble>(lapserateneg);
248 xDelete<IssmDouble>(refelevation);
249}/*}}}*/
250void Delta18oParameterizationx(FemModel* femmodel){/*{{{*/
251
252 for(Object* & object : femmodel->elements->objects){
253 Element* element=xDynamicCast<Element*>(object);
254 element->Delta18oParameterization();
255 }
256
257}/*}}}*/
258void MungsmtpParameterizationx(FemModel* femmodel){/*{{{*/
259
260 for(Object* & object : femmodel->elements->objects){
261 Element* element=xDynamicCast<Element*>(object);
262 element->MungsmtpParameterization();
263 }
264
265}/*}}}*/
266void Delta18opdParameterizationx(FemModel* femmodel){/*{{{*/
267
268 for(Object* & object : femmodel->elements->objects){
269 Element* element=xDynamicCast<Element*>(object);
270 element->Delta18opdParameterization();
271 }
272
273}/*}}}*/
274void PositiveDegreeDayx(FemModel* femmodel){/*{{{*/
275
276 // void PositiveDegreeDayx(hd,vTempsea,vPrec,agd,Tsurf,ni){
277 // note "v" prefix means 12 monthly means, ie time dimension
278 // INPUT parameters: ni: working size of arrays
279 // INPUT: surface elevation (m): hd(NA)
280 // monthly mean surface sealevel temperature (degrees C): vTempsea(NA
281 // ,NTIME)
282 // monthly mean precip rate (m/yr water equivalent): vPrec(NA,NTIME)
283 // OUTPUT: mass-balance (m/yr ice): agd(NA)
284 // mean annual surface temperature (degrees C): Tsurf(NA)
285
286 int it, jj, itm;
287 IssmDouble DT = 0.02, sigfac, snormfac;
288 IssmDouble signorm = 5.5; // signorm : sigma of the temperature distribution for a normal day
289 IssmDouble siglim; // sigma limit for the integration which is equal to 2.5 sigmanorm
290 IssmDouble signormc = signorm - 0.5; // sigma of the temperature distribution for cloudy day
291 IssmDouble siglimc, siglim0, siglim0c;
292 IssmDouble tstep, tsint, tint, tstepc;
293 int NPDMAX = 1504, NPDCMAX = 1454;
294 //IssmDouble pdds[NPDMAX]={0};
295 //IssmDouble pds[NPDCMAX]={0};
296 IssmDouble pddt, pd ; // pd : snow/precip fraction, precipitation falling as snow
297 IssmDouble PDup, PDCUT = 2.0; // PDcut: rain/snow cutoff temperature (C)
298 IssmDouble tstar; // monthly mean surface temp
299
300 bool ismungsm;
301 bool issetpddfac;
302
303 IssmDouble *pdds = NULL;
304 IssmDouble *pds = NULL;
305 Element *element = NULL;
306
307 pdds=xNew<IssmDouble>(NPDMAX+1);
308 pds=xNew<IssmDouble>(NPDCMAX+1);
309
310 // Get ismungsm parameter
311 femmodel->parameters->FindParam(&ismungsm,SmbIsmungsmEnum);
312
313 // Get issetpddfac parameter
314 femmodel->parameters->FindParam(&issetpddfac,SmbIssetpddfacEnum);
315
316 /* initialize PDD (creation of a lookup table)*/
317 tstep = 0.1;
318 tsint = tstep*0.5;
319 sigfac = -1.0/(2.0*pow(signorm,2));
320 snormfac = 1.0/(signorm*sqrt(2.0*acos(-1.0)));
321 siglim = 2.5*signorm;
322 siglimc = 2.5*signormc;
323 siglim0 = siglim/DT + 0.5;
324 siglim0c = siglimc/DT + 0.5;
325 PDup = siglimc+PDCUT;
326
327 itm = reCast<int,IssmDouble>((2*siglim/DT + 1.5));
328
329 if(itm >= NPDMAX) _error_("increase NPDMAX in massBalance.cpp");
330 for(it = 0; it < itm; it++){
331 // tstar = REAL(it)*DT-siglim;
332 tstar = it*DT-siglim;
333 tint = tsint;
334 pddt = 0.;
335 for ( jj = 0; jj < 600; jj++){
336 if (tint > (tstar+siglim)){break;}
337 pddt = pddt + tint*exp(sigfac*(pow((tint-tstar),2)))*tstep;
338 tint = tint+tstep;
339 }
340 pdds[it] = pddt*snormfac;
341 }
342 pdds[itm+1] = siglim + DT;
343
344 //*********compute PD(T) : snow/precip fraction. precipitation falling as snow
345 tstepc = 0.1;
346 tsint = PDCUT-tstepc*0.5;
347 signormc = signorm - 0.5;
348 sigfac = -1.0/(2.0*pow(signormc,2));
349 snormfac = 1.0/(signormc*sqrt(2.0*acos(-1.0)));
350 siglimc = 2.5*signormc ;
351 itm = reCast<int,IssmDouble>((PDCUT+2.*siglimc)/DT + 1.5);
352 if(itm >= NPDCMAX) _error_("increase NPDCMAX in p35com");
353 for(it = 0; it < itm; it++ ){
354 tstar = it*DT-siglimc;
355 // tstar = REAL(it)*DT-siglimc;
356 tint = tsint; // start against upper bound
357 pd = 0.;
358 for (jj = 0; jj < 600; jj++){
359 if (tint<(tstar-siglimc)) {break;}
360 pd = pd + exp(sigfac*(pow((tint-tstar),2)))*tstepc;
361 tint = tint-tstepc;
362 }
363 pds[it] = pd*snormfac; // gaussian integral lookup table for snow fraction
364 }
365 pds[itm+1] = 0.;
366 // *******END initialize PDD
367
368 for(Object* & object : femmodel->elements->objects){
369 element=xDynamicCast<Element*>(object);
370 element->PositiveDegreeDay(pdds,pds,signorm,ismungsm,issetpddfac);
371 }
372 /*free ressouces: */
373 xDelete<IssmDouble>(pdds);
374 xDelete<IssmDouble>(pds);
375}/*}}}*/
376void PositiveDegreeDaySicopolisx(FemModel* femmodel){/*{{{*/
377
378 bool isfirnwarming;
379 femmodel->parameters->FindParam(&isfirnwarming,SmbIsfirnwarmingEnum);
380
381 for(Object* & object : femmodel->elements->objects){
382 Element* element=xDynamicCast<Element*>(object);
383 element->PositiveDegreeDaySicopolis(isfirnwarming);
384 }
385
386}/*}}}*/
387void SmbHenningx(FemModel* femmodel){/*{{{*/
388
389 /*Intermediaries*/
390 IssmDouble z_critical = 1675.;
391 IssmDouble dz = 0;
392 IssmDouble a = -15.86;
393 IssmDouble b = 0.00969;
394 IssmDouble c = -0.235;
395 IssmDouble f = 1.;
396 IssmDouble g = -0.0011;
397 IssmDouble h = -1.54e-5;
398 IssmDouble smb,smbref,anomaly,yts,z;
399
400 /* Get constants */
401 femmodel->parameters->FindParam(&yts,ConstantsYtsEnum);
402 /*iomodel->FindConstant(&yts,"md.constants.yts");*/
403 /*this->parameters->FindParam(&yts,ConstantsYtsEnum);*/
404 /*Mathieu original*/
405 /*IssmDouble smb,smbref,z;*/
406
407 /*Loop over all the elements of this partition*/
408 for(Object* & object : femmodel->elements->objects){
409 Element* element=xDynamicCast<Element*>(object);
410
411 /*Get reference SMB (uncorrected) and allocate all arrays*/
412 int numvertices = element->GetNumberOfVertices();
413 IssmDouble* surfacelist = xNew<IssmDouble>(numvertices);
414 IssmDouble* smblistref = xNew<IssmDouble>(numvertices);
415 IssmDouble* smblist = xNew<IssmDouble>(numvertices);
416 element->GetInputListOnVertices(surfacelist,SurfaceEnum);
417 element->GetInputListOnVertices(smblistref,SmbSmbrefEnum);
418
419 /*Loop over all vertices of element and correct SMB as a function of altitude z*/
420 for(int v=0;v<numvertices;v++){
421
422 /*Get vertex elevation, anoma smb*/
423 z = surfacelist[v];
424 anomaly = smblistref[v];
425
426 /* Henning edited acc. to Riannes equations*/
427 /* Set SMB maximum elevation, if dz = 0 -> z_critical = 1675 */
428 z_critical = z_critical + dz;
429
430 /* Calculate smb acc. to the surface elevation z */
431 if(z<z_critical){
432 smb = a + b*z + c;
433 }
434 else{
435 smb = (a + b*z)*(f + g*(z-z_critical) + h*(z-z_critical)*(z-z_critical)) + c;
436 }
437
438 /* Compute smb including anomaly,
439 correct for number of seconds in a year [s/yr]*/
440 smb = smb/yts + anomaly;
441
442 /*Update array accordingly*/
443 smblist[v] = smb;
444
445 }
446
447 /*Add input to element and Free memory*/
448 element->AddInput(SmbMassBalanceEnum,smblist,P1Enum);
449 xDelete<IssmDouble>(surfacelist);
450 xDelete<IssmDouble>(smblistref);
451 xDelete<IssmDouble>(smblist);
452 }
453
454}/*}}}*/
455void SmbComponentsx(FemModel* femmodel){/*{{{*/
456
457 // void SmbComponentsx(acc,evap,runoff,ni){
458 // INPUT parameters: ni: working size of arrays
459 // INPUT: surface accumulation (m/yr water equivalent): acc
460 // surface evaporation (m/yr water equivalent): evap
461 // surface runoff (m/yr water equivalent): runoff
462 // OUTPUT: mass-balance (m/yr ice): agd(NA)
463
464 /*Loop over all the elements of this partition*/
465 for(Object* & object : femmodel->elements->objects){
466 Element* element=xDynamicCast<Element*>(object);
467
468 /*Allocate all arrays*/
469 int numvertices = element->GetNumberOfVertices();
470 IssmDouble* acc = xNew<IssmDouble>(numvertices);
471 IssmDouble* evap = xNew<IssmDouble>(numvertices);
472 IssmDouble* runoff = xNew<IssmDouble>(numvertices);
473 IssmDouble* smb = xNew<IssmDouble>(numvertices);
474
475 /*Recover Smb Components*/
476 element->GetInputListOnVertices(acc,SmbAccumulationEnum);
477 element->GetInputListOnVertices(evap,SmbEvaporationEnum);
478 element->GetInputListOnVertices(runoff,SmbRunoffEnum);
479
480 // loop over all vertices
481 for(int v=0;v<numvertices;v++) smb[v]=acc[v]-evap[v]-runoff[v];
482
483 /*Add input to element and Free memory*/
484 element->AddInput(SmbMassBalanceEnum,smb,P1Enum);
485 xDelete<IssmDouble>(acc);
486 xDelete<IssmDouble>(evap);
487 xDelete<IssmDouble>(runoff);
488 xDelete<IssmDouble>(smb);
489 }
490
491}/*}}}*/
492void SmbMeltComponentsx(FemModel* femmodel){/*{{{*/
493
494 // void SmbMeltComponentsx(acc,evap,melt,refreeze,ni){
495 // INPUT parameters: ni: working size of arrays
496 // INPUT: surface accumulation (m/yr water equivalent): acc
497 // surface evaporation (m/yr water equivalent): evap
498 // surface melt (m/yr water equivalent): melt
499 // refreeze of surface melt (m/yr water equivalent): refreeze
500 // OUTPUT: mass-balance (m/yr ice): agd(NA)
501
502 /*Loop over all the elements of this partition*/
503 for(Object* & object : femmodel->elements->objects){
504 Element* element=xDynamicCast<Element*>(object);
505
506 /*Allocate all arrays*/
507 int numvertices = element->GetNumberOfVertices();
508 IssmDouble* acc = xNew<IssmDouble>(numvertices);
509 IssmDouble* evap = xNew<IssmDouble>(numvertices);
510 IssmDouble* melt = xNew<IssmDouble>(numvertices);
511 IssmDouble* refreeze = xNew<IssmDouble>(numvertices);
512 IssmDouble* smb = xNew<IssmDouble>(numvertices);
513
514 /*Recover Smb Components*/
515 element->GetInputListOnVertices(acc,SmbAccumulationEnum);
516 element->GetInputListOnVertices(evap,SmbEvaporationEnum);
517 element->GetInputListOnVertices(melt,SmbMeltEnum);
518 element->GetInputListOnVertices(refreeze,SmbRefreezeEnum);
519
520 // loop over all vertices
521 for(int v=0;v<numvertices;v++) smb[v]=acc[v]-evap[v]-melt[v]+refreeze[v];
522
523 /*Add input to element and Free memory*/
524 element->AddInput(SmbMassBalanceEnum,smb,P1Enum);
525 xDelete<IssmDouble>(acc);
526 xDelete<IssmDouble>(evap);
527 xDelete<IssmDouble>(melt);
528 xDelete<IssmDouble>(refreeze);
529 xDelete<IssmDouble>(smb);
530 }
531
532}/*}}}*/
533void SmbGradientsComponentsx(FemModel* femmodel){/*{{{*/
534
535 for(Object* & object : femmodel->elements->objects){
536 Element* element=xDynamicCast<Element*>(object);
537 element->SmbGradCompParameterization();
538 }
539
540}/*}}}*/
541#ifdef _HAVE_SEMIC_
542void SmbSemicx(FemModel* femmodel){/*{{{*/
543
544 for(Object* & object : femmodel->elements->objects){
545 Element* element=xDynamicCast<Element*>(object);
546 element->SmbSemic();
547 }
548
549}/*}}}*/
550#else
551void SmbSemicx(FemModel* femmodel){_error_("SEMIC not installed");}
552#endif //_HAVE_SEMIC_
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