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gforget |
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function [myFld,myFld1]=profiles_subgrid_stats_assemble(choiceVar,lev,choiceDir,choiceFld); |
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%... one level at a time |
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doSave=1 |
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choiceGrid='v4'; |
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%choiceDir=2; |
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%choiceFld=2; |
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%========= PART 1 : load grid & atlases ======== |
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gcmfaces_global; |
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%listSGN=[0 8 4 2 1];%for cs24 |
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if strcmp(choiceGrid,'cs96'); |
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%full suite for cs96 |
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listSGN=[0 48 32 24 16 12 8 6 4 3 2 1]; |
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dirGrid='/net/weddell/raid3/gforget/grids/gridCompleted/cube_FM/'; |
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%dirGrid='/Users/gforget/mywork/projects_inprogress/2012mayInputs/insitu/processed/'; |
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grid_load_native([dirGrid 'cube_96/'],6); |
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else; |
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;%for ecco v4 |
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listSGN=[0 45 30 18 15 10 9 6 5 3 2 1] |
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dirGrid='/net/nares/raid10/gforget/2012julyIters/GRID/'; |
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%dirGrid='/net/weddell/raid3/gforget/ecco_v4/GRID/'; |
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%dirGrid='GRID/'; |
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%grid_load(dirGrid,5,'compact'); |
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end; |
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global atlasT atlasS; |
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if isempty(atlasT); |
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dirAtlas='/net/weddell/raid3/gforget/ecco_v4/input_files/'; |
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%dirAtlas='/Users/gforget/mywork/projects_inprogress/2012mayInputs/atlas/bin/'; |
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%atlasT=v4_read_bin([dirAtlas 'T_OWPv1_Y_eccollc_90x50.bin']); |
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%atlasS=v4_read_bin([dirAtlas 'S_OWPv1_Y_eccollc_90x50.bin']); |
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end; |
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%========= PART 2 : load and average estimates of std ======== |
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if choiceDir==1; |
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dirOut='/net/nares/raid10/gforget/2012julyIters/ecco_it0003/mode_water_analyses/profiles_subgrid_stats/' |
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elseif choiceDir==2; |
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dirOut='/net/nares/raid10/gforget/2012julyIters/ecco_it0003/mode_water_analyses/profiles_subgrid_r3it3/' |
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elseif choiceDir==3; |
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dirOut='/net/nares/raid10/gforget/2012julyIters/ecco_it0003/mode_water_analyses/profiles_subgrid_argo/' |
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end; |
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%dirOut='~/mywork/projects_inprogress/2012mayInputs/insitu/tmp/'; |
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%if result was not completed, then skip: |
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test0=dir([dirOut choiceGrid '_' choiceVar '_k' num2str(lev) '_' num2str(1) '.mat']); |
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if isempty(test0); myFld=NaN*mygrid.RAC; myFld1=myFld; return; end; |
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myWeightPower=4 |
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for sgn=listSGN; |
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eval(['load ' dirOut choiceGrid '_' choiceVar '_k' num2str(lev) '_' num2str(sgn) '.mat myStat;']); |
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%"bootstrap" |
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kk=find(listSGN==sgn); |
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if kk==1; |
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myFld=myStat; |
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w=myStat.nb/(sqrt(90*1170)^myWeightPower); |
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myFld.nb=w; |
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myFld.mea=myStat.mea.*w; |
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myFld.prc10=myStat.prc10.*w; |
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myFld.med=myStat.med.*w; |
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myFld.prc90=myStat.prc90.*w; |
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else; |
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w=myStat.nb/(sgn^myWeightPower); |
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if 0; |
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figureL; |
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subplot(2,1,1); qwckplot(w); colorbar; |
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subplot(2,1,2); qwckplot(myFld.nb); colorbar; |
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end; |
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myFld.nb=myFld.nb+w; |
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myFld.mea=myFld.mea+myStat.mea.*w; |
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myFld.prc10=myFld.prc10+myStat.prc10.*w; |
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myFld.med=myFld.med+myStat.med.*w; |
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myFld.prc90=myFld.prc90+myStat.prc90.*w; |
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end; |
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end; |
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%THIS WAS A BUG : myFld.nb=myFld.nb+w; |
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myFld.mea=(myFld.mea./myFld.nb); |
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myFld.prc10=(myFld.prc10./myFld.nb); |
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myFld.med=(myFld.med./myFld.nb); |
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myFld.prc90=(myFld.prc90./myFld.nb); |
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myFld.msk=mygrid.mskC(:,:,lev); |
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%original value & "local" value forcing: |
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if choiceFld==1; |
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myFld1=myFld.msk.*myFld.prc10; suff='prc10'; |
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elseif choiceFld==2; |
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myFld1=myFld.msk.*myFld.med; suff='med'; |
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elseif choiceFld==3; |
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myFld1=myFld.msk.*myFld.prc90; suff='prc90'; |
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end; |
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%========= PART 3 : smoothing setup ======== |
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if 0;%simple smoothing, which does not account for no. of obs |
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eval(['myFld.mean=myFld.msk.*atlas' choiceVar '(:,:,lev);']); |
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myFld.sm0=diffsmooth2D(myFld1,mygrid.DXC*3,mygrid.DYC*3); |
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dxy=3*sqrt(mygrid.RAC); |
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myFld.sm1=diffsmooth2D(myFld1,dxy,dxy); |
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myFld.sm2=diffsmooth2Drotated(myFld1,dxy,dxy/10,myFld.mean); |
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end; |
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%scale the diffusive operator: |
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dxLarge=3*sqrt(mygrid.RAC); |
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dxSmall=0.1*dxLarge; |
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%time scale: |
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tmp0=dxLarge./mygrid.DXC; tmp0(isnan(myFld1))=NaN; tmp00=nanmax(tmp0); |
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tmp0=dxLarge./mygrid.DYC; tmp0(isnan(myFld1))=NaN; tmp00=max([tmp00 nanmax(tmp0)]); |
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nbt=tmp00; |
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nbt=ceil(1.1*2*nbt^2); |
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dt=1; |
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T=nbt*dt; |
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%build diffusion operator: |
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kLarge=dxLarge.*dxLarge/T/2; |
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kSmall=dxSmall.*dxSmall/T/2; |
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if 1;%isotropic diffusion, rather than slanted diffusion |
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Kux=dxLarge.*dxLarge/T/2; |
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Kvy=dxLarge.*dxLarge/T/2; |
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Kuy=[]; Kvx=[]; |
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else;%slanted diffusion |
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eval(['myFld.mean=myFld.msk.*atlas' choiceVar '(:,:,lev);']); |
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[Kux,Kuy,Kvx,Kvy]=diffrotated(kLarge,kSmall,myFld.mean); |
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end; |
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%finalize diffusion/smoothing problem set-up: |
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myOp.dt=1; |
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% myOp.nbt=nbt; |
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myOp.eps=1e-3; |
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myOp.Kux=Kux; |
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myOp.Kuy=Kuy; |
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myOp.Kvx=Kvx; |
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myOp.Kvy=Kvy; |
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%========= PART 4 : relaxation term setup ======== |
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%1) set relaxation strength: (local <-> smoother) |
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%--------------------------- |
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%use the myFld.nb index, modified as follows |
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w=myFld.nb; |
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%I do a linear transiton in log10 |
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w=log10(w); |
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%by mapping [-2 2] to [2 -1] |
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w=(-1-3*(w-2)/(2+2)); |
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%go back to original units (~nb obs) and scale by nbt (nbt = 1 smoother) |
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w=nbt*exp( w*log(10) ); |
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%ensure stability |
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w(w<1)=1; |
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%enforce minimum forcing |
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w(w>1e3*nbt)=1e3*nbt; |
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if 0; |
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%figureL; m_map_gcmfaces(log10(myFld.nb),0,{'myCaxis',[-4 3]}); |
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figureL; m_map_gcmfaces(log10(w/nbt),0,{'myCaxis',[-2 2]}); return; |
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end; |
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myOp.tau=w*myOp.dt; |
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% myOp.tau=0.5*myOp.dt; |
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% myOp.tau=nbt*myOp.dt; |
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% myOp.tau=nbt; |
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%2) set relaxation field: ("local" value) |
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%------------------------ |
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fldRelax=myFld1; |
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%========= PART 5 : resolve smoothing/relaxation problem ======== |
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% |
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% here we integrate to a balance between |
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% "local" value (relaxation term) |
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% vs smoothing (diffusion) |
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myFld=gcmfaces_timestep(myOp,myFld1,fldRelax); |
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%plot / save result: |
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%=================== |
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if 0; |
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figureL; m_map_gcmfaces(log10(myFld),0,{'myCaxis',[-1.5 0.5]}); |
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end; |
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if doSave; |
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eval(['save ' dirOut choiceGrid '_' choiceVar '_k' num2str(lev) '_' suff '.mat myFld myFld1;']); |
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end; |
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