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gforget |
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function [contOCN,hdivOCN,zdivOCN,budgMo,... |
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contICE,hdivICE,zdivICE,budgMi]=... |
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calc_budget_mass(kBudget); |
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% CALC_BUDGET_MASS(kBudget,doMoreBudgetOutput) |
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gcmfaces_global; |
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%get variables from caller routine: |
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%---------------------------------- |
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global myparms; |
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list_variables={'ETAN','SIheff','SIhsnow','oceFWflx','SIatmFW','oceFWflx',... |
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'UVELMASS','VVELMASS',... |
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'ADVxHEFF','ADVxSNOW','DFxEHEFF','DFxESNOW',... |
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'ADVyHEFF','ADVySNOW','DFyEHEFF','DFyESNOW'}; |
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if kBudget>1; list_variables={list_variables{:},'WVELMASS'}; end; |
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for vv=1:length(list_variables); |
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v = evalin('caller',list_variables{vv}); |
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eval([list_variables{vv} '=v;']); |
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end; |
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clear v; |
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test3d=length(size(UVELMASS{1}))>2; |
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%compute mapped budget: |
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%---------------------- |
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%mass = myparms.rhoconst * sea level |
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contOCN=ETAN*myparms.rhoconst; |
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contICE=(SIheff*myparms.rhoi+SIhsnow*myparms.rhosn); |
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%for deep ocean layer : |
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if kBudget>1&myparms.useNLFS<2; |
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contOCN=0; |
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elseif kBudget>1;%rstar case |
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tmp1=mk3D(mygrid.DRF,mygrid.hFacC).*mygrid.hFacC; |
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tmp2=sum(tmp1(:,:,kBudget:length(mygrid.RC)),3)./mygrid.Depth; |
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contOCN=tmp2.*ETAN*myparms.rhoconst; |
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end; |
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% |
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contTOT=contOCN+contICE; |
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% |
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if test3d; |
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tmp1=mk3D(mygrid.DRF,mygrid.hFacC).*mygrid.hFacC; |
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tmp2=tmp1./mk3D(mygrid.Depth,tmp1); |
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tend=tmp2.*mk3D(ETAN,tmp2)*myparms.rhoconst; |
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else; |
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tend=contOCN; |
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end; |
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budgMo.tend=mk3D(mygrid.RAC,tend).*tend;%kg/s |
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budgMi.tend=mygrid.RAC.*contICE;%kg/s |
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%vertical divergence (air-sea fluxes or vertical advection) |
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zdivOCN=oceFWflx; |
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zdivICE=SIatmFW-oceFWflx; |
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%in virtual salt flux we omit : |
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if ~myparms.useRFWF; zdivOCN=0*zdivOCN; end; |
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%for deep ocean layer : |
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if kBudget>1; zdivOCN=-WVELMASS*myparms.rhoconst; end; |
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% |
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zdivTOT=zdivOCN+zdivICE; |
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% |
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if test3d; |
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trWtop=-WVELMASS*myparms.rhoconst; |
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%trWtop(:,:,1)=zdivOCN; |
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trWbot=trWtop(:,:,2:length(mygrid.RC)); |
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trWbot(:,:,length(mygrid.RC))=0; |
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% |
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budgMo.trWtop=mk3D(mygrid.RAC,trWtop).*trWtop; |
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budgMo.trWbot=mk3D(mygrid.RAC,trWbot).*trWbot;%kg/s |
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else; |
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budgMo.trWtop=mygrid.RAC.*zdivOCN; budgMo.trWbot=mygrid.RAC*0;%kg/s |
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end; |
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budgMi.trWtop=mygrid.RAC.*(zdivICE+zdivOCN); budgMi.trWbot=mygrid.RAC.*zdivOCN;%kg/s |
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%horizontal divergence (advection and ice diffusion) |
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if test3d; |
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%3D UVELMASS,VVELMASS are multiplied by DRF |
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%(2D diagnostics are expectedly vertically integrated by MITgcm) |
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tmp1=mk3D(mygrid.DRF,UVELMASS); |
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UVELMASS=tmp1.*UVELMASS; |
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VVELMASS=tmp1.*VVELMASS; |
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end; |
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dxg=mk3D(mygrid.DXG,VVELMASS); dyg=mk3D(mygrid.DYG,UVELMASS); |
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tmpUo=myparms.rhoconst*dyg.*UVELMASS; |
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tmpVo=myparms.rhoconst*dxg.*VVELMASS; |
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hdivOCN=calc_UV_conv(nansum(tmpUo,3),nansum(tmpVo,3)); |
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tmpUi=(myparms.rhoi*DFxEHEFF+myparms.rhosn*DFxESNOW+myparms.rhoi*ADVxHEFF+myparms.rhosn*ADVxSNOW); |
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tmpVi=(myparms.rhoi*DFyEHEFF+myparms.rhosn*DFyESNOW+myparms.rhoi*ADVyHEFF+myparms.rhosn*ADVySNOW); |
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hdivICE=calc_UV_conv(tmpUi,tmpVi); %dh needed is alerady in DFxEHEFF etc |
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hdivTOT=hdivOCN+hdivICE; |
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% |
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budgMo.trU=tmpUo; budgMo.trV=tmpVo;%kg/s |
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budgMi.trU=tmpUi; budgMi.trV=tmpVi;%kg/s |
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