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function [budgO,budgI,budgOI]=calc_budget_salt(kBudget); |
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% CALC_BUDGET_SALT(kBudget) |
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% |
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% note: within this routine `SALT', `SIheff', and `SIhsnow' denote |
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% the corresponding tendencies as computed by diags_diff_snapshots.m |
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% rather than the state variables themselves. |
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|
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gcmfaces_global; |
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|
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%get variables from caller routine: |
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%---------------------------------- |
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|
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global myparms; |
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|
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list_variables={'SALT','AB_gS','SRELAX','SIheff',... |
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'SFLUX','oceSPflx','oceSflux','WSLTMASS',... |
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'ADVx_SLT','DFxE_SLT','ADVy_SLT','DFyE_SLT',... |
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'ADVxHEFF','ADVxSNOW','DFxEHEFF','DFxESNOW',... |
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'ADVyHEFF','ADVySNOW','DFyEHEFF','DFyESNOW'}; |
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|
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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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|
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test3d=length(size(ADVx_SLT{1}))>2; |
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|
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if test3d|kBudget>1; |
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list_variables={'oceSPtnd','ADVr_SLT','DFrE_SLT',... |
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'DFrI_SLT','ADVr_SLT','DFrE_SLT','DFrI_SLT'}; |
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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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end; |
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|
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%compute mapped budget: |
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%---------------------- |
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|
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budgO.tend=myparms.rhoconst*SALT-myparms.rhoconst*AB_gS; |
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budgI.tend=myparms.SIsal0*myparms.rhoi*SIheff; |
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% |
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tmptend=mk3D(mygrid.RAC,budgO.tend).*budgO.tend;%g/s |
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budgO.fluxes.tend=tmptend; |
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budgO.tend=nansum(tmptend,3); |
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budgI.tend=mygrid.RAC.*budgI.tend;%g/s |
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% |
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budgOI.tend=budgO.tend+budgI.tend; |
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|
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%vertical divergence (air-sea fluxes or vertical adv/dif) |
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budgO.zconv=SFLUX+oceSPflx; |
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budgI.zconv=-budgO.zconv+SRELAX; |
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%in linear surface we omit : |
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if ~myparms.useNLFS; budgO.zconv=budgO.zconv-myparms.rhoconst*WSLTMASS; end; |
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%working approach for real fresh water (?) and virtual salt flux |
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if ~myparms.useRFWF|~myparms.useNLFS; budgI.zconv=-oceSflux; end; |
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% |
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budgO.zdia=budgO.zconv; |
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%for deep ocean layer : |
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if kBudget>1; |
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budgO.zconv=-(ADVr_SLT+DFrE_SLT+DFrI_SLT)./mygrid.RAC*myparms.rhoconst; |
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budgO.zconv=budgO.zconv+oceSPtnd;%.*msk; |
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budgO.zdia=-(DFrE_SLT+DFrI_SLT)./mygrid.RAC*myparms.rhoconst; |
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budgO.zdia=budgO.zdia+oceSPtnd;%.*msk; |
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end; |
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% |
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if test3d; |
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nr=length(mygrid.RC); |
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trWtop=-(ADVr_SLT+DFrE_SLT+DFrI_SLT)*myparms.rhoconst; |
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tmp1=mk3D(oceSPflx,oceSPtnd)-cumsum(oceSPtnd,3); |
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tmp1=tmp1.*mk3D(mygrid.RAC,tmp1); |
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trWtop(:,:,2:nr)=trWtop(:,:,2:nr)+tmp1(:,:,1:nr-1); |
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% |
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trWtop(:,:,1)=budgO.zconv.*mygrid.RAC; |
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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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budgO.fluxes.trWtop=trWtop;%kg/s |
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budgO.fluxes.trWbot=trWbot;%kg/s |
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else; |
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budgO.fluxes.trWtop=-mygrid.RAC.*budgO.zconv; |
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budgO.fluxes.trWbot=mygrid.RAC*0;%kg/s |
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budgO.fluxes.diaWtop=-mygrid.RAC.*budgO.zdia; |
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budgO.fluxes.diaWbot=mygrid.RAC*0;%kg/s |
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end; |
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budgI.fluxes.trWtop=0*mygrid.RAC; |
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budgI.fluxes.trWbot=budgO.fluxes.trWtop(:,:,1);%kg/s |
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% |
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budgO.zconv=mk3D(mygrid.RAC,budgO.zconv).*budgO.zconv;%Watt |
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budgI.zconv=mygrid.RAC.*budgI.zconv;%Watt |
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% |
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budgOI.zconv=budgO.zconv+budgI.zconv; |
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|
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%horizontal divergence (advection and diffusion) |
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tmpUo=myparms.rhoconst*(ADVx_SLT+DFxE_SLT); |
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tmpVo=myparms.rhoconst*(ADVy_SLT+DFyE_SLT); |
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budgO.hconv=calc_UV_conv(nansum(tmpUo,3),nansum(tmpVo,3)); |
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% |
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tmpUoD=myparms.rhoconst*(DFxE_SLT); |
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tmpVoD=myparms.rhoconst*(DFyE_SLT); |
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budgO.hdia=calc_UV_conv(nansum(tmpUoD,3),nansum(tmpVoD,3)); |
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% |
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tmpUi=myparms.SIsal0*(myparms.rhoi*DFxEHEFF+myparms.rhoi*ADVxHEFF); |
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tmpVi=myparms.SIsal0*(myparms.rhoi*DFyEHEFF+myparms.rhoi*ADVyHEFF); |
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budgI.hconv=calc_UV_conv(tmpUi,tmpVi); %no dh needed here |
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budgOI.hconv=budgO.hconv+budgI.hconv; |
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% |
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budgO.fluxes.trU=tmpUo; budgO.fluxes.trV=tmpVo;%g/s |
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budgO.fluxes.diaU=tmpUoD; budgO.fluxes.diaV=tmpVoD;%g/s |
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budgI.fluxes.trU=tmpUi; budgI.fluxes.trV=tmpVi;%g/s |
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