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gforget |
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function [mystruct_out]=core_load_fields(ycur,hcur); |
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%loads the fields and does the interpolation to the 1x1 ECCO grid |
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domaine_global_def; |
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mask=squeeze(tmask3D(:,:,1)); |
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rep_in='/net/ross/raid0/gforget/DATAbin/forcing/CORE/fromWebDec07/interannual_data/'; |
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files_core=strvcat('q_10.','t_10.','u_10.','v_10.','slp.','ncar_rad.','ncar_precip.'); |
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nbfields_core=[1460*ones(1,5) 365 12]; |
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ncload /net/ross/raid0/gforget/DATAbin/forcing/CORE/fromWebDec07/main_data/t_10.2004_08_30.nc LON LAT; lon2D_g=LON*ones(1,94); lat2D_g=ones(192,1)*LAT'; |
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[x1,y1] = meshgrid([-1.875 lon2D_g(:,1)' 360 361.875],lat2D_g(1,:)); |
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[x2,y2] = meshgrid(lon2D_t(:,1),lat2D_t(1,:)); |
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for fcur=1:7 |
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switch fcur |
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case 1; var_core=strvcat('Q_10_MOD'); var_ecco='aqh'; |
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case 2; var_core=strvcat('T_10_MOD'); var_ecco='atemp'; |
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case 3; var_core=strvcat('U_10_MOD'); var_ecco='uwind'; |
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case 4; var_core=strvcat('V_10_MOD'); var_ecco='vwind'; |
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case 5; var_core=strvcat('SLP'); var_ecco='slp'; |
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case 6; var_core=strvcat('SWDN_MOD','LWDN_MOD'); var_ecco=strvcat('swdn','lwdn'); |
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case 7; var_core=strvcat('RAIN','SNOW'); var_ecco=strvcat('rain','snow'); |
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end |
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for ecur=1:size(var_core,1) |
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if nbfields_core(fcur)==1460; |
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%load the 6 hourly field: |
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if ycur<2001; suff_file='2004_08_03'; else; suff_file='2006_04_06'; end; |
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nc = netcdf([rep_in deblank(files_core(fcur,:)) num2str(ycur) '.' suff_file '.nc'], 'nowrite'); |
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field_cur=nc{deblank(var_core(ecur,:))}(hcur,:,:); nc = close(nc); |
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elseif nbfields_core(fcur)==365; |
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%load the daily field: |
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if ycur<2001; suff_file='2004_08_03'; else; suff_file='2006_04_06'; end; |
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nc = netcdf([rep_in deblank(files_core(fcur,:)) num2str(ycur) '.' suff_file '.nc'], 'nowrite'); |
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field_cur=nc{deblank(var_core(ecur,:))}(ceil(hcur/4),:,:); nc = close(nc); |
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else |
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%interpolate from the monthly field: |
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% coeffs etc: |
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dcur=ceil((hcur)/4); [mcur,mcurW]=coeff_MonthlyAtlasInterp(dcur); |
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ycur2=[ycur ycur]; |
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if ~isempty(find(mcur==1))&dcur>300; ycur2(find(mcur==1))=ycur+1; end; |
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if ~isempty(find(mcur==12))&dcur<100; ycur2(find(mcur==12))=ycur-1; end; |
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tmp1=find(ycur2==1991); ycur2(tmp1)=1992; mcur(tmp1)=1; |
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tmp1=find(ycur2==2005); ycur2(tmp1)=2004; mcur(tmp1)=12; |
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% load the two fields: |
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if ycur2(1)<2001; suff_file='2004_08_03'; else; suff_file='2006_04_06'; end; |
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nc2 = netcdf([rep_in deblank(files_core(fcur,:)) num2str(ycur2(1)) '.' suff_file '.nc'], 'nowrite'); |
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field1=nc2{deblank(var_core(ecur,:))}(mcur(1),:,:); nc2 = close(nc2); |
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if ycur2(2)<2001; suff_file='2004_08_03'; else; suff_file='2006_04_06'; end; |
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nc2 = netcdf([rep_in deblank(files_core(fcur,:)) num2str(ycur2(2)) '.' suff_file '.nc'], 'nowrite'); |
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field2=nc2{deblank(var_core(ecur,:))}(mcur(2),:,:); nc2 = close(nc2); |
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% weighted average -> time interpolation |
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field_cur=(1-mcurW)*field1+mcurW*field2; |
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end |
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%spatial interpolation: |
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field_cur=field_cur'; |
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tmp1=[field_cur(end,:);field_cur;field_cur(1,:);field_cur(2,:)]'; |
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field_cur=interp2(x1,y1,tmp1,x2,y2)'; |
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eval([deblank(var_ecco(ecur,:)) '=field_cur.*mask;']); |
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end |
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end%for fcur=1:7 |
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rhoConstFresh=999.8; |
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slp=slp/100; %in pascal -> /100 => mbar |
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precip=(rain+snow)/1000*rhoConstFresh; %mm/s->m/s->kg/m^2/s |
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mystruct_out=struct('aqh',aqh,'atemp',atemp,'uwind',uwind,'vwind',vwind,'swdn',swdn,'lwdn',lwdn,'precip',precip,'slp',slp); |
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