matlab_class/ecco_v4/cost_sst.m

function []=cost_sst(dirModel,dirMat,doComp,dirTex,nameTex);
%object:        compute cost function term for sst data
%inputs:        dimodel is the model directory
%               dirMat is the directory where diagnozed .mat files will be saved
%                     -> set it to '' to use the default [dirModel 'mat/']
%               doComp is a switch (1->compute; 0->display)
%optional:      dirTex is the directory where tex and figures files are created
%                 (if not specified then display all results to screen instead)
%               nameTex is the tex file name (default : 'myPlots')

if isempty(dirMat); dirMat=[dirModel 'mat' filesep]; else; dirMat=[dirMat filesep]; end;
if isempty(dir(dirMat));     mkdir([dirMat]); end;

%determine if and where to create tex and figures files
dirMat=[dirMat filesep];
if isempty(who('dirTex'));
  addToTex=0;
else;
  if ~ischar(dirTex); error('mis-specified dirTex'); end;
  addToTex=1; 
  if isempty(who('nameTex')); nameTex='myPlots'; end;
  fileTex=[dirTex filesep nameTex '.tex'];
end;

if doComp;

%grid, params and inputs

gcmfaces_global; global myparms;
if ~isfield(mygrid,'XC'); grid_load('./GRID/',5,'compact'); end;
if ~isfield(mygrid,'LATS_MASKS'); gcmfaces_lines_zonal; end;
if isfield(myparms,'yearFirst'); yearFirst=myparms.yearFirst; yearLast=myparms.yearLast;
else; yearFirst=1992; yearLast=2011;
end;

nameReynolds='reynolds_oiv2_r1';
nameRemss='tmi_amsre_oisst_r1';
nameL2p='tmi_amsre_l2p_r1';
if ~isempty(dir([dirModel nameReynolds '*']));
  dirData=dirModel; subdirReynolds=''; subdirRemss=''; subdirL2p='';
elseif ~isempty(dir([dirModel 'inputfiles/' nameReynolds '*']));
  dirData=[dirModel 'inputfiles/']; subdirReynolds=''; subdirRemss=''; subdirL2p='';
else;
  error(['could not find ' nameReynolds '*']);
end;

nameSigma='sigma_surf_0p5.bin';
if ~isempty(dir([dirModel nameSigma]));
  dirSigma=dirModel;
elseif ~isempty(dir([dirModel 'inputfiles/' nameSigma]));
  dirSigma=[dirModel 'inputfiles/'];
else;
  error(['could not find ' nameSigma]);
end;

fld_err=read_bin([dirSigma nameSigma],1,0);
fld_w=fld_err.^-2;

nameTbar='m_theta_mon';
if ~isempty(dir([dirModel nameTbar '*']));
  dirTbar=dirModel;
else;
  dirTbar=[dirModel 'barfiles' filesep];
end;
fileModel=dir([dirTbar nameTbar '*data']); fileModel=fileModel.name;

%computational loop
mod_m_rey=repmat(NaN*mygrid.mskC(:,:,1),[1 1 12*(yearLast-yearFirst+1)]);
mod_m_remss=repmat(NaN*mygrid.mskC(:,:,1),[1 1 12*(yearLast-yearFirst+1)]);
%
zm_mod=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
zm_rey=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
zm_mod_m_rey=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
zm_remss=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
zm_mod_m_remss=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
%
for ycur=yearFirst:yearLast;
fprintf(['starting ' num2str(ycur) '\n']);
tic;
for mcur=1:12;
  %load Reynolds SST
  file0=[dirData subdirReynolds nameReynolds '_' num2str(ycur)];
  if ~isempty(dir(file0)); fld_rey=read_bin(file0,mcur,0); else; fld_rey=NaN*mygrid.mskC(:,:,1); end;
  fld_rey(find(fld_rey==0))=NaN;
  fld_rey(find(fld_rey<-99))=NaN;

  %load Remss SST
  file0=[dirData subdirRemss nameRemss '_' num2str(ycur)];
  if ~isempty(dir(file0)); fld_remss=read_bin(file0,mcur,0); else; fld_remss=NaN*mygrid.mskC(:,:,1); end;
  fld_remss(find(fld_remss==0))=NaN;
  fld_remss(find(fld_remss<-99))=NaN;

  %load model SST
  mm=(ycur-yearFirst)*12+mcur;
  fld_mod=read_bin([dirTbar fileModel],mm,1).*mygrid.mskC(:,:,1);

  %store misfit maps 
  mod_m_rey(:,:,mm)=fld_mod-fld_rey;
  mod_m_remss(:,:,mm)=fld_mod-fld_remss;

  %comp zonal means
  zm_mod(:,mm)=calc_zonmean_T(fld_mod.*mygrid.mskC(:,:,1));

  msk=mygrid.mskC(:,:,1); msk(fld_rey==0)=NaN;
  zm_rey(:,mm)=calc_zonmean_T(fld_rey.*msk);
  zm_mod_m_rey(:,mm)=calc_zonmean_T(fld_mod-fld_rey.*msk);

  msk=mygrid.mskC(:,:,1); msk(fld_remss==0)=NaN;
  zm_remss(:,mm)=calc_zonmean_T(fld_remss.*msk);
  zm_mod_m_remss(:,mm)=calc_zonmean_T(fld_mod-fld_remss.*msk);
end;
toc;
end;

%compute rms maps
rms_to_rey=sqrt(nanmean(mod_m_rey.^2,3));
rms_to_remss=sqrt(nanmean(mod_m_remss.^2,3));

if ~isdir([dirMat 'cost/']); mkdir([dirMat 'cost/']); end;
eval(['save ' dirMat '/cost/cost_sst.mat fld_err rms_* zm_*;']);

else;%display previously computed results

global mygrid;

if isdir([dirMat 'cost/']); dirMat=[dirMat 'cost/']; end;

eval(['load ' dirMat '/cost_sst.mat;']);

if ~isempty(who('fld_rms')); 
  figure; m_map_gcmfaces(fld_rms,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
  myCaption={'modeled-observed rms -- sea surface temperature (K)'};
  if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
else;

  figure; m_map_gcmfaces(rms_to_rey,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
  myCaption={'modeled-Reynolds rms -- sea surface temperature (K)'};
  if addToTex; write2tex(fileTex,2,myCaption,gcf); end;

  figure; m_map_gcmfaces(rms_to_remss,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
  myCaption={'modeled-REMSS rms -- sea surface temperature (K)'};
  if addToTex; write2tex(fileTex,2,myCaption,gcf); end;

  ny=size(zm_rey,2)/12;
  [xx,yy]=meshgrid(1992+([1:ny*12]-0.5)/12,mygrid.LATS);

  figureL;
  obs=zm_rey; obsCycle=sst_cycle(obs); 
  mod=zm_rey+zm_mod_m_rey; modCycle=sst_cycle(mod);
  mis=zm_mod_m_rey; misCycle=sst_cycle(mis);
  subplot(3,1,1); pcolor(xx,yy,obs-obsCycle); shading flat; caxis([-1 1]*1); colorbar;
  set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude'); 
  title('Reynolds sst anomaly');
  subplot(3,1,2); pcolor(xx,yy,mod-modCycle); shading flat; caxis([-1 1]*1); colorbar;
  set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
  title('ECCO sst anomaly');
  subplot(3,1,3); pcolor(xx,yy,mis-misCycle); shading flat; caxis([-1 1]*1); colorbar;
  set(gca,'FontSize',14); ylabel('latitude'); title('ECCO-Reynolds sst misfit');
  myCaption={'ECCO and Reynolds zonal mean sst anomalies (K)'};
  if addToTex; write2tex(fileTex,2,myCaption,gcf); end;

  figureL;
  obs=zm_remss; obsCycle=sst_cycle(obs);
  mod=zm_remss+zm_mod_m_remss; modCycle=sst_cycle(mod);
  mis=zm_mod_m_remss; misCycle=sst_cycle(mis);
  subplot(3,1,1); pcolor(xx,yy,obs-obsCycle); shading flat; caxis([-1 1]*1); colorbar;
  set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
  title('REMSS sst anomaly');
  subplot(3,1,2); pcolor(xx,yy,mod-modCycle); shading flat; caxis([-1 1]*1); colorbar;
  set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
  title('ECCO sst anomaly');
  subplot(3,1,3); pcolor(xx,yy,mis-misCycle); shading flat; caxis([-1 1]*1); colorbar;
  set(gca,'FontSize',14); ylabel('latitude'); title('ECCO-REMSS sst misfit');
  myCaption={'ECCO and REMSS zonal mean sst anomalies (K)'};
  if addToTex; write2tex(fileTex,2,myCaption,gcf); end;

end;

end;

function [zmCycle]=sst_cycle(zmIn);

ny=size(zmIn,2)/12;
zmCycle=NaN*zeros(179,12);
for mm=1:12;
zmCycle(:,mm)=nanmean(zmIn(:,mm:12:ny*12),2);
end;
zmCycle=repmat(zmCycle,[1 ny]);

1	gforget	1.6	function []=cost_sst(dirModel,dirMat,doComp,dirTex,nameTex);
2	gforget	1.1	%object: compute cost function term for sst data
3			%inputs: dimodel is the model directory
4	gforget	1.4	% dirMat is the directory where diagnozed .mat files will be saved
5			% -> set it to '' to use the default [dirModel 'mat/']
6	gforget	1.1	% doComp is a switch (1->compute; 0->display)
7	gforget	1.4	%optional: dirTex is the directory where tex and figures files are created
8			% (if not specified then display all results to screen instead)
9	gforget	1.6	% nameTex is the tex file name (default : 'myPlots')
10	gforget	1.1
11	gforget	1.14	if isempty(dirMat); dirMat=[dirModel 'mat' filesep]; else; dirMat=[dirMat filesep]; end;
12	gforget	1.12	if isempty(dir(dirMat)); mkdir([dirMat]); end;
13	gforget	1.4
14			%determine if and where to create tex and figures files
15	gforget	1.14	dirMat=[dirMat filesep];
16	gforget	1.4	if isempty(who('dirTex'));
17			addToTex=0;
18			else;
19			if ~ischar(dirTex); error('mis-specified dirTex'); end;
20	gforget	1.6	addToTex=1;
21			if isempty(who('nameTex')); nameTex='myPlots'; end;
22	gforget	1.14	fileTex=[dirTex filesep nameTex '.tex'];
23	gforget	1.4	end;
24	gforget	1.1
25			if doComp;
26
27	gforget	1.7	%grid, params and inputs
28
29			gcmfaces_global; global myparms;
30	gforget	1.3	if ~isfield(mygrid,'XC'); grid_load('./GRID/',5,'compact'); end;
31			if ~isfield(mygrid,'LATS_MASKS'); gcmfaces_lines_zonal; end;
32	gforget	1.7	if isfield(myparms,'yearFirst'); yearFirst=myparms.yearFirst; yearLast=myparms.yearLast;
33			else; yearFirst=1992; yearLast=2011;
34			end;
35	gforget	1.1
36	gforget	1.13	nameReynolds='reynolds_oiv2_r1';
37			nameRemss='tmi_amsre_oisst_r1';
38			nameL2p='tmi_amsre_l2p_r1';
39			if ~isempty(dir([dirModel nameReynolds '*']));
40			dirData=dirModel; subdirReynolds=''; subdirRemss=''; subdirL2p='';
41	gforget	1.15	elseif ~isempty(dir([dirModel 'inputfiles/' nameReynolds '*']));
42			dirData=[dirModel 'inputfiles/']; subdirReynolds=''; subdirRemss=''; subdirL2p='';
43	gforget	1.13	else;
44	gforget	1.15	error(['could not find ' nameReynolds '*']);
45	gforget	1.1	end;
46
47	gforget	1.16	nameSigma='sigma_surf_0p5.bin';
48	gforget	1.13	if ~isempty(dir([dirModel nameSigma]));
49			dirSigma=dirModel;
50	gforget	1.15	elseif ~isempty(dir([dirModel 'inputfiles/' nameSigma]));
51			dirSigma=[dirModel 'inputfiles/'];
52	gforget	1.13	else;
53	gforget	1.15	error(['could not find ' nameSigma]);
54	gforget	1.13	end;
55	gforget	1.15
56	gforget	1.16	fld_err=read_bin([dirSigma nameSigma],1,0);
57	gforget	1.1	fld_w=fld_err.^-2;
58
59	gforget	1.13	nameTbar='m_theta_mon';
60			if ~isempty(dir([dirModel nameTbar '*']));
61			dirTbar=dirModel;
62			else;
63			dirTbar=[dirModel 'barfiles' filesep];
64			end;
65			fileModel=dir([dirTbar nameTbar '*data']); fileModel=fileModel.name;
66	gforget	1.1
67	gforget	1.7	%computational loop
68			mod_m_rey=repmat(NaNmygrid.mskC(:,:,1),[1 1 12(yearLast-yearFirst+1)]);
69			mod_m_remss=repmat(NaNmygrid.mskC(:,:,1),[1 1 12(yearLast-yearFirst+1)]);
70			%
71			zm_mod=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
72			zm_rey=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
73			zm_mod_m_rey=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
74			zm_remss=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
75			zm_mod_m_remss=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
76			%
77			for ycur=yearFirst:yearLast;
78			fprintf(['starting ' num2str(ycur) '\n']);
79			tic;
80	gforget	1.1	for mcur=1:12;
81	gforget	1.7	%load Reynolds SST
82			file0=[dirData subdirReynolds nameReynolds '_' num2str(ycur)];
83	gforget	1.11	if ~isempty(dir(file0)); fld_rey=read_bin(file0,mcur,0); else; fld_rey=NaN*mygrid.mskC(:,:,1); end;
84	gforget	1.7	fld_rey(find(fld_rey==0))=NaN;
85			fld_rey(find(fld_rey<-99))=NaN;
86
87			%load Remss SST
88			file0=[dirData subdirRemss nameRemss '_' num2str(ycur)];
89	gforget	1.11	if ~isempty(dir(file0)); fld_remss=read_bin(file0,mcur,0); else; fld_remss=NaN*mygrid.mskC(:,:,1); end;
90	gforget	1.7	fld_remss(find(fld_remss==0))=NaN;
91			fld_remss(find(fld_remss<-99))=NaN;
92	gforget	1.1
93	gforget	1.7	%load model SST
94			mm=(ycur-yearFirst)*12+mcur;
95	gforget	1.13	fld_mod=read_bin([dirTbar fileModel],mm,1).*mygrid.mskC(:,:,1);
96	gforget	1.7
97			%store misfit maps
98			mod_m_rey(:,:,mm)=fld_mod-fld_rey;
99			mod_m_remss(:,:,mm)=fld_mod-fld_remss;
100
101			%comp zonal means
102			zm_mod(:,mm)=calc_zonmean_T(fld_mod.*mygrid.mskC(:,:,1));
103
104			msk=mygrid.mskC(:,:,1); msk(fld_rey==0)=NaN;
105			zm_rey(:,mm)=calc_zonmean_T(fld_rey.*msk);
106			zm_mod_m_rey(:,mm)=calc_zonmean_T(fld_mod-fld_rey.*msk);
107
108			msk=mygrid.mskC(:,:,1); msk(fld_remss==0)=NaN;
109			zm_remss(:,mm)=calc_zonmean_T(fld_remss.*msk);
110			zm_mod_m_remss(:,mm)=calc_zonmean_T(fld_mod-fld_remss.*msk);
111	gforget	1.1	end;
112	gforget	1.7	toc;
113	gforget	1.1	end;
114
115	gforget	1.7	%compute rms maps
116			rms_to_rey=sqrt(nanmean(mod_m_rey.^2,3));
117			rms_to_remss=sqrt(nanmean(mod_m_remss.^2,3));
118	gforget	1.1
119	gforget	1.10	if ~isdir([dirMat 'cost/']); mkdir([dirMat 'cost/']); end;
120			eval(['save ' dirMat '/cost/cost_sst.mat fld_err rms_* zm_*;']);
121	gforget	1.1
122			else;%display previously computed results
123
124			global mygrid;
125
126	gforget	1.9	if isdir([dirMat 'cost/']); dirMat=[dirMat 'cost/']; end;
127
128	gforget	1.4	eval(['load ' dirMat '/cost_sst.mat;']);
129	gforget	1.1
130	gforget	1.8	if ~isempty(who('fld_rms'));
131			figure; m_map_gcmfaces(fld_rms,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
132			myCaption={'modeled-observed rms -- sea surface temperature (K)'};
133			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
134			else;
135
136			figure; m_map_gcmfaces(rms_to_rey,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
137			myCaption={'modeled-Reynolds rms -- sea surface temperature (K)'};
138			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
139
140			figure; m_map_gcmfaces(rms_to_remss,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
141			myCaption={'modeled-REMSS rms -- sea surface temperature (K)'};
142			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
143
144			ny=size(zm_rey,2)/12;
145			[xx,yy]=meshgrid(1992+([1:ny*12]-0.5)/12,mygrid.LATS);
146
147			figureL;
148			obs=zm_rey; obsCycle=sst_cycle(obs);
149			mod=zm_rey+zm_mod_m_rey; modCycle=sst_cycle(mod);
150			mis=zm_mod_m_rey; misCycle=sst_cycle(mis);
151			subplot(3,1,1); pcolor(xx,yy,obs-obsCycle); shading flat; caxis([-1 1]*1); colorbar;
152			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
153			title('Reynolds sst anomaly');
154			subplot(3,1,2); pcolor(xx,yy,mod-modCycle); shading flat; caxis([-1 1]*1); colorbar;
155			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
156			title('ECCO sst anomaly');
157			subplot(3,1,3); pcolor(xx,yy,mis-misCycle); shading flat; caxis([-1 1]*1); colorbar;
158			set(gca,'FontSize',14); ylabel('latitude'); title('ECCO-Reynolds sst misfit');
159			myCaption={'ECCO and Reynolds zonal mean sst anomalies (K)'};
160			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
161
162			figureL;
163			obs=zm_remss; obsCycle=sst_cycle(obs);
164			mod=zm_remss+zm_mod_m_remss; modCycle=sst_cycle(mod);
165			mis=zm_mod_m_remss; misCycle=sst_cycle(mis);
166			subplot(3,1,1); pcolor(xx,yy,obs-obsCycle); shading flat; caxis([-1 1]*1); colorbar;
167			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
168			title('REMSS sst anomaly');
169			subplot(3,1,2); pcolor(xx,yy,mod-modCycle); shading flat; caxis([-1 1]*1); colorbar;
170			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
171			title('ECCO sst anomaly');
172			subplot(3,1,3); pcolor(xx,yy,mis-misCycle); shading flat; caxis([-1 1]*1); colorbar;
173			set(gca,'FontSize',14); ylabel('latitude'); title('ECCO-REMSS sst misfit');
174			myCaption={'ECCO and REMSS zonal mean sst anomalies (K)'};
175			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
176	gforget	1.7
177	gforget	1.8	end;
178
179			end;
180	gforget	1.1
181	gforget	1.8	function [zmCycle]=sst_cycle(zmIn);
182	gforget	1.1
183	gforget	1.8	ny=size(zmIn,2)/12;
184			zmCycle=NaN*zeros(179,12);
185			for mm=1:12;
186			zmCycle(:,mm)=nanmean(zmIn(:,mm:12:ny*12),2);
187	gforget	1.1	end;
188	gforget	1.8	zmCycle=repmat(zmCycle,[1 ny]);
189	gforget	1.1