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/']; else; dirMat=[dirMat '/']; end;
if isempty(dir(dirMat));     mkdir([dirMat]); end;

%determine if and where to create tex and figures files
dirMat=[dirMat '/'];
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 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='';
else;
  dirData='/net/nares/raid11/ecco-shared/ecco-version-4/input/';
  subdirReynolds='input_sst_reynolds_v4/';
  subdirRemss='input_sst_remss_v4/';
  subdirL2p='input_sst_amsre_daily/';
end;

nameSigma='sigma_half.bin';
if ~isempty(dir([dirModel nameSigma]));
  dirSigma=dirModel;
else;
  dirSigma='/nobackupp7/gforget2/verif/global_oce_input_fields/ecco_v4/';
end;
fld_err=read2memory([dirSigma nameSigma],[90 1170]);
fld_err=convert2gcmfaces(fld_err);
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	1.4	if isempty(dirMat); dirMat=[dirModel 'mat/']; else; dirMat=[dirMat '/']; 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			dirMat=[dirMat '/'];
16			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			fileTex=[dirTex 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			else;
42			dirData='/net/nares/raid11/ecco-shared/ecco-version-4/input/';
43			subdirReynolds='input_sst_reynolds_v4/';
44			subdirRemss='input_sst_remss_v4/';
45			subdirL2p='input_sst_amsre_daily/';
46	gforget	1.1	end;
47
48	gforget	1.13	nameSigma='sigma_half.bin';
49			if ~isempty(dir([dirModel nameSigma]));
50			dirSigma=dirModel;
51			else;
52			dirSigma='/nobackupp7/gforget2/verif/global_oce_input_fields/ecco_v4/';
53			end;
54			fld_err=read2memory([dirSigma nameSigma],[90 1170]);
55	gforget	1.1	fld_err=convert2gcmfaces(fld_err);
56			fld_w=fld_err.^-2;
57
58	gforget	1.13	nameTbar='m_theta_mon';
59			if ~isempty(dir([dirModel nameTbar '*']));
60			dirTbar=dirModel;
61			else;
62			dirTbar=[dirModel 'barfiles' filesep];
63			end;
64			fileModel=dir([dirTbar nameTbar '*data']); fileModel=fileModel.name;
65	gforget	1.1
66	gforget	1.7	%computational loop
67			mod_m_rey=repmat(NaNmygrid.mskC(:,:,1),[1 1 12(yearLast-yearFirst+1)]);
68			mod_m_remss=repmat(NaNmygrid.mskC(:,:,1),[1 1 12(yearLast-yearFirst+1)]);
69			%
70			zm_mod=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
71			zm_rey=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
72			zm_mod_m_rey=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
73			zm_remss=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
74			zm_mod_m_remss=repmat(ones(length(mygrid.LATS),1),[1 12*(yearLast-yearFirst+1)]);
75			%
76			for ycur=yearFirst:yearLast;
77			fprintf(['starting ' num2str(ycur) '\n']);
78			tic;
79	gforget	1.1	for mcur=1:12;
80	gforget	1.7	%load Reynolds SST
81			file0=[dirData subdirReynolds nameReynolds '_' num2str(ycur)];
82	gforget	1.11	if ~isempty(dir(file0)); fld_rey=read_bin(file0,mcur,0); else; fld_rey=NaN*mygrid.mskC(:,:,1); end;
83	gforget	1.7	fld_rey(find(fld_rey==0))=NaN;
84			fld_rey(find(fld_rey<-99))=NaN;
85
86			%load Remss SST
87			file0=[dirData subdirRemss nameRemss '_' num2str(ycur)];
88	gforget	1.11	if ~isempty(dir(file0)); fld_remss=read_bin(file0,mcur,0); else; fld_remss=NaN*mygrid.mskC(:,:,1); end;
89	gforget	1.7	fld_remss(find(fld_remss==0))=NaN;
90			fld_remss(find(fld_remss<-99))=NaN;
91	gforget	1.1
92	gforget	1.7	%load model SST
93			mm=(ycur-yearFirst)*12+mcur;
94	gforget	1.13	fld_mod=read_bin([dirTbar fileModel],mm,1).*mygrid.mskC(:,:,1);
95	gforget	1.7
96			%store misfit maps
97			mod_m_rey(:,:,mm)=fld_mod-fld_rey;
98			mod_m_remss(:,:,mm)=fld_mod-fld_remss;
99
100			%comp zonal means
101			zm_mod(:,mm)=calc_zonmean_T(fld_mod.*mygrid.mskC(:,:,1));
102
103			msk=mygrid.mskC(:,:,1); msk(fld_rey==0)=NaN;
104			zm_rey(:,mm)=calc_zonmean_T(fld_rey.*msk);
105			zm_mod_m_rey(:,mm)=calc_zonmean_T(fld_mod-fld_rey.*msk);
106
107			msk=mygrid.mskC(:,:,1); msk(fld_remss==0)=NaN;
108			zm_remss(:,mm)=calc_zonmean_T(fld_remss.*msk);
109			zm_mod_m_remss(:,mm)=calc_zonmean_T(fld_mod-fld_remss.*msk);
110	gforget	1.1	end;
111	gforget	1.7	toc;
112	gforget	1.1	end;
113
114	gforget	1.7	%compute rms maps
115			rms_to_rey=sqrt(nanmean(mod_m_rey.^2,3));
116			rms_to_remss=sqrt(nanmean(mod_m_remss.^2,3));
117	gforget	1.1
118	gforget	1.10	if ~isdir([dirMat 'cost/']); mkdir([dirMat 'cost/']); end;
119			eval(['save ' dirMat '/cost/cost_sst.mat fld_err rms_* zm_*;']);
120	gforget	1.1
121			else;%display previously computed results
122
123			global mygrid;
124
125	gforget	1.9	if isdir([dirMat 'cost/']); dirMat=[dirMat 'cost/']; end;
126
127	gforget	1.4	eval(['load ' dirMat '/cost_sst.mat;']);
128	gforget	1.1
129	gforget	1.8	if ~isempty(who('fld_rms'));
130			figure; m_map_gcmfaces(fld_rms,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
131			myCaption={'modeled-observed rms -- sea surface temperature (K)'};
132			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
133			else;
134
135			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});
136			myCaption={'modeled-Reynolds rms -- sea surface temperature (K)'};
137			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
138
139			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});
140			myCaption={'modeled-REMSS rms -- sea surface temperature (K)'};
141			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
142
143			ny=size(zm_rey,2)/12;
144			[xx,yy]=meshgrid(1992+([1:ny*12]-0.5)/12,mygrid.LATS);
145
146			figureL;
147			obs=zm_rey; obsCycle=sst_cycle(obs);
148			mod=zm_rey+zm_mod_m_rey; modCycle=sst_cycle(mod);
149			mis=zm_mod_m_rey; misCycle=sst_cycle(mis);
150			subplot(3,1,1); pcolor(xx,yy,obs-obsCycle); shading flat; caxis([-1 1]*1); colorbar;
151			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
152			title('Reynolds sst anomaly');
153			subplot(3,1,2); pcolor(xx,yy,mod-modCycle); shading flat; caxis([-1 1]*1); colorbar;
154			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
155			title('ECCO sst anomaly');
156			subplot(3,1,3); pcolor(xx,yy,mis-misCycle); shading flat; caxis([-1 1]*1); colorbar;
157			set(gca,'FontSize',14); ylabel('latitude'); title('ECCO-Reynolds sst misfit');
158			myCaption={'ECCO and Reynolds zonal mean sst anomalies (K)'};
159			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
160
161			figureL;
162			obs=zm_remss; obsCycle=sst_cycle(obs);
163			mod=zm_remss+zm_mod_m_remss; modCycle=sst_cycle(mod);
164			mis=zm_mod_m_remss; misCycle=sst_cycle(mis);
165			subplot(3,1,1); pcolor(xx,yy,obs-obsCycle); shading flat; caxis([-1 1]*1); colorbar;
166			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
167			title('REMSS sst anomaly');
168			subplot(3,1,2); pcolor(xx,yy,mod-modCycle); shading flat; caxis([-1 1]*1); colorbar;
169			set(gca,'FontSize',14); set(gca,'XTick',[]); ylabel('latitude');
170			title('ECCO sst anomaly');
171			subplot(3,1,3); pcolor(xx,yy,mis-misCycle); shading flat; caxis([-1 1]*1); colorbar;
172			set(gca,'FontSize',14); ylabel('latitude'); title('ECCO-REMSS sst misfit');
173			myCaption={'ECCO and REMSS zonal mean sst anomalies (K)'};
174			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
175	gforget	1.7
176	gforget	1.8	end;
177
178			end;
179	gforget	1.1
180	gforget	1.8	function [zmCycle]=sst_cycle(zmIn);
181	gforget	1.1
182	gforget	1.8	ny=size(zmIn,2)/12;
183			zmCycle=NaN*zeros(179,12);
184			for mm=1:12;
185			zmCycle(:,mm)=nanmean(zmIn(:,mm:12:ny*12),2);
186	gforget	1.1	end;
187	gforget	1.8	zmCycle=repmat(zmCycle,[1 ny]);
188	gforget	1.1