Example of Fig 4.11

Sensitivity to Time Sampling

function example3
%
%  Effect of changing the time series
%

flat = [0 90];
flon = [0 360];
lnorm = 'anom';
[zt,ind,fcos]=readz500(flat,flon,'season','jfm','scaling','yes');

[z,sdz]=anomaly(zt,lnorm);

odd=1:2:34;
even=2:2:34;

[eof1,lam1,v,proj]=eoffast(z(:,odd),ind,15,1);
[eof2,lam2,v,proj]=eoffast(z(:,even),ind,15,1);
[eof3,lam3,v,proj]=eoffast(z,ind,15,1);


% Make plot

titstr=cell(size(1:3));

titstr{1} = [' Odd Years  - EOF Mode 1  '    num2str(lam1(1)*100,'%-2.0f') '%'];
titstr{2} = [' Even Years  - EOF Mode 1  '    num2str(lam2(1)*100,'%-2.0f') '%'];
titstr{3} = [' Total -  EOF Mode 1  '    num2str(lam3(1)*100,'%-2.0f') '%'];

bigtit{1}= ['Sensitivity to Time Series  ' ];
bigtit{2}= '';
pict3(bigtit,eof1(:,1),eof2(:,1),eof3(:,1), ...
    [0 90],[0 360],[-0.3:0.02:0.3],titstr,'shading','off');
print('-dpdf','-painters','-adobecset',['example31.pdf']);
Normalization anom
Expanded Field
Expanded Field
Expanded Field
Shading is  off 
Reshaping for T30 Gaussian grid
Contouring from a minimum -0.3000 
Contouring to a maximum 0.3000 
Contouring interval is  0.0200 
Contour values are: 
-0.3000 -0.2800 -0.2600 -0.2400 -0.2200 -0.2000 -0.1800 -0.1600 -0.1400 -0.1200 -0.1000 -0.0800 -0.0600 -0.0400 -0.0200 0.0000 0.0200 0.0400 0.0600 0.0800 0.1000 0.1200 0.1400 0.1600 0.1800 0.2000 0.2200 0.2400 0.2600 0.2800 0.3000 
Maximum field value 0.1125 
Minimum field value -0.0476 
Shading is  off 
Reshaping for T30 Gaussian grid
Contouring from a minimum -0.3000 
Contouring to a maximum 0.3000 
Contouring interval is  0.0200 
Contour values are: 
-0.3000 -0.2800 -0.2600 -0.2400 -0.2200 -0.2000 -0.1800 -0.1600 -0.1400 -0.1200 -0.1000 -0.0800 -0.0600 -0.0400 -0.0200 0.0000 0.0200 0.0400 0.0600 0.0800 0.1000 0.1200 0.1400 0.1600 0.1800 0.2000 0.2200 0.2400 0.2600 0.2800 0.3000 
Maximum field value 0.1013 
Minimum field value -0.0504 
Shading is  off 
Reshaping for T30 Gaussian grid
Contouring from a minimum -0.3000 
Contouring to a maximum 0.3000 
Contouring interval is  0.0200 
Contour values are: 
-0.3000 -0.2800 -0.2600 -0.2400 -0.2200 -0.2000 -0.1800 -0.1600 -0.1400 -0.1200 -0.1000 -0.0800 -0.0600 -0.0400 -0.0200 0.0000 0.0200 0.0400 0.0600 0.0800 0.1000 0.1200 0.1400 0.1600 0.1800 0.2000 0.2200 0.2400 0.2600 0.2800 0.3000 
Maximum field value 0.1081 
Minimum field value -0.0435