author | A.M. Thurnherr <athurnherr@yahoo.com> |
Tue, 18 Jun 2013 11:51:32 +0000 | |
changeset 5 | 033a169071de |
parent 0 | 0a450563f904 |
child 20 | 61b92f8fb463 |
permissions | -rw-r--r-- |
0
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1 |
function p=checkinv(dr,di,de,der,p,ps) |
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% function p=checkinv(dr,di,de,der,p,ps) |
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3 |
% check inversion for consistency |
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4 |
% Martin Visbeck 2004 |
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5 |
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uerrm=median(dr.uerr); |
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7 |
unoise=meannan(stdnan([der.ru_err ; der.rv_err])) ; |
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8 |
|
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9 |
disp('CHECKINV all values are given in [m/s] ') |
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disp([' Velocity profile error: ',num3str(uerrm,6,3),... |
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' should be about noise: ',num3str(unoise,6,3)]) |
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12 |
|
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13 |
% check bottom track |
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if existf(dr,'zbot') |
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if existf(de,'bvels') |
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|
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17 |
% std of missmatch between bottom track and U_ctd |
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ubso=([real(de.bvel)+dr.uctd]); |
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vbso=([imag(de.bvel)+dr.vctd]); |
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uvbso=meannan(sqrt(ubso.^2+vbso.^2)); |
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21 |
|
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22 |
% std of bottom track |
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uvbsi=meannan(de.bvels); |
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24 |
else |
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25 |
disp(' do not know how uncertain the bottom track is') |
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26 |
uvbso=nan; |
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uvbsi=nan; |
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28 |
end |
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|
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disp([' Check bottom track rms: ',num3str(uvbso,6,3),... |
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' should be smaller than ',num3str(uvbsi,6,3),' / ',num3str(ps.botfac,6,3)]) |
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end |
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% check SADCP |
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if existf(dr,'z_sadcp') |
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|
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% std of missmatch between SADCP and LADCP velocity profile |
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us=interp1(dr.z,dr.u,dr.z_sadcp); |
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vs=interp1(dr.z,dr.v,dr.z_sadcp); |
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usso=([us-dr.u_sadcp]); |
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vsso=([vs-dr.v_sadcp]); |
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uvsso=meannan(sqrt(usso.^2+vsso.^2)); |
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|
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% given std of SADCP profile |
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uvssi=medianan(dr.uerr_sadcp); |
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|
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disp([' Check SADCP rms: ',num3str(uvsso,6,3),... |
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' should be smaller than ',num3str(uvssi,6,3),' / ',num3str(ps.sadcpfac,6,3)]) |
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|
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end |
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|
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% check GPS |
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if existf(dr,'uship') |
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|
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% difference of mean ships drift from LADCP and GPS |
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dtiv=gradient(dr.tim); |
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us=sum(dtiv.*dr.uship)/sum(dtiv); |
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vs=sum(dtiv.*dr.vship)/sum(dtiv); |
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uvgso=sqrt((us-p.uship).^2 + (vs-p.vship).^2); |
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|
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% computed uncertainty of GPS derived ships speed |
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uvgsi=ps.barvelerr; |
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|
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disp([' GPS-LADCP ship spd diff:',num3str(uvgso,6,3),... |
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' should be smaller than ',num3str(uvgsi,6,3),' / ',num3str(ps.barofac,6,3)]) |
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end |
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% plot inverse solution weights |
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if existf(de,'type_constraints') |
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ic=find(sum([de.ctd_constraints,de.ocean_constraints]')~=0); |
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74 |
|
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75 |
figure(12) |
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76 |
clf |
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77 |
orient tall |
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78 |
|
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ic2=3*length(ic); |
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col=jet(ic2); |
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ic3=[1:length(ic)]*3; |
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ic3=[ic3(1:2:end),fliplr(ic3(2:2:end))]; |
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83 |
colormap(col(ic3,:)); |
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84 |
|
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85 |
subplot(211) |
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bar(dr.z,de.ocean_constraints(ic,:)','stack') |
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legend(de.type_constraints(ic,:),-1) |
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ylabel('sum of weights') |
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89 |
title('ocean velocity constraints') |
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90 |
xlabel('depth [m]') |
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91 |
axis tight |
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92 |
|
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93 |
subplot(212) |
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bar(de.ctd_constraints(ic,:)','stack') |
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legend(de.type_constraints(ic,:),-1) |
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title('CTD velocity constraints') |
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ylabel('sum of weights') |
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98 |
xlabel('super ensemble') |
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99 |
axis tight |
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100 |
|
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101 |
streamer([p.name,' Figure 12']); |
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102 |
end |