North Atlantic Oscillation

Observed data . Reanalysis . Satellite data . Model  results NAO

NAO signal

Statistical techniques

POP

Data Analysis

Climate variability

Climate predictability

(Hasselmann,1987; von Storch, 1987)

For linear processes, where A is the system matrix and r is the noise:

Statistic approximation: 

POP modes are the eigenvectors p of the system matrix :

Complex eigenvalues:

The period:

The damping time:

The associated time series:

 

 

EOF

 

CCA

 

POP

 

MICOM

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Roxana Bojariu Copyright 2002-2003

NAO