IFS Documentation front page

I Observations
II Assimilation
III Dynamics
IV Physics
V Ensemble
VI Technical
VII Waves

Part II: Data assimilation

CHAPTER 7 Background, analysis and forecast errors

Table of contents

7.1 Nomenclature

7.2 Input and `massaging' of background errors

7.3 Diagnosis of background error variances

7.4 Calculation of eigenvalues and eigenvectors of the Hessian

7.5 The Preconditioner

7.6 Calculation of analysis-error variances

7.7 Calculation of forecast error variances