IFS Documentation front page

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

Part II: Data assimilation

CHAPTER 1 Incremental formulation of 3D/4D variational assimilation-an overview

Table of contents

1.1 Introduction

1.2 Incremental Formulation

1.3 Practical implementation

1.3.1 Data flow

1.3.2 Formation of high-resolution analysis

1.3.3 Humidity and ozone

1.4 Preconditioning and control variable

1.5 Minimization