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DATA ASSIMILATION
IFS documentation Front Page
Table of contents
CHAPTER 1 Incremental
formulation of 3D/4D variational assimilation-an overview
CHAPTER 2 3D variational assimilation
CHAPTER 3 4D variational assimilation
CHAPTER 4 Background term
CHAPTER 5 Conventional observational
constraints
CHAPTER 6 Satellite observational
constraints
CHAPTER 7 Background, analysis
and forecast errors
CHAPTER 8 Gravity-wave control
CHAPTER 9 Data partitioning (OBSORT)
CHAPTER 10 Observation screening
CHAPTER 11 Analysis of snow
CHAPTER 12 Land surface analysis
CHAPTER 13 SST and sea-ice analysis
CHAPTER 14 Reduced-rank Kalman filter
Previous Section
CHAPTER 3
4D variational assimilation
Table of contents
3.1. Introduction
3.2. Organization of data in time slots
| 3.2.1 Observation preprocessing. |
| 3.2.2 Inside IFS. |
| 3.2.3 Observation screening in 4D-Var |
3.3. Inner and outer loops: practical implementation
3.4. Tangent linear physics
| 3.4.1 Set-up |
| 3.4.2 Mixed-phase thermodynamics |
| 3.4.3 Vertical diffusion |
| 3.4.4 Sub-grid scale orographic effects |
| 3.4.5 Large-scale precipitation |
| 3.4.6 Long-wave radiation |
| 3.4.7 Deep moist convection |
| 3.4.8 Trajectory management |
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20.03.2002 |
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© ECMWF |
