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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 5
Conventional observational constraints
Table of contents
5.1 Introduction
5.2 Data usage
| 5.2.1 Controls |
| 5.2.2 Overview of observation operators |
5.3 The observation operator for geopotential height
| 5.3.1 Quadratic vertical interpolation near the top of the model |
| 5.3.2 Below the model's orography |
5.4 The observation operator for wind
5.5 The observation operators for humidity
| 5.5.1 Saturation vapour pressure |
| 5.5.2 Relative humidity |
| 5.5.3 Precipitable water |
| 5.5.4 Specific humidity |
5.6 The observation operator for temperature
5.7 Surface observation operators
| 5.7.1 Mathematical formulation |
| 5.7.2 Surface values of dry static energy |
| 5.7.3 Transfer coefficients |
| 5.7.4 Two-metre relative humidity |
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20.03.2002 |
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