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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
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CHAPTER 10
Observation screening
Table of contents
10.1 Introduction
10.2 The structure of the observation screening
| 10.2.1 The incoming observations |
| 10.2.2 The screening run |
| 10.2.3 General rationale of the observation screening |
| 10.2.4 3D- versus 4D-Var screening |
10.3 The independent observation screening decisions
| 10.3.1 Preliminary check of observations |
| 10.3.2 Blacklisting |
| 10.3.3 Background quality control |
10.4 Screening of satellite radiances
| 10.4.1 General |
| 10.4.2 Input |
| 10.4.3 Bias correction |
| 10.4.4 Quality control |
| 10.4.5 Retrieval |
| 10.4.6 SSM/I radiances |
10.5 Scatterometer processing
| 10.5.1 Introduction |
| 10.5.2 Background |
| 10.5.3 ERS Wind scatterometer processing |
| 10.5.4 NASA scatterometer (NSCAT) processing |
| 10.5.5 NASA \Q\QQUIK'' scatterometer (QuikSCAT) processing |
10.6 The dependent observation screening decisions
| 10.6.1 Update of the observations |
| 10.6.2 Global time-location arrays |
| 10.6.3 Vertical consistency of multilevel reports |
| 10.6.4 Removal of duplicated reports |
| 10.6.5 Redundancy check |
| 10.6.6 Thinning |
| 10.6.7 A summary of the current use of observations |
| 10.6.8 Compression of the ODB |
10.7 A massively-parallel computing environment
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21.03.2002 |
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© ECMWF |
