Table
of Contents
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Table
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2. Reference Documents
2.1 EUMETSAT technical
documents
2.2 SAF documents
2.3 Papers, reports
and other technical documentation
3. ASCAT Products Configuration
History
3.1 Near-real-time products
3.1.1 ASCAT L1b
3.1.2 ASCAT L2
Soil Moisture Index
3.1.3
ASCAT L2 Ocean Surface Wind Products
3.2 Reprocessed data sets
3.2.1 ASCAT L1b
3.2.2 ASCAT L2
Soil Moisture Index
4. ASCAT Products
Overview
4.1 Inheritance
from ERS scatterometers and key features of the ASCAT mission
4.2 The ASCAT
instrument
4.2.1
Technical description
4.2.2
Instrument modes
4.2.3
Instrument calibration
4.3 Measurement
principle, geometry and coverage
4.4 Overview
of the ground processing and calibration
4.4.1
The Level 1b ground processing
4.4.1.1
The Level 1b main processing chain
4.4.1.2
The external calibration processing chain
4.4.1.3
The power-to-sigma0 normalisation factors and deblooming kernels
4.4.1.4
Level 1b nominal and degraded operation modes
4.4.2
The Level 2 ground processing
4.4.2.1
Ocean winds processing
4.4.2.2
Soil moisture processing
4.5 ASCAT
product characteristics and use
4.5.1
The ASCAT Level 1b spatially averaged products
4.5.1.1
General characteristics
4.5.1.2
Accuracy
4.5.1.3
Quality information in the products
4.5.2
The ASCAT Level 1b full resolution product
4.5.2.1
General characteristics
4.5.2.2
Accuracy
4.5.2.3
Quality information in the products
4.5.3
The ASCAT Level 2 ocean surface wind product
4.5.3.1
General characteristics
4.5.3.2
Accuracy
4.5.3.3
Quality information in the products
4.5.4
The ASCAT Level 2 Soil Moisture product
4.5.4.1
General characteristics
4.5.4.2
Accuracy
4.5.4.3
Quality information in the products
4.6 Summary
of ASCAT product current and potential applications
4.6.1
Scatterometer ocean wind applications
4.6.1.1
Ocean winds assimilation in weather forecasting
4.6.1.2
Nowcasting and forecasting of extreme events
4.6.1.3
Winds forcing ocean and wave models
4.6.2
Other scatterometer applications
4.6.2.1
Sea Ice monitoring: mapping and analysis
4.6.2.2
Snow accumulation over great ice sheets
4.6.2.3
Scatterometry over land surfaces
6. ASCAT Product Formats
and Dissemination
6.1 EPS products
available dissemination means
6.1.1
Satellite Direct Broadcast Service
6.1.2
EUMETCast
6.1.3
GTS/RMDCN
6.1.4
EUMETSAT Data Centre
6.2 ASCAT
products dissemination
6.2.1
Near-real-time dissemination
6.2.2
Archive retrieval
6.3 ASCAT
EPS native product formats
6.3.1
The EPS native formats
6.3.1.1
General overview of the EPS generic product format
6.3.1.2
Granularity of the EPS products
6.3.1.3
Product format version control
6.3.1.4
Product naming convention
6.3.2
The ASCAT Level 1b product formats
6.3.2.1
Level 1b spatially averaged products format
6.3.2.2
Level 1b full-resolution product format
6.3.3
ASCAT Level 2 Soil Moisture product formats
6.4 The HDF
format
6.5 The WMO
formats
6.6 The NetCDF
format
7. ASCAT Product Processing Algorithms
9. ASCAT Products Routine Monitoring
10. Record Description
of the ASCAT Level 1b Spatially Averaged Products
10.1 ASCA_SZO_1B
product
10.2 ASCA_SZR_1B
product
11. Record Description
of the ASCAT Level 1b Full Resolution Product
11.1 ASCA_SZF_1B
product
12. Record Description
of the ASCAT Level 2 Soil Moisture Products
12.1 ASCA_SMO_02
product
12.2 ASCA_SMR_02
product
Appendix A: Summary of all EPS Products
Appendix
B: Metop Operational Orbit
B.1
Metop orbit basic parameters
B.2
Metop attitude law
B.2.1
Metop yaw steering law
B.3
Metop orbit and attitude propagation
B.3.1
Orbit propagation
B.3.2
Metop attitude propagation
Appendix
C: Data Types Used by the Generic EPS Format
C.1
Basic data types
C.2
Compound data types
Appendix
D: Format and Contents of the GRH and IPR
D.1
Generic Record Header
D.1.1
RECORD_CLASS enumerated values
D.1.2
INSTRUMENT_GROUP enumerated values
D.1.3
RECORD_SUBCLASS values
D.1.4
RECORD_SUBCLASS_VERSION values
D.1.5
RECORD_SIZE values
D.1.6
Definitions of RECORD_START_TIME and RECORD_STOP_TIME values
D.2
Generic Internal Pointer Record
Appendix E: Acronyms and Abbreviations