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Index

1 MERIS User Guide
1.1 How to Choose MERIS Data
1.1.1 Geophysical Measurements
1.1.2 Scientific Background
1.1.2.1 Heritage
1.1.2.2 MERIS Level 3 products
1.1.2.3 Mission Objectives
1.1.3 Principles of Measurement
1.1.4 Geographical Coverage
1.1.5 Special Features of MERIS
1.1.6 Summary of Applications vs. Products
1.1.6.1 Introduction
1.1.6.2 Oceans
1.1.6.3 Atmosphere
1.1.6.4 Land
1.2 How to Use MERIS Data
1.2.1 Software Tools
1.2.1.1 General Tools
1.2.1.2 EnviView
1.2.1.3 BEAM
1.3 Image gallery
2 MERIS Products and Algorithms
2.1 Introduction
2.1.1 MERIS products overview
2.1.1.1 MERIS product processing levels
2.1.1.2 Full and reduced resolutions
2.1.1.3 MERIS product types
2.2 Organisation of Products
2.2.1 File naming convention
2.2.1.1 Product identification scheme
2.2.1.2 Acquisition identification scheme
2.2.2 MERIS product data structure
2.3 Definitions and Conventions
2.3.1 Units
2.3.2 Product Grid
2.3.3 Notations and Conventions
2.4 Product Evolution History
2.5 Level 0 Products
2.6 Level 1b Products and Algorithms
2.6.1 Level 1b Algorithms
2.6.1.1 Source Data Packet Extraction
2.6.1.2 Saturated Pixels
2.6.1.3 Radiometric Processing
2.6.1.4 Stray Light Correction
2.6.1.5 Geolocation
2.6.1.6 Pixel Classification
2.6.1.7 External Data Assimilation
2.6.1.8 Formatting
2.6.2 Level 1b product definition
2.6.2.1 Level 1b High-Level Organisation of Products
2.6.2.1.1 Reduced Resolution Geolocated and Calibration TOA Radiance
2.6.2.1.2 Full Resolution Geolocated and Calibration TOA Radiance
2.6.2.1.3 Main Product Header
2.6.2.1.4 Specific Product Header
2.6.2.1.5 Global Annotation Data Set
2.6.2.1.6 Annotation Data Set "Tie Points Location and corresponding Auxiliary Data"
2.6.2.1.7 Annotation Data Set "Product Quality"
2.6.2.1.8 Measurement Data Sets
2.6.2.2 Level 1b Accuracies
2.6.2.3 Level 1b Engineering Quantities
2.6.2.4 Level 1b Essential Product Confidence Data
2.6.2.5 Browse Products
2.7 Level 2 Products and Algorithms
2.7.1 Level 2 Algorithms
2.7.1.1 Level 2 Physical Justification
2.7.1.2 Level 2 Algorithm Description
2.7.1.2.1 MERIS Pre-processing
2.7.1.2.1.1 Level 1b product check
2.7.1.2.1.2 Pre processing step
2.7.1.2.2 MERIS Pressure Processing
2.7.1.2.2.1 Atmospheric pressure estimate (steps 2.1.5, 2.1.12)
2.7.1.2.2.2 Atmospheric pressure confidence tests (steps 2.1.2)
2.7.1.2.3 MERIS Pixel Identification
2.7.1.2.3.1 Cloud screening (steps 2.1.2, 2.1.7, 2.1.8)
2.7.1.2.3.2 Stratospheric Aerosol Correction (step 2.1.9)
2.7.1.2.3.3 Gaseous absorption corrections (step 2.6.12)
2.7.1.2.3.4 Land Identification (step 2.6.26) and Smile Effect Correction (step 2.1.6)
2.7.1.2.4 Total Water Vapour Retrieval
2.7.1.2.4.1 Water vapour retrieval over land surfaces (step 2.3.1)
2.7.1.2.4.2 Water vapour retrieval over water surfaces (steps 2.3.2, 2.3.5)
2.7.1.2.4.3 Water vapour retrieval over clouds (step 2.3.3)
2.7.1.2.4.4 Range checks (steps 2.3.0, 2.3.6)
2.7.1.2.4.5 Water vapour polynomial (function)
2.7.1.2.5 Cloud Processing
2.7.1.2.5.1 Cloud Albedo processing (step 2.4.1)
2.7.1.2.5.2 Cloud Optical Thickness processing (step 2.4.3)
2.7.1.2.5.3 Cloud type processing (step 2.4.8)
2.7.1.2.6 Water Processing
2.7.1.2.6.1 Water Confidence Checks (step 2.6.5)
2.7.1.2.6.2 Turbid water screening and corrections (steps 2.6.8, 2.6.10)
2.7.1.2.6.3 Clear water atmospheric corrections (step 2.6.9)
2.7.1.2.6.4 MERIS Ocean Colour Processing (step 2.9)
2.7.1.2.7 MERIS Land Pixels Processing
2.7.1.2.7.1 MERIS Top Of Atmosphere Vegetation Index (TOAVI) (step 2.2)
2.7.1.2.7.2 Atmospheric correction over land (step 2.6.23)
2.7.1.2.7.3 MERIS Bottom Of Atmosphere Vegetation Index (BOAVI) (step 2.8)
2.7.1.2.8 MERIS Level 2 Product Formatting Algorithm
2.7.1.2.8.1 Main Product Header
2.7.1.2.8.2 Specific Product Header
2.7.1.2.8.3 Annotation Data Set "Summary Product Quality"
2.7.1.2.8.4 Global Annotation Data Set - Scaling Factors
2.7.1.2.8.5 Annotation Data Set "Tie Points Location and corresponding Auxiliary Data"
2.7.1.2.8.6 Measurement Data Sets
2.7.1.3 Level 2 Accuracies
2.7.2 Level 2 Products
2.7.2.1 Level 2 High-Level Organisation of Products
2.7.2.1.1 Reduced Resolution Geophysical Product
2.7.2.1.2 Extracted Cloud Thickness and Water Vapour
2.7.2.1.3 Extracted Cloud Thickness and Water Vapour for Meteo Users
2.7.2.1.4 Extracted Vegetation Indices
2.7.2.1.5 Full Resolution Geophysical Product
2.7.2.2 Level 2 Geophysical Products
2.7.2.2.1 Product description
2.7.2.2.2 Ocean products
2.7.2.2.2.1 Normalized water leaving radiance / reflectance
2.7.2.2.2.2 Algal Pigment Index I
2.7.2.2.2.3 Algal Pigment Index II
2.7.2.2.2.4 Suspended matter
2.7.2.2.2.5 Yellow substance
2.7.2.2.2.6 Photosynthetically Active Radiation (PAR)
2.7.2.2.2.7 Aerosol optical thickness
2.7.2.2.2.8 The MERIS Aerosol Angström Coefficient
2.7.2.2.3 Cloud products
2.7.2.2.3.1 Cloud optical thickness
2.7.2.2.3.2 Cloud albedo
2.7.2.2.3.3 Cloud top pressure
2.7.2.2.3.4 Cloud Type
2.7.2.2.3.5 Cloud reflectance
2.7.2.2.4 Land products
2.7.2.2.4.1 Reflectance
2.7.2.2.4.2 Aerosol optical thickness
2.7.2.2.4.3 Aerosol Angström Coefficient
2.7.2.2.4.4 Meris Global Vegetation Index
2.7.2.2.4.5 Meris Terrestrial Chlorophyll Index
2.7.2.2.5 Water Vapour products
2.7.2.2.6 Flags
2.7.2.2.7 Annotation data set
2.8 MERIS-Specific Topics
2.9 Auxiliary Files
2.9.1 Summary of Auxiliary Datasets
2.9.1.1 MERIS Instrument Data File
2.9.1.2 MERIS Level 1b Control Parameters Data File
2.9.1.3 Radiometric Calibration Data File
2.9.1.4 Digital Roughness Model Data File
2.9.1.5 Coastline/Land/Ocean Data File
2.9.1.6 Aerosol Climatology Data File
2.9.1.7 Level 2 Control Parameters Data File
2.9.1.8 Atmosphere Parameters Data File
2.9.1.9 Water Vapour Parameters Data File
2.9.1.10 Ocean Aerosols Parameters Data File
2.9.1.11 Land Aerosols Parameters Data File
2.9.1.12 Ocean I Parameters Data File
2.9.1.13 Ocean II Parameters Data File
2.9.1.14 Cloud Measurement Parameters Data File
2.9.1.15 Land Vegetation Index Parameters Data File
2.9.1.16 Surface Confidence Map File
2.9.1.17 ENVISAT Orbit Data Files
2.9.1.18 ECMWF Data Files
2.9.1.19 Digital Elevation Model
2.9.2 Auxiliary Datasets for Level 1b Processing
2.9.3 Auxiliary Datasets for Level 2 Processing
2.9.4 Common Auxiliary Datasets
2.10 Latency, Throughput and Data Volume
3 MERIS Instrument
3.1 Instrument Description
3.1.1 The MERIS instrument
3.1.2 Instrument Concept
3.1.2.1 Instrument optics
3.1.2.2 Detection Focal Plane
3.1.2.3 Video Electronic Unit
3.1.2.4 Digital processing Unit
3.1.3 Instrument model philosophy
3.2 Characterisation and Calibration
3.2.1 Calibration Modes
3.2.2 Onboard Calibration Hardware
3.3 Instrument Characteristics and Performance
3.3.1 Instrument characteristic
3.3.2 MERIS Quality Status
4 MERIS Glossary and reference documents
4.1 Acronyms and Abbreviations
4.2 Glossary
4.2.1 Geometry Glossary
4.2.2 Atmosphere Glossary
4.2.3 Cloud Glossary
4.2.4 Meteorology Glossary
4.2.5 Neural Network Glossary
4.2.6 Ocean Colour Glossary
4.2.7 Water Vapour Glossary
4.2.8 Vegetation Glossary
4.2.9 Optics Glossary
4.2.10 Product Glossary
4.3 Reference documents
5 MERIS Data Formats Products
6 MERIS Credits

Keywords: ESA European Space Agency - Agence spatiale europeenne, observation de la terre, earth observation, satellite remote sensing, teledetection, geophysique, altimetrie, radar, chimique atmospherique, geophysics, altimetry, radar, atmospheric chemistry

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