Satellite Related Resources

Satellite Validation Resources

• Aerosol, Clouds and Trace Gases Infrastructure (ACTRIS): Cal/Val data access, facilities and services relevant for air quality, climate and ozone satellites and model evaluation
• Atmospheric Toolbox: CODA, HARP, VISAN and QDOAS toolsets
• CEOS (Committee on Earth Observation Satellites): international coordination, publications, data stewardship, tools, information systems
• CEOS Cal/Val Portal: best practices, Cal/Val data access, Cal/Val sites, FRM projects, terms & definitions
• ESA Atmospheric Validation Data Centre (EVDC): Cal/Val data, GEOMS format, FLEXTRA trajectories, ECMWF maps, overpass tool
• ESA Envisat CAL/VAL database at NILU
• HDF-EOS Tools and Information Center / HDF Explorer software
• NASA/GSFC Aura Validation Data Center (AVDC)
• Quality Assurance framework for Earth Observation (QA4EO): guidelines, documentation, resources, case studies
• QA4ECV Terms and Definitions applicable to the quality assurance of Essential Climate Variable data records 

Satellite Validation Services

• ESA/Copernicus Sentinel-5p Automated Validation Server
• ESA/Copernicus Sentinel-5p Validation Data Analysis Facility
• EUMETSAT AC SAF validation services: ozone, trace gases, surface UV
• NOAA Products Validation System (NPROVS)
• SCIAMACHY Validation and Interpretation Group (SCIAVALIG) 

Validation Reference Measurements

• Aerosol, Clouds and Trace Gases Infrastructure (ACTRIS): single entry point to data from multiple instruments and networks, relevant for air quality, climate and ozone
• Aerosol Robotic Network (AERONET): columnar aerosol optical depth (AOD)
• Advanced Global Atmospheric Gases Experiment (AGAGE): surface concentration (coastal + mountain) measurements of long-lived trace gases (33 compounds)
• CEOS Pseudo Invariant Calibration Sites (PICS): sites charaterized for surface BRDF, spectral and atmospheric properties, and temporal stability
• COllaborative Carbon Column Observing Network (COCCON): column-averaged abundance of CO2, CH4,H2O, and CO by a network of EM27/SUN FTIR spectrometers
• Fiducial Reference Measurements for Ground-Based DOAS Air-Quality Observations (FRM4DOAS): column O3 and tropospheric NO2 profile data
• GCOS Reference Upper Air Network (GRUAN): radiosonde data
• Halocarbons & other Atmospheric Trace Species (HATS):  O3 depleting substances and greenhouse gases
• Hyperspectral radiometer network (HYPERNETS): water and land bi-directional refflectance measurements for validation of VIS, NIR and SWIR satellites
• Micro-Pulse Lidar Network (MPLNET): aerosol and cloud vertical structure, boundary layer height
• Network for the Detection of Atmospheric Composition Change (NDACC): air quality, greenhouse gases, H2O, O3 and O3 depleting substances, spectral UV, temperature... measurements by networks of Brewers and Dobsons, FTIR and UV-Vis DOAS spectrometers, lidars, MW radiometers, ozonesondes, and UV spectroradiometers
• Pandonia Global Network (PGN): column measurements of HCHO, NO2, O3, and SO2 by a network of DS-DOAS spectrometers
• Radiometric Calibration Network (RadCalNet): Top-of-Atmosphere spectrally-resolved reflectances (380 to 2500 nm) at 10 nm sampling
• Southern Hemisphere ADditional OZonesondes (SHADOZ): ozonesonde profile data in the tropics
• Solar Radiation Network (SolRad-Net): high-frequency total solar flux (305-2800 nm), PAR (400-700 nm), UV-visible irradiance (305-695 nm)
• Total Carbon Column Observing Network (TCCON): column-averaged abundance of CO2, CH4, N2O, HF, CO, H2O, and HDO
• Tropospheric Ozone Lidar Network (TOLNet): ozone profile lidar measurements from near the surface to the top of the troposphere

Satellite Overpass Predictors and Data Access

• ESA Atmospheric Validation Data Centre (EVDC) orbit prediction tools and overpass data access for AEOLUS, Copernicus Sentinels, Envisat, EOS, GOSAT, MetOp, OCO...
• EU Copernicus Space Component Data Access (CSCDA)
• EUMETSAT Satellite Application Facility on Atmospheric Composition Monitoring (AC SAF)
• GOSAT Data Archive Service (GDAS)
• ICARE Overpass Predictor for Aqua, Calipso, Cloudsat, Parasol and Envisat
• IPSL IXION Orbit Predictor for EOS, FengYun, HIMAWARI, JPSS, Meteor, MetOp, MSG...
• NASA Aura Validation Data Center (AVDC) overpass data access for Aura, Envisat, MetOp, SBUV/2, Suomi-NPP...
• NASA/GSFC EarthData Atmospheric Composition (GES DISC)
• NASA/LARC EarthData Atmospheric Science Data Center (ASDC)
• NASA/GSFC Ozone and Air Quality
• NOAA NESDIS Joint Polar Satellite System (STAR JPSS)
• NOAA NPROVS Orbital Display System (ODS)

Programs and Missions

• CEOS Database: missions, instruments, measurements and datasets
• EO Portal: Earth Observation satellite missions catalogue
• ESA Earth Online: ESA Earth Observation programme
• EU Copernicus Space Component: Sentinels and Contributing Missions
• NASA Earth Observing System (EOS)
• NOAA-NASA Joint Polar Satellite System (JPSS)
• WMO Observing Systems Capability Analysis and Review Tool (OSCAR): programmes, instruments, satellite status, gap analysis

Space Agencies

• Agence spatiale canadienne / Canadian Space Agency (ASC-CSA)
• Belgian Science Policy - Space Research and Applications (BELSPO)
• German Aerospace Center (DLR)
• National Satellite Meteorological Center of the China Meteorological Administration (CMA/NSMC)
• Russian Federal Space Agency
• Swedish National Space Board (SNSB)
• World Meteorological Organization Space Programme (WMO-Space)