🛰️ Satellite & Earth Observation

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Copernicus Sentinel-1 Synthetic Aperture Radar Imagery

Free global C-band synthetic-aperture radar imagery for flood mapping, surface-water monitoring, wetlands, soil moisture, agriculture, coastal observation, ground deformation and disaster assessment.

Provider Copernicus Data Space Ecosystem

Resolution Resolution varies by acquisition mode and product type. Stripmap mode: approximately 5 × 5 m resolution with an approximately 80 km swath. Interferometric Wide Swath mode: approximately 5 × 20 m resolution with an appr

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Digital Earth Africa Water Observations from Space

Free Africa-wide surface-water observations derived from Landsat imagery, showing where water was detected in individual satellite scenes and how frequently water occurred annually and throughout the historica…

Provider Digital Earth Africa

Resolution 30 metres × 30 metres

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EUMETSAT Meteosat-12 FCI Level 1c Full-Disc Imagery

Operational Meteosat-12 Flexible Combined Imager radiance data providing 16 visible, near-infrared, water-vapour and thermal-infrared channels every 10 minutes for weather, water, vegetation, fire, cloud and e…

Provider European Organisation for the Exploitation of Meteorological Satellites

Resolution FDHSI normal-resolution collection: VIS 0.4: approximately 1 km at the sub-satellite point VIS 0.5: approximately 1 km VIS 0.6: approximately 1 km VIS 0.8: approximately 1 km VIS 0.9: approximately 1 km NIR 1.3: ap

Global Ungauged basins

JAXA Global 25 m PALSAR-2/PALSAR Annual SAR Mosaics

Free global annual 25-metre L-band SAR mosaics providing terrain-corrected HH and HV Gamma-0 radar backscatter, observation dates, local incidence angles, processing masks and CEOS Analysis Ready Data metadata.

Provider Japan Aerospace Exploration Agency Earth Observation Research Center_2

Resolution Spatial Resolution 0.8 arc seconds, corresponding to approximately 25 metres at the Equator. The physical east-to-west pixel dimension decreases toward higher latitudes because the data are distributed in geographic lat

Global Ungauged basins

NASA MODIS Terra and Aqua 8-Day Surface Reflectance

Free global 8-day surface-reflectance composites from Terra and Aqua MODIS, providing seven atmospherically corrected spectral bands, quality information and observation geometry at 500-metre resolution.

Provider NASA Land Processes Distributed Active Archive Center_2

Resolution 500 metres × 500 metres for the seven surface-reflectance bands and associated composite information

Global Ungauged basins

NOAA JPSS VIIRS Level-1B Multispectral Sensor Data Records

Free global Level-1B VIIRS imagery from Suomi NPP, NOAA-20 and NOAA-21, providing 22 calibrated visible, near-infrared, shortwave-infrared, thermal-infrared and day-night bands for water, vegetation, fire, sno…

Provider National Oceanic and Atmospheric Administration National Environmental Satellite, Data, and Information Service

Resolution Spatial Resolution Five Imaging-resolution bands: Approximately 375 metres at nadir Sixteen Moderate-resolution bands: Approximately 750 metres at nadir Day-Night Band: Approximately 750 metres at nadir Pixel dimen

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USGS Landsat Collection 2 Level-2 Surface Reflectance and Surface Temperature

Free global Landsat Collection 2 Level-2 imagery providing atmospherically corrected surface reflectance, land-surface temperature, quality-assurance bands and supporting metadata from 1982 to the present.

Provider U.S. Geological Survey Earth Resources Observation and Science Center

Resolution 30 metres for delivered surface-reflectance bands. 30 metres for the delivered surface-temperature product, with thermal measurements resampled to the Level-2 product grid. Quality-assurance, atmospheric, emissivity an

Global Ungauged basins

NASA MODIS and VIIRS Level-1B Calibrated Radiance and Geolocation Imagery

Free global MODIS and VIIRS Level-1B observations providing calibrated radiance, top-of-atmosphere reflectance, brightness temperature, quality information and companion geolocation data for water, vegetation,…

Provider NASA Level-1 and Atmosphere Archive and Distribution System Distributed Active Archive Center

Resolution MODIS native spatial resolution at nadir: Bands 1–2: approximately 250 metres Bands 3–7: approximately 500 metres Bands 8–36: approximately 1 kilometre MODIS 500-metre products also contain bands 1–2 aggregated to 50

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NASA OPERA Sentinel-1 Radiometric Terrain-Corrected SAR Backscatter

Free near-global Sentinel-1 radiometric terrain-corrected radar imagery providing 30-metre Gamma-0 backscatter in available VV, VH, HH and HV polarizations for water, flood, wetland, soil, vegetation and envir…

Provider NASA Alaska Satellite Facility Distributed Active Archive Center

Resolution One mapped product for each Sentinel-1 Interferometric Wide Swath radar burst. Each burst product has a relatively small geographic footprint compared with a complete Sentinel-1 scene. Products sharing the same burst i

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NASA PACE OCI Global Ocean Colour and Aquatic Ecosystem Products

Free global PACE Ocean Color Instrument products providing hyperspectral water-leaving reflectance, chlorophyll-a, phytoplankton carbon, particulate organic carbon, optical absorption and backscattering, light…

Provider NASA Ocean Biology Distributed Active Archive Center

Resolution Level-2 native swath products: Approximately 1.05 kilometres at nadir, frequently described as approximately 1.2-kilometre nominal imagery Level-3 mapped products: Approximately 4.6 kilometres for many standard global