Data Catalogue

Digital Earth Africa hosts a repository of Earth observation datasets spanning continental Africa.

DE Africa Continental Services

Digital Earth Africa Continental services are continental-scale outputs that are produced by Digital Earth Africa from various combinations of the external datasets using specified modelling and calculation techniques, with validation also undertaken. Continental Services are provided with specified levels of update and latency and may be continuously updated as external datasets become available.

Agriculture

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Cropland Extent (2019)

Estimated location of croplands.

Coastal

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Coastlines Monitoring

Annual shorelines and rates of coastal change along the entire African coastline at a 30 m resolution from 2000 to present.

Geomedians

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GeoMAD cloud-free composites

Cloud-free mosaics from Landsat and Sentinel-2 satellites.

Surface water

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Water Observations from Space

Individual, annual and historic water observations.

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Waterbodies Monitoring (historical extent and surface area time series)

A continental collection of African water bodies locations and surface area change at a 30m resolution from 1987 to present.

Vegetation

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Fractional Cover

Green vegetation, non-green vegetation and bare soil for every Landsat image.

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Monthly Normalised Difference Vegetation Index (NDVI) Anomaly

Monthly mapping of vegetation condition against the long-term baseline.

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Normalised Difference Vegetation Index (NDVI) Climatology

Long-term average vegetation condition (NDVI) for every Landsat pixel over the African continent.

External Datasets

External Datasets are datasets that are made available to, and within Digital Earth Africa, but are not produced or maintained by Digital Earth Africa.

Agriculture

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WaPOR, remote sensing for water productivity

The Water Productivity through Open access of Remotely sensed derived data (WaPOR) monitors and reports on agricultural water productivity through biophysical measures with a focus on Africa and the Near East, produced by the FAO.

Elevation and topography

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Copernicus DEM (COP-DEM)

Corpenicus Digital Elevation Model with limited worldwide coverage at 30 metres and global coverage at 90 metres spatial resolution.

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Shuttle Radar Topography Mission (SRTM) 1 Arc-Second Global Digital Elevation Model and DEM Derivatives

NASA version 3.0 Shuttle Radar Topography Mission (SRTM) global 1 arc second (~30 metre) DEM and Digital Earth Africa SRTM DEM Derivatives.

Land Cover

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ESA Climate Change Initiative Land Cover at 300m spatial resolution

ESA Climate Change Initiative Land Cover at 300 m resolution.

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Copernicus Global Land Service Global Land Cover at 100m spatial resolution

Copernicus Global Land Service annual land cover layers at 100 m spatial resolution.

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ESA WorldCover global land cover map at 10 m resolution.

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ESRI Global Land Use Land Cover

ESRI 10-meter resolution global land use land cover time series.

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OECD/SWAC Africapolis with green space indicators

OECD Sahel and West Africa Club created Africapolis to provide a much needed standardised geospatial database on urbanisation dynamics in Africa, with the aim of making urban data in Africa comparable across countries and across time.

Meteorology

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Rainfall estimates (CHIRPS)

Daily and monthly rainfall estimates from rain gauge and satellite observations.

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ERA5 Climate Gridded Data

ERA5 global climate reanalysis product by the Copernicus Climate Change Service (C3S) at the ECMWF.

Radar backscatter

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ALOS PALSAR, ALOS-2 PALSAR-2 and JERS-1 SAR Annual Mosaic

Synthetic Aperture Radar annual mosaics from JAXA.

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Sentinel-1 Normalised Radar Backscatter

Synthetic Aperture Radar from Sentinel-1.

Satellite images

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Landsat Collection 2 Level-2 Surface Reflectance

Daily satellite images from Landsat 5, 7, 8 and 9.

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Landsat Collection 2 Level-2 Surface Temperature

Surface Temperature from Landsat 5, 7, 8 and 9.

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Sentinel-2 Level-2A Surface Reflectance

Daily satellite images from Sentinel-2.

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Planet NICFI visual mosaics provide optimized, true-color imagery, making them ideal for visual display and interpretation.

Urban

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World Settlement Footprint

The World Settlement Footprint WSF is a 10m-resolution binary mask outlining the extent of human settlements globally for the years 2015 and 2019 based on multiple datasets, and the World Settlement Footprint Evolution shows the annual growth of human settlements globally at 30m-resolution.

Vegetation

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Global Mangrove Watch

Global Mangrove Watch global baseline map of mangroves for 2010 and change maps for 1996, 2007, 2008, 2009, 2015 - 2020.

Soil

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iSDA soil variables at 30 m resolution.

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Global Root-zone moisture Analysis & Forecasting System (GRAFS)

Global Root-zone moisture Analysis & Forecasting System (GRAFS) by the ANU Centre for Water and Landscape Dynamics.

About the data

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Landsat Collection 2 tiers

How Landsat Collection 2 data tiers are used in Digital Earth Africa.

If you have any feedback for the DE Africa data and services, please contact us at helpdesk@digitalearthafrica.org.