Catalogue de données¶
Digital Earth Africa héberge un référentiel de données d’observation de la Terre couvrant l’Afrique continentale.
Images satellites¶
Réflexion de la surface¶
Réflectance de surface de la collection Landsat 2 niveau 2
Daily satellite images from Landsat 5, 7, 8 and 9.
Température de surface¶
Température de surface du niveau 2 de la collection Landsat
Surface Temperature from Landsat 5, 7, 8 and 9.
Rétrodiffusion radar¶
Mosaïque annuelle du SAR ALOS PALSAR, ALOS-2 PALSAR-2 et JERS-1
Mosaïques annuelles du radar à ouverture synthétique de la JAXA.
Terre et eau¶
Observations de l’eau depuis l’espace
Observations individuelles, annuelles et historiques de l’eau.
Végétation verte, végétation non verte et sol nu pour chaque image Landsat.
Normalised Difference Vegetation Index (NDVI) Climatology
Long-term average vegetation condition (NDVI) for every Landsat pixel over the African continent.
Monthly Normalised Difference Vegetation Index (NDVI) Anomaly
Monthly mapping of vegetation condition against the long-term baseline.
Daily and monthly rainfall estimates from rain gauge and satellite observations.
Copernicus Global Land Service Global Land Cover at 100m spatial resolution
Copernicus Global Land Service annual land cover layers at 100 m spatial resolution.
ESA Climate Change Initiative Land Cover at 300m spatial resolution
ESA Climate Change Initiative Land Cover at 300 m resolution.
Global Mangrove Watch global baseline map of mangroves for 2010 and change maps for 1996, 2007, 2008, 2009, 2015 and 2016.
The World Settlement Footprint WSF is a 10m resolution binary maskoutlining the extent of human settlements globally for the year 2015 and 2019 based on multiple datasets.
Coastal¶
DE Africa Coastlines: A Coastline Monitoring Service
Annual shorelines and rates of coastal change along the entire African coastline at a 30 m resolution from 2000 to 2021.
Elevation¶
Corpenicus Digital Elevation Model with limited worldwide coverage at 30 metres and global coverage at 90 metres spatial resolution.
NASA version 3.0 Shuttle Radar Topography Mission (SRTM) global 1 arc second (~30 metre) DEM and Digital Earth Africa SRTM DEM Derivatives.
External Datasets¶
ERA5 global climate reanalysis product by the Copernicus Climate Change Service (C3S) at the ECMWF.
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¶
How Landsat Collection 2 data tiers are used in Digital Earth Africa.
Si vous avez des commentaires sur les données et les services de DE Africa, veuillez nous contacter à l’adresse helpdesk@digitalearthafrica.org.