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| | | | | | | ESA global land cover map available online
19 December 2008
ESA’s global land cover map, which is ten times sharper than any previous global satellite map, is now available to the public online from the GlobCover website. It is the highest resolution land cover map that has been completely validated ever released.
Sixteen experts validated the map using more than 3 000 reference land cover points and showed it had an overall accuracy of 73% weighted by area for its 22 land cover classes. The map’s legend was developed using the United Nation Food and Agriculture Organisation’s (FAO) Land Cover Classification System (LCCS).
| | | GlobCover legend |
The map was generated using 19 months worth of data from Envisat’s Medium Resolution Imaging Spectrometer (MERIS) instrument working in Full Resolution Mode to provide a spatial resolution of 300 m. Data were collected between December 2004 and June 2006.
A consortium of specialists worked to process the map, including Medias France, Germany’s Brockmann Consult and Belgium’s Université catholique de Louvain.
These data are useful for many applications, including modelling climate change extent and impacts, conserving biodiversity and managing natural resources. The map has been downloaded by more than 4 000 people since October 2008.
| | Global validation points | |
The GlobCover project is part of ESA’s Earth Observation Data User Element (DUE). An international network of partners has worked with ESA on the project, including the United Nations Environment Programme (UNEP), FAO, the European Commission's Joint Research Centre (JRC), the European Environmental Agency (EEA), the International Geosphere-Biosphere Programme (IGBP) and the Global Observations of Forest Cover and Global Observations of Land Dynamics (GOFC-GOLD) Implementation Team Project Office.
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| | Related news New portrait of Earth shows land cover as never beforeESA presents the sharpest ever satellite map of EarthEnvisat making sharpest ever global Earth mapRelated missions Envisat overviewIn depth Data User ElementGlobCoverRelated links European Environment Agency (EEA)Food and Agriculture Organisation (FAO)GOFC-GOLDInternational Geosphere-Biosphere Programme (IGBP)Joint Research CentreMedias France/PostelUnited Nations Environment Programme (UNEP)
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