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Africa overview of the GLC2000 activities. Philippe Mayaux & Michel Massart Institute for Environment and Sustainability, EC Joint Research Centre, Italy. The overall context. 30,000,000 km 2 From dry deserts to tropical rain forests
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Africaoverview of the GLC2000 activities Philippe Mayaux & Michel Massart Institute for Environment and Sustainability, EC Joint Research Centre, Italy
The overall context • 30,000,000 km2 • From dry deserts to tropical rain forests • Evergreen (forests, deserts) and seasonal (savannahs, grasslands) ecosystems • Permanent clouds in equatorial regions • Isolated continent Þ no overlap with other windows • 1 continental window (baseline map) + regional windows (improvements)
Monthly max NDVI and min NDWI August – April - January
IGBP DIS-Cover University of Maryland GLC 2000 VGT colour composite Global land-cover maps
The locust window FAO / JRC
The CILSS window • Centre AGRHYMET (Niger) and Université Catholique de Louvain (B) • Seasonality • Focus on validation techniques • 11 Sahelian countries • Centre de Suivi Ecologique (Senegal) involved in the validation process
The Central Africa window • JRC (M. Massart) • Focus on rain forests • Cloud-cover (in coastal part) • Mosaic of single-date classifications in evergreen regions
The Great Lakes window • Université Catholique de Louvain and Musée Royal d’Afrique Centrale (B) • Important region in terms of biodiversity (Albertine Rift) • Rain forests, miombo woodlands, grasslands, swamps, agriculture • Topography, cloud cover
Eastern Africa • FAO-AFRICOVER • Validation • LCCS
The Southern Africa window • Instituto Superior de Agronomia and Tropical Research Institute (Lisbon) • From miombo woodlands to Namibia deserts, seasonality • New composition techniques (image of May 2000) • Classification is coming • CSIR involved in the validation process
Madagascar • UNEP – GRID • Validation