africa overview of the glc2000 activities philippe mayaux & michel massart institute for...
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![Page 1: Africa overview of the GLC2000 activities Philippe Mayaux & Michel Massart Institute for Environment and Sustainability, EC Joint Research Centre, Italy](https://reader035.vdocuments.net/reader035/viewer/2022062300/56649d995503460f94a83727/html5/thumbnails/1.jpg)
Africaoverview of the GLC2000 activities
Africaoverview of the GLC2000 activities
Philippe Mayaux & Michel Massart
Institute for Environment and Sustainability, EC Joint Research Centre, Italy
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The overall contextThe 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 no overlap with other windows
• 1 continental window (baseline map) + regional windows (improvements)
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Monthly max NDVI and min NDWIMonthly max NDVI and min NDWI
August – April - January
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The Africa windowThe Africa window
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Some detailsSome details
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Global land-cover mapsGlobal land-cover maps
IGBP DIS-Cover University of Maryland
GLC 2000VGT colour composite
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The locust windowThe locust window
FAO / JRC
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The CILSS windowThe 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
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The Central Africa windowThe Central Africa window
• JRC (M. Massart)
• Focus on rain forests
• Cloud-cover (in coastal part)
• Mosaic of single-date classifications in evergreen regions
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The Great Lakes windowThe 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
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Eastern AfricaEastern Africa
• FAO-AFRICOVER• Validation• LCCS
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The Southern Africa windowThe 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
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MadagascarMadagascar
• UNEP – GRID
• Validation
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The situationThe situation