Africaoverview of the GLC2000 activities

Africaoverview of the GLC2000 activities

Philippe Mayaux & Michel Massart

Institute for Environment and Sustainability, EC Joint Research Centre, Italy

 

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)

Monthly max NDVI and min NDWIMonthly max NDVI and min NDWI

August – April - January

The Africa windowThe Africa window

Some detailsSome details

Global land-cover mapsGlobal land-cover maps

IGBP DIS-Cover University of Maryland

GLC 2000VGT colour composite

The locust windowThe locust window

FAO / JRC

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

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

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

Eastern AfricaEastern Africa

• FAO-AFRICOVER• Validation• LCCS

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

MadagascarMadagascar

• UNEP – GRID

• Validation

The situationThe situation