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Burned biomass, gas and aerosol emissions for the African continent were estimate using information on active fires whose spatial distribution was derived from NOAA-AVHRR HRPT (High Resolution Picture Transmission 1.1 km resolution) and GAC (Global Area Coverage 4.5 km resolution) imagery.

HRPT images were used for quantitative assessment purposes for the period November 1992-October 1993, while GAC images covering a four year period (November 1984-October 1988) provided information on seasonality and inter-annual variability of fire activity.

Above-ground biomass density, burning efficiently and emission factors for each vegetation type were retrieved from the literature. Based on these values, the total amount of CO2 estimated from biomass burning in 1992-3 was estimated at 608 Tg C. Results derived using the multi-annual data set of GAC data showed a high inter-annual variability for the estimates produced in the different ecosystems. ms.

Additional information

Authors: BRIVIO P A, Telerilevamento - IRSS, CNR, Milano (IT);STROPPIANA D, Global Vegetation Monitoring Unit, Space Applications Institute, Ispra (IT);GREGOIRE J M, Global Vegetation Monitoring Unit, Space Applications Institute, Ispra (IT)
Bibliographic Reference: Paper presented: Atti della 3 Conferenza Nazionale ASITA - Napoli (IT) 9-12 Novembre 1999
Availability: Available from the European Commission
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