Tropical Biomass Fires and Tropospheric Chemistry: Chemistry and Production of Smoke in Brazil (CAPOS-2004-BRASIL)
Paulo Artaxo USP - Universidade de Sao Paulo (SA-PI)
Airborne FTIR, PTR-MS, and PM instrumentation will be deployed on the INPE Bandeirante during August-September of 2004 for the first comprehensive measurements of the initial emissions from Brazilian fires. These fires should include well-characterized savanna fires (near Brasilia) carried out by the research group of H. Miranda and well-characterized deforestation fires (near Alta Floresta) carried out by the research group of J. Carvalho. The latter fires will feature time-resolved fuel consumption measurements coupled with ground-based and airborne emissions measurements to determine the contribution of residual smoldering combustion to overall emissions. The airborne component will also focus on time-resolved measurements of post-emission changes in the smoke chemistry due to photochemistry and cloud processing. In-plume OH may be measured. CO profiles will be measured during satellite overpasses and the potential value of acetonitrile as a tracer for Brazilian biomass burning will be investigated. If possible, we will measure trace gas and particle emissions from cooking fires and sugar cane fires.
Robert James Yokelson University of Montana (US-PI)