GFMC: Brazil
Firesin Brazil and Bolivia
15 September 2004
Latest Satellite Scenes from MODIS: Fires Near Bolivia-Brazil Border
Aqua Satellite
13 / 14 September 2004
Biomass burning along the border between Bolivia (left) and Brazil (top and right) has been intense and widespread for more than two months. This true-color image acquired on September 13, 2004, by the Moderate Resolution Imaging Spectroradiometer (MODIS), aboard NASAs Terra satellite, shows a large number of fires (red dots) are still burning, producing a thick pall of smoke that obscures the landscape over much of central South America.
Such large-scale burning in the Amazon Rainforest is not a natural occurrence, and the forest is not well adapted to fire, unlike the pine- and fir-dominated forests of the western United States. As people use slash-and-burn deforestation to create new farmland, the impacts are felt far beyond the location of the fire. The smoke inhibits cloud formation and rainfall, and causes the rain that does fall to come down in heavier outbursts. Fires escape control and invade managed timber plantations, undisturbed forest, and permanent agriculture. Source: http://earthobservatory.nasa.gov/
Biomass burning along the border between Bolivia (left) and Brazil (top and right) has been intense and widespread for more than two months. This true-color image acquired on September 14, 2004, by the Moderate Resolution Imaging Spectroradiometer (MODIS), aboard NASAs Aqua satellite, shows a large number of fires (red dots) are still burning, producing a thick pall of smoke that obscures the landscape over much of central South America.
Such large-scale burning in the Amazon Rainforest is not a natural occurrence, and the forest is not well adapted to fire, unlike the pine- and fir-dominated forests of the western United States. As people use slash-and-burn deforestation to create new farmland, the impacts are felt far beyond the location of the fire. The smoke inhibits cloud formation and rainfall, and causes the rain that does fall to come down in heavier outbursts. Fires escape control and invade managed timber plantations, undisturbed forest, and permanent agriculture.
NASA image by Jesse Allen, Earth Observatory, using data courtesy the MODIS Rapid Response Team
(Images based on data from the MODIS Rapid Response Team, NASA-GSFC)
Carbon Monoxide over South America
Slash-and-burn agriculture converting forest to farm land may pose the biggest threat to the Amazon ecosystem. Fires are numerous and widespread along the margin of the Amazon Rainforest during the height of the dry season, which occurs around the months June to August. The intense burning produces a large amount of carbon monoxide (CO) that is detected by the Measurements of Pollution in the Troposphere (MOPITT) instrument onboard NASAs Terra.
The above image shows the CO mixing ratio over South America in the middle of Earths lower level of atmosphere (or troposphere at about 500 millibars), measured by MOPITT during the period from September 1-10, 2004. Red and yellow colors indicate the high levels of CO originating from the fires in the region and low CO concentrations are denoted in blue shades. Gray areas indicate missing data due to prevailing cloudy conditions.
The image above correlates very well with Terra and Aqua MODIS images showing fires and smoke in South America during this same time period.
Source: http://earthobservatory.nasa.gov/
See the following media articles:
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Brazilian Amazon may become savanna: scientist (published by: TerraDaily, 28 July 2004)
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Amazon fires change weather, speed deforestation (published by: ENN, 28 July 2004)
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Amazon burning makes Brazil a leading polluter (published by: Planet Ark, 20 July 2004)
Maps with a summary of the occurence of vegetation fires in Brazil and in most of South America are prepared and released by CPTEC/INPE in the Internet soon after the overpasses of the NOAA-series meteorological satellites, whose AVHRR images are used in the detection. Source: http://www.cptec.inpe.br/products/queimadas/
Each red dot in the map shows a pixel with temperatures of some hundred degrees C, normally associated only to active fires. The table on the right side of the map shows the total number of fire pixels dectected by state and by country, with the percentage corresponding to the cloud cover in each region, where the detection of fires was precluded.
Geographical coordinateos of all vegetation fires detected in the AVHRR/NOAA images are available at CPTEC/INPE, and are distributed in near-real-time to registered users. Furhter information can be obtained with aless@cptec.inpe.br, or in the phone number ++55(12)560-9261.
For more information, also in portugese, see the webpage: http://www.cptec.inpe.br/products/queimadas/info_mapa.htm
Additionally PROARCO (Programa de Prevenção e Controle de Queimadas e Incêndios Florestais na Amazônia Legal) is providing a daily update at: http://www2.ibama.gov.br/proarco/relatorio/boletimaml.doc. See the Boletim Diário de Monitoramento de Focos de Calor – Amazônia Legal, 03 August 2004.
For more details see daily fire situation updates of Brazil and neighbouring countries:
https://gfmc.online/current/archive/br/2001/10/br_10082001.htm
More information on Queimadas
http://www.ambientebrasil.com.br/composer.php3?base=./florestal/index.html&conteudo=./florestal/click/queimada.html
