August 20, 2022 - Fires in Brazil

Fires in Brazil
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Despite a canopy of heavy cloud and thick smoke, dozens of fires can be
seen burning in the forests of the states of Amazonas and Pará,
northern Brazil in mid-August 2022. The Moderate Resolution Imaging
Spectroradiometer (MODIS) on NASA’s Terra satellite acquired this
true-color image on August 17.

Each red “hot spot” is an area where the thermal bands on the
instrument detected high temperatures. When combined with typical
smoke, as in this image, these hot spots mark actively burning fire.
The largest cluster of fires, near the southeastern corner, appears to
follow along part of the Tapajós River. Some may burn in or near the
Tapajós Environmental Protection Area and Indigenous land. Another
large cluster sits at the southeastern (lower right) edge of the image.
Here the fires are located at forest edge. Other fires are scatted
across the image and, based on other images, even more fires are
obscured by the clouds.

While it is not possible to know the cause of a fire based on satellite
imagery alone, based on the location and time of year, it is very
likely that most of these fires are agricultural in origin. Such fires
are deliberately set and managed to ready land for planting or pasture,
burn waste left after timber cutting, or open new lands for use.
Slash-and-burn agriculture has been used by small farmers in
traditional land management, but it is also used by large farms and
corporations to clear large swaths of land and is a major cause of
deforestation in the Amazon rainforest. At times, small agricultural
fires can escape control and become large wildfires.

In 2021, Brazil was a signatory to COP26, a pledge by 110 world
leaders, to end deforestation by 2030. This follows two years of
increasing deforestation of the Amazon under Brazilian President Jair
Bolsonaro, with the rate in 2020 the highest in 12 years.
Unfortunately, the numbers of fires burning in Brazil’s Amazon reached
a 15-year high in June 2022, which flies in the face of the pledge to
preserve the forests. Fire season in Brazil typically peaks in August
and September.

Image Facts
Satellite: Terra
Date Acquired: 8/19/2022
Resolutions: 1km (460.3 KB), 500m (1.5 MB), 250m (4.6 MB)
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC



https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-08-20

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