NASA MODIS Image of the day
Agriculture Burning in Brazil
Agriculture Burning in Brazil
September 20, 2018

On September 19, 2018, the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA’s Terra satellite flew over Brazil and acquired a true-color image of several fires burning across the region.

Each red hot spot marks an area where the thermal bands on the instrument detected high temperatures. When combined with typical smoke – as in this image – such hot spots are diagnostic for actively burning fire.

The light brown areas are fields that are used for agriculture and the sharp, clean lines between the field and surrounding vegetation also marks the areas as man-made rather than natural. The fires sit on the edge of the fields and the forested areas, marking them as agricultural fires – ones deliberately set to open new land for crops, to clear debris from old vegetation, to renew pasture, or for a number of other management practices.

Image Facts
Satellite: Terra
Date Acquired: 9/16/2018
Resolutions: 1km (107.5 KB), 500m (263.4 KB), 250m (198.4 KB)
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC
 Courtesy of NASA MODIS Website

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