What Satellite Imagery Tells Us About the Amazon Rain Forest Fires

Scientists studying satellite image data from the fires in the Amazon rain forest said that most of the fires are burning on agricultural land where the forest had already been cleared.
Image result for brazilian rainforest burning

Most of the fires were likely set by farmers preparing the land for next year’s planting, a common agricultural practice, said the scientists from the University of Maryland.

Satellite images like the one below show smoke plumes from fires emanating from agricultural areas.

Maxar Technologies

The majority of the agricultural land currently in use in Brazil’s Amazon region was created through years of deforestation.

“Most of this is land use that have replaced rain forest,” said Matthew Hansen, who is a co-leader of the Global Land Analysis and Discovery laboratory at the University of Maryland.

“Brazil has turned certain states like Mato Grosso into Iowa,” said Mr. Hanson, referring to the Brazilian state on the southern edge of the Amazon region. “You’ve got rain forest, and then there’s just an ocean of soybean.”

The grid of maps show the month-by-month pattern of fires across the Amazon rain forest in Brazil each year since 2001. The increase in fires every August to October coincides with the season when farmers begin planting soybean and corn.

These maps were created using current and historical data from two NASA satellites, Terra and Aqua, which can detect the infrared radiation emitted by fires.

Comparing the area that burned in August this year to an average of the areas burned during the same month in the previous five years illustrate part of the reason why this year’s fires have garnered so much attention.

Scientists at Brazil’s National Institute of Space Research calculated that there were 35 percent more fires so far this year than in the average of the last eight years. MORE


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