Climate Change

Published on June 10th, 2013 | by James Ayre

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Amazon Forest Facing Devastating 2013 Fire Season, NASA Predicts

June 10th, 2013 by

The 2013 Amazon forest fire season is shaping up to be a devastating one according to researchers from NASA and the University of California, Irvine. Their predictions warn of a 2013 fire season that will be considerably more severe than either the 2012 or 2011 seasons were, for many of the forests of the Amazon.

Image Credit: Doug Morten

Image Credit: Doug Morten

The predictions for 2013 are based on a relatively new fire severity model, one which produced an accurate first forecast in 2012. The model is based — primarily — on a synthesis of historical fire data from NASA’s Terra satellite and sea surface temperature data gathered by NOAA. Previous work has shown that “sea surface temperatures in the tropical Pacific and Atlantic oceans can be used to forecast the pending Amazon fire season severity three to six months prior to the onset of the dry season.”


NASA continues:

As of March 2013, surface waters of the tropical north Atlantic Ocean remained warmer than average, while Pacific Ocean temperatures declined from a peak in late fall. These conditions are consistent with increased fire risk across the southern portion of the Amazon later this summer and early fall.

Brazil’s key fire states, Mato Grosso and Pará, account for the majority of all burning activity in the Amazon region. For the 2013 season, the model shows that fire activity in these two states is projected to be above average compared to 2001-2012. Other important burning regions in the southern Amazon, such as the Brazilian states of Rondônia and Acre, and the Bolivian departments of Santa Cruz and Pando, are also projected to have average or above-average fire activity in 2013.

“The confluence of climate and people in these areas increases the risk of widespread fire activity when the fire season severity is elevated,” said Doug Morton of NASA’s Goddard Space Flight Center in Greenbelt, Md., who works with Jim Randerson and other researchers on the forecast.

This is in stark contrast to 2012, when climate conditions were much less favorable for forest fires. Sea surface temperatures in the Central Pacific and North Atlantic were cooler than normal, which lead to increased rainfall across the southern Amazon in the months preceding the fire season. The opposite occurred in 1997 and 1998, when warm surface waters in the Pacific Ocean brought about by El Niño pushed rainfall systems north, leaving parts of the southern and eastern Amazon forest dry and prone to fires.”

“The 1997-98 El Niño was one of the most important fire years, and put fire on everyone’s map for the potential impacts of deforestation and tropical forest degradation from human activities,” said Morton. That was the season that motivated Randerson and his fellow researchers to begin research on the global impact of forest fires and their emissions. “Motivated by subsequent high-fire years in 2005, 2007 and 2010, the team next developed the fire season severity model. With support from the Gordon and Betty Moore Foundation, Randerson, Morton and colleagues plan to continue making the forecasts over the next five years.”

Earlier this year, Morton met with ministers in Brazil and Peru with the aim of examining possible uses for the model with regards to the forecasting information used by the area’s forest managers.

“Since 2005, the Amazon region has experienced alternating wet and dry years, with high fire years followed by flood conditions,” Morton said. “With this forecasting system we’re hoping to build some advanced warning about whether the Amazon region is facing a fire year or a flood year. This year, plan for fires.”

It’ll be interesting to see how the new model will perform this year. If it proves itself reliable it will no doubt be a useful tool.

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About the Author

's background is predominantly in geopolitics and history, but he has an obsessive interest in pretty much everything. After an early life spent in the Imperial Free City of Dortmund, James followed the river Ruhr to Cofbuokheim, where he attended the University of Astnide. And where he also briefly considered entering the coal mining business. He currently writes for a living, on a broad variety of subjects, ranging from science, to politics, to military history, to renewable energy. You can follow his work on Google+.



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