The question that remained unanswered was whether this increase in fires in 2019-2020 was an exceptional case or a trend that will get worse as the Arctic warms.and led by Adrià Descals and Josep Peñuelas, both scientists from the Spanish Council for Scientific Research and from CREAF, shows that the increase in temperature is driving an exponential increase in fires in the Arctic.
The summer of 2020 was the warmest in four decades, and the large area burned between 2019 and 2020 was unprecedented, the authors explain. Approximately 4.7 million hectares burned between 2019 and 2020, resulting in total emissions of 412.7 million tonnes of COparallel north, more than 600 km north of the Arctic Circle, where fires are unusual and where winter ice was still visible at the time of burning,” explains Adrià Descals.
“The fact that there is more and earlier vegetation reduces the availability of water in the soil, and plants suffer greater water stress,” says Aleixandre Verger, a researcher at CSIC and CREAF.
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