Study: Since 2005, Fire Frequency Doubled In Eastern, Western US; Quadrupled In Great Plains States
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In the journal Science Advances, a team of environmental scientists found that fire frequency has tripled in some parts of the United States and that in the 2000s, wildfires grew up to four times the size of fires in previous decades. The scientists studied data from Monitoring Trends in Burn Severity, a federal interagency program that tracks burn severity over time in the United States. The data spans from 1984 to 2018 and covers more than 28,000 fires over 1,000 acres in size in the West and 500 acres in size in the East.
Since 2005, the analysis shows, fire frequency grew nationwide. In the East and West, fires became twice as frequent, and they became four times as frequent in the Great Plains. As frequency grew, so did acreage, with the average size ballooning. In 2018, 2½ times more acreage was destroyed in the West each year compared with the previous two decades. The number rose 178 percent in the East.
These fires were different from earlier ones: They were bigger and were more likely to occur together. And the regions susceptible to fire grew along with fire frequency.
The team attributes the change to drought, but humans are also to blame: Human-caused climate change has dried out many areas, and 84 percent of the fires were started by humans and not other factors such as lightning strikes.
EDIT
https://www.washingtonpost.com/science/2022/03/27/wildfires-increasing-frequency-climate-change/