California's record wildfires may have been spurred on by millions of hidden dead trees, according to a new study.Scientists from the University of Copenhagen studied the 2020 wildfires, applying artificial intelligence to aerial photos to create a data set of trees across the state.They discovered that individual and clustered tree death was widespread among living trees. This presents a brand new explanation for the severe wildfire season, published in Nature Communications.
''This makes it reasonable to speculate that such scattered enclaves of dead dry trees could have acted as kindling between living trees, affecting the intensity and spreading of the wildfires. This new knowledge is interesting both as a possible part of the explanation for California's violent wildfires, but also very much for our attempts at understanding the phenomenon of tree death more generally,' Horion said.
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