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The team found that climate change increased burn probability and led to larger, more frequent fires in wetter areas while doing the opposite in more arid locations. In areas of intermediate soil moisture, the effects of climate change and fire suppression varied in response to local trade-offs between flammability and fuel loading.
The scientists were surprised that climate change could decrease the severity of fires under certain conditions, but Tague offers an explanation. “Climate change can reduce the growth and development of fuels, particularly in more arid sites,” she said.
These are crucial insights in our efforts to understand and manage wildfires.
The millions of people affected by 2020’s record-breaking and deadly fire season can attest to the fact that wildfire hazards are increasing across western North America. Both climate change and forest management have been blamed, but the relative influence of these drivers is still heavily debated. The results of a recent study show that in some ecosystems, human-caused
The unprecedented and deadly blazes that engulfed the American West in 2020 attest to the increasing number, size and severity of wildfires in the region. And while scientists predict the climate crisis will exacerbate this situation, there’s still much discussion around its contributing factors.
With this in mind, scientists at five western universities, including UC Santa Barbara, investigated the effects of human-driven climate change and more than a century of fire suppression, which has produced dense forests primed to burn. Their research, published in the journal Environmental Research Letters, confirms the importance of both factors in driving wildfires, but revealed that their influence varies, even within the same region of the Western U.S.
Researchers investigate complex factors that will fuel wildfires of 21st century miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
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IMAGE: A recent study shows that in some ecosystems, human-caused climate change is the predominant factor for wildfires; in other places, the trend can also be attributed to a century of. view more
Credit: Photo Courtesy University of Nevada, Reno
The millions of people affected by 2020 s record-breaking and deadly fires can attest to the fact that wildfire hazards are increasing across western North America.
Both climate change and forest management have been blamed, but the relative influence of these drivers is still heavily debated. The results of a recent study show that in some ecosystems, human-caused climate change is the predominant factor; in other places, the trend can also be attributed to a century of fire suppression that has produced dense, unhealthy forests.