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The Era of Megafires


Big Pivots
The East Troublesome Fire photographed on Oct. 20, 2020 by Brad White, fire chief of the Grand Fire Protection District in Granby.
Colorado’s scariest wildfire in 2020 was not its largest. East Troublesome shocked because of its sprint and then its leap. It grew by 87,000 acres in a fiery dash across the headwaters of the Colorado River and past Grand Lake, most of that in just a couple hours. Smoke plumes rose 40,000 feet. The winds, variously estimated at 50 to 100 mph, were strong enough to bend over lodgepole pines.
Then embers vaulted across two miles of treeless tundra at the Continental Divide, raining into the Estes Valley, at the eastern gate to Rocky Mountain National Park. ....

United States , High Park , New York , Grand Lake , Medicine Bow , Fort Collins , Cameron Peak , Red Feather Lakes , Glenwood Canyon , Williams Fork , San Diego , Glen Canyon Dam , Steamboat Springs , Glenwood Springs , South Carolina , Storm King Mountain , Roosevelt National Forest , Lake Powell , Lake Basin , University Of Arizona , Sylvan Lake , Estes Park , Front Range , Colorado State University , Vail Pass , El Jebel ,

Frontiers | A Disrupted Historical Fire Regime in Central British Columbia


Department of Forest and Conservation Sciences, Faculty of Forestry, University of British Columbia, Vancouver, BC, Canada
In the 2017 and 2018, 2.55 million hectares burned across British Columbia, Canada, including unanticipated large and high-severity fires in many dry forests. To transform forest and fire management to achieve resilience to future megafires requires improved understanding historical fire frequency, severity, and spatial patterns. Our dendroecological reconstructions of 35 plots in a 161-hectare study area in a dry Douglas-fir forest revealed historical fires that burned at a wide range of frequencies and severities at both the plot- and study-area scales. The 23 fires between 1619 and 1943 burned at intervals of 10–30 years, primarily at low- to moderate-severity that scarred trees but generated few cohorts. In contrast, current fire-free intervals of 70–180 years exceed historical maximum intervals. Of the six widespread fires from 1790 to 1905, the 1 ....

United Kingdom , Greenwood Village , United States , British Columbia , New Mexico , Williams Lake , Jasper National Park , New Zealand , Oregon State University , Washington State University , Redwood National Park , Cdendro Larsson , Yocom Kent , Klamath Siskiyou Ecoregion , Coorecorder Larsson , B Hughes Pullman , Secwepemc Shuswap , Ecological Restoration Institute , Burn Plan Framework Development , Laboratory Of Tree , Canadian Institute Of Forestry , Coorecorder Program , University Of British Columbia , Alex Fraser Research Forest , Forest Research Program , Qelmucw Northern Shuswap Tribal Council ,