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Drivers and Impacts of the Record-Breaking 2023 Wildfire Season in Canada.
Jain, Piyush; Barber, Quinn E; Taylor, Stephen W; Whitman, Ellen; Castellanos Acuna, Dante; Boulanger, Yan; Chavardès, Raphaël D; Chen, Jack; Englefield, Peter; Flannigan, Mike; Girardin, Martin P; Hanes, Chelene C; Little, John; Morrison, Kimberly; Skakun, Rob S; Thompson, Dan K; Wang, Xianli; Parisien, Marc-André.
Afiliação
  • Jain P; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada. piyush.jain@nrcan-rncan.gc.ca.
  • Barber QE; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada.
  • Taylor SW; Pacific Forestry Centre, Canadian Forest Service, Natural Resources Canada, Victoria, BC, V8Z 1M5, Canada.
  • Whitman E; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada.
  • Castellanos Acuna D; Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2H1, Canada.
  • Boulanger Y; Natural Resource Science, Thompson Rivers University, Kamloops, BC, V2C 0C8, Canada.
  • Chavardès RD; Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, 1055 du P.E.P.S., Stn. Sainte-Foy, QC, G1V 4C7, Canada.
  • Chen J; Atlantic Forestry Centre, Canadian Forest Service, Natural Resources Canada, Fredericton, NB, E3B 5P7, Canada.
  • Englefield P; Air Quality Research Division, Atmospheric Science and Technology Directorate, Environment and Climate Change Canada, Ottawa, ON, K1V 1C7, Canada.
  • Flannigan M; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada.
  • Girardin MP; Natural Resource Science, Thompson Rivers University, Kamloops, BC, V2C 0C8, Canada.
  • Hanes CC; Laurentian Forestry Centre, Canadian Forest Service, Natural Resources Canada, 1055 du P.E.P.S., Stn. Sainte-Foy, QC, G1V 4C7, Canada.
  • Little J; Great Lakes Forestry Centre, Canadian Forest Service, Natural Resources Canada, Sault Ste. Marie, ON, P6A 2E5, Canada.
  • Morrison K; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada.
  • Skakun RS; Pacific Forestry Centre, Canadian Forest Service, Natural Resources Canada, Victoria, BC, V8Z 1M5, Canada.
  • Thompson DK; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada.
  • Wang X; Great Lakes Forestry Centre, Canadian Forest Service, Natural Resources Canada, Sault Ste. Marie, ON, P6A 2E5, Canada.
  • Parisien MA; Northern Forestry Centre, Canadian Forest Service, Natural Resources Canada, Edmonton, AB, T6H 3S5, Canada.
Nat Commun ; 15(1): 6764, 2024 Aug 20.
Article em En | MEDLINE | ID: mdl-39164286
ABSTRACT
The 2023 wildfire season in Canada was unprecedented in its scale and intensity, spanning from mid-April to late October and across much of the forested regions of Canada. Here, we summarize the main causes and impacts of this exceptional season. The record-breaking total area burned (~15 Mha) can be attributed to several environmental factors that converged early in the season early snowmelt, multiannual drought conditions in western Canada, and the rapid transition to drought in eastern Canada. Anthropogenic climate change enabled sustained extreme fire weather conditions, as the mean May-October temperature over Canada in 2023 was 2.2 °C warmer than the 1991-2020 average. The impacts were profound with more than 200 communities evacuated, millions exposed to hazardous air quality from smoke, and unmatched demands on fire-fighting resources. The 2023 wildfire season in Canada not only set new records, but highlights the increasing challenges posed by wildfires in Canada.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Nat Commun Ano de publicação: 2024 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Nat Commun Ano de publicação: 2024 Tipo de documento: Article