Cited by 432Fire effects on ecosystemsRangeland and Wildlife ManagementHydrology and Drought Analysis

Relationships between climate and macroscale area burned in the western United States

Abatzoglou, John T., Kolden, Crystal A.·2013·International Journal of Wildland Fire

Abstract

Increased wildfire activity (e.g. number of starts, area burned, fire behaviour) across the western United States in recent decades has heightened interest in resolving climate–fire relationships. Macroscale climate–fire relationships were examined in forested and non-forested lands for eight Geographic Area Coordination Centers in the western United States, using area burned derived from the Monitoring Trends in Burn Severity dataset (1984–2010). Fire-specific biophysical variables including fire danger and water balance metrics were considered in addition to standard climate variables of monthly temperature, precipitation and drought indices to explicitly determine their optimal capacity to explain interannual variability in area burned. Biophysical variables tied to the depletion of fuel and soil moisture and prolonged periods of elevated fire-danger had stronger correlations to area burned than standard variables antecedent to or during the fire season, particularly in forested systems. Antecedent climate–fire relationships exhibited inter-region commonality with area burned in forested lands correlated with winter snow water equivalent and emergent drought in late spring. Area burned in non-forested lands correlated with moisture availability in the growing season preceding the fire year. Despite differences in the role of antecedent climate in preconditioning fuels, synchronous regional fire activity in forested and non-forested lands suggests that atmospheric conditions during the fire season unify fire activity and can compound or supersede antecedent climatic stressors. Collectively, climate–fire relationships viewed through the lens of biophysical variables provide a more direct link to fuel flammability and wildfire activity than standard climate variables, thereby narrowing the gap in incorporating top-down climatic factors between empirical and process-based fire models.

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Crossref · 10.1071/wf13019

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58 of 58 references verified0 citation errors · 0 not checkable

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  • Biome-level wildfire potential is more appropriately associated with fire danger indices, which are representative of daily synoptic weather patterns.

    “Landscape-scale fire behaviour is determined by local weather conditions, but biome-level wildfire potential is more appropriately associated with fire danger indices, which are representative of daily synoptic weather patterns11.”

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Authors
Abatzoglou, J. T., & Kolden, C. A.
Affiliations
University of Idaho (US)
Corresponding author
Abatzoglou, John T.
Venue
International Journal of Wildland Fire
Published
2013-07-25
Volume
22
Issue
7
Pages
1003-1020
ISSN
  • 1049-8001 (ISSN-L)
  • 1448-5516
OpenAlex
W2046463643
Cited by
432
References
58
Citations by year
2026: 34 · 2025: 37 · 2024: 44 · 2023: 41 · 2022: 44 · 2021: 36 · 2020: 39 · 2019: 18 · 2018: 39 · 2017: 27 · 2016: 29 · 2015: 22 · 2014: 20 · 2013: 1
FWCI
18.31
Type
journal article
Language
en
Open access
closed
Locations
International Journal of Wildland Fire (publishedVersion)
Funders
  • National Science Foundation
  • Joint Fire Science Program
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
  • Physical Sciences › Environmental Science › Ecology › Rangeland and Wildlife Management
  • Physical Sciences › Environmental Science › Global and Planetary Change › Hydrology and Drought Analysis
Keywords
fire-climate relationships, fire danger, water balance, snow water equivalent, drought, soil moisture, fuel depletion, interannual variability, fire behavior

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