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- Publisher Website: 10.1029/2020JG005786
- Scopus: eid_2-s2.0-85101770126
- WOS: WOS:000624413700006
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Article: Climate, Fuel, and Land Use Shaped the Spatial Pattern of Wildfire in California’s Sierra Nevada
Title | Climate, Fuel, and Land Use Shaped the Spatial Pattern of Wildfire in California’s Sierra Nevada |
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Authors | |
Keywords | fire drought maximum entropy model fire management wildland-urban interface (WUI) |
Issue Date | 2021 |
Citation | Journal of Geophysical Research: Biogeosciences, 2021, v. 126, n. 2, article no. e2020JG005786 How to Cite? |
Abstract | California’s Sierra Nevada has experienced a large increase in wildfire activities over recent decades. This intensifying fire regime has coincided with a warming climate and increasing human activity, but the relative importance of the biophysical and anthropogenic drivers of wildfire remains unclear across this diverse landscape, especially at a finer spatial scale. We used multisource geospatial data sets of fire occurrence, and human, climatic, and biophysical variables to examine the spatial pattern and controls on Sierra Nevada wildfires averaged from 1984 to 2017. The maximum entropy model driven by both biophysical and anthropogenic variables predicted the spatial distribution of fire probability well, with an area under the curve (AUC) score of 0.81. Model diagnostics revealed that aspects of the climate, including vapor pressure deficit (VPD), temperature, and burning index (difficulty of control), dominated the spatial patterns of fire probability across the whole Sierra Nevada region. The VPD was the leading control, with a relative contribution of 32.1%. Population density and fuel amount were also significant drivers, each accounting for 15.8%–12.4% of relative contribution. VPD and burning index were the most important factors for fire probability in higher elevation forest, while population density was comparatively more important in the lower elevation forest regions of the Sierra Nevada. Our findings improved our understanding of the relative importance of various factors in shaping the spatial patterns of historical fire probability in the Sierra Nevada and across various subecoregions, providing insights for targeting spatially varying forest management strategies to limit potential future increases in wildfires. |
Persistent Identifier | http://hdl.handle.net/10722/299626 |
ISSN | 2023 Impact Factor: 3.7 2023 SCImago Journal Rankings: 1.459 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Chen, Bin | - |
dc.contributor.author | Jin, Yufang | - |
dc.contributor.author | Scaduto, Erica | - |
dc.contributor.author | Moritz, Max A. | - |
dc.contributor.author | Goulden, Michael L. | - |
dc.contributor.author | Randerson, James T. | - |
dc.date.accessioned | 2021-05-21T03:34:49Z | - |
dc.date.available | 2021-05-21T03:34:49Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | Journal of Geophysical Research: Biogeosciences, 2021, v. 126, n. 2, article no. e2020JG005786 | - |
dc.identifier.issn | 2169-8953 | - |
dc.identifier.uri | http://hdl.handle.net/10722/299626 | - |
dc.description.abstract | California’s Sierra Nevada has experienced a large increase in wildfire activities over recent decades. This intensifying fire regime has coincided with a warming climate and increasing human activity, but the relative importance of the biophysical and anthropogenic drivers of wildfire remains unclear across this diverse landscape, especially at a finer spatial scale. We used multisource geospatial data sets of fire occurrence, and human, climatic, and biophysical variables to examine the spatial pattern and controls on Sierra Nevada wildfires averaged from 1984 to 2017. The maximum entropy model driven by both biophysical and anthropogenic variables predicted the spatial distribution of fire probability well, with an area under the curve (AUC) score of 0.81. Model diagnostics revealed that aspects of the climate, including vapor pressure deficit (VPD), temperature, and burning index (difficulty of control), dominated the spatial patterns of fire probability across the whole Sierra Nevada region. The VPD was the leading control, with a relative contribution of 32.1%. Population density and fuel amount were also significant drivers, each accounting for 15.8%–12.4% of relative contribution. VPD and burning index were the most important factors for fire probability in higher elevation forest, while population density was comparatively more important in the lower elevation forest regions of the Sierra Nevada. Our findings improved our understanding of the relative importance of various factors in shaping the spatial patterns of historical fire probability in the Sierra Nevada and across various subecoregions, providing insights for targeting spatially varying forest management strategies to limit potential future increases in wildfires. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Geophysical Research: Biogeosciences | - |
dc.subject | fire | - |
dc.subject | drought | - |
dc.subject | maximum entropy model | - |
dc.subject | fire management | - |
dc.subject | wildland-urban interface (WUI) | - |
dc.title | Climate, Fuel, and Land Use Shaped the Spatial Pattern of Wildfire in California’s Sierra Nevada | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1029/2020JG005786 | - |
dc.identifier.scopus | eid_2-s2.0-85101770126 | - |
dc.identifier.volume | 126 | - |
dc.identifier.issue | 2 | - |
dc.identifier.spage | article no. e2020JG005786 | - |
dc.identifier.epage | article no. e2020JG005786 | - |
dc.identifier.eissn | 2169-8961 | - |
dc.identifier.isi | WOS:000624413700006 | - |