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DOI10.1038/s41558-020-00920-8
Fuel availability not fire weather controls boreal wildfire severity and carbon emissions
Walker X.J.; Rogers B.M.; Veraverbeke S.; Johnstone J.F.; Baltzer J.L.; Barrett K.; Bourgeau-Chavez L.; Day N.J.; de Groot W.J.; Dieleman C.M.; Goetz S.; Hoy E.; Jenkins L.K.; Kane E.S.; Parisien M.-A.; Potter S.; Schuur E.A.G.; Turetsky M.; Whitman E.; Mack M.C.
发表日期2020
ISSN1758-678X
起始页码1130
结束页码1136
卷号10期号:12
英文摘要Carbon (C) emissions from wildfires are a key terrestrial–atmosphere interaction that influences global atmospheric composition and climate. Positive feedbacks between climate warming and boreal wildfires are predicted based on top-down controls of fire weather and climate, but C emissions from boreal fires may also depend on bottom-up controls of fuel availability related to edaphic controls and overstory tree composition. Here we synthesized data from 417 field sites spanning six ecoregions in the northwestern North American boreal forest and assessed the network of interactions among potential bottom-up and top-down drivers of C emissions. Our results indicate that C emissions are more strongly driven by fuel availability than by fire weather, highlighting the importance of fine-scale drainage conditions, overstory tree species composition and fuel accumulation rates for predicting total C emissions. By implication, climate change-induced modification of fuels needs to be considered for accurately predicting future C emissions from boreal wildfires. © 2020, The Author(s), under exclusive licence to Springer Nature Limited.
英文关键词air-soil interaction; boreal forest; carbon emission; climate change; overstory; severe weather; top-down approach; United Nations Framework Convention on Climate Change; wildfire; North America
语种英语
来源期刊Nature Climate Change
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/171625
作者单位Center for Ecosystem Science and Society, Northern Arizona University, Flagstaff, AZ, United States; Woodwell Climate Research Center, Falmouth, MA, United States; Faculty of Science, Earth and Climate, Vrije Universiteit Amsterdam, Amsterdam, Netherlands; Department of Biology, University of Saskatchewan, Saskatoon, SK, Canada; Institute of Arctic Biology, University of Alaska Fairbanks, Fairbanks, AK, United States; Biology Department, Wilfrid Laurier University, Waterloo, ON, Canada; School of Geography, Geology and Environment, University of Leicester, Leicester, United Kingdom; Michigan Tech Research Institute, Michigan Technological University, Ann Arbor, MI, United States; School of Science, Auckland University of Technology, Auckland, New Zealand; Great Lakes Forestry Center, Canadian Forest Service, Natural Resources Canada, Sault Ste. Marie, ON, Canada; Department of Integrative Biology, University of Guelph, Guelph, ON, Canada; School of Informatics, Computing and Cyber Systems (SICCS), Norther...
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Walker X.J.,Rogers B.M.,Veraverbeke S.,et al. Fuel availability not fire weather controls boreal wildfire severity and carbon emissions[J],2020,10(12).
APA Walker X.J..,Rogers B.M..,Veraverbeke S..,Johnstone J.F..,Baltzer J.L..,...&Mack M.C..(2020).Fuel availability not fire weather controls boreal wildfire severity and carbon emissions.Nature Climate Change,10(12).
MLA Walker X.J.,et al."Fuel availability not fire weather controls boreal wildfire severity and carbon emissions".Nature Climate Change 10.12(2020).
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