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Mega Forest Fires Intensify Flood Magnitudes in Southeast Australia

文献类型：期刊论文

作者Xu, Zhenwu1; Zhang, Yongqiang; Bloeschl, Guenter2; Piao, Shilong3
刊名GEOPHYSICAL RESEARCH LETTERS
出版日期2023-06-28
卷号50期号:12页码:e2023GL103812
ISSN号0094-8276
DOI10.1029/2023GL103812
产权排序1
文献子类Article
英文摘要Recent forest fires potentially intensify flood hazards. However, forest fire amplification of floods is not well understood at a large scale due to the complex compound impacts of forest fires and climate variability, while available small-scale cases may not represent regional changes. Here, we show that the 2019-2020 mega forest fires in southeast Australia, with unprecedented burned areas, significantly (p < 0.05) increased the peak discharges of floods during the 2 years after the fires. Spatially, fire impacts on these floods are much stronger in regions with winter-dominated and uniform rainfall but insignificant in regions with summer-dominated rainfall. The regional divergence reveals that burned areas can aggravate floods by exacerbating infiltration-excess runoff processes but may not exert significant effects where saturation-excess processes dominate. People may be increasingly exposed to such flood hazards, especially in regions where forest fires have become more frequent under climate change.
WOS关键词WATER REPELLENCY ; PAIRED CATCHMENT ; FREQUENCY ; INFILTRATION ; CONSTRUCT ; EVENTS ; RUNOFF
WOS研究方向Geology
WOS记录号WOS:001022457100001
出版者AMER GEOPHYSICAL UNION
源URL[http://ir.igsnrr.ac.cn/handle/311030/194367]  
专题陆地水循环及地表过程院重点实验室_外文论文
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China
2.Univ Chinese Acad Sci, Beijing, Peoples R China
3.Tech Univ Wien, Inst Hydraul & Water Resources Engn, Vienna, Austria
4.Chinese Acad Sci, Inst Tibetan Plateau Res, State Key Lab Tibetan Plateau Earth Syst Resources, Beijing, Peoples R China
推荐引用方式
GB/T 7714		 Xu, Zhenwu,Zhang, Yongqiang,Bloeschl, Guenter,et al. Mega Forest Fires Intensify Flood Magnitudes in Southeast Australia[J]. GEOPHYSICAL RESEARCH LETTERS,2023,50(12):e2023GL103812.
APA Xu, Zhenwu,Zhang, Yongqiang,Bloeschl, Guenter,&Piao, Shilong.(2023).Mega Forest Fires Intensify Flood Magnitudes in Southeast Australia.GEOPHYSICAL RESEARCH LETTERS,50(12),e2023GL103812.
MLA Xu, Zhenwu,et al."Mega Forest Fires Intensify Flood Magnitudes in Southeast Australia".GEOPHYSICAL RESEARCH LETTERS 50.12(2023):e2023GL103812.

入库方式： OAI收割

来源：地理科学与资源研究所

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