Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2021GL094908 |
Dominance of Wildfires Impact on Air Quality Exceedances during the 2020 Record-Breaking Wildfire Season in the United States | |
Yunyao Li; Daniel Tong; Siqi Ma; Xiaoyang Zhang; Shobha Kundragunta; Fangjun Li; Rick Saylor | |
2021-10-21 | |
发表期刊 | Geophysical Research Letters
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出版年 | 2021 |
英文摘要 | The western United States experienced a record-breaking wildfire season in 2020. This study quantifies the contribution of wildfire emissions to the exceedances of health-based National Ambient Air Quality Standard (NAAQS) for fine particles (PM2.5) by comparing two CMAQ simulations, with and without wildfire emissions. During August to October 2020, western wildfires contributed 23% of surface PM2.5 in the contiguous US (CONUS), with a larger contribution in Pacific Coast (43%) and Mountain Region (42%). Consequently, wildfires were the primary contributor to the 3,720 observed exceedances. The wildfire influence peaked on September 14th, 2020, when 273 exceedances were recorded and wildfire emissions contributed 41%, 81%, and 72% to surface PM2.5 concentrations in the CONUS, Pacific Coast, and Mountain Region, respectively. Our finding highlights the predominating influence of wildfires on air quality, and potentially human health, that is expected to grow with increasing fire activities, while anthropogenic emissions decrease. |
领域 | 气候变化 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/340767 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | Yunyao Li,Daniel Tong,Siqi Ma,et al. Dominance of Wildfires Impact on Air Quality Exceedances during the 2020 Record-Breaking Wildfire Season in the United States[J]. Geophysical Research Letters,2021. |
APA | Yunyao Li.,Daniel Tong.,Siqi Ma.,Xiaoyang Zhang.,Shobha Kundragunta.,...&Rick Saylor.(2021).Dominance of Wildfires Impact on Air Quality Exceedances during the 2020 Record-Breaking Wildfire Season in the United States.Geophysical Research Letters. |
MLA | Yunyao Li,et al."Dominance of Wildfires Impact on Air Quality Exceedances during the 2020 Record-Breaking Wildfire Season in the United States".Geophysical Research Letters (2021). |
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