DOI: 10.1016/j.atmosenv.2015.05.065
Scopus记录号: 2-s2.0-84937909366
论文题名: Effects of Independence Day fireworks on atmospheric concentrations offine particulate matter in the United States
作者: Seidel D ; J ; , Birnbaum A ; N
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 115 起始页码: 192
结束页码: 198
语种: 英语
英文关键词: 4th of July
; Fireworks
; Independence Day
; Particulate matter
; PM2.5
; Pyrotechnics
Scopus关键词: Air quality
; Balloons
; 4th of July
; Fireworks
; Independence Day
; Particulate Matter
; PM2.5
; Pyrotechnics
; Explosives
; air quality
; atmospheric modeling
; atmospheric pollution
; particle size
; particulate matter
; pollutant source
; pollution monitoring
; prediction
; air quality
; Article
; atmosphere
; circadian rhythm
; concentration (parameters)
; environmental monitoring
; fire and fire related phenomena
; firework
; life event
; meteorology
; particulate matter
; priority journal
; United States
; United States
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: Previous case studies have documented increases in air pollutants, including particulate matter (PM), during and following fireworks displays associated with various holidays and celebrations around the world. But no study to date has explored fireworks effects on air quality over large regions using systematic observations over multiple years to estimate typical regional PM increases. This study uses observations of fine PM (with particle diameters<2.5μm, PM2.5) from 315 air quality monitoring sites across the United States to estimate the effects of Independence Day fireworks on hourly and 24-hr average concentrations. Hourly PM2.5 concentrations during the evening of July 4 and morning of July 5 are higher than on the two preceding and following days in July, considered as control days. On national average, the increases are largest (21μg/m3) at 9-10 pm on July 4 and drop to zero by noon on July 5. Average concentrations for the 24-hr period beginning 8 pm on July 4 are 5μg/m3 (42%) greater than on control days, on national average. The magnitude and timing of the Independence Day increases vary from site to site and from year to year, as would be expected given variations in factors such as PM2.5 emissions from fireworks, local meteorological conditions, and distances between fireworks displays and monitoring sites. At one site adjacent to fireworks, hourly PM2.5 levels climb to ~500μg/m3, and 24-hr average concentrations increase by 48μg/m3 (370%). These results have implications for potential improvements in air quality models and their predictions, which currently do not account for this emissions source. © 2015. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81669
Appears in Collections: 气候变化事实与影响
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作者单位: NOAA Air Resources Laboratory, R/ARL - NCWCP, 5830 University Research Court, College Park, MD, United States; Cooperative Institute for Climate and Satellites-Maryland, University of Maryland, 5825 University Research Court, Suite 4001, College Park, MD, United States
Recommended Citation:
Seidel D,J,, Birnbaum A,et al. Effects of Independence Day fireworks on atmospheric concentrations offine particulate matter in the United States[J]. Atmospheric Environment,2015-01-01,115