干旱区生态环境知识资源中心(Arid): Measurement and Modeling Air Quality Impacts of Dust Emissions from Unpaved Roads in Tuxtla Gutierrez, Chiapas

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DOI	10.3390/geosciences8080284
	Measurement and Modeling Air Quality Impacts of Dust Emissions from Unpaved Roads in Tuxtla Gutierrez, Chiapas
	Diaz-Nigenda, Emmanuel; Tatarko, John; Morales-Iglesias, Horacio; Hernandez Mendez, Zuleyma; Vazquez Morales, Williams; Angel Alatorre-Ibarguengoitia, Miguel
通讯作者	Tatarko, J
来源期刊	GEOSCIENCES
EISSN	2076-3263
出版年	2018
卷号	8 期号:8
英文摘要	Dust emissions from unpaved roads are one of the main pollutants affecting air quality around the world. As part of initial air quality studies in Tuxtla Gutierrez (TGZ), Chiapas, Mexico, urban aeolian emission events from unpaved roads and simple meteorological inputs were measured in February 2014 at two different sites located within the city to characterize emissions for representative road conditions and to produce Industrial Source Complex (ISC3) model inputs. Emissions of particulate matter of aerodynamic diameter less than 10 mu m (PM10) were determined for eight wind erosion events. PM10 concentrations were measured downwind from sites using a Minivol sampler during February and March 2014. Three high PM10 concentration scenarios, associated with unstable conditions generated by cold fronts (CF) were selected to simulate dust plume dispersion to identify impacted areas. Results show that unpaved roads represent a potential source of dust that affect air quality of urban regions; in this study generating emissions >= 1.92 x 10(-3) gm(-2)s(-1) when winds >= 6 ms(-1) were present. Air pollution events that exceed the Mexico national standard for 24-h average PM10 concentration (>= 75 mu g.m(-3)) were observed, impacting different areas in the city, representing a risk to human health. This demonstrates the influence of CF over southern Mexico, generating high PM10 concentrations in urban regions.
英文关键词	wind erosion dust particles cold fronts PM10
类型	Article
语种	英语
开放获取类型	DOAJ Gold
收录类别	ESCI
WOS记录号	WOS:000443254500014
WOS关键词	WIND EROSION ; DAILY MORTALITY ; PM10 EMISSIONS ; DESERT DUST ; PM2.5 ; SOIL ; SIMULATION ; VISIBILITY ; CALIFORNIA ; POLLUTION
WOS类目	Geosciences, Multidisciplinary
WOS研究方向	Geology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/332973
作者单位	[Diaz-Nigenda, Emmanuel; Morales-Iglesias, Horacio; Hernandez Mendez, Zuleyma; Vazquez Morales, Williams; Angel Alatorre-Ibarguengoitia, Miguel] Univ Ciencias & Artes Chiapas, Inst Invest Gest Riesgos & Cambio Climat, Tuxtla Gutierrez 29039, Chiapas, Mexico; [Tatarko, John] ARS, USDA, Rangeland Resources & Syst Res Unit, Ft Collins, CO 80526 USA
推荐引用方式 GB/T 7714	Diaz-Nigenda, Emmanuel,Tatarko, John,Morales-Iglesias, Horacio,et al. Measurement and Modeling Air Quality Impacts of Dust Emissions from Unpaved Roads in Tuxtla Gutierrez, Chiapas[J],2018,8(8).
APA	Diaz-Nigenda, Emmanuel,Tatarko, John,Morales-Iglesias, Horacio,Hernandez Mendez, Zuleyma,Vazquez Morales, Williams,&Angel Alatorre-Ibarguengoitia, Miguel.(2018).Measurement and Modeling Air Quality Impacts of Dust Emissions from Unpaved Roads in Tuxtla Gutierrez, Chiapas.GEOSCIENCES,8(8).
MLA	Diaz-Nigenda, Emmanuel,et al."Measurement and Modeling Air Quality Impacts of Dust Emissions from Unpaved Roads in Tuxtla Gutierrez, Chiapas".GEOSCIENCES 8.8(2018).