干旱区生态环境知识资源中心(Arid): Short-term air pollution events in the Atacama desert, Chile

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DOI	10.1016/j.jsames.2020.103010
	Short-term air pollution events in the Atacama desert, Chile
	Gonzalez-Rojas, Claudio H.; Leiva-Guzman, Manuel; Manzano, Carlos A.; Morales S, Rail G. E.; Toro Araya, Richard
通讯作者	Araya, RT (corresponding author), Univ Chile, Fac Ciencias, Dept Quim, 3425 Las Palmeras, Nunoa, RM, Chile.
来源期刊	JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
ISSN	0895-9811
EISSN	1873-0647
出版年	2021
卷号	105
英文摘要	An evaluation of the concentrations of PM10, PM2.5, SO2, CO, NO2, O-3 and meteorological variables recorded between 2013 and 2016 at three continuous monitoring stations in the urban area of Calama (located in the hyper-arid desert from the Atacama) is presented. The results indicated that the recorded concentrations of PM10, PM2.5, and SO2 exceeded the World Health Organization (WHO) daily and annual guidelines throughout the years studied. The diurnal variability of PM10 and PM2.5 concentrations showed that two maxima occurred during mornings and nights, while SO2 concentrations showed a single acute maximum at noon. The relationship between the wind regime in the area and the concentrations of PM10 and PM2.5 implied significant contributions from sources located at the west end of the city: industrial sources (local mining industry) and natural sources (the Atacama desert) during warmer seasons, while local urban sources (vehicles and residential heating) became more relevant during cooler seasons. Maximum SO2 concentrations were connected to changes in the local wind patterns (east to west) that occur around noon in Calama. These changes determined that the emissions from the copper extraction and smelting operations (located north of Calama) could have been transported into the urban area, therefore causing the deterioration of its air quality that is perceived by the local population. No significant trends for SO2 and O-3 concentrations were observed during 2013-2016, while an increase of 8.8% year(-1) for CO, and a reduction of 5% year(-1) for the other pollutants studied was observed.
英文关键词	Desert air pollution Particulate matter Sulfur dioxide Mining activity
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000606795000003
WOS关键词	PARTICULATE MATTER ; COARSE PARTICLES ; EMISSION ; FINE ; SO2 ; BOR
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/2XILL650/348038
作者单位	[Gonzalez-Rojas, Claudio H.] Univ Tarapacii, Fac Ciencias, Dept Quirn, Casilla 6-D, Arica, Chile; [Leiva-Guzman, Manuel; Manzano, Carlos A.; Morales S, Rail G. E.; Toro Araya, Richard] Univ Chile, Fac Ciencias, Dept Quim, 3425 Las Palmeras, Nunoa, RM, Chile; [Manzano, Carlos A.] San Diego State Univ, Sch Publ Hlth, 5500 Campanile Dr, San Diego, CA 92182 USA
推荐引用方式 GB/T 7714	Gonzalez-Rojas, Claudio H.,Leiva-Guzman, Manuel,Manzano, Carlos A.,et al. Short-term air pollution events in the Atacama desert, Chile[J],2021,105.
APA	Gonzalez-Rojas, Claudio H.,Leiva-Guzman, Manuel,Manzano, Carlos A.,Morales S, Rail G. E.,&Toro Araya, Richard.(2021).Short-term air pollution events in the Atacama desert, Chile.JOURNAL OF SOUTH AMERICAN EARTH SCIENCES,105.
MLA	Gonzalez-Rojas, Claudio H.,et al."Short-term air pollution events in the Atacama desert, Chile".JOURNAL OF SOUTH AMERICAN EARTH SCIENCES 105(2021).