干旱区生态环境知识资源中心(Arid): Influence of mineral dust on the concentration and composition of PM10 in the city of Constantine

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DOI	10.1016/j.aeolia.2021.100677
	Influence of mineral dust on the concentration and composition of PM10 in the city of Constantine
	Lokorai, Kanza; Ali-Khodja, Hocine; Khardi, Salah; Bencharif-Madani, Fairouz; Naidja, Lamri; Bouziane, Mokhtar
通讯作者	Ali-Khodja, H (corresponding author), Univ Freres Mentouri Constantine 1, Fac Sci Exactes, Dept Chim, Lab Pollut & Traitement Eaux, Constantine, Algeria.
来源期刊	AEOLIAN RESEARCH
ISSN	1875-9637
EISSN	2212-1684
出版年	2021
卷号	50
英文摘要	Measurements of Saharan dust (SD) inputs are very scarce in the vicinity of the Saharan desert. This work aims to identify Saharan dust intrusions and evaluate their contribution to annual and daily PM10 at an urban background site located in the city of Constantine in Algeria. A reliable identification of SD days was carried out using aerosol maps provided by BSC-DREAM model and the information provided by HYSPLIT air mass back trajectories. SD is mainly composed of mineral dust (MD) due to the proximity of the Sahara to the study site. MD was determined by chemical speciation analysis and was estimated on SD days and non SD days. The contribution of MD on SD days was about 50% higher than that observed on non SD days. The observed average PM10 concentration during the study period was 56 ? 32.0 ?g/m3. During SD days, the average PM10 concentration was 70 ? 36.1 ?g/m3. On average, the PM10 concentration increased by 17.05 ? 12.7 ?g/m3 on SD days. SD events contributed between 0.6 and 41.5 ?g/m3 to the daily PM10 concentrations, whereas the average contribution to the annual PM10 concentration was 7.2 ? 11.8 ?g/m3 i.e., 12.8 ? 15.5%. After the extraction of the SD load, the annual WHO air quality guideline (AQG) was still exceeded. SD incursions led to an increase of most metal elements concentrations by a factor ranging from 1.05 to 3.33. Our results point out that SD outbreaks are quite frequent as they occurred 42.2% of the annual days.
英文关键词	PM10 Mineral dust Saharan dust Metallic elements Back trajectories
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000647794100003
WOS关键词	ATMOSPHERIC PARTICULATE MATTER ; SAHARAN DUST ; AFRICAN DUST ; DESERT DUST ; AIR-QUALITY ; CHEMICAL-COMPOSITION ; SOURCE APPORTIONMENT ; MEDITERRANEAN BASIN ; SOUTHERN EUROPE ; DAILY MORTALITY
WOS类目	Geography, Physical
WOS研究方向	Physical Geography
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349292
作者单位	[Lokorai, Kanza; Ali-Khodja, Hocine; Bencharif-Madani, Fairouz; Naidja, Lamri; Bouziane, Mokhtar] Univ Freres Mentouri Constantine 1, Fac Sci Exactes, Dept Chim, Lab Pollut & Traitement Eaux, Constantine, Algeria; [Khardi, Salah] Univ Claude Bernard, IFSTTAR LTE, 25 Ave Francois Mitterrand,Case 24 Cite Mobilites, F-69675 Bron, France; [Naidja, Lamri] Ctr Rech Sci & Tech Anal Phys Chim CRAPC, Siege Ex Pasna Zone Ind Bou Ismail, BP 384, Tipasa 42004, Algeria; [Naidja, Lamri] Ctr Rech Sci Pharmaceut, Zone Activite ZAM, Nouvelle Ville Ali Mendj, Constantine, Algeria
推荐引用方式 GB/T 7714	Lokorai, Kanza,Ali-Khodja, Hocine,Khardi, Salah,et al. Influence of mineral dust on the concentration and composition of PM10 in the city of Constantine[J],2021,50.
APA	Lokorai, Kanza,Ali-Khodja, Hocine,Khardi, Salah,Bencharif-Madani, Fairouz,Naidja, Lamri,&Bouziane, Mokhtar.(2021).Influence of mineral dust on the concentration and composition of PM10 in the city of Constantine.AEOLIAN RESEARCH,50.
MLA	Lokorai, Kanza,et al."Influence of mineral dust on the concentration and composition of PM10 in the city of Constantine".AEOLIAN RESEARCH 50(2021).