Source Apportionment and Assessment of Air Quality Index of PM2.5-10 and PM2.5 in at Two Different Sites in Urban Background Area in Senegal

被引：15

作者：

Kebe, Moustapha ^{[1
]}

Traore, Alassane ^{[1
,2
]}

Manousakas, Manousos Ioannis ^{[3
]}

Vasilatou, Vasiliki ^{[3
]}

Ndao, Ababacar Sadikhe ^{[1
,2
]}

Wague, Ahmadou ^{[2
]}

Eleftheriadis, Konstantinos ^{[3
]}

机构：

[1] Univ Cheikh Anta Diop Dakar, Inst Technol Nucl Appl, Dakar 10700, Senegal

[2] Univ Cheikh Anta Diop Dakar, Fac Sci & Tech, Dakar 10700, Senegal

[3] NCSR Demokritos, ERL, Inst Nucl & Radiol Sci & Technol Energy & Safety, Athens 15310, Greece

来源：

ATMOSPHERE | 2021年 / 12卷 / 02期

关键词：

aerosol; PMF; elemental composition; PSCF; PARTICULATE MATTER; CHEMICAL-CHARACTERIZATION; MORTALITY; AEROSOL; PM10; PARTICLES; POLLUTION; PMF; TRANSPORT; COARSE;

D O I：

10.3390/atmos12020182

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Identifying the particulate matter (PM) sources is an essential step to assess PM effects on human health and understand PM's behavior in a specific environment. Information about the composition of the organic or/and inorganic fraction of PM is usually used for source apportionment studies. In this study that took place in Dakar, Senegal, the identification of the sources of two PM fractions was performed by utilizing data on the elemental composition and elemental carbon content. Four PM sources were identified using positive matrix factorization (PMF): Industrial emissions, mineral dust, traffic emissions, and sea salt/secondary sulfates. To assess the effect of PM on human health the air quality index (AQI) was estimated. The highest values of AQI are approximately 497 and 488, in Yoff and Hlm, respectively. The spatial location of the sources was investigated using potential source contribution function (PSCF). PSCF plots revealed the high effect of transported dust from the desert regions to PM concentration in the sampling site. To the best of our knowledge, this is the first source apportionment study on PM fractions published for Dakar, Senegal.

引用

页码：1 / 16

页数：15

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