2017
DOI: 10.1016/j.gexplo.2017.06.007
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Multivariate statistical analysis of heavy metals contamination in atmospheric dust of Kermanshah province, western Iran, during the spring and summer 2013

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Cited by 49 publications
(23 citation statements)
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“…The regional mean precipitation, wind speed and maximum wind speed are also shown in Figure 3(a) to illustrate the reasons for the seasonal variations in the DDF. The observations show that 75% of yearly dust events occur in the months of March to August when the monthly DDF is above 15%, which is consistent with previous studies (Alizadeh-Choobari et al, 2016;Doabi, Afyuni, & Karami, 2017;Nabavi et al, 2016;Sarraf, Rasouli, Mohammadi, & Sadr, 2016). The DDF is lowest in December (4%), and after January, it begins to increase and peaks in June and July (33%), followed by a decrease from August to December.…”
Section: Reanalysis Datasupporting
confidence: 91%
“…The regional mean precipitation, wind speed and maximum wind speed are also shown in Figure 3(a) to illustrate the reasons for the seasonal variations in the DDF. The observations show that 75% of yearly dust events occur in the months of March to August when the monthly DDF is above 15%, which is consistent with previous studies (Alizadeh-Choobari et al, 2016;Doabi, Afyuni, & Karami, 2017;Nabavi et al, 2016;Sarraf, Rasouli, Mohammadi, & Sadr, 2016). The DDF is lowest in December (4%), and after January, it begins to increase and peaks in June and July (33%), followed by a decrease from August to December.…”
Section: Reanalysis Datasupporting
confidence: 91%
“…Factor analysis (FA) is a conventional multivariate statistical method that determines the general relationship between measured variables by revealing multidimensional patterns that may be useful for classifying the original data [ 30 , 31 , 32 , 33 ]. FA is used to explore the possible sources and the hydrogeochemical processes affecting HMs by reducing the dimensionality of the dataset to several influencing factors.…”
Section: Methodsmentioning
confidence: 99%
“…where C i is the concentration of the measured heavy metal i in the particulates or soil (mg/kg), C r is the concentration of the reference element (Al), and P and S represent PM 2.5 and Jiangsu background soil, respectively [23,24]. There is no enrichment if the EF < 10 in PM 2.5 and the main source may be natural, such as rock weathering or soil, but the primary source is anthropogenic when EF > 10 [25].…”
Section: Calculation Of the Enrichment Factors (Efs) For Source Identmentioning
confidence: 99%