Black Carbon and Particulate Matter Concentrations in Eastern Mediterranean Urban Conditions : An Assessment Based on Integrated Stationary and Mobile Observations

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Hussein , T , Saleh , S S A , dos Santos , V N , Abdullah , H & Boor , B E 2019 , ' Black Carbon and Particulate Matter Concentrations in Eastern Mediterranean Urban Conditions : An Assessment Based on Integrated Stationary and Mobile Observations ' , Atmosphere , vol. 10 , no. 6 , 323 . https://doi.org/10.3390/atmos10060323

Title: Black Carbon and Particulate Matter Concentrations in Eastern Mediterranean Urban Conditions : An Assessment Based on Integrated Stationary and Mobile Observations
Author: Hussein, Tareq; Saleh, Shatha Suleiman Ali; dos Santos, Vanessa N.; Abdullah, Huthaifah; Boor, Brandon E.
Contributor: University of Helsinki, Air quality research group
University of Helsinki, INAR Physics
Date: 2019-06
Language: eng
Number of pages: 23
Belongs to series: Atmosphere
ISSN: 2073-4433
URI: http://hdl.handle.net/10138/310851
Abstract: There is a paucity of comprehensive air quality data from urban areas in the Middle East. In this study, portable instrumentation was used to measure size-fractioned aerosol number, mass, and black carbon concentrations in Amman and Zarqa, Jordan. Submicron particle number concentrations at stationary urban background sites in Amman and Zarqa exhibited a characteristic diurnal pattern, with the highest concentrations during traffic rush hours (2-5 x 10(4) cm(-3) in Amman and 2-7 x 10(4) cm(-3) in Zarqa). Super-micron particle number concentrations varied considerably in Amman (1-10 cm(-3)). Mobile measurements identified spatial variations and local hotspots in aerosol levels within both cities. Walking paths around the University of Jordan campus showed increasing concentrations with proximity to main roads with mean values of 8 x 10(4) cm(-3), 87 mu g/m(3), 62 mu g/m(3), and 7.7 mu g/m(3) for submicron, PM10, PM2.5, and black carbon (BC), respectively. Walking paths in the Amman city center showed moderately high concentrations (mean 10(5) cm(-3), 120 mu g/m(3), 85 mu g/m(3), and 8.1 mu g/m(3) for submicron aerosols, PM10, PM2.5, and black carbon, respectively). Similar levels were found along walking paths in the Zarqa city center. On-road measurements showed high submicron concentrations (>10(5) cm(-3)). The lowest submicron concentration (
Subject: urban air quality
ultrafine particles
human exposure
urban aerosols
Middle East and North Africa (MENA)
PARTICLE NUMBER CONCENTRATIONS
DUST EMISSION MEASUREMENT
ULTRAFINE PARTICLES
PERSONAL EXPOSURE
FINE PARTICULATE
AIR-POLLUTANTS
TRANSPORT MICROENVIRONMENTS
SPATIAL VARIABILITY
MASS CONCENTRATIONS
SIZE DISTRIBUTIONS
114 Physical sciences
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