NDLI: Atmospheric particulate mercury at the urban and forest sites in central Poland.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Siudek, Patrycja Siepak, Jerzy Frankowski, Marcin
Spatial Coverage	Europe Poland
Description	Country affiliation: Poland Author Affiliation: Siudek P ( Department of Water and Soil Analysis, Faculty of Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89b Street, 61-614, Poznan, Poland. pat.s@amu.edu.pl.); Frankowski M ( Department of Water and Soil Analysis, Faculty of Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89b Street, 61-614, Poznan, Poland.); Siepak J ( Hipolit Cegielski State College of Higher Education in Gniezno, 38 ks. Kard. Stefana Wyszynskiego Street, 62-200, Gniezno, Poland.)
Abstract	Particulate mercury concentrations were investigated during intensive field campaigns at the urban and forest sites in central Poland, between April 2013 and October 2014. For the first time, quantitative determination of total particulate mercury in coarse (PHg2.2) and fine (PHg0.7) aerosol samples was conducted in Poznan and Jeziory. The concentrations in urban fine and coarse aerosol fractions amounted to < MDL ± 77.1 pg m(-3) and < MDL ± 604.9 pg m(-3), respectively. Aerosol samples collected during the whole study period showed statistically significant differences for particulate mercury concentrations. A strong impact of meteorological conditions (wind velocity, air mass direction, air temperature, and precipitation amount) on particulate mercury concentrations was also observed. In particular, higher variation and concentration range of PHg0.7 and PHg2.2 was reported for wintertime measurements. An increase in atmospheric particulate mercury during the cold season in the study region indicated that coal combustion, i.e., residential and industrial heating, is the main contribution factor for the selected particle size modes. Coarse particulate Hg at the urban site during summer was mainly attributed to anthropogenic sources, with significant contribution from resuspension processes and long-range transport. The highest values of PHg0.7 and PHg2.2 were found during westerly and southerly wind events, reflecting local emission from highly polluted areas. The period from late fall to spring showed that advection from the southern part of Poland was the main factor responsible for elevated Hg concentrations in fine and coarse particles in the investigated region. Moreover, September 2013 could be given as an example of the influence of additional urban activities which occurred approx. 10 m from the sampling site-construction works connected with replacement of the road surface, asphalting, etc. The concentrations of particulate Hg (>600.0 pg m(-3)) were much higher than during the following months when any similar situation did not occur. Our investigations confirmed that Hg in urban aerosol samples was predominantly related to local industrial and commercial emissions, whereas the main source of Hg in particulate matter collected at the forest site was connected with regional anthropogenic processes. This paper provides the results of the first long-term measurements of size-fractionated particulate mercury conducted in central Poland, which could be an important insight into atmospheric Hg processes within such a scarcely investigated part of Europe.
ISSN	09441344
e-ISSN	16147499
DOI	10.1007/s11356-015-5476-5
Journal	Environmental Science and Pollution Research
Issue Number	3
Volume Number	23
Language	English
Publisher	Springer
Publisher Date	2016-02-01
Publisher Place	Germany
Access Restriction	Open
Subject Keyword	Air Pollutants Environmental Monitoring Mercury Particulate Matter Aerosols Particle Size Seasons Research Support, Non-u.s. Gov't Discipline Environmental Science Discipline Environmental Chemistry
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine

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