Fluxes, variability and sources of cadmium, lead, arsenic and mercury in dry atmospheric depositions in urban, suburban and rural areas.

@article{Shi2012FluxesVA,
  title={Fluxes, variability and sources of cadmium, lead, arsenic and mercury in dry atmospheric depositions in urban, suburban and rural areas.},
  author={Guangyuan Shi and Zhenlou Chen and Jiyan Teng and Chun-juan Bi and Dan Zhou and Chuanyao Sun and Yunhui Li and Shiyuan Xu},
  journal={Environmental research},
  year={2012},
  volume={113},
  pages={
          28-32
        }
}
In China's largest city, Shanghai, dry deposition fluxes of Cd, Pb, As and Hg were 137, 19354, 2897 and 9.4 μgm(-2)a(-1), respectively in an urban area, intermediate in a suburban area, and 51.7, 5311, 1703 and 7.3 μgm(-2)a(-1), respectively in a rural area. Enrichment factors were Cd>Pb>As>Hg. Seasonal variations of metals differed: Pb and As were dominated by fossil fuel combustion, Cd was related to industrial pollution, and natural source controlled Hg levels. 
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