Abstract
Aliphatic and aromatic hydrocarbons, fatty acids and heavy metals (Pb, Cu, Ni, Zn, Fe and Cd) were analyzed in bulk deposition samples at two locations within the metropolitan area of Caracas, Venezuela. One of the sampling sites was located in the center (urban site, 1), while the other was in the outkirts of the city (rural site, 4).
In general, a higher flux was observed for the deposition of pollutants at site 1 than at site 4. These fluxes showed relatively large short-term variations, while the long-term integrated deposition was found to be relatively constant throughout the sampling period. Wet deposition did not affect the flux of most of the pollutants studied, with the exception of Pb and the fatty acids of an anthropogenic origin.
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Jaffé, R., Cabrera, A., Carrero, H. et al. Organic compounds and heavy metals in the atmosphere of the city of Caracas, Venezueala — II: Atmospheric deposition. Water Air Soil Pollut 71, 315–329 (1993). https://doi.org/10.1007/BF00480552
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DOI: https://doi.org/10.1007/BF00480552