Abstract
Atmospheric deposition of SO 2, and fine particles of Pb and Cd are calculated over a one-year period in a 66 km 2 airshed with a segment-puff model. Emission variations, hourly mixing heights and meteorological values are considered to compute monthly averages of concentrations and deposition. Dry deposition is calculated by means of deposition velocities which are season- and land use-dependent. Wet deposition is determined using a washout coefficient. To assess the simulation performance, calculated SO 2 results from the combination between the deposition velocity, the windspeed and direction and the location and type of sources. As annual averages, results for dry plus wet deposition are computed to be 0.84 mg m −2d −1 for sulfur, 4.15 μgm −2d −1 for lead and 0.0013 μgm −2d −1 for cadmium. A variation factor is derived from a sensitivity analysis. This factor amounts to 2.3−2.8 for the concentrations and 2.6−3.1 for the deposition, depending on the pollutant.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
