title: Determination of PM₁₀ deposition based on antimony flux to selected urban surfaces.
abstract: Deposition of PM(10) particles to several types of urban surfaces was investigated within this study. Antimony was chosen as a tracer element to calculate dry deposition velocities for PM(10), since antimony proved to be present almost exclusively in PM(10) particles in ambient urban air. During 18 months, eight sampling sites in Berlin and Karlsruhe, two cities in Germany, were operated. PM(10) concentrations and dry deposition were routinely sampled as two week averages. Additionally, leaf-samples were collected at three sites with tall vegetation. The obtained deposition velocities ranged from 0.8 to 1.3 cms(-1) at roadside sites and from 0.4 to 0.5 cms(-1) at the other sites. With reference to the whole canopy, additional deposition velocities of about 0.5 cms(-1) were obtained for leaf surfaces. As a consequence, it can be concluded that vegetation-covered areas beside streets show the highest potential to capture particles in urban areas.
authors.affiliation: Geography Department, Humboldt-Universität zu Berlin, Unter den Linden 6, 10099 Berlin, Germany. marcel.langner@geo.hu-berlin.de
authors.forename: Marcel
authors.initials: M
authors.lastname: Langner
authors.forename: Martin
authors.initials: M
authors.lastname: Kull
authors.forename: Wilfried R
authors.initials: WR
authors.lastname: Endlicher
mesh_terms: D000392:Air Movements; D000393:Air Pollutants / Q000032:analysis*; D000397:Air Pollution / Q000706:statistics & numerical data; D000965:Antimony / Q000032:analysis*; D001272:Atmosphere / Q000737:chemistry; D002947:Cities; D004784:Environmental Monitoring; D005858:Germany; D010316:Particle Size; D052638:Particulate Matter / Q000032:analysis*
chemical_list: D000393:Air Pollutants; D052638:Particulate Matter; D000965:Antimony