Titlebook: Mechanisms and Effects of Pollutant-Transfer into Forests; Proceedings of the M H.-W. Georgii Conference proceedings 1989 Kluwer Academic P

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The Deposition of Aerosol Particles in a Forest Using an Atmospheric Residence Time Modellluted air to the community stems from the fact that on the location of a forest, no polluter is existing. Based on a residence time model of the atmosphere, a model for the forest is developed and compared with published results.

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Gentry

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The Determination of Phosgene in the Lower Tropospherealytical method for the determination of phosgene in ambient air as well as on plant particles using thermal desorption preceeding gaschromatographic separation is described. Results of measuring phosgene in the troposphere and diurnal variation of its concentration are presented.

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Aromatic and Chlorinated Hydrocarbons in Forest Areas according to their reaction rates with OH-radicals. Components which have residence times of several days or weeks are enriched and act as photochemical precursors in remote forest areas. For CHC a slight decrease of the airborne concentrations was found within the last years.

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Deposition by Rain and Snow - Dry Deposition on Snowsoluble components were characterized by increased concentrations at the beginning and decreased concentrations towards the end of the snowmelt season. Partly insoluble components showed the opposite behaviour. By calculating the total element input caused by snowmelt and by snowfall samples it was