Abstract
A field method is presented, which allows to determine dry deposition rates to the canopy of a spruce tree for some atmospheric constitutents such as Ca2+, Mg2+Na+, Cl- and total sulfur. The determination is based on the fact, that substances deposited through dry processes on needle surfaces, are washed off by subsequent rainfall and therefore are accumulated and can be measured in precipitation collected below the canopy. First results of this mass flux balance model, which directly includes the receiving surface, are discussed. The calculations carried out under neglection of source and sink terms indicate reasonable results for chloride and total sulfur, which are not subjected to considerable leaching or immobilization. For lead, which is immobilized on plant surfaces, the method presented underestimates the dry mass fluxes; for manganese, which is washed out of the needles to a great extent, it clearly overestimates them.
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© 1989 Kluwer Academic Publishers
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Barth, S., Klockow, D. (1989). A Contribution to the Experimental Quantification of Dry Deposition to the Canopy of Coniferous Trees. In: Georgii, HW. (eds) Mechanisms and Effects of Pollutant-Transfer into Forests. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-1023-2_10
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DOI: https://doi.org/10.1007/978-94-009-1023-2_10
Publisher Name: Springer, Dordrecht
Print ISBN: 978-94-010-6951-9
Online ISBN: 978-94-009-1023-2
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