Deposition of Inorganic Particulate Aerosols to Vegetation - A New Method of Estimating |
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Authors: | Malgorzata Kwiecień |
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Institution: | (1) Department of Plant Ecology, Institute of Ecology, Polish Academy of Sciences, Dziekanów Leny, 05-092 Lomianki, Poland |
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Abstract: | A new, direct method was developed for quantifying inorganic particulate aerosols trapped by the forest canopy, and for determining the resulting input of elements to a forest ecosystem. The method is based on direct measurements of only six parameters. Using this method, it is possible to determine the load of aerosols trapped by the forest canopy and deposited to leaves, as well as the load of aerosols falling to the forest floor by impaction on plants. It is also possible to estimate the aerosol input of soluble and insoluble elements to an ecosystem. With this new method it has been found that the load of aerosols trapped by the canopy of a mixed forest located in the Rybnik Coal Basin averaged 189.0 kg x ha-1 x growing season-1, or 39.3% of the total inorganic particles reaching the ecosystem. The trapped aerosols provided 13.4 kg x ha-1 of soluble nitrogen and 0.91 kg x ha-1 of insoluble nitrogen over the growing season. At the same time, the input of soluble nitrogen from the atmosphere with rainfall to an open area averaged 13.9 kg x ha-1, and the input of insoluble nitrogen with inorganic dusts averaged 1.4 kg x ha-1. |
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Keywords: | absorption canopy dry deposition element input industrial dusts industrialized region inorganic particulate aerosols leaching nitrogen budget pine-oak forest soluble and insoluble form trapped by leaves |
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