Organic halogens in spruce forest throughfall

G. Öberg, C. Johansen, C. Grøn

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Deposition of dissolved organic halogens by throughfall was determined in a small spruce forest site in Denmark (56 degrees 28'N, 8 degrees 24'E). The mean annual deposition of dissolved organic halogens was 377 g ha(-1)yr(-1), and larger than the general deposition by precipitation. No relationship between the position of the collectors and the forest edge or dominating wind-direction was found, suggesting that dry deposition was not a major source. The concentration of organic halogens was related to that of organic carbon and decreased from the tree-trunk and outwards. In addition, the concentrations were higher during the growing season than during the dormant season. This indicates that the major part of the organic carbon and organic halogens in spruce forest throughfall originates from canopy leachates or other internal sources. (C) 1998 Elsevier Science Ltd.
    Original languageEnglish
    JournalChemosphere
    Volume36
    Issue number8
    Pages (from-to)1689-1701
    ISSN0045-6535
    DOIs
    Publication statusPublished - 1998

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