Abstract
A resistance model to calculate the deposition of cloud droplets on a coniferous forest and some improved parameterizations of the indispensable input parameters are described. The deposition model is adapted to the coniferous forest at the Kleiner Feldberg site and verified by the data of a drip water monitoring station below the forest canopy. The measurements of liqud water content, wind speed and trace substance compounds in cloud water of the Ground-based Cloud Experiment (GCE) at Kleiner Feldberg in 1990 are used to calculate the cloud water deposition fluxes and the deposition of trace substances via cloud water interception. The calculated deposition of trace substances via cloud water interceptions is three to six times higher than via rain during the experiment. On a long term data basis the yearly amount of cloud water deposition is 180 mm year−1 at Kleiner Feldberg site (840 m a.s.l.) while the precipitation amount is 1030 mm year−1. Due to higher trace substance concentrations in cloud water compared to rain the ionic deposition via cloud water interception and via precipitation were assessed to be of comparable magnitude.
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Pahl, S. et al. (1994). Deposition of Trace Substances via Cloud Interception on a Coniferous Forest at Kleiner Feldberg. In: Fuzzi, S. (eds) The Kleiner Feldberg Cloud Experiment 1990. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-0313-8_11
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DOI: https://doi.org/10.1007/978-94-011-0313-8_11
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