Wet-deposition fluxes of soluble chemical species and the elements in insoluble materials |
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| Institution: | 1. Dipartimento di Biologia, Università Degli Studi di Napoli Federico II, Via Cinthia, 80126, Napoli, Italy;2. CeSMA-Centro Servizi Metrologici Avanzati, Università Degli Studi di Napoli Federico II, Via Cinthia, 80126, Napoli, Italy;3. Dipartimento di Scienze Chimiche, Università Degli Studi di Napoli Federico II, Via Cinthia, 80126, Napoli, Italy;1. College of Energy and Environmental Engineering, Hebei University of Engineering, Handan, Hebei, 056038, China;2. Biophysical Environmental Chemistry Group, Department of Chemistry, University of Montreal, Montreal, Quebec, H3C 3J7, Canada;1. Institute of Plant Nutritional Physiology and Molecular Biology, College of Resources and Environment, Fujian Agriculture and Forestry University, Fuzhou 350002, China;2. Institute of Materia Medica, Fujian Academy of Medical Sciences, Fuzhou 350001, China;1. State Key Laboratory of Cryospheric Science, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, 730000, China;2. University of Chinese Academy of Sciences, Beijing, 100049, China;3. Institute for the Dynamics of Environmental Processes, National Research Council (IDPA-CNR), Venice Italy |
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| Abstract: | From March to June 1996, eight rain events were collected by sequential sampling on time and volume basis in Kyoto University, Uji, Japan. Soluble chemical species Cl?, NO3?, SO42?, Na+, NH4+, K+, Ca2+ and Mg2+ were measured by Ion Chromatography (IC); and the elements Si, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Br and Pb in insoluble materials were measured by proton-induced X-ray emission (PIXE) technique. The wet-deposition flux of a soluble chemical species (or an element in insoluble materials) was calculated by the product of the chemical species (or the element) concentration and the corresponding rain intensity. The characteristics of sequential cumulative wet-deposition flux of the soluble chemical species and the elements in insoluble materials were examined. The factor controlling wet-deposition flux was discussed. |
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