In-stack emissions of heavy metals estimated by moss biomonitoring method and snow-pack analysis |
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| Institution: | 1. Atmospheric Pollution Research Laboratory, Institute of Physics, A. Goštauto 12, 2600 Vilnius, Lithuania;2. Department of forest soils, typology and hydrology, Lithuanian Forest Research Institute, Girionys 1, LT 4312 Kaunas region, Lithuania;1. Department of Ecology, Biogeochemistry and Environmental Protection, Wrocław University, ul. Kanonia 6/8, 50-328 Wroclaw, Poland;2. Department of Applied Geology, Geochemistry and Environmental Management Institute of Geological Sciences, University of Wrocław, Cybulskiego 32, 50-205 Wrocław, Poland;3. Radboud University Nijmegen, Institute for Water and Wetland Research, Department of Environmental Science, Huygens building, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands;1. Institute for Earth and Environmental Sciences of La Pampa (INCITAP, CONICET-UNLPam), cc 300, 6300 Santa Rosa, Argentina;2. National University of La Pampa, Faculty of Agronomy (UNLPam), cc 300, 6300 Santa Rosa, Argentina;3. National Institute for Agricultural Technology (INTA), Anguil, Argentina;1. Department of Ecology, Biogeochemistry and Environmental Protection, Wrocław University, ul. Kanonia 6/8, 50-328 Wrocław, Poland;2. Research Centre for Toxic Compounds in the Environment, Faculty of Science, Masaryk University, Kamenice 753/5, 6250 Brno, Czech Republic;3. Radboud University Nijmegen, Institute for Water and Wetland Research, Department of Environmental Science, Heyendaalseweg 135, 6525 AJ Nijmegen, The Netherlands;1. Centro Interdipartimentale di Ricerca Ambiente (CIRAM), Università di Napoli Federico II, via Mezzocannone, 16, 80132 Napoli, Italy;2. Dipartimento di Agraria, Università di Napoli Federico II, Via Università 100, 80055 Portici, NA, Italy;3. Dipartimento di Biologia, Università di Napoli Federico II, Via Cinthia 4, 80126 Napoli, Italy |
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| Abstract: | Data from the chemical analysis of moss growing close to a thermal power station and snowpack have been used for the estimation of heavy metal deposition close to the point pollution sources. A semi-empirical model was proposed to describe atmospheric trace metal deposition close to the point pollution source. Model parameters were derived from experimental data, and nickel and vanadium quantities, washed out with snow and rain, were calculated. Using long-term meteorological observation data of rain and snow duration and metal uptake efficiencies in moss, the average emission rates of vanadium and nickel from the stack were calculated. The coincidence between data from emission inventory and model results was within 25%. It was estimated that in the vicinity of pollution source (within 30 km) about 15% out of total emitted metals were washed out by rain and snow events. Metal concentrations in the environment become indistinguishable from the background at a distance of about 20 km from the stack. |
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