The ecogeochemical role of forest fires in the Baikal region |
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| Institution: | 1. Future Environment Research Center, Korea Institute of Toxicology, Jinju 660-844, Republic of Korea;2. Department of Geology and Research Institute of Natural Science (RINS), Gyeongsang National University (GNU), Jinju 660-701, Republic of Korea;3. Department of Earth and Environmental Sciences and KU-KIST Green School (Graduate School of Energy and Environment), Korea University, Seoul 136-701, Republic of Korea;4. Geologic Environment Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Republic of Korea;1. Nikolaev Institute of Inorganic Chemistry, SB of the RAS, 3 Acad. Lavrentiev Ave., 630090 Novosibirsk, Russia;2. Voevodsky Institute of Chemical Kinetics and Combustion, SB of the RAS, 3 Institutskaya Str., 630090 Novosibirsk, Russia;1. Institut für Theoretische Physik, Universität Regensburg, 93040 Regensburg, Germany;2. Department of Theoretical Physics, Tata Institute of Fundamental Research, Homi Bhabha Road, Mumbai 400005, India;1. Evolutionary Studies Institute, University of the Witwatersrand, Johannesburg, South Africa;2. School of Archaeology, Geography & Environmental Studies, University of the Witwatersrand, Johannesburg, South Africa;3. Grupo de Investigación en Geografía Física de Alta Montaña, GFAM, Spain;1. College of Natural Resources and Environment, Northwest A&F University, Yangling 712100, China;2. State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China;3. Key Laboratory of Plant Nutrition and the Agri-environment in Northwest China, Ministry of Agriculture, Yangling 712100, China;1. Oxford University Hospitals NHS Trust, United Kingdom;2. Nuffield Department of Clinical Neurosciences, University of Oxford, United Kingdom |
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| Abstract: | A study is made of the behavior of artificial radionuclides and heavy metals during a forest fire. It is shown that forest fires are accompanied by airborne migration of some heavy metals and artificial radionucleides as well as by pollution of new areas. The main depositories of elements falling out of the atmosphere are provided by forest litter, mosses, lichens, and tree needles. Up to 40% of 137Cs and 90Sr can migrate from the sites of fires, which originally were contained in the soil-vegetation cover. The elements that are carried away from the sites of fires partly deposit themselves on adjacent areas. |
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