Impact of former uranium mining activities on the floodplains of the Mulde River, Saxony, Germany

Journal of Environmental Radioactivity
S BisterC Walther

Abstract

The Mulde River drains the former uranium mining areas in Saxony (Germany), which has led to a large-scale contamination of the river and the adjacent floodplain soils with radionuclides of the uranium decay series. The objective of the investigation is to quantify the long-term effect of former uranium mining activities on a river system. All of the investigated environmental compartments (water, sediment, soil) still reveal an impact from the former uranium mining and milling activities. The contamination of water has decreased considerably during the last 20 years due to the operation of water treatment facilities. The uranium content of the sediments decreased as well (on average by a factor of 5.6), most likely caused by displacement of contaminated material during flood events. Currently, the impact of the mining activities is most obvious in soils. For some of the plots activity concentrations of >200 Bq/kg of soil were detected for uranium-238. Alluvial soils used as grassland were found to be contaminated to a higher degree than those used as cropland.

References

May 5, 2005·Environmental Monitoring and Assessment·Vivek K GaurVirendra Misra
Jul 13, 2007·Journal of Environmental Radioactivity·Fernando P CarvalhoAleluia Batista

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Citations

Mar 20, 2018·Bulletin of Environmental Contamination and Toxicology·Ahmad Reza MokhtariRuth Kerry
Jan 15, 2019·Journal of Environmental Radioactivity·Thi-Hong-Hanh LeJulie Champion

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