Hazardous radioactivity levels and heavy mineral concentrations in beach sediments of Lake Peipsi, northeastern Estonia
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Date
2018-04
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Publisher
Instytut Geologii UAM
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Abstract
The present study discusses results of heavy mineral analyses and radioactivity of beach sediments of Lake Peipsi. Such
analyses are commonly done globally, but had not yet been conducted for the fourth largest lake in Europe. The average
heavy mineral content in Lake Peipsi beach sediments along the northern and western coast is higher than usual for
Estonian coastal and Quaternary sediments. Concomitantly, elevated radioactivity levels have been measured in sev-
eral places, with the highest concentrations observed at Alajõe (1885.5 Bq/kg), which is over five times more than the
recommended limit. The aim of the present study is to find sites with higher radioactivity levels, because the northern
coast of Lake Peipsi is a well-known recreational area.
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Keywords
elevated radioactivity, risk management, beach sediments, heavy minerals, Baltic States
Citation
Geologos, 2018, 24, 1, s.1-12
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ISBN
978-83-232187-4-6
ISSN
1426-8981