Hazardous radioactivity levels and heavy mineral concentrations in beach sediments of Lake Peipsi, northeastern Estonia

被引：8

作者：

Jarvelill, Johanna-Iisebel ^{[1
]}

Koch, Rein ^{[2
]}

Raukas, Anto ^{[3
]}

Vaasma, Tiit ^{[3
]}

机构：

[1] Tallinn Univ, Sch Nat Sci & Hlth, Narva Rd 29, EE-10120 Tallinn, Estonia

[2] Tartu Univ, Inst Phys, Riia 142, EE-51014 Tartu, Estonia

[3] Tallinn Univ, Inst Ecol, Uus Sadama 5, EE-10120 Tallinn, Estonia

来源：

GEOLOGOS | 2018年 / 24卷 / 01期

关键词：

elevated radioactivity; risk management; beach sediments; heavy minerals; Baltic States;

D O I：

10.2478/logos-2018-0001

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

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 several places, with the highest concentrations observed at Alajoe (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.

引用

页码：1 / 12

页数：12

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