Transfer of radionuclides in aquatic ecosystems -: Default concentration ratios for aquatic biota in the Erica Tool

被引：101

作者：

Hosseini, A. ^{[1
]}

Thorring, H. ^{[1
]}

Brown, J. E. ^{[1
]}

Saxen, R. ^{[2
]}

Ilus, E. ^{[2
]}

机构：

[1] Norwegian Radiat Protect Author, Dept Emergency Preparedness & Environm Radioact, NO-1332 Osteras, Norway

[2] Radiat & Nucl Safety Author STUK, Helsinki 00881, Finland

来源：

JOURNAL OF ENVIRONMENTAL RADIOACTIVITY | 2008年 / 99卷 / 09期

关键词：

concentration ratio; concentration factor; aquatic biota; transfer parameters;

D O I：

10.1016/j.jenvrad.2008.01.012

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The process of assessing risk to the environment following a given release of radioactivity requires the quantification of activity concentrations in environmental media and reference organisms. The methodology adopted by the ERICA Integrated Approach involves the application of concentration ratios (CR values) and distribution coefficients (K-d values) for aquatic systems. Within this paper the methodologies applied to derive default transfer parameters, collated within the ERICA Tool databases, are described to provide transparency and traceability in the documentation process. Detailed information is provided for the CR values used for marine and freshwater systems. Of the total 372 CR values derived for the marine ecosystem, 195 were identified by literature review. For the freshwater system, the number of values based on review was less, but still constituted 129 from a total of 372 values. In both types of aquatic systems, 70-80% of the data gaps have been filled by employing "preferable" approaches such as those based on substituting values from taxonomically similar organisms or biogeochemically similar elements. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1408 / 1429

页数：22

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