Authors:
M. Yamada National Institute of Radiological Sciences Geochemical Research Section, Research Center for Radioecology Isozaki 3609 311-12 Hitachinaka, Ibaraki Japan

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Y. Nagaya National Institute of Radiological Sciences Geochemical Research Section, Research Center for Radioecology Isozaki 3609 311-12 Hitachinaka, Ibaraki Japan

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Abstract  

The surface seawater and marine organisms were collected on the Japanese coast and analyzed for their137Cs concentrations during the 1980's. The137Cs concentrations in surface seawater decreased almost exponentially with time and the137Cs removal rate constant was estimated to be 0.0445 y−1. The137Cs concentrations in marine organisms also decreased almost exponentially with time. The environmental half-lives of137Cs in muscle and viscera of fish, crustacea, and seaweed were estimated from the measured decreases of137Cs concentrations.

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation
1968
Volumes
per Year
1
Issues
per Year
12
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)