Long Term Temporal Changes of 90Sr and 137Cs in Seawater, Bottom Sediment and Marine Organism Samples – from the Chernobyl Accident to Immediately after the Fukushima Accident –

Title: Long Term Temporal Changes of ⁹⁰Sr and ¹³⁷Cs in Seawater, Bottom Sediment and Marine Organism Samples – from the Chernobyl Accident to Immediately after the Fukushima Accident –

Author: Shinji OIKAWA, Teruhisa WATABE, Hyoe TAKATA, Chiyoshi SUZUKI, Motokazu NAKAHARA, Jun MISONOO

Reference: BUNSEKI KAGAKU, Vol. 62 (2013) No. 6 p. 455-474

Doi:http://dx.doi.org/10.2116/bunsekikagaku.62.455

Keywords: radiochemistry, ⁹⁰Sr, ¹³⁷Cs, seawater, sediment, marine organism

Abstract: A radioactivity survey program was launched in 1983 to determine the background levels of artificial radionuclides, such as ⁹⁰Sr and ¹³⁷Cs in the marine environment off commercial nuclear power stations. In this paper, we report on the long-term temporal changes of ⁹⁰Sr and ¹³⁷Cs in seawater, bottom sediment and marine organism samples. Both ⁹⁰Sr and ¹³⁷Cs have been detected since the beginning of the program in the seawater samples.

ＵＲＬ：https://www.jstage.jst.go.jp/article/bunsekikagaku/62/6/62_455/_article/-char/ja/

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