Tracing radioactivity from Fukushima in the Northern Pacific Ocean
Aoyama, M.; Hult, M.; Hamajima, Y.; Lutter, G.; Marissens, G.; Stroh, H.; Tzika, F. (2016). Tracing radioactivity from Fukushima in the Northern Pacific Ocean. Appl. Radiat. Isot. 109: 435-440. dx.doi.org/10.1016/j.apradiso.2015.11.103
In: Applied Radiation and Isotopes. Elsevier: Amsterdam. ISSN 0969-8043; e-ISSN 1872-9800, more
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| Author keywords |
Ocean currents; Oceanography; Underground laboratory; Plankton;Underground laboratory; Gamma-ray spectrometry |
| Authors | | Top |
- Aoyama, M.
- Hult, M., more
- Hamajima, Y.
- Lutter, G.
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- Marissens, G.
- Stroh, H.
- Tzika, F.
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| Abstract |
Following the accident at the Fukushima Daiichi nuclear power plant, a campaign of sampling and measuring anthropogenic radionuclides in North Pacific seawater was set up. The main aim was to study natural processes using these radionuclides as tracers. Because of dilution, the activities of anthropogenic radionuclides at long range were very low and their measurement required advanced pre-concentration techniques and underground gamma-ray spectrometry. Data and metrological aspects of the measurements using HPGe-detectors are presented and discussed. (C) 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
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