Risk assessment and distribution research of radionuclide Cs-134 for typical fishing ground in the North Pacific Ocean
- DOI
- 10.2991/iceep-17.2017.119How to use a DOI?
- Keywords
- Fukushima accident; Radiation nuclide; North Pacific high seas; Neon flying squid; Evaluation
- Abstract
Using typical fish samples collected in the north Pacific on 2011 to 2012, adopting High Purity Germanium (High Purity Germanium) passive scale efficiency detect gamma spectrometer, radioactive nuclide 134Cs was detected in all samples. Using classification and sub-organs and other treatment methods to compare and analyses, we found that in 2011, the highest 134 Cs nuclide content is in the 155ø5'E, 42 ø 10' N stance, as high as 4.925 Bq kg-1; the lowest in 39 ø 51 '132 ø 44' E, N the waters of the sea, nuclide specific activity value does not exceed the bottom level. In the North Pacific ocean, the 134Cs's overall radionuclide content from south to north was decreasing. In 2012, the highest 134Cs nuclide content is in 58 'E, 43 ø 155 ø 34' N, 0.159 Bq kg-1; the lowest in 131 ø 47 'E 36 ø 50' N in sea waters position , the nuclide content in the high seas 134Cs showed a trend of increased distribution from west to east. From content distribution of two different tissues of the Neon flying squid, visceral is the highest enrichment of nuclide 134Cs and the head is lowest. According to the estimation results, the 134Cs Radionuclide concentrations and radiation increment now in the north Pacific are within an environmental safety concentration limits.
- Copyright
- © 2017, the Authors. Published by Atlantis Press.
- Open Access
- This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).
Cite this article
TY - CONF AU - Fenghua Tang AU - Shengmao Zhang AU - Xueseng Cui AU - Bianbian Zhang PY - 2017/06 DA - 2017/06 TI - Risk assessment and distribution research of radionuclide Cs-134 for typical fishing ground in the North Pacific Ocean BT - Proceedings of the 2017 6th International Conference on Energy and Environmental Protection (ICEEP 2017) PB - Atlantis Press SP - 669 EP - 674 SN - 2352-5401 UR - https://doi.org/10.2991/iceep-17.2017.119 DO - 10.2991/iceep-17.2017.119 ID - Tang2017/06 ER -