Investigations of natural and artificial radioactive isotopes in seawater and sediments in the Yellow Sea and adjacent southeast area

Li Peiquan; Yu Yinting

doi:10.1007/BF02843833

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Investigations of natural and artificial radioactive isotopes in seawater and sediments in the Yellow Sea and adjacent southeast area

Updated：2023-05-16

- Investigations of natural and artificial radioactive isotopes in seawater and sediments in the Yellow Sea and adjacent southeast area
- Journal of Oceanology and Limnology Vol. 10, Issue 4, Pages: 325-330(1992)
- Affiliations：
  
  Institute of Oceanology
- Author bio：
- Funds：
- DOI：10.1007/BF02843833
  CLC：
- Published：1992
- Accepted：
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Peiquan, L., Yinting, Y. Investigations of natural and artificial radioactive isotopes in seawater and sediments in the Yellow Sea and adjacent southeast area., Chin. J. Ocean. Limnol. 10, 325–330 (1992). https://doi.org/10.1007/BF02843833
DOI：

Peiquan, L., Yinting, Y. Investigations of natural and artificial radioactive isotopes in seawater and sediments in the Yellow Sea and adjacent southeast area., Chin. J. Ocean. Limnol. 10, 325–330 (1992). https://doi.org/10.1007/BF02843833 DOI：

摘要

Abstract

Investigations of natural and artificial radioisotopes including90Sr

137Cs

gross β and U carried out in the Yellow Sea and adjacent southeast area in 1963

1964

1975 and 1978 showed that radioactive pollution by90Sr and137Cs from atmospheric fallout had gradually decreased with time due to the cessation of atmospheric nuclear weapons tests in the 70s. The distributions of natural and artificial radioactive isotopes (U

40K and137Cs) in sediments southwest of Jizhou Island were uniform. The more uniform may be related to the soluble species of U[Uo2(Co3)4] in the seawater. The high value of Th at stations 3 and 6 was related to the sandy clay sediment; the low value at station 8 was related to sandy sediment. The content of137Cs in the eddy area being less than about half of that in the China inshore area showed that the source of137Cs may be insufficient orthat the conditions for enriching137Cs in the circulation eddy area were not favorable.

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references

Li Peiquan Zhu Xiaobin, Wang Pinai et al., 1982. The content of uranium in seawater in the East China Sea Continental Shelf.Oceanologia et Limnologia Sinica 13 (6): 514–522. (in Chinese with English abstract)

Li Peiquan and Yu Yinting, 1982. The contents of strontium-90 in surface seawater in the East China Sea and adjacent region.Transaction of Oceanology and Limnology 3: 18–22. (in Chinese with English abstract).

Li Peiquan and Li Jinling. 1981. The determination of Sr−90 and gross beta in surface seawater in the Chinese Coast.Oceanologia et Limnologia Sinica 12 (4): 332–340. (in Chinese with English abstract).

Li Peiquan, Li Xiuxia, Qian Xingzhen et al., 1984. Neutron activation analysis and geochemistry of element in the sediment in edge area of eddy in the northern East China Sea.Transactions of Oceanology and Limnology 2: 27–34. (inChinese with English abstract).

Volchok, H. L., V. T. Bowen, T. R. Folsom et al., 1971. Oceanic distribution of radionuclides from nuclear explosions.In: Radioactivity in the Marine Environment, ed., by Seymour, NAS, Wash. pp. 42–89.

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