文献类型：期刊文献

英文题名：Distributions of environmental radionuclides in a marine core from the eastern continental shelf of Hainan Island, South China Sea and risk assessment

作者：Wang, Fengmei[1];Kong, Deming[3];Xu, Liqiang[1,2];Ji, Chao[1];Jiang, Lingling[1]

机构：[1]Hefei Univ Technol, Sch Resources & Environm Engn, Hefei 230009, Anhui, Peoples R China;[2]Chinese Acad Sci, State Key Lab Loess & Quaternary Geol, Inst Earth Environm, Xian 710061, Peoples R China;[3]Guangdong Ocean Univ, Coll Ocean & Meteorol, Zhanjiang 524088, Guangdong, Peoples R China

年份：2022

卷号：331

期号：1

起止页码：197

外文期刊名：JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

收录：SCI-EXPANDED(收录号：WOS:000715196000013)、、EI(收录号：20242616405407)、Scopus(收录号：2-s2.0-85118574696)、WOS

基金：This work was financially supported by the Fundamental Research Funds for the Central Universities (PA2021KCPY0047), the open research fund of the State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences (SKLLQG1929), and National Natural Science Foundation of China (41606070). Jianguo Liu and other team members helped sampling. Raw data for this study is available at public repository Zenodo: https://doi.org/10.5281/zenodo.5112050.

语种：英文

外文关键词：South China Sea; Marine sediments; Radionuclides; Radiological risk assessment

外文摘要：Several long half-life natural and anthropogenic radionuclides, including Cs-137, Ra-226, Th-232, and K-40, in a 45 cm-long sediment core collected from the east continental shelf of Hainan Island, South China Sea, have been analyzed. The results showed that mean activity of Cs-137, Ra-226, Th-232, and K-40 were 2.03 +/- 1.2, 20.4 +/- 1.8, 45.7 +/- 3.0, and 520.0 +/- 20.0 Bq/kg, respectively. Radium equivalent activity and External hazard index imply a low radiation, and the study area could serve as a background reference value for environmental radionuclides in east continental shelf of Hainan Island, South China Sea.