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DOI10.1016/j.marpolbul.2020.111040
Baseline survey of sediment contamination with 210Polonium in three peri-urban creeks of Mombasa; Kenya
Okuku E.O.; Kiteresi L.I.; Wanjeri V.O.; Owato G.O.
发表日期2020
ISSN0025326X
卷号154
英文摘要210Po in marine sediment from three peri-urban creeks in Mombasa was analyzed by alpha spectrometry in order to determine its baseline contamination levels. The mean 210Po activity in marine sediment from Mtwapa, Tudor and Makupa creeks were 18.67 ± 1.8, 21.17 ± 2.2 and 13.09 ± 1.6 Bq Kg−1 dw, for surface sediment and 37.56 ± 2.14, 28.64 ± 2.86 and 30.42 ± 2.1 Bq Kg−1 dw respectively, for sediment cores. Comparison of 210Po activity in surface sediment indicated that 210Po in the creeks could be originating from the same source. However, comparison of activities in the entire cores from the three creeks indicated that 210Po sources could have been different in the past. 210Po activities in this study were relatively elevated compared to marine environments under similar anthropogenic influence and there is need to understand its source and fate. © 2020 Elsevier Ltd
英文关键词210Po; Activity; Alpha-spectrometry; Pollution; Sediment
语种英语
scopus关键词Alpha particle spectrometers; Pollution; Sediments; Spectrometry; Submarine geology; Surficial sediments; Thermodynamic properties; Alpha spectrometry; Anthropogenic influence; Contamination levels; Marine environment; Marine sediments; Sediment contamination; Surface sediments; ^210Po; Marine pollution; organic matter; polonium; periurban area; polonium isotope; sediment pollution; spectrometry; survey; alpha spectrometry; Article; bioaccumulation; comparative study; concentration (parameter); controlled study; environmental impact assessment; Kenya; marine environment; moisture; particle size; pollution monitoring; radioactive contamination; radioactivity; sediment; sedimentation rate; surface property; urban area; water contamination; water pollution indicator; questionnaire; radiation monitoring; sediment; water pollutant; Kenya; Mombasa [Kenya]; Geologic Sediments; Kenya; Polonium; Radiation Monitoring; Surveys and Questionnaires; Water Pollutants, Radioactive
来源期刊Marine Pollution Bulletin
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/149060
作者单位Kenya Marine and Fisheries Research Institute, P.O. Box 81651, Mombasa, Kenya
推荐引用方式
GB/T 7714
Okuku E.O.,Kiteresi L.I.,Wanjeri V.O.,et al. Baseline survey of sediment contamination with 210Polonium in three peri-urban creeks of Mombasa; Kenya[J],2020,154.
APA Okuku E.O.,Kiteresi L.I.,Wanjeri V.O.,&Owato G.O..(2020).Baseline survey of sediment contamination with 210Polonium in three peri-urban creeks of Mombasa; Kenya.Marine Pollution Bulletin,154.
MLA Okuku E.O.,et al."Baseline survey of sediment contamination with 210Polonium in three peri-urban creeks of Mombasa; Kenya".Marine Pollution Bulletin 154(2020).
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