Polonium-210 accumulates in a lake receiving coal mine discharges—anthropogenic or natural?

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• 作者：A.W. Nelson^a ; ^{andrew-w-nelson@uiowa.edu} ; E.S. Eitrheim^a ; ^{eric-eitrheim@uiowa.edu} ; A.W. Knight^a ; ^{andrew-knight@uiowa.edu} ; D. May^b ; ^c ; ^{dustin-may@uiowa.edu} ; M.D. Wichman^d ; ^{michael-wichman@uiowa.edu} ; T.Z. Forbes^a ; ^{tori-forbes@uiowa.edu} ; M.K. Schultz^a ; ^b ; ^c ; ^e ; ^{michael-schultz@uiowa.edu}
• 关键词：Coal ; Polonium-210 ; Lead-210 ; Lake ; NORM
• 刊名：Journal of Environmental Radioactivity
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：167
• 期：Complete
• 页码：211-221
• 全文大小：1860 K
• 卷排序：167

文摘

210Po accumulates in lake bottom sediments downstream of water treatment facility. 210Po approximately 10-fold higher than parent 238U. Increased levels of 210Po appear to be a natural phenomenon. More studies are needed to understand the bioaccumulation pathways of 210Po.