波罗的海沉积物中的碳和钚同位素。
Carbon and Pu isotopes in Baltic Sea sediments.
作者信息
Lujanienė G, Povinec P P, Li H-C, Barisevičiūtė R, Remeikaitė-Nikienė N, Malejevas V, Garnaga-Budrė G, Terrassi F, Pánik J, Kaizer J, Šemčuk S, Jokšas K, Tracevičienė D, Stankevičius A
机构信息
SRI Center for Physical Sciences and Technology, Vilnius, Lithuania.
Comenius University, Faculty of Mathematics, Physics and Informatics, Bratislava, Slovakia.
出版信息
Appl Radiat Isot. 2017 Aug;126:49-53. doi: 10.1016/j.apradiso.2017.02.026. Epub 2017 Feb 20.
Distributions of Cs, Pu, ΔC and δC measured in sediments indicated low Cs and Pu activities in the Curonian Lagoon and higher levels in the open Baltic Sea. Depleted δC values were found in the Curonian Lagoon as compared with the open Baltic Sea, while the most depleted ΔC values were found in the Gotland Deep. The global fallout Pu dominated in the deeper zones of the Baltic Sea, while higher Pu/Pu atom ratios were characteristic of the coastal regions.
沉积物中测得的铯、钚、ΔC和δC分布表明，库尔斯沙嘴泻湖中的铯和钚活度较低，而波罗的海开阔海域中的铯和钚活度较高。与波罗的海开阔海域相比，库尔斯沙嘴泻湖中的δC值较低，而哥特兰海沟中的ΔC值最低。全球沉降钚在波罗的海较深区域占主导地位，而沿海地区的钚/钚原子比更高。
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