Neman河颗粒物239,240Pu和137Cs输入库尔潟湖的评价

IF 0.3 4区物理与天体物理 Q4 PHYSICS, MULTIDISCIPLINARY

Lithuanian Journal of Physics Pub Date : 2023-05-31 DOI:10.3952/physics.2023.63.2.6

V. Romanenko, G. Lujaniene, S. Šemčuk, J. Mažeika, O. Jefanova

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引用次数: 0

摘要

Curonian泻湖是一个独特的系统，是一个临时蓄水池，积聚了河流径流中约62%的悬浮固体。Neris河水中悬浮颗粒物中钚的平均活度为0.26±0.02 Bq/kg，137Cs的活度范围为23±8至49±12 Bq/kg。颗粒物和溶解物向Curonian泻湖的平均137Cs通量估计为（78±61）×109Bq/年。初步估计，尼曼河向库伦泻湖的239240Pu年输入量约为0.9 GBq，其中0.56 GBq积聚在泻湖沉积物中。

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Assessment of the input of particulate 239,240Pu and 137Cs from the Neman River into the Curonian Lagoon

The Curonian Lagoon is a unique system that is a temporary reservoir of water, accumulating about 62% of the suspended solids in the river runoff. The average activity of plutonium in the suspended particulate matter in the water of the Neris River was 0.26±0.02 Bq/kg, and the activity of 137Cs ranged from 23±8 to 49±12 Bq/kg. The average 137Cs flux to the Curonian Lagoon in the particulate and dissolved species was estimated to be (78±61) × 109 Bq/year. Preliminary estimates indicate that the annual input of 239,240Pu from the Neman River into the Curonian Lagoon is about 0.9 GBq, of which 0.56 GBq accumulates in the sediment of the lagoon.

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来源期刊

Lithuanian Journal of Physics 物理-物理：综合

CiteScore

0.90

自引率

16.70%

发文量

审稿时长

>12 weeks

期刊介绍： The main aim of the Lithuanian Journal of Physics is to reflect the most recent advances in various fields of theoretical, experimental, and applied physics, including: mathematical and computational physics; subatomic physics; atoms and molecules; chemical physics; electrodynamics and wave processes; nonlinear and coherent optics; spectroscopy.