Structure of the specific activity fields of man-made radionuclides extracted from the surface waters of the baltic sea in autumn of 1986 and 1987

Styro, D. B.; Bumyalene, Zh. V.; Kadzhene, G. I.; Kleiza, I. V.; Lukinskene, M. V.; Pogrebnyak, E. V.

doi:10.1007/bf02069717

Cited by 7 publications

(4 citation statements)

References 1 publication

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“…Some results were obtained in Nida too. As far as the global fallout of 137 Cs onto the surface of the Baltic Sea was nonhomogeneous [6], thus to the period of 1989-1990 the process of levelling of VA of the mentioned radionuclide was over. The 137 Cs VA field change in the surface waters of the Baltic Sea occurred under the effect of meteorological situations and the process of turbulent diffusion.…”

Section: Measurement Results and Their Analysismentioning

confidence: 99%

“…After the accident at the Chernobyl Power Plant (ChPP) in 1986, an average 137 Cs volumetric activity (VA) in the surface waters of the Baltic Sea grew by more than an order of magnitude [4][5][6][7][8][9][10] relative to the radioactive background (12 Bq/m 3 ) formed after nuclear tests in the atmosphere [1,2]. In 1986 a growth in the VA of artificial radionuclides was also observed [11], but the surface waters of the Baltic Sea were practically purified from these radionuclides within rather short periods [2].…”

Section: Introductionmentioning

confidence: 99%

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Comparison and Analysis of Investigation Results on Volumetric Activity of 137cs at the Baltic Sea Coast in 2003–2005

Styro

Morkūnienė

Astrauskiene

et al. 2007

Journal of Environmental Engineering and Landscape Management

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Measurements of 137Cs volumetric activity (VA) in coastal waters of the Baltic Sea (near Juodkrante) were carried out in 2005. The highest values occurred in springtime; later they decreased, and in the summer‐autumn period approximate homogeneous values of 137Cs varied in the range of 41–57 Bq/m3, and the lowest values were observed in autumn. Comparison of these values with analogous data obtained in 2003 and 2004 was carried out. The highest average annual value of 63 Bq/m3 is proved to be in 2004. Furthermore, that year the greatest 137Cs volumetric activity variations in the range of 49–91 Bq/m3 were observed. These variations are related to possible appearance of additional sources of radioactive contamination in the sea. Evidently, such sources did not exist in 2005, when a satisfactory coincidence of measured and calculated results was obtained.

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Section: Measurement Results and Their Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparison and Analysis of Investigation Results on Volumetric Activity of 137cs at the Baltic Sea Coast in 2003–2005

Styro

Morkūnienė

Astrauskiene

et al. 2007

Journal of Environmental Engineering and Landscape Management

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“…The process was observed up to 1986. The average activity concentrations of 137 Cs and 90 Sr in the seawater until 1986 were 12 Bq·m -3 and 24 Bq·m -3 , respectively (Styro et al, 1990).…”

Section: Review Of Literaturementioning

confidence: 94%

“…After the accident, an average activity concentration of 137 Cs in the surface waters of the Baltic Sea grew by more than an order of magnitude relative to the radioactive background (12 Bq·m -3 ) formed after nuclear weapons tests in the atmosphere (Styro et al, 1990). According to data calculations (HELCOM, 2013), direct input of 137 Cs into the Baltic Sea from ChNPP accident was estimated to be 4700 TBq.…”

Section: Review Of Literaturementioning

confidence: 99%

Assessment of the External Exposure Dose to Humans From 137cs and 90sr in the Coastal Waters of the Baltic Sea Near Lithuania

Daunaravičienė¹,

Jasaitis²

2017

Appl Ecol Env Res

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Abstract. At present the Baltic Sea is considered to be the most contaminated with anthropogenic radionuclides in comparison to any other part of the World Ocean. Anthropogenic radionuclides (mainly 137 Cs and 90 Sr) found in the seawater are sources of the external exposure that contributes to the total radiation exposure to humans. The variations of activity concentrations of 137 Cs and 90 Sr in the water of the Baltic Sea near Lithuanian coast in 1985-2013 were analyzed. External exposure dose from these radionuclides to humans due to immersion in the seawater were calculated using the results of the measurements. An average external exposure dose from 137 Cs ranged between 6.28 nSv·h -1 to 1.5 nSv·h -1 , from 90 Sr -between 1.73 nSv·h -1 to 0.53 nSv·h -1 .

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Distribution of the volume activity of man-made radionuclides in the surface waters and depth waters of the Baltic Sea in the fall of 1989

Styro¹,

Bumyalene²,

Kadzhene³

et al. 1992

At Energy

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Structure of the specific activity fields of man-made radionuclides extracted from the surface waters of the baltic sea in autumn of 1986 and 1987

Cited by 7 publications

References 1 publication

Comparison and Analysis of Investigation Results on Volumetric Activity of 137cs at the Baltic Sea Coast in 2003–2005

Comparison and Analysis of Investigation Results on Volumetric Activity of 137cs at the Baltic Sea Coast in 2003–2005

Assessment of the External Exposure Dose to Humans From 137cs and 90sr in the Coastal Waters of the Baltic Sea Near Lithuania

Distribution of the volume activity of man-made radionuclides in the surface waters and depth waters of the Baltic Sea in the fall of 1989

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