Sea Water and Sediment Radionuclides

Laptev Sea 1993 and Kara Sea 1992

Arctic Nuclear Waste Assessment Program 1996

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During the summer 1993 joint Russian-German expedition LAPEX-93 on board R/V Ivan Kireev, L.Bovkun, specialist of the Scientific-Production Association Typhoon, collected samples of the water and upper layer of the bottom sediment. From these samples, concentrations of anthrophogenic radionuclides Cesium-137 and Strontium-90 were determined.

[Nikitin,A., Vakulovsky,S., Bovkun,L. et al., Measurements of radionuclide concentrations in samples made by SPA "Typhoon", Preliminary Report of Expeditions to Taymir Peninsula and Laptev Sea in Summer 1993 on board R/V Ivan Kireev and R/I Polarstern in the frame of Program Russian-German Cooperation, Proc. AARI, 1993, 384 p. (in Russian)]

Figures of the distribution of Cs-137 and Sr-90 and analysis of possible reasons for the spatial variability of the concentrations of the radionuclides in water and sediments in the Laptev Sea were presented at the Third Workshop on Russian-German Cooperation: Laptev Sea System. The figures are included here.

[Pavlov,V.K., and Stanovoy,V.V. "About the Possible Reasons of Increased Concentrations of Radionuclides in the Laptev Sea", Terra Nostra, Heft 96/9, Third Workshop on Russian-German Cooperation: Laptev Sea System, AARI, October 16-19, 1996, p.84 by ed. H.Kassens, F.Lindemann & B.Rohr]

Figure 1 - Cs-137 Concentration in the Surface Water of the Laptev Sea, Summer 1993

Figure 2 - Cs-137 Concentration in the Upper 10cm of Sediment in the Laptev Sea, Summer 1993

Figure 3 - Sr-90 Concentration in the Surface Water of the Laptev Sea, Summer 1993

Figure 4 - Temperature and Salinity of the Surface Water of the Laptev Sea, Summer 1993


Values of Cesium-137 and Strontium-90 concentrations in the Laptev Sea were found to be comparable to measurements from the Kara Sea during summer 1992.

[Nikitin,A.I., and Foyn. A survey of artificial radionuclides in the Kara Sea. Results from the Russian-Norwegian 1992 expedition to the Barents and Kara Seas. Joint Russian Norwegian Expert Group for Investigation of Radioactive Contamination in the Northern Seas, Kirkenes, 1993, 69 p.]

Figure 5 - Concentration of Cs-137 and Sr-90 in the Surface Water of the Kara Sea, Summer 1992

Other Relevant References


Figure 1 - Distribution of the Cs-137 Concentration (Bq/cu.m) in the Surface Water of the Laptev Sea, Summer 1993

Vladimir Pavlov, AARI

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Figure 2 - Distribution of the Cs-137 Concentration (Bq/cu.m) in the Upper 10cm of Sediment in the Laptev Sea, Summer 1993

Vladimir Pavlov, AARI

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Figure 3 - Distribution of the Sr-90 Concentration (Bq/cu.m) in the Surface Water of the Laptev Sea, Summer 1993

Vladimir Pavlov, AARI

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Figure 4 - Distribution of the Temperature and Salinity in the Surface Water of the Laptev Sea, Summer 1993

Vladimir Pavlov, AARI

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Figure 5 - Distribution of the Concentration of Cs-137 and Sr-90 (Bq/cu.m) in the Surface Water of the Kara Sea, Summer 1992

Vladimir Pavlov, AARI

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Other Relevant References

[Timokhov,L.A. and Churun,V.N. Cold bottom water in the southern Laptev Sea, Scientific Results of the expedition LAPEX-93, Gidrometeoizdat, S.Petersburg, 1994, p.83-90 (in Russian)]

[Pivovarov,S.V. and Smagin,V.M. Hydrochemical studies in the Laptev Sea in summer of 1993, Scientific Results of the expedition LAPEX-93, Gidrometeoizdat, S.Petersburg, 1994, p.210-221 (in Russian)]

[Vanda,Yu.A. and Yulin,A.V. Seasonal variability features of ice conditions of the Laptev Sea in 1993, Scientific Results of the expedition LAPEX-93, Gidrometeoizdat, S.Petersburg, 1994, p.148-157 (in Russian)]

[Gorbunov,Yu.A. and Losev,S.M. Ice drift features in the northern region of the Laptev and the East-Siberian Seas and the adjacent Arctic Basin in July-September 1993, Scientific Results of the expedition LAPEX-93, Gidrometeoizdat, S.Petersburg, 1994, p.180-192 (in Russian)]

[Kulakov,M.Yu. and Pavlov,V.K. Modeling of the consequences of radioactive waste dumping from the Sellafield plant, Proc. AARI 1996, (in Russian, in press)]

[Pavlov,V.K. Seasonal variability of the water circulation in the Arctic Ocean, Proc. AARI 1996, (in Russian, in press)]

[Pavlov,V.K. and Stanovoy,V.V. To the problem of transfer of radionuclide pollution by sea ice, Proc. AARI 1996, (in Russian, in press)]

[Josefsson,D., Holm,E., et al. Anthropogenic radioactivity along the Russian coast. Preliminary results from the Swedish-Russian Tundra Ecology Expedition, 1994, Proc. Arctic Nuclear Waste Assessment Program Workshop, Woods Hole, May 1995]

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Please direct comments concerning the scientific content of this page to Dr. Vladimir K. Pavlov, Arctic and Antarctic Research Institute, St. Petersburg, Russia.

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Last Revised on January 31, 1997