A probabilistic dispersion model applied to the long-range transport of radionuclides from the Chernobyl accident

B. Lauritzen; T. Mikkelsen

doi:10.1016/S1352-2310(99)00108-9

A probabilistic dispersion model applied to the long-range transport of radionuclides from the Chernobyl accident

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Abstract

Long-range atmospheric transport of radionuclides from the Chernobyl accident is modelled as an Eulerian diffusion process. From observations of the gross deposition pattern of particulate radiocaesium an effective long-range Eddy diffusivity K of the order of 10(6) m(2) s(-1) is inferred. A corresponding effective deposition length for caesium, R-Cs, defined las the effective distance from Chernobyl to where the aerosols have been deposited, is found to be R-Cs approximate to 1000 km. From the observations of the regional variability of the Chernobyl fallout a simple probabilistic assessment method is proposed for the long-range radiological consequences of nuclear accidents. (C) 1999 Elsevier Science Ltd. All rights reserved.

Original language	English
Journal	Atmospheric Environment
Volume	33
Issue number	20
Pages (from-to)	3271-3279
ISSN	1352-2310
DOIs	https://doi.org/10.1016/S1352-2310(99)00108-9
Publication status	Published - 1999

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title = "A probabilistic dispersion model applied to the long-range transport of radionuclides from the Chernobyl accident",

abstract = "Long-range atmospheric transport of radionuclides from the Chernobyl accident is modelled as an Eulerian diffusion process. From observations of the gross deposition pattern of particulate radiocaesium an effective long-range Eddy diffusivity K of the order of 10(6) m(2) s(-1) is inferred. A corresponding effective deposition length for caesium, R-Cs, defined las the effective distance from Chernobyl to where the aerosols have been deposited, is found to be R-Cs approximate to 1000 km. From the observations of the regional variability of the Chernobyl fallout a simple probabilistic assessment method is proposed for the long-range radiological consequences of nuclear accidents. (C) 1999 Elsevier Science Ltd. All rights reserved. ",

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T1 - A probabilistic dispersion model applied to the long-range transport of radionuclides from the Chernobyl accident

AU - Lauritzen, B.

AU - Mikkelsen, T.

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N2 - Long-range atmospheric transport of radionuclides from the Chernobyl accident is modelled as an Eulerian diffusion process. From observations of the gross deposition pattern of particulate radiocaesium an effective long-range Eddy diffusivity K of the order of 10(6) m(2) s(-1) is inferred. A corresponding effective deposition length for caesium, R-Cs, defined las the effective distance from Chernobyl to where the aerosols have been deposited, is found to be R-Cs approximate to 1000 km. From the observations of the regional variability of the Chernobyl fallout a simple probabilistic assessment method is proposed for the long-range radiological consequences of nuclear accidents. (C) 1999 Elsevier Science Ltd. All rights reserved.

AB - Long-range atmospheric transport of radionuclides from the Chernobyl accident is modelled as an Eulerian diffusion process. From observations of the gross deposition pattern of particulate radiocaesium an effective long-range Eddy diffusivity K of the order of 10(6) m(2) s(-1) is inferred. A corresponding effective deposition length for caesium, R-Cs, defined las the effective distance from Chernobyl to where the aerosols have been deposited, is found to be R-Cs approximate to 1000 km. From the observations of the regional variability of the Chernobyl fallout a simple probabilistic assessment method is proposed for the long-range radiological consequences of nuclear accidents. (C) 1999 Elsevier Science Ltd. All rights reserved.

KW - Nuklear sikkerhed

U2 - 10.1016/S1352-2310(99)00108-9

DO - 10.1016/S1352-2310(99)00108-9

M3 - Journal article

SN - 1352-2310

VL - 33

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EP - 3279

JO - Atmospheric Environment

JF - Atmospheric Environment

IS - 20

ER -

A probabilistic dispersion model applied to the long-range transport of radionuclides from the Chernobyl accident

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