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A New Trajectory Model and Its Practical Application for Accident and Risk Assessments

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Part of the book series: NATO · Challenges of Modern Society ((NATS,volume 3))

Abstract

Since the conventional straight-line Gaussian diffusion model is only applicable to environmental exposure calculations under constant meteorological diffusion conditions and as the so-called advanced diffusion models are, as a rule,not suited because

  • they are not (or insufficiently) calibrated and validated

  • the required input parameters such as vertical wind and temperature profiles are difficult to obtain

  • a classification according to diffusion categories is problematic

  • the diffusion and weather march statistics required for important ranges of application are lacking

  • the evaluation requires a sophisticated numerical integration,

we have extended the Gaussian diffusion model to cover non-stationary diffusion conditions in a so-called volume source model, which permits calculation of the environmental exposure due to released pollutant puffs taking account of the change in wind velocity, wind direction, diffusion category and precipitation intensity during transport, using customary diffusion parameters and the diffusion as well as weather march statistics available for many sites.

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References

  • K.J. Vogt, J. Straka, H. Geiss, An Extension of the Gaussian Plume Model for the Case of Changing Weather Conditions, 10th International Technical Meeting on Air Pollution Modeling and its Application, NATO/CCMS Air Pollution Pilot Study, 23./26.10.1979, Rome.

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  • J. Straka, H. Geiss, K.J. Vogt, Diffusion of Waste Air Puffs and Plumes under Changing Weather Conditions, Beitr.z.Phys.d.Atm. 54: 207 (1981).

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  • H.D. Brenk, K.J. Vogt, The Calculation of Wet Deposition from Radioactive Plumes, Nuclear Safety 22: 362 (1981).

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  • F. Rohloff, E. Brunen, H.D. Brenk, H. Geiss, K.J. Vogt, LIGA, ein Programm zur Berechnung der lokalen individuellen Gammasubmersionsdosis durch Abluftfahnen aus kerntechnischen Anlagen, Jü1–1577 (1979).

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  • Abschlussbericht von Phase I des Projekts Sicherheitsstudien Entsorgung, PSE-Report (in preparation).

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© 1983 Plenum Press, New York

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Vogt, K.J., Geiß, H., Straka, J. (1983). A New Trajectory Model and Its Practical Application for Accident and Risk Assessments. In: De Wispelaere, C. (eds) Air Pollution Modeling and Its Application II. NATO · Challenges of Modern Society, vol 3. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-7941-6_21

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  • DOI: https://doi.org/10.1007/978-1-4684-7941-6_21

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-7943-0

  • Online ISBN: 978-1-4684-7941-6

  • eBook Packages: Springer Book Archive

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