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Source Term Assessment from Off-Site Gamma Radiation Measurements

  • Bent Lauritzen
  • Martin Drews
Conference paper

During a nuclear accident in which radionuclides are released to the atmosphere automatic off-site gamma radiation measurements may be used to assess the source strength and the dispersion of radionuclides. In the following, a newly developed sequential data assimilation method for such on-line source term estimation is presented and results are shown using both real and simulated radiation data.1 The method is based on a discrete-time, stochastic state space model describing the dynamics of the significant plume parameters (the state variables) and their coupling to measurements through a non-linear atmospheric dispersion model.

Keywords

Atmospheric Dispersion Plume Height Atmospheric Dispersion Model Gaussian Plume Model State Space Parameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Bent Lauritzen
    • 1
  • Martin Drews
    • 1
  1. 1.Riso National LaboratoryRoskildeDenmark

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