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Updated: May 12, 2026

Laser-heating and Radiance Spectrometry for the Study of Nuclear Materials in Conditions Simulating a Nuclear Power Plant Accident
Published on: December 14, 2017
Estimation of the radioactive source dispersion from Fukushima nuclear power plant accident
Michael Schöppner1, Wolfango Plastino, Pavel Povinec
1University of Roma Tre, Department of Mathematics and Physics, Via della Vasca Navale 84, I-00146 Roma, Italy.
Abstract:
Following the Fukushima nuclear power plant accident detections of (133)Xe have been made in various locations. Using results of these remote measurements the Fukushima (133)Xe source term has been reconstructed and compared with previously reconstructed (137)Cs and (131)I source terms. The reconstruction is accomplished by applying atmospheric transport modeling and an adapted least square error method. The obtained results are in agreement with previous estimations of the Fukushima radionuclide source, and also serve as a proof of principle for source term reconstruction based on atmospheric transport modeling.
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