Graphic reconstruction of the path of the Chernobyl radioactive plume
In 2005, IRSN produced a simulation of the path travelled across Europe by the radioactive cloud folowing the Chernobyl accident.
This simulation was produced using a new generation of operational atmospheric dispersion models developed for use in case of nuclear emergency. To qualify this new long-distance dispersion model, IRSN experts applied it to the atmospheric release of caesium-137 caused by the Chernobyl accident, based on a reconstruction of the meteorological conditions observed in Europe in the days following the accident. The model calculated the distribution of air contamination at ground level on a European scale at 15-minute intervals, from 26th April to 10th May 1986. The computed results were then compared with actual measurements taken throughout Europe over the same period, showing satisfactory agreement between calculations and measured data.
Source: http://www.ratical.org/radiation/Cher...
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