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This report presents the preliminary results of a model intercomparison exercise based on the ground level concentration evolution consequent to the 23 October 1994 ETEX tracer release performed in North-West France. The three hour average observed values, measured at over one hundred stations for a period of sixty hours, have been compared with predictions made by real-time long-range dispersion models at the same points in space and time. Twenty-eight models from twenty-four separate organisations, mainly national meteorological services and nuclear safety institutions, participated in the exercise. The models used various information concerning the forecasted circulation patterns over Europe in the two-and-a-half days following release, in order to run their long-range dispersion models.

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Authors: ARCHER G, JRC Ispra (IT);GIRARDI F, JRC Ispra (IT);GRAZIANI G, JRC Ispra (IT);MOSCA S, JRC Ispra (IT);NODOP K, JRC Ispra (IT);KLUG W, Institut für Meteorologie, Darmstadt (DE)
Bibliographic Reference: Paper presented: 21st International Technical Meeting on Air Pollution Modelling and its Application, Baltimore (US), November 6-10, 1995
Availability: Available from (1) as paper EN 39360 ORA
Record Number: 199511636 / Last updated on: 1995-12-12
Original language: en
Available languages: en