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The complexity of the weather situation after the end of the second ETEX experiment resulted in generally poor performances of the long-range dispersion models employed in the real-time simulation of the release. On the other hand, much more detailed meteorological information than those available to the real-time modellers were assembled in the course of the experiment and stored in a data bank. This has allowed the possibility of investigating with a much finer mesh interval the mesoscale flow in a few hundreds kilometres range from the source, using a model that could also take into account the terrain topography.

Additional information

Authors: BALLASIO R, ENVIROWARE srl, Milan (IT);BIANCONI R, ENVIROWARE srl, Milan (IT);MOSCA S, ENVIROWARE srl, Milan (IT);GIRARDI F, JRC Ispra (IT);GRAZIANI G, JRC Ispra (IT);KLUG W, Mittermayerweg 21, Darmstadt (DE)
Bibliographic Reference: Paper presented: 5th Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Rhodes (GR), 18-21 May 1998
Availability: Available from (1) as Paper EN 41369 ORA
Record Number: 199810701 / Last updated on: 1998-06-08
Original language: en
Available languages: en