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Low wind conditions are frequent at the Joint Research Centre of Ispra, which is located at the Northern tip of the Po valley. During these conditions, tracer releases have been performed with the source at ground level. The results of the measurements have been analysed and the simulation of the puff behaviour has been performed, using a segmented Gaussian plume model, as well as an improved Monte Carlo Lagrangian computer code with micrometeorological parameters obtained from the stations in the Centre. In general, the agreement between calculated and experimental results can be considered satisfactory.

Additional information

Authors: GRAZIANI G, JRC Ispra, 21020 Ispra (VA) (IT);MAINERI M, JRC Ispra, 21020 Ispra (VA) (IT)
Bibliographic Reference: Paper presented: EURASAP Meeting "Atmospheric Dispersion in Low Windspeeds and Foggy Conditions", Torino (IT), Sept. 5-7, 1989
Availability: Available from (1) as Paper EN 34943 ORA
Record Number: 198911142 / Last updated on: 1994-12-01
Original language: en
Available languages: en