RIMPUFF

RIMPUFF is a local-scale puff diffusion model developed by Risø National Laboratory, Denmark. [ [http://www.risoe.dk Risø National Laboratory website] ] It is an emergency response model to help emergency management organisations deal with chemical, nuclear, biological and radiological releases to the atmosphere.

RIMPUFF is in operational use in several European national emergency centres for preparedness and prediction of nuclear accidental releases (RODOS, EURANOS), chemical gas releases (ARGOS), and for airborne Foot-and Mouth Disease virus spread [ [http://www.defra.gov.uk/footandmouth/ The Foot and Mouth Disease] ]

Description

RIMPUFF builds from parameterized formulas for puff diffusion, wet and dry deposition, and gamma dose radiation. Its range of application covers distances up to ~1000 km from the point of release.

RIMPUFF calculates the instantaneous atmospheric dispersion taking into account the local wind variability and the local turbulence levels. The puff sizes represent instantaneous relative diffusion (no averaging) and is calculated from similarity scaling theory.Puff diffusion is patameterized for travel times in the range from a few seconds and up to ~1 day.

Wet and dry deposition is also calculated as a function of local rain intensity and turbulence levels.

ee also

* Compilation of atmospheric dispersion models
* UK Dispersion Modelling Bureau
* UK Atmospheric Dispersion Modelling Liaison Committee

Further reading

For those who are unfamiliar with air pollution dispersion modelling and would like to learn more about the subject, it is suggested that either one of the following books be read:

*cite book | author=Turner, D.B. | title=Workbook of atmospheric dispersion estimates: an introduction to dispersion modeling| edition=2nd Edition| publisher=CRC Press | year=1994 | id=ISBN 1-56670-023-X [http://www.crcpress.com/shopping_cart/products/product_detail.asp?sku=L1023&parent_id=&pc= www.crcpress.com]

References

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External links

* [http://pandora.meng.auth.gr/mds/qstart.php Model Documentation System] - a detailed catalogue of the models developed in Europe.

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