Abstract
Atmospheric pollutant impacts may be evaluated through the use of dispersion models, usually based on averaging times of 1 h. However, some scenarios may require shorter time lapses, as it is the case of odour impact evaluations. Version 6 of the CALPUFF modeling system, which allows the use of sub-hourly temporal resolution, coupled with the mesoscale prognostic model RAMS has been used to simulate the impacts of the odour emissions from a paper mill in a highly urbanized area located several kilometers downwind at the seaside in a mountainous region. A selection of consecutive days under anticyclonic conditions have been simulated using a maximum resolution of 10 min. Thirteen odour sources have been considered, including point, volume and area sources. The preliminary results show that 10 min maximum concentrations can duplicate those of the hourly simulations over wide areas of the study region. Our sub-hourly results show a better agreement with data from field olfactometry.
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Acknowledgements
We wish to thank the Basque Government and the paper mill management staff for providing data. We also thank the Basque Government (Euskoiker Foundation Reference PT10291) and the University of the Basque Country UPV/EHU (GIA 13/03) for their financial support.
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Valdenebro, V. et al. (2018). The Impact of Sub-hourly Meteorology on the Estimation of Odour Concentrations from an Industrial Source in Complex Terrain. In: Mensink, C., Kallos, G. (eds) Air Pollution Modeling and its Application XXV. ITM 2016. Springer Proceedings in Complexity. Springer, Cham. https://doi.org/10.1007/978-3-319-57645-9_73
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DOI: https://doi.org/10.1007/978-3-319-57645-9_73
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