CMAQ (Community multi-scale air quality) atmospheric dispersion model adaptation for Hungary

Dora Lazar, T. Weidinger

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Up to our days it has become more important to measure and predict the concentration of atmospheric pollutants – harmful contaminants such as dust, aerosol particles of different sizes, nitrogen compounds, and ozone. The Weather Research and Forecasting (WRF) model has been applied at the Department of Meteorology at Eötvös Loránd University for several years now. This model is suitable for weather forecasting purpose and may also provide input data for various environmental simulation softwares (e.g. DNDC, AERMOD). By adapting the CMAQ (Community Multi-scale Air Quality) model we have implemented a coupled air-quality – meteorological environmental model system, primarily for the representation of atmospheric ozone. The modular structure of the CMAQ allows successful and fast simulations with different scales from global to local. In our present investigation it is important to apply different scale emission databases and describe the initial distribution of pollutants using a background model. We are going to adapt CMAQ model to Hungary. The meteorological parameters are the primary physical forces in the atmosphere. We used WRF model in order to generate the meteorological driver database and the so-called SMOKE model for the generation of the input emission database. WRF/CMAQ model system has been run on a three-level one-way nested grid of 108/36/12 km grid spacing, covering Central Europe, the Carpathian Basin and Hungary, respectively. We used the CMAQ 5.0.1 version which includes i) an updated version of the carbon bond “CB05” gas-phase mechanism (with active chlorine chemistry and updated toluene mechanism), ii) sixth-generation aerosol mechanism (with sea salt and specialized PM among others), iii) Cloud module, etc. For better quality simulations we used the Geos-Chem model results as initial and boundary conditions. We studied ozone forecasts for Hungary based on different model settings and transition time using several verification methods. This paper presents the outline of the project work and the first results of concentration calculations compared to the national ambient air stations data.

Original languageEnglish
Title of host publicationHARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings
PublisherHungarian Meteorological Service
Pages110-116
Number of pages7
Volume2016-May
ISBN (Electronic)9789639931107
Publication statusPublished - Jan 1 2016
Event17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2016 - Budapest, Hungary
Duration: May 9 2016May 12 2016

Other

Other17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2016
CountryHungary
CityBudapest
Period5/9/165/12/16

Fingerprint

Air Quality
Air quality
air quality
Weather
Forecasting
Ozone
Model
Aerosol
Pollutants
weather
Aerosols
Community
ozone
aerosol
Weather forecasting
Grid
simulation
Nitrogen compounds
Meteorology
weather forecasting

Keywords

  • Air-quality modelling
  • CMAQ
  • Emission
  • Model adaptation
  • Ozone
  • SMOKE
  • WRF

ASJC Scopus subject areas

  • Atmospheric Science
  • Pollution
  • Modelling and Simulation

Cite this

Lazar, D., & Weidinger, T. (2016). CMAQ (Community multi-scale air quality) atmospheric dispersion model adaptation for Hungary. In HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings (Vol. 2016-May, pp. 110-116). Hungarian Meteorological Service.

CMAQ (Community multi-scale air quality) atmospheric dispersion model adaptation for Hungary. / Lazar, Dora; Weidinger, T.

HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings. Vol. 2016-May Hungarian Meteorological Service, 2016. p. 110-116.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Lazar, D & Weidinger, T 2016, CMAQ (Community multi-scale air quality) atmospheric dispersion model adaptation for Hungary. in HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings. vol. 2016-May, Hungarian Meteorological Service, pp. 110-116, 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, HARMO 2016, Budapest, Hungary, 5/9/16.
Lazar D, Weidinger T. CMAQ (Community multi-scale air quality) atmospheric dispersion model adaptation for Hungary. In HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings. Vol. 2016-May. Hungarian Meteorological Service. 2016. p. 110-116
Lazar, Dora ; Weidinger, T. / CMAQ (Community multi-scale air quality) atmospheric dispersion model adaptation for Hungary. HARMO 2016 - 17th International Conference on Harmonisation within Atmospheric Dispersion Modelling for Regulatory Purposes, Proceedings. Vol. 2016-May Hungarian Meteorological Service, 2016. pp. 110-116
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