BREEZE Software and Data are happy to announce the release of BREEZE AERMOD 7. This is a major update to the market leading air quality dispersion modeling system based on the U.S. EPA air disperison model, AERMOD. This update incorporates numerous features and functionality designed to make novice and expert modelers alike more productive.
BREEZE makes AERMOD 7 available in three editions: * AERMOD Standard (free to those who take the AERMOD Computer Lab or Practical Air Dispersion Modeling course) * AERMOD Professional (Pro) (free upgrade to all BREEZE AERMOD GIS Pro users with current maintenance) * AERMOD Pro Plus
A journal article by CERC authors describes the implementation of a NOx chemistry scheme in AERMOD which uses similar reactions and an analogous calculation method to the ADMS GRS chemistry. The new chemistry scheme, ADMSM, shows good performance when compared to measurements from five validation studies. The NO2 predicted by ADMSM has increased consistency with modelled NOx compared to the OLM or PVMRM approaches in AERMOD. The figure shows a comparison of predicted average hourly NO2 to NOx ratios against the...
There is a new version of ADMS 5 available, which is a minor update to version 5.2. The new release includes the latest versions of AERMOD (18081), AERMAP (18081) and AERMET (18081) as released by the US-EPA. View the readmedocument for further details about the update. Current users should login to the User Area to download the patch. This patch can be applied to ADMS 5.2, 5.2.1 or 5.2.2.
Two papers from CERC authors have recently been published in the International Journal of Environment and Pollution, as part of a special issue from HARMO17. The first paper (Stocker et al. 2017, doi 10.1504/IJEP.2017.10010380) concerns the review of dispersion modelling of agricultural emissions with non-point sources, using the ADMS and AERMOD models to examine dispersion of emissions from typical agricultural sources and a specific case study. This expands on work originally carried out for ADMLC. A figure...
A journal article by CERC authors describes the implementation of a NOx chemistry scheme in AERMOD which uses similar reactions and an analogous calculation method to the ADMS GRS chemistry. The new chemistry scheme, ADMSM, shows good performance when compared to measurements from five validation studies. The NO2 predicted by ADMSM has increased consistency with modelled NOx compared to the OLM or PVMRM approaches in AERMOD. The figure shows a comparison of predicted average hourly NO2 to NOx ratios against the...
The U.S. National Ambient Air Quality Standards (NAAQS) for 1-hour SO2, 1-hour NO2, and 24-hour PM2.5 use a very particular format. It is very important for all modelers (both within and outside of the U.S.) to understand how AERMOD handles this. In particular, U.S. users need to be familiar with the special tools available to help them analyze these results, and non-U.S. modelers (or anyone using AERMOD for a purpose other than the U.S. NAAQS standards) need to know how to disable AERMOD`s U.S. NAAQS-specific...
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