The latest update to AERMET View (Version 9.7) includes a new tool which automates the process of assessing meteorological data quality using advanced quality assurance (QA) procedures. In a previous Modeling Tip, we highlighted the QA options built into the AERMET model. The tool analyzes the surface file output by AERMET (*.SFC) and reports quality of variables being passed to the AERMOD model.
AERMAP is the US EPA’s terrain preprocessor for the AERMOD modeling system. AERMAP reads digital terrain data (e.g., USGS 3DEP [formerly NED] digital elevation models in GeoTIFF format) and calculates base elevations for sources and receptors and hill height scale factors for receptors. An integral part of executing AERMAP is identifying the files which will cover the modeling domain and satisfy these calculations.
Most air dispersion modeling analyses will result in a large number of data files. Besides input and output files, projects can contain meteorological data, terrain data, digital base maps, and other external data files. Whether you’re modeling a simple scenario in AERMOD or a complex regional study in CALPUFF, there will be many different file types to account for.
There are a number of ways to add source data to your AERMOD View project. This video shows you how to import sources using an Excel spreadsheet template.
The US EPA AERMET model is a meteorological preprocessor that prepares meteorological data into a format suitable for use by the US EPA AERMOD model. AERMET requires the input of two types of met data
When using CALPUFF, modelers can add hourly background concentration or deposition flux values to the modeled results before averages are processed in CALPOST. Lakes Environmental added a Background Data File Maker utility to CALPUFF View to make this process even easier.