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The national Emissions Collaborative Modeling Workgroup is responsible for testing and preparing the data platforms created by each of the inventory sector workgroups for use in air quality modeling. Along with preparing the data for modeling, this workgroup will prepare a modeling platform distribution package that includes all of data, software, and documentation needed to prepare base and future year emissions for air quality modeling simulations.

The primary work areas for this group, with objectives for each area include:

Testing and Platform Development

  • Format Checks: Check that the inventory and ancillary data formats for the data produced by each sector workgroup will work with SMOKE (or other emissions processing tool)
  • Modeling Protocol: Establish a modeling protocol that defines a modeling domain and time period for testing the processing of the Collaborative data products
  • Data Collection: Collect and collate of the non-emissions data, such as WRF output, needed for processing the emissions through SMOKE
  • SMOKE Modeling: Run through SMOKE the data from each inventory sector and create air quality model-ready emissions for a test domain and time period
  • Data Validation: Work with the sector workgroup co-leads to compare the processed emissions with pre-SMOKE inventory summaries, and compare the processed data with SMOKE output from other, recent emissions modeling platforms (e.g., EPA's 2014v2 platform)

Platform Packaging

  • EMF Platform Development: Work with EPA OAQPS to create an Emissions Modeling Framework modeling platform with the Collaborative 2016 (and future year) emissions data
  • Platform Distribution Package: Create a modeling platform distribution of the Collaborate base and future year emissions with the same level of completeness and documentation as EPA developed for their "EN" modeling platform
  • Distribution Package Testing: Test the script-based platform distribution to ensure that users can process these data outside of the EMF
  • Platform Customization: Develop and document an approach for substituting inventory sectors in the platform distribution package. User's need to be able to fairly easily substitute sector versions (e.g., alpha vs beta for nonpoint, or MEGAN vs BEIS for biogenics) to create customized emissions platforms.


  • Sector Workgroup Feedback: Review the documentation of the data products from each sector workgroup and provide comments to the workgroup co-leads on where improvements or additional information are needed
  • Collaborative Platform Documentation: Ensure that the platform distribution packages have sufficient documentation to enable new users of the packages to install the accompanying data/software, and process the data through SMOKE.

Modeling Committee Meetings