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Overview of SMOKE: Emission Inventory and Air Quality Modeling Tool

The SMOKE (Sparse Matrix Operator Kernel Emissions) model, developed by the UNC Carolina Environmental Program, is a comprehensive tool for processing emission inventories for air quality models. It specializes in handling criteria, particulate, and toxic pollutants, and provides essential functions such as gridding, speciation, and plume rise calculations. Major updates include enhanced toxics support, improved modeling for on-road emissions, and better compatibility with new datasets. The latest version, SMOKE v2.1, includes significant improvements and is available for download at the CMAS Model Clearinghouse.

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Overview of SMOKE: Emission Inventory and Air Quality Modeling Tool

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  1. Status of SMOKE Catherine Seppanen Carolina Environmental Program University of North Carolina - Chapel Hill Carolina Environmental Program

  2. Introduction • Processes emission inventories for input into air quality models • Handles criteria, particulate, and toxic pollutants • Basic functions: gridding, speciation, temporal allocation, plume rise • Used for regulatory and research activities Carolina Environmental Program

  3. Release Schedule • SMOKE v2.0 released in fall of 2003 • Major update • Toxics support for all source categories • Revised plume rise calculations • SMOKE v2.1 released on Sept. 30, 2004 • Next release sometime in 2005 Carolina Environmental Program

  4. SMOKE v2.1 Highlights • Updates to SMOKE/MOBILE6 integration • Uses newest version MOBILE6.2.03 • Extracts humidity and barometric pressure data from gridded meteorology files • Better temporal modeling of on-road emission processes Carolina Environmental Program

  5. SMOKE v2.1 Highlights • Updated BEIS3 model • Can use either BEIS3.09 or BEIS3.12 • Supports polar stereographic grids • Allows users to change the spheroid type • Code improvements for better system compatibility Carolina Environmental Program

  6. More on SMOKE v2.1 • Finished conversion of SMOKE User’s Manual to DocBook format • XML-based format • Allows easy creation of HTML and PDF documents • Easier to update and maintain Carolina Environmental Program

  7. SMOKE v2.1 Availability • Download executables, scripts, and data through the CMAS Model Clearinghouse http://www.cmascenter.org/html/models.html • User’s guide available online at the main SMOKE website http://www.cep.unc.edu/empd/products/smoke/ Carolina Environmental Program

  8. Current Work • Updates for variable grid processing • New method for handling aircraft emissions • New QA Tool (EmisView) • Open source project, designed to work with both SMOKE and CONCEPT • http://emisview.sourceforge.net Carolina Environmental Program

  9. Problems and Questions • Problems and questions can be submitted online through the CMAS Help Desk http://www.cmascenter.org/html/help.html • Uses the Bugzilla bug tracking system • Searchable archive of current and resolved issues Carolina Environmental Program

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