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MANE-VU 2002 Fire Emissions Inventory

MANE-VU 2002 Fire Emissions Inventory. Megan Schuster Inter-RPO Fire and Smoke Technical and Policy Coordination Meeting Austin, TX February 2005. MANE-VU Wildfire Inventory.

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MANE-VU 2002 Fire Emissions Inventory

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  1. MANE-VU 2002 Fire Emissions Inventory Megan Schuster Inter-RPO Fire and Smoke Technical and Policy Coordination Meeting Austin, TX February 2005

  2. MANE-VU Wildfire Inventory • Pechan compiled all MANE-VU state CERR submittals and provided us with recommendations on how to improve the estimates • MANE-VU decided NOT to spend resources on improving fire emissions • Will rely on National Wildfire EI project

  3. What we do have… • CT, DE, ME, MA, MD, NJ, NH, NY, PA, & VT submitted wildfire information • Acres burned data submitted by CT, DE, ME, MA & PA • Only about 11, 700 acres burned in 2002 in MANE-VU

  4. Fuel loading • MA, NY, PA & VT – AP-42 • DE- Land cover specific fuel loading factors • ME – statewide weighted average fuel loading factor using proportion of acres by forest type in ME and NFDRS fuel loading classes that best match with each forest type

  5. Wildfire Emission Factors • DE – EPA 2003 report • Rest of states used AP-42

  6. Temporal profiles • PA – put fires in first 6 month of the year, or last • DE – start/end dates • Data used to compile monthly, weekly, daily allocation profiles • VT – date fire started • Rest of states - annual

  7. Modeling • Plume rise approach – modeling most wildfires as area source

  8. Prescribed Burning • Only DE, DC, ME, MD, and NJ submitted • County level • Fuel loading – state specific or AP-42 • Emission factors – AP-42 or EPA 2003 report

  9. Other Burning • Agricultural Burning • No MANE-VU states submitted agburning for CERR • Slash Burning • Only MD submitted – 20 acres in county

  10. Eastern Canada Wildfires • Subcontractor - RWDI • Obtained activity data from 3 provinces in Eastern Modeling Domain • New Brunswick, Quebec, and Ontario • Converted activity data into GIS format and projected to a common projection and Lambert Conic Conformal coordinate system based on MANE-VU grid

  11. Eastern Canada (Cont.) • Most of the large fires in 2002 fell outside of the 12km Eastern modeling domain • Retained them in the inventory

  12. Activity Data • Acres burned (was not reported in Quebec, RWDI calculated based on GIS polygon data) • State/ end date • Fire location – either lat/ long or fire polygon • Do not have – fire evolution, consumption factors

  13. Consumption • Waited several months for Consumption factors and EF recommendation from Environment Canada • Never received one • For New Brunswick - Maine consumption factor from NEI method = 27.8 tons/acre plus 17% smoldering adjustment factor • For Quebec and Ontario – Alaskan Black Spruce = 57.6 tons/acre (no smoldering effect incorporated)

  14. Assumptions • Fire burned consistently from state to finish • Fire assumed to be stationary over the geographic centroid of the burn perimeter • All plume rise and related stack parameters required for point source files we left blank (MANE-VU may be using approach similar to WRAP to model large fires)

  15. E. Canada Prescribed Burning • Only received annual emissions from 2 census division in Ontario

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