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Project ID: 98-1-9-01

Year: 1998

Date Started: 09/28/1998

Date Completed: 01/31/2007

Title: Smoke Produced from Residual Combustion

Project Proposal Abstract: Project Objectives For at least 5 different major classes of fuels typically involved in residual smoldering combustion (RSC) and two different moisture content conditions dispersed over at least 10 different sites. Four of these will be in the western USA, 3 in the southeast, 2 in the Lake States, and possibly 1 area in Alaska. We propose to: I. Measure the rate of release of carbon and to calculate fuel consumption and heat release incrementally over time over a time of sufficient duration (36 to 72 hours) to describe 95% of the consumption for the selected fuel elements including those of the Ottmar inventory. Included will be duff near trees, duff between trees, rotten logs larger than 6 diameter, partially rotten logs larger than 6, smaller diameter rotten logs, smaller diameter partially rotten logs, large stumps, small stumps and other fuel categories known to be important. 2. For the same fuel categories listed in item 1, measure the emissions released over time. Determine if emission factors for smoke particulate matter are lower for heavy ash conditions and whether the ash catalyzes the oxidation process with a decrease in emission factors for PM2.5, hydrocarbons, and possibly CO. Provide models for evaluating emission factors by fuel type for EPM. 3. For a few fires, using a matrix of samplers downwind of the fire, measure the local impact of smoke close to the source (within one mile), especially for those cases where drainage winds are important. 4. Provide models, guidelines, and data for describing in terms of prescription variables the probability of encountering significant RSC for different fuel situations (the fuel situations to be identified through Ottmar's photo series or survey methods). 5. Samples of several of the fuels will be returned to the Forest Fire Laboratory for further more detailed study. This part of the study will be funded by existing fire research.

Principal Investigator: Wei Min M. Hao

Agency/Organization: Forest Service

Branch or Dept: RMRS-Fire Sciences Lab-Missoula

Other Project Collaborators

Type	Name	Agency/Organization	Branch or Dept
Co-Principal Investigator	Ronald E. Babbitt	Forest Service	RMRS-Fire Sciences Lab-Missoula
Co-Principal Investigator	Sue A. Ferguson	Forest Service	PNW-Seattle-Managing Natural Disturbances
Co-Principal Investigator	Peter W. Lahm	Forest Service	WO-Fire & Aviation Management
Co-Principal Investigator	Roger D. Ottmar	Forest Service	PNW-Seattle-Managing Natural Disturbances
Co-Principal Investigator	David V. Sandberg	Forest Service	PNW-Forestry Sciences Lab-Corvallis
Co-Principal Investigator	Ronald A. Susott	Forest Service	RMRS-Fire Sciences Lab-Missoula
Co-Principal Investigator	Robert J. Yokelson	University of Montana	Department of Chemistry & Biochemistry
Federal Cooperator	Wei Min M. Hao	Forest Service	RMRS-Fire Sciences Lab-Missoula

Project Locations

Consortium

Alaska

Appalachian

California

Great Basin

Great Plains

Lake States

Oak Woodlands

Northern Rockies

Northwest

Pacific

South

Southern Rockies

Southwest

Tallgrass

There are no project locations identified for this project.

Project Deliverables

Final Report ("Results presented in JFSP Final Reports may not have been peer-reviewed and should be interpreted as tentative until published in a peer-reviewed source.")

	ID	Type	Title
	2513	Refereed Publication	Comprehensive Laboratory Measurements of Biomass-Burning Emissions: 2. First Intercomparison of Open-Path FTIR, PTR-MS, and GC-MS/FID/ECD
	2512	Refereed Publication	Comprehensive Laboratory Measurements of Biomass-Burning Emissions: 1. Emissions from Indonesian, African, and Other Fuels
	2509	Refereed Publication	Trace Gas and Particle Emissions From Fires in Large Diameter and Belowground Biomass Fuels

Supporting Documents

There are no supporting documents available for this project.

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