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Total Consumption

last modified Jun 04, 2009 04:25 PM

Fire consumption models and comparisons.

Total Consumption StepModels to compare

FIRST ORDER FIRE EFFECTS (FOFEM)

Fuel consumption calculations from the FOFEM model.  FOFEM uses a physical model of heat transfer and burning rate of woody fuels as they interact over the duration of a burn.

CONSUME 3.0

CONSUME version 3.0 consumption model, developed by Roger Ottmar, U.S. Forest Service FERA Team.  Fuels are organized into six strata: canopy, shrub, non-woody vegetation, downed woody fuels, a litter-lichen-moss layer, and ground fuels.  Each stratum is further broken down by ecological region and land cover type.  Fuel consumption predictions are based on generalized linear regression models developed from empirical data collected from the western, southern, and boreal regions of the United States from 1994 to 2003.  Partitioning between flaming and smoldering components is accomplished using pre-defined partitioning factors as a function of fuelbed.

Emission Production Model (EPM)

Consumption module is based on the Emissions Production Model (EPM) developed by Sam Sandberg, USFS Fera Team.  The consumption and emission calculations from the original EPM model have been split into separate programs to conform to the modeling steps in SEMIP.  This piece of EPM invokes only the consumption calculations from EPM.

Fire Emissions Production Simulator (FEPS)

Fire Emissions Production Simulator (FEPS) consumption developed by the USFS FERA Team.  FEPS is the replacement for EPM and includes different consumption calculations including smoldering.

Output level

TOTAL CONSUMPTION

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