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Introduction
Introduction
Summary
Summary
Fuels are the main element of the fire triangle that can be manipulated by firefighters. Distinct characteristics of fuel will affect fire behavior, decision making on the fireline, and actions in their removal.
Objectives
Objectives
Describe the term fuels
Describe how fuel type and fuel characteristics affect fire behavior
DEFINITION OF FUEL
DEFINITION OF FUEL
6 FUEL TYPE GROUPS
6 FUEL TYPE GROUPS
1. Grass
1. Grass
2. Shrub
2. Shrub
3. Grass-Shrub
3. Grass-Shrub
4. Timber Litter
4. Timber Litter
5. Timber-Understory
5. Timber-Understory
6. Slash-Blowdown
6. Slash-Blowdown
FUEL CHARACTERISTICS
FUEL CHARACTERISTICS
Fuel loading
Fuel loading
The amount of fuel present expressed quantitatively in terms of weight of fuel per unit area.
Chemical Content
Chemical Content
Some fuels can burn at higher intensity because of chemicals in their leaves.
Fuel Arrangement
Fuel Arrangement
A general term referring to the spatial distribution and orientation of fuel particles or pieces.
Horizontal Continuity vs Vertical Arrangement
Moisture Content
Moisture Content
Live Fuel vs Dead Fuel
Size and Shape
Size and Shape
Size and shape classifications are:
0–1/4” diameter
1/4”–1” diameter
1”–3” diameter
3”–8” diameter
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