The occurrence of underground fires in coal mines that can persist for years are well-reported. Less well known is the occurrence of underground fires following a forest fire.
Situation: status post forest fire
Features:
(1) source of combustible material (methane, buried biomass, tree roots, etc)
(2) source of oxygen
(3) drought conditions
Significance:
(1) source of fire re-ignition
(2) sink hole
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