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Fire history, the ecological science of studying the history of wildfires, is a subdiscipline of fire ecology.Patterns of forest fires in historical and prehistorical times provide information relevant to the vegetation pattern in modern landscapes.
A wildfire, forest fire, or a bushfire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation. [ 1 ] [ 2 ] Depending on the type of vegetation present, a wildfire may be more specifically identified as a bushfire ( in Australia ), desert fire, grass fire, hill fire, peat fire, prairie fire, vegetation fire, or ...
Following the same tone of timber resource protection, the U.S. Forest Service adopted the "10 AM Policy" in 1935. [3] Through this policy, the agency advocated the control of all fires by 10 o'clock of the morning following the discovery of a wildfire. Fire prevention was also heavily advocated through public education campaigns such as Smokey ...
Many of these fires did not extinguish fully, but rather smouldered as overwintering fires (also called "zombie fires"). Droughts, combined with longer and hotter summers, dry out organic material in soils and make these types of fires more common in the country's boreal forests .
This list includes only fires that burned more than 5,000 acres (2,000 ha), resulted in loss of life, or are otherwise notable. Sizes for Black Hills fires between 1910 and 2022 are from the United States Forest Service. [1]
Fire ecology is a scientific discipline concerned with the effects of fire on natural ecosystems. [1] Many ecosystems, particularly prairie, savanna, chaparral and coniferous forests, have evolved with fire as an essential contributor to habitat vitality and renewal. [2]
The 2019 Alberta wildfires have been described by NASA as part of an extreme fire season in the province. [5] In 2019 there were a total of 803,393.32 hectares (1,985,228 acres), [1] [6] [7] [8] which is over 3.5 times more land area burned than in the five-year average burned. [9]
In Australia, the prevalence of eucalyptus trees that have oil in their leaves results in forest fires that are noted for their extremely tall and intense flame front. Hence the bush fires appear more as a firestorm than a simple forest fire. Sometimes, emission of combustible gases from swamps (e.g., methane) has a similar effect.