(Press-News.org) Every year on the 4th of July, fireworks cause cause a precipitous increase of wildfire ignitions in the United States (U.S.). This human-environmental phenomenon is noteworthy and highlights the impact of American culture on wildfire activity in the U.S. In other regions of the world, research has increasingly shown that human culture impacts fire activity, with weekly cycles of fire activity reflecting the local structures of workweeks and the timing of religious days of rest (e.g., Saturdays and Sundays). Although 4th of July peak in wildfire igntions has been recognized in previous research, it has not been examined in much detail and the influence of the holiday’s weekly timing (e.g. if it falls on a Monday, Tuesday, etc.) has not been examined.
In a study published earlier this week in PLoS ONE, researchers dissected the 4th of July peak in fireworks-caused wildfire ignitions in a federal database of wildfire ignitions. Their findings include:
- Although these fireworks-caused ignitions are broadly distributed across the U.S., they are concentrated on tribal lands and in the west and north central U.S.
- There tend to be more fireworks-caused ignitions in the week leading up to the 4th of July, relative to the week after it.
- There tend to be more fireworks-caused ignitions the day after the 4th of July (July 5th), relative to the the day before it (July 3rd).
- When the 4th of July falls on a weekend (e.g., Saturday, Sunday), there is a tendency to have fewer wildfire ignitions due to fireworks.
- Weekends and the timing of work holidays impact the weekly distribution of fireworks-caused ignitions
“This study uncovers new dimensions of the 4th of July peak in wildfire ignitions and highlights several important implications for policy and wildfire management,” said Richard Vachula, assistant professor in the Department of Geosciences at Auburn University. “Given the predictability of the fireworks-caused ignitions and rising costs of wildfire mitigation, these results have several important management and policy implications.”
END
The timing of fireworks-caused wildfire ignitions during the 4th of July holiday season
Weekly timing of 4th of July influences wildfire ignitions
2023-09-07
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[Press-News.org] The timing of fireworks-caused wildfire ignitions during the 4th of July holiday seasonWeekly timing of 4th of July influences wildfire ignitions