可食用的防火缓冲器:用多功能景观减轻野火
Xiao Fu1, Abigail Lidar2, Michael Kantar3
1Department of Computer Science, University of Southern California, Los Angeles, 90089 CA, USA.
PNAS nexus
|October 26, 2023
概括
在易发生火灾的地区种植香缓冲器可以显著减少野火的强度,并延迟火灾的蔓延. 这种可持续的方法提供了一种有利可图的方法来缓解野火和粮食生产.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 火灾生态学 火灾生态学
背景情况:
- 野火对干旱地区的基础设施和人类定居点构成重大风险.
- 现有的野火减缓策略往往涉及高额的前期成本和不确定的回报.
- 野生土地与城市的界面特别容易受到毁灭性的火灾事件的影响.
研究的目的:
- 评估一种使用低易燃性作物缓冲剂进行野火减轻的新型景观干预措施的有效性.
- 评估使用香缓冲剂在防火和食品生产中的经济可行性.
- 在模拟的气候变化场景下确定香缓冲的保护作用.
主要方法:
- 使用中型 (633米) 香缓冲器模拟了大型野火事件.
- 量化了缓冲对火线强度和火灾传播延迟的影响.
- 分析了缓冲区内的香种植的利能力.
- 在预测的气候变化条件下模拟了缓冲器的有效性.
主要成果:
- 香缓冲器将火线强度降低了96%,与处方烧伤和稀释等传统方法相比.
- 缓冲器将火灾的进展推迟了316分钟,使得消防工作得到加强.
- 香缓冲器甚至在模拟气候变化导致火灾条件恶化的情况下也表现出保护作用.
- 平均产量香缓冲器预计从水果销售中获得每公56,000美元的利.
结论:
- 低易燃性作物缓冲剂,如用回收水灌的香,为减少野火和利的粮食生产提供了双重用途的解决方案.
- 这种创新方法可以补充现有的消防管理策略,提高安全性和有效性.
- 香缓冲区为易受野火袭击的地区提供了具有成本效益和可持续的土地管理实践,即使面对气候变化.
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