整合气象和地理空间数据用于森林火灾风险评估
Zahra Parvar1, Sepideh Saeidi1, Seyedhamed Mirkarimi1
1Department of Environmental Sciences, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Golestan, Iran.
Journal of environmental management
|April 19, 2024
概括
这项研究绘制了戈勒斯坦国家公园森林火灾风险的地图,确定高度和接近道路的关键因素. 调查结果显示,高温与火灾发生率增加之间存在联系,这对预防策略至关重要.
科学领域:
- 环境科学 环境科学
- 林业林业 林业 林业 林业
- 遥感 遥感 遥感 遥感
背景情况:
- 了解森林火灾的驱动因素对于降低风险至关重要.
- 戈勒斯坦国家公园 (GNP),一个潮湿的地区,作为研究区域.
- 之前的研究还没有全面整合自然和人为因素来评估国内生产总值的火灾风险.
研究的目的:
- 开发一张森林火灾风险地图,使用多标准评估方法来评估国民生产总值.
- 调查气象条件 (LST,降雨) 和火灾发生之间的关系.
- 确定易受伤害的区域,并评估人类活动对火灾点火的影响.
主要方法:
- 使用多标准评估方法进行风险映射.
- 对陆地表面温度 (LST) 和降水量进行分析的气象数据 (CHIRPS,Landsat).
- 使用MODIS产品和专家意见评估了23年的火灾发生情况.
主要成果:
- 火灾风险地图准确地确定了与地面真相相一致的高风险区域.
- 高度,距离道路的距离和定居点是影响火灾风险的重要因素.
- 在较高的LST,增加的火灾事件,以及随着年降水量增加的下降趋势之间发现了强烈的相关性.
结论:
- 森林火灾在国内生产总值 (GNP) 中是季节性的,从7月到12月达到顶峰,人类活动在温暖的月份有所贡献.
- 该研究证实了环境因素和火灾发生之间的动态相互作用,这对于有效管理至关重要.
- 开发的模型展示了可靠的火灾风险预测能力 (AUC=0.83),有助于预防火灾的战略规划.
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