Probability distributions for holdover time of lightning-caused wildfires

Jose V. Moris, D. Ascoli, Hugh G. P. Hunt
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Abstract

The holdover phase (i.e., the time between lightning-induced ignition and fire detection) is a phenomenon characteristic of lightning-caused wildfires. In this paper, we analyzed multiple holdover time datasets to determine the best statistical distribution for this phenomenon. We found that the gamma distribution seems a suitable candidate to model holdover times. We propose applications of the gamma distribution to improve the investigation of lightning-caused wildfires.
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闪电引起的野火持续时间的概率分布
滞留阶段(即从雷击引燃到火灾探测之间的时间)是雷击引起的野火的一种特征现象。在本文中,我们分析了多个滞留时间数据集,以确定这种现象的最佳统计分布。我们发现伽马分布似乎是一个合适的候选模型的滞留时间。我们提出伽玛分布的应用,以改善雷电引起的野火的调查。
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