地表火又叫地面火，指沿林地面扩展蔓延，烧毁地被物的火。地表火能烧毁地表1.5米以下的幼苗、幼树、灌木，烧伤乔木树干基部的树皮表层以及靠近地面的根系。
本文论述了南方林区森林火灾时间分布集中、发生率高、面积小，并以地表火为主的特征；
The forest fire in South China is special for its concentrative time-distribution, the high rate of occurence, the limited fire area and mainly with surface fire.
该文通过对森林火蔓延模型的研究，建立了一种使用产生式原则的多模型森林地表火蔓延预测系统。
Through the study on the model of forecasting forest fire spreading, this research built a multi-model predicting system based on the production rule.
应用自行研制的“多坡段固相材料火蔓延实验台”，模拟森林地表火的蔓延过程，对变坡度情况下森林地表上坡火行为规律进行了实验研究。
In this paper, a solid phase material fire experimental bed, which has more slope segments, has been used to simulate upslope forest surface fire.
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