据1979—81年统计,长白山林区平均每年发生林火470次,平均每年烧毁面积6567公顷,年均损失245.6万元,不但给林木资源带来巨大损失,还会严重破坏森林生态系统,造成水土流失等不良后果。当前世界森林防火先进国家,首先从气象条件入手,研究燃烧同气象因子的关系, According to the statistics of 1979-81, there are 470 forest fires per year on average in Changbai Mountain area, with an average area of ​​6,567 hectares burned annually, with an average annual loss of 2,456,000 yuan, which not only causes great losses to forest resources but also seriously damages forest ecosystems and causes Soil and water loss and other adverse consequences. The current advanced forest fire prevention countries in the world start with the meteorological conditions, study the relationship between combustion and meteorological factors,