武夷山森林火灾发生规律的研究

根据1997~2007年武夷山市森林火灾统计数据,从年、月、日3个时间尺度分析了森林火灾发生的规律。结果表明,武夷山市森林火灾年际间波动较大,具有4年周期性;3月份为森林火灾高发月,其次为7~8月份;一天当中,中午为森林火灾高发时段。引起森林火灾的火源主要是由农业生产用火(35%)和非生产性用火(占33%,主要为吸烟和扫墓)引起的。

Study on the Occurrence Regularity of Forest Fires in Wuyishan

The law of forest fires distribution on temporal scale(year,month,and date) was analyzed based on Wuyishan's forest fire statistics from 1997 to 2007.In yearly scale,forest fires had a significant variance and four years periodicity;Forest fires were mainly occurred in March,and then in July and August.Noon were the peak fire time in a day.The main fire sources were agriculture productive fires(accounting for 35%) and nonproductive activities fires(accounting for 33%,mainly for smoking and sweeping a grave)...