基于多源卫星监测的浙江省火点时空分布规律研究

Study on Temporal and Spatial Distribution of Forest Fires in Zhejiang Province Based on Multi-source Satellite Monitoring

为探索浙江省森林火灾发生规律,提升浙江省森林防灭火工作能力,本研究基于浙江省静止卫星林火监测系统2019—2022年火点监测数据,对浙江省火点分布规律进行分析。研究表明:1)从时间上看,浙江省冬季1~2月火点数量最多,春末夏季5~8月火点数量较少;一日之中火点主要出现在中午至下午时段。2)从地区上看,浙江省火点主要集中在温州、丽水等浙南地区,火点数量从南往北逐渐递减,且火点发生的下垫面类型以林地为主。

In order to explore the law of forest fire occurrence in Zhejiang Province and improve the ability of forest fire prevention and fire fighting.Based on the fire point monitoring data from 2019 to 2022 of Zhejiang geostationary satellite forest fire monitoring system,in this study,the distribution of fire points in Zhejiang Province was analyzed.The research showed that:1)From the time point of view,the number of fire points in January to February is the largest,and in May to August is less;During the day,fire spots mainly occur between noon and afternoon;2)From a regional perspective,the fire points in Zhejiang Province are mainly concentrated in Wenzhou,Lishui and other areas in southern Zhejiang,the number of fire points gradually decreases from south to north,and the types of underlying surface where fire points occur are mainly forest land.