内蒙古大兴安岭地形对雷击火影响及基于NRBO-XGBoost的扑火因素预测
刘晓东, 黄薪钢, 李钢, 王国胜

Influence of terrain on lightning-ignited fires and prediction of firefighting factors based on NRBO-XGBoost in the Greater Khingan Mountains of Inner Mongolia
LIU Xiaodong, HUANG Xingang, LI Gang, WANG Guosheng
表3 雷击火灾次数及过火面积在不同坡度区间的占比 单位:%
Tab.3 The proportion of lightning-ignited fire occurrences and burned areas in different slope intervals
坡度/(°) 面积占比 雷击火灾次数占比 过火面积占比
[0,0.5) 4.05 2.69 4.49
[0.5,2.0) 11.97 7.26 2.01
[2.0,5.0) 21.58 17.47 37.83
[5.0,15.0) 52.87 56.72 51.37
[15.0,35.0) 9.53 15.86 4.30
[35.0,55.0) 0 0 0