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4 雷击火灾次数及过火面积在不同地形起伏度区间上的占比 单位:%
Tab.4 The proportion of lightning-ignited fire occurrences and burned areas across different topographic relief degree intervals
地形起伏度/m 面积占比 雷击火灾次数占比 过火面积占比
[0,20) 7.96 5.65 2.14
[20,75) 30.45 19.62 38.48
[75,200) 59.41 70.97 47.67
[200,600) 2.18 3.76 11.71