基于Sentinel-2A数据的东北森林植物多样性监测方法研究

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周楷玲¹^,², 赵玉金¹^,^*(

), 白永飞¹^,³^,^*(

)

Study on forest plant diversity monitoring based on Sentinel-2A satellite data in northeast China

ZHOU Kai-Ling¹^,², ZHAO Yu-Jin¹^,^*(

), BAI Yong-Fei¹^,³^,^*(

)

图5. 随机森林回归中重要性排序前30的变量。CV, 变异系数; CHA, 凸包面积; B4、B6、B8、B9分别表示Sentinel-2A的第4、6、8、9波段; 其余变量为植被指数, 具体含义见表2。

Fig. 5. Top 30 variables of importance in random forest regression. CV, coefficient of variation; CHA, convex hull area; B4, B6, B8 and B9 represent the fourth, sixth, eighth and ninth bands of Sentinel-2A, respectively; the other variables are vegetation indexes, with specific meanings shown in Table 2.