基于Sentinel-2数据的草地植物功能多样性遥感反演及其与生产力的关系
赵晏平1, 王忠武1, 温都日根3, 赵玉金2,*(
), 白永飞2,*()
), 白永飞2,*()
Remotely sensed monitoring method of grassland plant functional diversity and its relationship with productivity based on Sentinel-2 satellite data
ZHAO Yan-Ping1, WANG Zhong-Wu1, WENDU Rigen3, ZHAO Yu-Jin2,*(), BAI Yong-Fei2,*()
), BAI Yong-Fei2,*()
图4. 各功能多样性特征变量重要性排序。B5, B6, B9, B10, B11, B12表示波段5、6、9、10、11、12; CHA, 凸包面积; CRI1,类胡萝卜素反射指数; D, 双峰光学指数; NDI45, 归一化差值指数; OSAVI, 优化型土壤调节植被指数; WBI, 水波段指数; WDVI, 加权差分植被指数。
Fig. 4. Importance ranking of functional diversity feature variables. B5, B6, B9, B10, B11, B12 means bands 5, 6, 9, 10, 11, 12; CHA, convex hull area; CRI1, carotenoid reflectance index 1; D, double-peak optical index; NDI45, normalized difference index 45; OSAVI, optimized soil-adjusted vegetation index; WBI, water band index; WDVI, weighted differential vegetation index.
