高分六号遥感影像植被特征及其在冬小麦苗期LAI反演中的应用

张矞勋, 齐拓野, 孙源, 璩向宁, 曹媛, 吴梦瑶, 刘春虹, 王磊

Vegetation characteristics of GF-6 remote sensing image and application on LAI retrieval of winter wheat at seedling stage

ZHANG Yu-Xun, QI Tuo-Ye, SUN Yuan, QU Xiang-Ning, CAO Yuan, WU Meng-Yao, LIU Chun-Hong, WANG Lei

表1 植被指数及计算公式

Table 1 Vegetation indices and equations

植被指数 Vegetation index 名称 Name 公式 Equation 参考文献 Reference NDVI 归一化植被指数 Normalized Difference Vegetation Index NDVI=(NIR-R)/(NIR+R) [30] NDVI710 红边归一化植被指数710 Red Edge Normalized Vegetation Index 710 NDVI710=(RE Ⅰ-R)/(NIR+R) [30] NDVI750 红边归一化植被指数750 Red Edge Normalized Vegetation Index 750 NDVI750=(REⅡ-R)/(NIR+R) [30] ARVI 大气阻抗植被指数 Atmosphere Resistant Vegetation Index ARVI=(NIR-(2R-BLUE))/(NIR+(2R-BLUE)) [31] SAVI 土壤调节植被指数 Soil-Adjusted Vegetation Index SAVI=(NIR-R)/(NIR+R+L)×(1+L) (L=0.5) [32] CIgreen 叶绿素指数 Green chlorophyll index CIgreen=NIR/GREEN-1 [32]