基于植被指数融合的冬小麦生物量反演研究

孙奇,关琳琳,焦全军,刘新杰,戴华阳

Research on Retrieving Biomass of Winter Wheat based on Fusing Vegetation Index

Qi Sun,Linlin Guan,Quanjun Jiao,Xinjie Liu,Huayang Dai

表2 植被指数及公式

Table 2 Vegetable indices and equations

指数类型 植被指数 计算公式 参考文献 LAI-VIs NDVI (R800-R670)/(R800+R670) [19] EVI 2.5(R800-R670)/(R800+6R670-7.5R450+1) [20] GNDVI (R800-R550)/(R800-R550) [21] MTVI2 1.5[1.2(R800-R500)-2.5(R670-R550)]/{[(2R800+1)2-(6R800-5(R670)1/2]1/2-0.5} [22] DMIs NDBleaf (R1540-R2160)/(R1540+R2160) [23] NDMI (R1649-R1722)/(R1649+R1722) [24]