基于GF-1/2卫星数据的冬小麦叶面积指数反演

吾木提·艾山江,买买提·沙吾提,陈水森,李丹

Inversion of leaf area index of winter wheat based on GF-1/2 image

HASAN Umut,SAWUT Mamat,Shui-Sen CHEN,Dan LI

表2 常用宽波段植被指数

Table 2 Common wide band vegetation indices

植被指数 VI 名称 Name 公式 Equation 参考文献 Reference NDVI 归一化差值植被指数 Normalized Difference Vegetation Index $(R_{NIR}-R_{red})/(R_{NIR}+R_{red})$ [18] GNDVI 绿度归一化差值植被指数 Green Normalized Difference Vegetation Index $(R_{NIR}-R_{green})/(R_{NIR}+R_{green})$ [19] RDVI 复归一化差值植被指数 Renormalized Difference Vegetation Index $(R_{NIR}-R_{red})/ \sqrt{R_{NIR}+R_{red}}$ [20] SAVI 土壤调整植被指数 Soil-Adjusted Vegetation Index $(1+0.1)/ \frac{R_{NIR}-R_{red}}{R_{NIR}+R_{red}+0.1}$ [21] MSR 修正简单比 Modified Simple Ratio $(R_{NIR}-R_{blue})/(R_{red}+R_{blue})$ [22] TVI 三角植被指数 Triangular Vegetation Index $0.5[120(R_{NIR}-R_{green})-200(R_{red}+R_{green})]$ [18] OSAVI 优化土壤调整植被指数 Optimized Soil-Adjusted Vegetation Index $1.16(R_{NIR}-R_{red})/(R_{NIR}+R_{red}+0.16)$ [23] EVI 增强植被指数 Enhanced Vegetation Index $2.5 \times \frac{R_{NIR}-R_{red}}{R_{NIR}+6 \times R_{red}-7.5 \times R_{blue}+1}$ [24] EVI2 双波段增强植被指数 Two-band Enhanced Vegetation Index $2.5(R_{NIR}-R_{red})/(R_{NIR}+2.4 \times R_{red}+1)$ [25] GSR 绿度简单比 Green Simple Ratio ${R_{NIR}}/{R_{green}}$ [26] DVI 差值植被指数 Difference Vegetation Index $R_{NIR}-R_{red}$ [27] WDRVI 宽动态植被指数 Wide Dynamic Range Vegetation Index $0.1\times(R_{NIR}-R_{red})/0.1 \times(R_{NIR}+R_{red})$ [28] CIgreen 绿色叶绿素指数 Green Chlorophyll Index $\frac{R_{NIR}}{R_{green}}-1$ [29] VARI 可见光大气阻力指数 Visible Atmospherically Resistant Index $(R_{green}-R_{red})/(R_{green}+R_{red}-R_{blue})$ [30] MTVI 修正三角植被指数 Modified Triangular vegetation index $1.2[1.2(R_{NIR}-R_{green})-200(R_{red}-R_{green})]$ [18] NLI 非线性植被指数 Nonlinear Vegetation Index $(R^{2}_{NIR}-R_{red})/(R^{2}_{NIR}+R_{red})$ [31] MNLI 修正非线性植被指数 Modified Nonlinear Vegetation Index $1.5(R^{2}_{NIR}-R_{red})/(R^{2}_{NIR}+R_{red}+0.5)$ [31]