Table 1 Vegetation indices tested in this study
Vegetation indices | Formula | References |
|---|---|---|
Normalized Difference Vegetation Index (NDVI) | \((\rho_{800} - \rho_{670} )/\left( {\rho_{800} + \rho_{670} } \right)\) | Rouse et al. [62] |
Red edge chlorophyll index (CIrededge) | \(\rho_{800} /\rho_{720} - 1\) | Gitelson et al. [63] |
Green chlorophyll index (CIgreen) | \(\rho_{800} /\rho_{550} - 1\) | Gitelson et al. [63] |
Visible Atmospherically Resistant Index (VARI) | \((\rho_{550} - \rho_{670} )/\left( {\rho_{550} + \rho_{670} } \right)\) | Gitelson et al. [43] |
Ratio Vegetation Index (RVI) | \(\rho_{800} /\rho_{670}\) | Jordan et al. [64] |
Difference Vegetation Index (DVI) | \(\rho_{800} - \rho_{670}\) | Richardson et al. [65] |
Renormalized difference Vegetation Index (RDVI) | \(\sqrt {NDVI \times \left( {\rho_{800} - \rho_{670} } \right)/2}\) | Roujean et al. [66] |
Enhanced Vegetation Index (EVI) | \(2.5\left( {\rho_{800} - \rho_{670} } \right)/\left( {\rho_{800} + 6\rho_{670} - 7.5\rho_{490} + 1} \right)\) | Liu et al. [67] |
Triangular Vegetation Index (TVI) | \(0.5\left[ {120\left( {\rho_{800} - \rho_{550} } \right) - 200\left( {(\rho_{670} - \rho_{550} } \right)} \right]\) | Broge et al. [68] |
Soil Adjusted Vegetation Index (SAVI) | \(\left( {1 + L} \right)(\rho_{800} - \rho_{670} )/\left( {\rho_{800} + \rho_{670} + L} \right)\) | Huete [69] |