Index/references | Formula | Formula with specific L8 bands |
---|---|---|
Normalized Difference Vegetation Index—NDVI [69] | \(\mathrm{NDVI}=\frac{\mathrm{NIR}-\mathrm{R}}{\mathrm{NIR}+\mathrm{R}}\) | \(\mathrm{NDVI}=\frac{\mathrm{B}5-\mathrm{B}4}{\mathrm{B}5+\mathrm{B}4}\) |
Soil-Adjusted Vegetation Index—SAVI [70], L value according [71] | \(\mathrm{SAVI}=\frac{\mathrm{NIR}-\mathrm{R}}{\mathrm{NIR}+\mathrm{R}+\mathrm{L}}\left(1+\mathrm{L}\right)\) \(\mathrm{L}=0.15\) | \(\mathrm{SAVI}=\frac{\mathrm{B}5-\mathrm{B}4}{\mathrm{B}5+\mathrm{B}4+0.15}\left(1+0.15\right)\) |
Wide Dynamic Range Vegetation Index—WDRVI [72], a value according [71] | \(\mathrm{WDRVI}=\frac{\mathrm{aNIR}-\mathrm{R}}{\mathrm{aNIR}+\mathrm{R}}\) \(\mathrm{a}=0.05\) | \(\mathrm{WDRVI}=\frac{0.05\mathrm{ B}5-\mathrm{B}4 }{0.05\mathrm{ B}5+\mathrm{B}4}\) |
Enhanced Vegetation Index 2—EVI2 [73] | \(\mathrm{EVI}2=2.5 \frac{\mathrm{NIR}-\mathrm{R}}{\mathrm{NIR}+2.4\mathrm{ R}+1}\) | \(\mathrm{EVI}2=2.5 \frac{\mathrm{B}5-\mathrm{B}4}{\mathrm{B}5+2.4\mathrm{ B}4+1}\) |
Normalized Difference Water Index—NDWI [74] | \(\mathrm{NDWI}=\frac{\mathrm{G}-\mathrm{NIR}}{\mathrm{G}+\mathrm{NIR}}\) | \(\mathrm{NDWI}=\frac{\mathrm{B}3-\mathrm{B}5}{\mathrm{B}3+\mathrm{B}5}\) |
Visible Atmospherically Resistant Vegetation Index green—VARIg [75, 76] | \({\mathrm{VARI}}_{\mathrm{G}}=\frac{\mathrm{G}-\mathrm{R}}{\mathrm{G}+\mathrm{R}}\) | \({\mathrm{VARI}}_{\mathrm{G}}=\frac{\mathrm{B}3-\mathrm{B}4}{\mathrm{B}3+\mathrm{B}4}\) |
Normalized Difference Snow Index—NDSI [77] | \(\mathrm{NDSI}=\frac{\mathrm{SWIR}1-\mathrm{NIR}}{\mathrm{SWIR}1+\mathrm{NIR}}\) | \(\mathrm{NDSI}=\frac{\mathrm{B}6-\mathrm{B}5}{\mathrm{B}6+\mathrm{B}5}\) |
Bare Soil Index- BI [78] | \(\mathrm{BI}=\frac{\left(\mathrm{SWIR}1+\mathrm{R}\right)-(\mathrm{NIR}+\mathrm{B})}{\left(\mathrm{SWIR}1+\mathrm{R}\right)+(\mathrm{NIR}+\mathrm{B})}\) | \(\mathrm{BI}=\frac{\left(\mathrm{B}6+\mathrm{B}4\right)-(\mathrm{B}5+\mathrm{B}2)}{\left(\mathrm{B}6+\mathrm{B}4\right)+(\mathrm{B}5+\mathrm{B}2)}\) |
\(\mathrm{NDMI}=\frac{\mathrm{NIR}-\mathrm{SWIR}1}{\mathrm{NIR}+\mathrm{SWIR}1}\) | \(\mathrm{NDMI}=\frac{\mathrm{B}5-\mathrm{B}6}{\mathrm{B}5+\mathrm{B}6}\) | |
Normalized Burn Ratio—NBR [81] | \(\mathrm{NBR}=\frac{\mathrm{NIR}-\mathrm{SWIR}2}{\mathrm{NIR}+\mathrm{SWIR}2}\) | \(\mathrm{NBR}=\frac{\mathrm{B}5-\mathrm{B}7}{\mathrm{B}5+\mathrm{B}7}\) |
Normalized Burn Ratio 2—NBR2 [82] | \(\mathrm{NBR}2=\frac{\mathrm{SWIR}1-\mathrm{SWIR}2}{\mathrm{SWIR}1+\mathrm{SWIR}2}\) | \(\mathrm{NBR}2=\frac{\mathrm{B}6-\mathrm{B}7}{\mathrm{B}6+\mathrm{B}7}\) |
TOA Brightnees Temperature [57] | \(T=\frac{\mathrm{K}2}{\mathrm{ln}\left(\frac{K1}{{L}_{\lambda }}\right)+1}\) T = TOA Brightness Temperature Lλ = spectral radiance K1 y K2 = thermal conversion constants | \(B10, B11 TIRS sensor\) |