Table 2 Vegetation indices used in the spectral characterisation of the Eucalyptus stands

NDVI

(TM4 − TM3)/(TM4 + TM3)

Rouse et al. (1973)

ND53

(TM5 − TM3)/(TM5 + TM3)

Huete et al. (2002)

ND54

(TM5 − TM4)/(TM5 + TM4)

Huete et al. (2002)

ND57

(TM5 − TM7)/(TM5 + TM7)

Huete et al. (2002)

SAVI

[(TM4 − TM3)/(TM4 + TM3 + 0.5)].(1.5)

Huete (1988)

MSAVI

\( \left[\left(2\mathrm{TM}4+1\right)-\sqrt{{\left(2\mathrm{TM}4+1\right)}^2-8\left(\mathrm{TM}4-2\mathrm{TM}3\right)\ }\right]/2 \)

Qi et al. (1994)

EVI

2.5 × [(TM4 − TM3)/(TM4 + 6TM3 − 7.5TM1 + 1)]

Justice et al. (1998)

GEMI

n(1 − 0.25n). [(TM3 − 0.125)/(1 − TM3)]

\( n=\frac{2\left(\mathrm{TM}{4}^2-\mathrm{TM}{3}^2\right)+1.5\mathrm{TM}4+0.5\mathrm{TM}3}{\mathrm{TM}4+\mathrm{TM}3+0.5} \)

Pinty and Verstraete (1992)