Table 3 Input feature layers produced for the seven alternative classification feature spaces.

Surface reflectance from Sentinel-2 (S2) and Landsat-8 (L8)

Reflectance bands

Blue (B)

492/492 nm (452–512 nm)

Y

10 (30)

Ann, Wet, Dry

Green (G)

560/559 nm (533–590 nm)

Y

10 (30)

Ann, Wet, Dry

Red (R)

665/665 nm (636–673 nm)

Y

10 (30)

Ann, Wet, Dry, A_var

Red Edge 1 (R1)

704/704 nm

-

20

Ann, Wet, Dry, A_var

Red Edge 2 (R2)

741/739 nm

-

20

Ann, Wet, Dry, A_var

Red Edge 3 (R3)

783/780 nm

-

20

Ann, Wet, Dry, A_var

NIR

833/833 nm (851–879 nm)

Y

10 (30)

Ann, Wet, Dry, A_var

Red Edge 4 (R4)

865/864 nm

-

20

Ann, Wet, Dry, A_var

SWIR 1

1614/1610 nm (1566–1651 nm)

Y

20 (30)

Ann, Wet, Dry

SWIR 2

2202/2186 nm (2107–2294 nm)

Y

20 (30)

Ann, Wet, Dry

Vegetation index

NDVI (normalized difference vegetation index)

\(NDVI=\frac{NIR-red}{NIR+red}\)

Y

10 (30)

Ann, Wet, Dry, A_var, T_W, T_D

EVI2 (enhanced vegetation index 2)

\(EVI=2.5*\frac{NIR-red}{NIR+2.4\left(red\right)+1}\)

Y

10 (30)

Ann, Wet, Dry, A_var, T_W, T_D

SAVI (soil adjusted vegetation index)

\(SAVI=1.5*\frac{NIR-red}{NIR+red+0.5}\)

Y

10 (30)

Ann, Wet, Dry, A_var, T_W, T_D

SWIR21

\(SWIR21= \frac{SWIR2}{SWIR1}\)

Y

20 (30)

Ann, Wet, Dry, A_var

Sentinel-1

Polarisation

σ⁰_VHdB (VH)

VH (σ⁰dB)

n/a

20*

Ann, Wet, Dry, A_var

σ⁰_VVdB (VV)

VV (σ⁰dB)

n/a

20*

Ann, Wet, Dry, A_var

VH:VV Ratio

σ⁰_{VH_VV} (VH:VV)

\(\frac{VH}{VV}\)(σ⁰)

n/a

20*

Ann, Wet, Dry

COP-DEM GLO-30

Slope

Slope (˚)

n/a

30

-