NDSI - Normalized Difference Soil Index
NDBSI - Normalized Difference Bare Soil Index
BI - Bare Index
SSI1 - Soil Salinity Index-1
SSI2 - Soil Salinity Index-2
SSI3 - Soil Salinity Index-3
SI - Salinity Index
SASI - Soil Adjusted Salinity Index
NDDI - Normalized Difference Drought Index
DSI - Desertification Soil Index
