Separability (S) between flood condition and other classes: wet soil (WS), dry soil (DS), sparse canopy (V1) and full canopy cover vegetation (V2).

SAVG refers to the average separability value of each index for water with respect to all the other classes. Rank refers to the relative position (1 = best and 12 = worst) of each index separability with respect to the others and RankAVG the mean value.