Fig. 12

Misclassification as water of tidal vegetation (mangroves, enclosed in green) as observed in a false colour composite of bands 5–6-7 in the water indexes of the b AWEInshof Feyisa et al. [16], c MNDWI of Xu [15], d NDWI of Rogers and Kearney [14], e AWEIsh of Feyisa et al. [16], f NDWI of McFeeters [13], and g NIR band based on optimum threshold value