Fig. 8From: Soil salinity assessment by using near-infrared channel and Vegetation Soil Salinity Index derived from Landsat 8 OLI data: a case study in the Tra Vinh Province, Mekong Delta, VietnamCorrelations between electrical conductivity (EC1:5) and salinity indices derived from different bands of Landsat 8 OLI and environmental indices, including Normalized Difference Vegetation Index (NDVI), Soil Adjusted Vegetation Index (SAVI), and Vegetation Soil Salinity Index (VSSI)Back to article page