Fig 1.
Moisture content in the study area (source: Esri, Maxar, Earthstar Geographics, and the GIS user community).
Fig 2.
Soil sampling (source: Esri, Maxar, Earthstar Geographics, and the GIS user community).
Table 1.
Spectral bands of S2 satellite image.
Table 2.
Specification of the S2 satellite image.
Table 3.
Spectral indices involved in the study.
Fig 3.
Methodology to develop the SSPMs.
Fig 4.
DEM of the study area.
Fig 5.
Slope of the study area.
Fig 6.
NDVI of the study area.
Table 4.
Summary of measured soil properties.
Fig 7.
Relationship between soil EC and soil TDS.
Table 5.
Classification of soil salinity based on EC measurements.
Table 6.
Relationship between soil EC and remote sensing data.
Table 7.
Summary of the developed soil salinity models.
Table 8.
ANOVA results of the developed soil salinity models.
Table 9.
Collinearity diagnostics of the developed salinity models.
Fig 8.
Histogram of the developed model.
Fig 9.
Relationship between measured and predicted soil EC.
Fig 10.
Validation of the developed model.
Fig 11.
Measured EC map (source: Esri, Maxar, Earthstar Geographics, and the GIS user community).
Fig 12.
Predicted EC map (source: Esri, Maxar, Earthstar Geographics, and the GIS user community).