Table 1 The analysis indexes on vegetation satellite imagery and the formulas used in the study.
Name of the Index | Formula | Reference | |
|---|---|---|---|
Normalized difference vegetation index | NDVI | \({NDVI}=\frac{\left({P}_{{NIR}}-{P}_{{red}}\right)}{\left({P}_{{NIR}}+{P}_{{red}}\right)}\) | Myneni et al. 1995 |
Normalized difference water index | NDMI | \({NDMI}=\frac{\left({P}_{{NIR}}-{P}_{{SWIR}1}\right)}{\left({P}_{{NIR}}+{P}_{{SWIR}1}\right)}\) | McDonald et al. 1998 |
Normalized difference built-up index | NDBI | \({NDBI}=\frac{{P}_{{SWIR}1}-{P}_{{NIR}}}{{P}_{{SWIR}1}+{P}_{{NIR}}}\) | Zha et al. 2003 |
Modified impervious surface index | NISI | \({NISI}=\frac{\left({P}_{{blue}}+{P}_{{grem}}\,+{P}_{{red}}\right)-{P}_{{NIR}}}{\left({P}_{{blue}}+{P}_{{grem}}\,+{P}_{{red}}\right)-{P}_{{NIR}}}\) | Su et al. 2022 |
