The equation of NDVI calculation:
NDVI= ππΌπ
βπ
πΈπ·/ππΌπ
+π
πΈπ·
Band 5 represents the Near Infrared (NIR) and Band 4 represents the Red. NDVI shows the concentration of vegetation and water.
For NDVI calculation the satellite image of the year 2000 and 2005 was used.