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Calculate NDVI Indices in QGIS - Raster Calculator

Welcome, dear Subscriber and Viewers, In this video tutorial NDVI Indices is calculated using Raster Calculator in QGIS. The Analysis can be carried out using landsat-8, Sentinel-2, LISS- 4 & 5 Landsat-5 & 7 and etc. Required band for following analysis are NIR and Red, it is used to identify vegetation by measuring the difference in reflecting (NIR) and absorption (Red) level. The Result value ranges from -1 to +1, 0 to -1 is non-vegetative land and 0 to +1 indicates vegetation and closer to +1 is related to Thick Vegetation. Important Links for Identifying Satellite Bands: 1. Landsat 8 bands: https://gisgeography.com/landsat-8-ba.... 2. Sentinel - 2 bands: https://www.hatarilabs.com/ih-en/how-... 3. LISS - 3 & 4 bands: http://uregina.ca/piwowarj/Satellites... 4. Land - 7 bands: https://www.usgs.gov/land-resources/n... 5. Land - 5 bands: https://www.usgs.gov/land-resources/n... Web Sources: 1. United States Geological Survey (USGS): https://www.usgs.gov/land-resources/n... 2. Earth Observing System (EOS): https://eos.com/ndvi/#:~:text=Accordi....