The Transformed Vegetation Index (TVI) is a mathematical expression applied to remotely sensed data to quantify vegetation greenness. It leverages the differential reflectance properties of vegetation in different portions of the electromagnetic spectrum, typically red and near-infrared wavelengths. A raster calculator, found in many Geographic Information Systems (GIS) and remote sensing software packages, facilitates the application of this formula to satellite imagery, such as that acquired by the Sentinel-2 mission.
Employing vegetation indices derived from satellite data offers an efficient method for monitoring vegetation health and dynamics over large areas. Analysis of spatial and temporal changes in vegetation cover is crucial for applications such as precision agriculture, environmental monitoring, and land management. Sentinel-2’s high spatial resolution and multi-spectral capabilities provide valuable data for these endeavors, allowing for detailed calculations and visualizations of vegetation indices like the TVI.
