Franz's blog

Tag Archives

Calculating Normalized Differential Vegetation Index (NDVI)

A vegetation index can be defined as a parameter calculated from reflectance values at different wavelengths, and is particularly sensitive to vegetation …

Google Earth Timelapse

Timelapse is a global, zoomable video that lets you see how the Earth has changed over the past 32 years. It is made from 33 cloud-free annual mosaics, one for …

Video – Atmospheric Correction and Band Rationing Using ArcGIS with Landsat 8

Landsat 8 data was atmospherically corrected and used for some band rationing like NDVI and NDBI. These index models can be very useful for decision