Remote Sensing and GIS glossary

Also known as the Kauth-Thomas transformation; designed to analyze and map vegetation and urban development changes detected by various satellite sensor systems. It uses principle component analysis to yield transformed bands commonly defined as brightness, greenness and wetness.

The frequency at which images are captured over the same location on the earth's surface

The Thematic Mapper is a high-resolution scanner on Landsat satellites (Landsat 4 and 5) that collects images in visible, near infrared, mid infrared, and thermal bands of the EM spectrum.

A series of images over a single target area collected at different points in time.

The study and mapping of land surfaces, including relief (relative positions and elevations) and the position of natural and constructed features.