Parameter Tree:
EARTH SCIENCE > SPECTRAL/ENGINEERING > GAMMA RAY > GAMMA RAY FLUX

Definition:
The portion of the electromagnetic spectrum from approximately 10^-7 to
10^-5 micrometers. Most often, gamma ray sensors are used to detect
composition (from wavelengths of rays emitted by nuclei) or to measure
soil moisture.


Reference:
CCRS Remote Sensing Glossary
http://www.ccrs.nrcan.gc.ca/ccrs/eduref/ref/glosndxe.html