Parameter Tree:
EARTH SCIENCE > LAND SURFACE > SURFACE RADIATIVE PROPERTIES > ANISOTROPY

Definition:
The characteristic of a surface for which a physical property, such as
reflectivity, varies in value with the direction in or along which the
measurement is made.


Reference:
http://www.ccrs.nrcan.gc.ca/ccrs/eduref/ref/glosndxe.html
CCRS (Canada Centre for Remote Sensing) Remote Sensing Glossary