Definitions for "Digital elevation model"
See digital terrain model.
Arrays of topographic elevations at regularly spaced 30 meter (approximately 100 feet) intervals that correspond in coverage to standard 1:24,000-scale 7.5-minute quadrangles; produced by the U.S. Geological Survey and distributed in tape format.
A computer is used to generate a grid that in the case of TSARP covers all of Harris County and results in an elevation point ever 15 feet. Back
Keywords:  sea, picture, ground, above, level
a picture that shows how high each point on the ground is above sea level