- Industry: Earth science
- Number of terms: 93452
- Number of blossaries: 0
- Company Profile:
Founded in 1941, the American Congress on Surveying and Mapping (ACSM) is an international association representing the interests of professionals in surveying, mapping and communicating spatial data relating to the Earth's surface. Today, ACSM's members include more than 7,000 surveyors, ...
Convert a continuous signal or data in analog form to numerical values representing the signal or data.
Industry:Earth science
The distance between the centers of the pupils of the eyes. It is also called interocular distance or eye base.
Industry:Earth science
A photographic image internal to the aerial camera by which it is formed. (obsolete)
Industry:Earth science
An abrupt change in the speed of seismic waves with depth. The term is used when no conjecture about the geological cause of the discontinuity is justified.
Industry:Earth science
An instrument which can determine the direction to a body emitting radiation generally at radio wavelengths.
Industry:Earth science
The doctrine that the water of natural streams belong to the public generally, but an individual may appropriate it for a beneficial use. The first person making such use of the water thereby establishes a prior right to the continued use of the water for that particular use against all others.
Industry:Earth science
The bending of waves, electromagnetic or sound, when the waves meet an opaque obstacle. The waves are bent inwards producing vibrations in what would otherwise be a shadowed region. The phenomenon is not readily explained by the particle-theory of electromagnetic radiation.
Industry:Earth science
All that region outward from the end of a runway in which the heights of structures or other hazards to aircraft are restricted. The slopes and dimensions are usually fixed by zoning commissions. The surface defining maximum heights is the floor of the district.
Industry:Earth science
The gradual and imperceptible washing-away and resultant loss of soil along a watercourse. The opposite of alluvion. Note that this definition implies that alluvion is a process, not a material.
Industry:Earth science
(1) The length of the polar axis of a spheroid. (2) The distance between the North Pole and South Pole of the Earth.
Industry:Earth science
