- 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, ...
Change which is so slight, gradual, or subtle that it can not be mentally perceived or discriminated.
Industry:Earth science
(1) A chart displaying lines that show approximate locations of high water at hourly intervals, measured from a reference meridian (usually Greenwich).
Industry:Earth science
Flow in the direction of the difference of horizontal component of pressure between two points in a fluid.
Industry:Earth science
The process of obtaining data from which the coastline can be drawn on a chart. (Jargon)
Industry:Earth science
A structure which holds a camera firmly in position for photographing and which itself is fastened to the permanent pier, base, or vehicle. Also termed a camera mount. Mountings for fastening cameras to aircraft are commercially available for most aerial cameras. Such a mounting may be designed to hold the camera in a desired, fixed position in the aircraft or it may be designed to keep the camera's optical axis vertical. (This second type is also called a gyro-stabilized camera mounting or inertial camera platform. Mountings for terrestrial cameras are usually designed to affix the camera to a tripod and to allow pointing the camera in any desired direction.
Industry:Earth science
The unexplained difference between the direction of gravity and the normal to the ellipsoid best representing the geoid, after corrections for the effects of topography and compensation have been applied to the former. It is usually specified by its components in the meridian and in the prime vertical.
Industry:Earth science
Photography dealing with the taking of aerial photographs for locating and extending control.
Industry:Earth science
A surveying line connecting a monument with a permanent reference-mark.
Industry:Earth science
A function which satisfies the geometric requirements to be a covariance function but does not necessarily have an interpretation as a random function.
Industry:Earth science
