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Traditional geodetic instruments such as theodolites rely on the gravity field for orienting their vertical axis along the local plumb line or local vertical direction with the aid of a spirit level. After that, vertical angles ( zenith angles or, alternatively, elevation angles) are obtained with respect to this local vertical, and horizontal ...
Instruments used in surveying include: Alidade; Alidade table; Cosmolabe; Dioptra; Dumpy level; Engineer's chain; Geodimeter; Graphometer; Groma (surveying) Laser scanning; Level; Level staff; Measuring tape; Plane table; Pole (surveying) Prism (surveying) (corner cube retroreflector) Prismatic compass (angle measurement) Ramsden surveying ...
Surveying instruments ... Pages in category "Geodesy" The following 166 pages are in this category, out of 166 total. ... Physical geodesy; Planetary coordinate system;
Measuring instruments used for surveying. Pages in category "Surveying instruments" The following 53 pages are in this category, out of 53 total. ... you agree to the ...
Geodesy - the science of measuring and representing the geometry, gravity, and spatial orientation of the Earth in temporally varying 3D. List of geodesists; History of geodesy; Physical geodesy; International Union of Geodesy and Geophysics; International Association of Geodesy
Geodesy or geodetics [1] is the science of measuring and representing the geometry, gravity, and spatial orientation of the Earth in temporally varying 3D.It is called planetary geodesy when studying other astronomical bodies, such as planets or circumplanetary systems. [2]
A wooden tripod holding an optical level is set up firmly on the ground. Levelling or leveling (American English; see spelling differences) is a branch of surveying, the object of which is to establish or verify or measure the height of specified points relative to a datum.
Geophysical surveys are used in industry as well as for academic research. The sensing instruments such as gravimeter, gravitational wave sensor and magnetometers detect fluctuations in the gravitational and magnetic field. The data collected from a geophysical survey is analysed to draw meaningful conclusions out of that.