Polar motion determinations by the use of new observational techniques

Details Polar motion determinations by the use of new observational techniques Polar motion determinations by the use of new observational techniques

Dec 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978artsa..13...31k&link_type=abstract

Artificial Satellites, vol. 13, Dec. 1978, p. 31-48. Research supported by the Polska Akademia Nauk.

Physics

Earth Rotation, Geodesy, Laser Range Finders, Polar Wandering (Geology), Satellite Observation, Doppler Effect, Earth Motion, Earth-Moon System, Lunar Rangefinding, Polar Coordinates

Scientific paper

The paper discusses some of the main satellite techniques being used to measure the motion of the earth's poles. The methods of determining the polar coordinates from satellite observations can be divided into kinematic and dynamic methods. The kinematic methods depend on investigating the periodic perturbations of orbital elements and the topocentric radius of satellites, while the dynamic methods analyze changes of the harmonic coefficients of the geopotential as a function of time. The basic relations used in satellite Doppler observations for polar coordinate determination, laser ranging to satellites for polar motion determination, and lunar laser ranging for determining certain earth rotation parameters are reviewed.

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