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Nguyen, C. S., Nguyen, T. T. H., Vu, D. T., Phan, D. T. L., Bui, T. L. H., Vu, T. T., & Dao, T. B. H. (2021). Assesment of geocentre motion in building International Terrestrial Reference Frame . Journal of Geodesy and Cartography, (48), 59–64. https://doi.org/10.54491/jgac.2021.48.250
Abstract
Geocentre motion is a significantfactor inconstructing the International Terrestrial Reference Frame. The motion of the Earth’s centre is fundamental to addressing scientific challenges pertaining to the quantification of changes that are affecting the Earth system involving plate tectonics, coseismic and postseismic deformations, current ice melting, sea level rise… This paper discusses the main drift origin of the different versions of the International Terrestrial Reference Frame (ITRF), the method for estimating geocentre motions from space geodetic observations and the effects of the geocentre motion to defining the origin of the International Terrestrial Reference Frame. The determination of the variation of geocentre is a crucial important topic as well as determination and maintenance of the ITRF.
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