Some reference problems in vertical crustal movement studies

Yurkina, M. I.

doi:10.1016/0264-3707(93)90037-7

Cited by 1 publication

(1 citation statement)

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“…Some scholars and data analysis centres have made some exploratory and confirmatory studies on the reference frame of vertical crustal motion.Mother et al [ 14 ] pointed out that the geodetic reference system in four dimensions cannot be ignored because of the factors of Earth tides, plate motions, vertical crustal motions, and so on. Yurkina [ 15 ] indicated that some difficulties existed when establishing a reference system in vertical and crustal movement studies because of sea level changes considering variations of the Earth’s gravitational field and displacements of the Earth’s centre of mass (CM), and he also described the possibility by means of SLR techniques to study the vertical reference. Sun et al [ 16 ] carried out a preliminary study of the reference frame of vertical crustal movements by using a postglacial rebound model.…”

Section: Introductionmentioning

confidence: 99%

A Unified Global Reference Frame of Vertical Crustal Movements by Satellite Laser Ranging

Ren¹,

Sun²,

Wang

2016

Sensors

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Crustal movement is one of the main factors influencing the change of the Earth system, especially in its vertical direction, which affects people’s daily life through the frequent occurrence of earthquakes, geological disasters, and so on. In order to get a better study and application of the vertical crustal movement, as well as its changes, the foundation and prerequisite areto devise and establish its reference frame; especially, a unified global reference frame is required. Since SLR (satellite laser ranging) is one of the most accurate space techniques for monitoring geocentric motion and can directly measure the ground station’s geocentric coordinates and velocities relative to the centre of the Earth’s mass, we proposed to take the vertical velocity of the SLR technique in the ITRF2008 framework as the reference frame of vertical crustal motion, which we defined as the SLR vertical reference frame (SVRF). The systematic bias between other velocity fields and the SVRF was resolved by using the GPS (Global Positioning System) and VLBI (very long baseline interferometry) velocity observations, and the unity of other velocity fields and SVRF was realized, as well. The results show that it is feasible and suitable to take the SVRF as a reference frame, which has both geophysical meanings and geodetic observations, so we recommend taking the SLR vertical velocity under ITRF2008 as the global reference frame of vertical crustal movement.

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Section: Introductionmentioning

confidence: 99%