Analysis of Crustal Deformations Based on SLR Data
Laser ranging to artificial satellites and VLBI are the only modern geodetic techniques having a longer history of precise data acquisition which enables the monitoring of crustal deformations in regional and global scale. The 12-year span laser ranging data to LAGEOS were analysed to give the tectonic motions of about 40 stations. To investigate the stability of the computation of station coordinates and site motions different analysis methods were used, e.g. different arc lengths for the orbit adjustment and different techniques for the site motion determination. The obtained solutions have been compared to the geophysically derived model NUVEL-1 (correlation 0.97). The vertical site motions not included in the geophysical models were also treated.
KeywordsCrustal Deformation Pacific Plate North American Plate Tectonic Motion South American Plate
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