Abstract
Impact of semi-annual ionospheric total electron content variation on station displacements using single-frequency PPP
Highlights
Global Positioning System (GPS) positioning technique has been widely applied to monitor the geodynamics and geological processes, such as landslide monitoring and tectonics (Blewitt and Lavallee 2002; Meier et al 2010; Hastaoglu and Sanli 2011; Wang 2012)
The objective of this study is to assess the impact of the semi-annual total electron content (TEC) variation on station displacements derived by the SF precise point positioning (PPP) technique that is obtained in Bernese software (Dach et al 2015)
We discover the strong correlation between the semi-annual TEC variation and the station displacements derived by the SF PPP technique, in which the ionospheric delay is mitigated using the Global Ionosphere Model (GIM) and SF observables (SFO) strategies for the internal comparison
Summary
Global Positioning System (GPS) positioning technique has been widely applied to monitor the geodynamics and geological processes, such as landslide monitoring and tectonics (Blewitt and Lavallee 2002; Meier et al 2010; Hastaoglu and Sanli 2011; Wang 2012). To monitor both the landslide and tectonic motion, the determination of station displacements using GPS is the most direct and efficient means.
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