Investigating effects in GNSS station coordinate time series

Diana Haritonova, Janis Balodis, Inese Janpaule

Abstract


The vertical and horizontal displacements of the Earth can be measured to a high degree of precision using GNSS. Time series of Latvian GNSS station positions of both the EUPOS®-Riga and LatPos networks have been developed at the Institute of Geodesy and Geoinformation of the University of Latvia (LU GGI). In this study the main focus is made on the noise analysis of the obtained time series and site displacement identification. The results of time series have been analysed and distinctive behaviour of EUPOS®-Riga and LatPos station coordinate changes have been identified. The possible dependences of GNSS station coordinate distribution on EPN station problems, seismic activity of some areas of Latvia and solar activity have been considered and are presented in this paper.

Keywords:
GNSS, permanent networks, time series analysis, station displacements

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References


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DOI: 10.7250/iscconstrs.2014.09

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