GPS-derived height changes in diurnal and sub-diurnal timescales

Bogusz, Janusz; Figurski, Mariusz

doi:10.2478/s11600-011-0074-5

Cited by 12 publications

(7 citation statements)

References 28 publications

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“…They proved on a 10-year span of simulated data that insufficient modelling in K1 (GPS repeatability period) can cause artificial annual oscillation in 24-hour processing, while in K2 (GPS orbiting period) may introduce semi-annual variations. The case study of ASG-EUPOS (Bogusz and Figurski, 2012) confirmed the existing residual oscillations in K1, S1 and K2 frequencies of several millimetres. For a possible explanation the multipath biases, sitespecific environmental changes (e.g.…”

supporting

confidence: 63%

Annual signals observed in regional GPS networks

Bogusz

Figurski²

2014

Acta Geodynamica Et Geomaterialia

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supporting

confidence: 63%

Annual signals observed in regional GPS networks

Bogusz

Figurski²

2014

Acta Geodynamica Et Geomaterialia

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“…Based on detection of a certain number of points of a significant magnitude and divergent displacement azimuths, not logical from the aspect of understanding geodynamic activities, we start the cleaning of the network from the data indicating "false" measurements or unstable stations. The cleaning procedure of the network is carried out in accordance to the methodology presented in the references (Bogusz et al 2013, Araszkiewicz and JarosiĔski 2013, Bogusz and Figurski 2012. A total of excluded "doubtful points" is seven so that we have 212 remaining points included in the analysis.…”

Section: Resultsmentioning

confidence: 99%

Present-day Horizontal Mobility in the Serbian Part of the Pannonian Basin; Inferences from the Geometric Analysis of Deformations

et al. 2016

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“…At small scales the time series were multi-fractal and for the larger mono-fractal. To confirm the results the authors considered two "artificial" earthquake and Crossley, 1999; Kroner and Weise, 2011) than GPS (Bogusz and Hefty, 2011;Bogusz and Kontny, 2011;Bogusz and Figurski, 2012).…”

Section: Datamentioning

confidence: 94%

Wavelet decomposition in the Earth's gravity field investigation

Bogusz¹

2013

Acta Geodynamica Et Geomaterialia

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This paper presents the results of the application of wavelet decomposition to processing data from the GGP sites (The Global Geodynamics Project). The GGP is an international project within which the Earth's gravity field changes are recorded with high accuracy at a number of stations worldwide using superconducting gravimeters. Data with a 5-second sampling interval from Wettzell and Bad Homburg were used for the research. The wavelet transform enables the investigation of the temporal changes of the oscillation amplitudes or the decomposition of the time series for the analysis of the required frequencies. The wavelet decomposition was performed using the regular orthogonal symmetric Meyer wavelet. The research concerned data from an earthquake period recorded at various locations and a quiet period when the gravimeters worked without any disturbances. The decomposition was followed by the Fast Fourier Transform for signal frequency components and then by correlation analyses of corresponding frequency components (for periods from 10 to 60 000 seconds) for all sensor combinations, for the quiet and the earthquake periods separately. Frequency components defining long term changes for all sensor combinations, as well as combinations between two sensors at the same site for the quiet days are characterised by high correlation coefficients. For the time of the earthquake, the Wettzell site data proved strong correlation for all frequency components, while the Bad Homburg site data showed an unexpected decrease of correlation for the majority of frequency components. The authors also showed that wavelet decomposition can be a good method of data interpolation, especially from the time of earthquakes. Moreover, it is a very useful tool for filtering the data and removing the noises.

show abstract

GPS-derived height changes in diurnal and sub-diurnal timescales

Cited by 12 publications

References 28 publications

Annual signals observed in regional GPS networks

Annual signals observed in regional GPS networks

Present-day Horizontal Mobility in the Serbian Part of the Pannonian Basin; Inferences from the Geometric Analysis of Deformations

Wavelet decomposition in the Earth's gravity field investigation

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