| _version_ | 1866902211367272448 |
|---|---|
| author | Devoti, Roberto Riguzzi, Federica pietrantonio, grazia |
| author_facet | Devoti, Roberto Riguzzi, Federica pietrantonio, grazia |
| contents | <p>Velocity field derived from GNSS permanent stations distributed across northern Italy, operated by various public and private agencies.</p> <p>Processing position time series. Observations from the GPS, GLONASS, and GALILEO constellations were processed with the Bernese 5.2 software package using a double-difference strategy. Loosely constrained daily solutions were generated by fixing satellite orbits and Earth rotation parameters, while applying a priori loose constraints of 10 m to all station coordinates. The resulting loosely constrained GNSS time series were then aligned to the ITRF2014 reference frame through a three-parameter Helmert transformation (translations only).</p> <p>Processing velocities. Site velocities are estimated fitting simultaneously a linear drift, episodic offsets and annual sinusoids to all the coordinate time series. Offsets are estimated whenever a change in the GPS equipment induces a significant transient in the time series, whereas seasonal oscillations are accounted for by annual sinusoids. Velocities expressed in the not-net-rotation ITRF14 reference frame are given in SINEX format (https://www.iers.org/IERS/EN/Organization/AnalysisCoordinator/SinexFormat/sinex.html), whereas velocity residuals with respect to Eurasia plate are given as a tabular text file.</p> <p> </p> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17107304 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | INGV GNSS Velocity field for northern Italy Devoti, Roberto Riguzzi, Federica pietrantonio, grazia <p>Velocity field derived from GNSS permanent stations distributed across northern Italy, operated by various public and private agencies.</p> <p>Processing position time series. Observations from the GPS, GLONASS, and GALILEO constellations were processed with the Bernese 5.2 software package using a double-difference strategy. Loosely constrained daily solutions were generated by fixing satellite orbits and Earth rotation parameters, while applying a priori loose constraints of 10 m to all station coordinates. The resulting loosely constrained GNSS time series were then aligned to the ITRF2014 reference frame through a three-parameter Helmert transformation (translations only).</p> <p>Processing velocities. Site velocities are estimated fitting simultaneously a linear drift, episodic offsets and annual sinusoids to all the coordinate time series. Offsets are estimated whenever a change in the GPS equipment induces a significant transient in the time series, whereas seasonal oscillations are accounted for by annual sinusoids. Velocities expressed in the not-net-rotation ITRF14 reference frame are given in SINEX format (https://www.iers.org/IERS/EN/Organization/AnalysisCoordinator/SinexFormat/sinex.html), whereas velocity residuals with respect to Eurasia plate are given as a tabular text file.</p> <p> </p> |
| title | INGV GNSS Velocity field for northern Italy |
| url | https://doi.org/10.5281/zenodo.17107304 |