Supporting data for “Measurands, uncertainty and detectability constraints in short-campaign GNSS on the Drygalski Ice Tongue, East Antarctica”
Description
This dataset supports the manuscript “Measurands, uncertainty and detectability constraints in short-campaign GNSS on the Drygalski Ice Tongue, East Antarctica”. It documents 12 GNSS stations and 248 final station-days from the 2025–2026 campaign. The package contains Supplementary Tables S1 and S2; Bernese GNSS processing configuration and station-day quality-control summaries for the 25 campaign sessions; horizontal velocity and apparent Up-component rate results obtained under four stochastic covariance models; the prepared horizontal coordinate series and the Up-component series produced after two alternative tide-removal treatments; representative HectorP 0.1.12 control configurations; and formal fit diagnostics for the two tidal-response metrics. The tested stochastic models are White, Flicker+White, random-walk+White and free GGM+White. They are alternative covariance descriptions applied to the same coordinate series and their estimates are not averaged. For the vertical analysis, the two prepared series correspond to removal of a fitted station-specific harmonic reconstruction and removal based on a fitted regional tide prediction. The included README files and data dictionaries describe the contents, variables and analysis settings.
Files
Steps to reproduce
The HectorP trend-estimation fits can be rerun using the prepared MOM time series and the representative control files supplied in the package. HectorP version 0.1.12 was used. After extracting the archive, select the appropriate horizontal or vertical prepared series and one of the four model-specific control examples. Replace “XXXX” with the four-character station name and select the required horizontal component or vertical tide-removal path. Run: estimatetrend -i <control_file> The horizontal controls estimate amplitudes at the offset epochs recorded in the MOM headers. Offset estimation is disabled for both vertical tide-removal paths. No annual, semiannual or other periodic terms are included. The resulting trends, standard uncertainties, AIC and BIC values can be compared with the supplied station-level result tables.
Institutions
- University of BolognaEmilia-Romagna, Bologna