GEODAC

WEGENER Geodynamic Data and Analysis Center

GEODAC

Welcome to the website of the WEGENER's GEOdynamic Data and Analysis Center, GEODAC for short. At this site you can find archived GNSS data, from both episodic or permanent campaigns. Access to these data depends on data owner policy. Data from stations managed by the University of Porto is freely available as well as some historic data. The second objective of GEODAC is to provide automatic analysis of GNSS time series to estimate the station velocity. Realistic error bars are computed through an approach that takes into account the temporal correlations that exist in the signal. After free registration, the user can upload his GNSS time-series which will be automatically processed and the results presented in the form of figures and tables that can be downloaded. The web service uses state-of art proprietary software developed at the University of Porto (Bos et al., 2008).

The website is organized into 3 access levels. Data from level-3 sites can be accessed by any visitor of the site. Examples are the GNSS data of the University of Porto. Data from level-2 sites can be accessed by all registered users after login. Data from level-1 sites is only visible to users that have uploaded these data and is the default access level for users who upload GNSS time-series.

Acknowledgement

This work was developed with support of FCT project KINEMA (PTDC/CTE-GIN/82681/2006).

Reference

Bos, M.S, Fernandes, R.M.S, Williams, S.D.P and Bastos, L., (2008): .Fast error analysis of continuous GPS observations., Journal of Geodesy, Vol. 82(3), 157.166.

WEGENER stands for Working group of European Geoscientists for the Establishment of Networks for Earth-science Research. The primary goals of the WEGENER project are:

  • Continue as a framework for geodetic/geophysical/geological cooperation in the study of the Eurasian/African/Arabian plate boundary zone;
  • Foster the use of space-borne, airborne and terrestrial hybrid techniques for earth observation;
  • Define effective integrated observational strategies for these techniques to reliably identify and monitor crustal movements and gravity field variations over all time-scales;
  • Facilitate and stimulate the integrated exploitation of data from different techniques in the analysis and interpretation of geo processes;
  • Organize periodic meetings with special emphasis on interdisciplinary research and interpretation and modelling issues;
  • Reinforce cooperation with African and Arabian countries and colleagues, which can both contribute to understanding the kinematics and dynamics of the Eurasian/African/Arabian plate boundary zone and promote the growth of such research in these countries.