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Creation of a GNSS Station Velocity Database

V. L. Gorshkov, A. V. Mokhnatkin, N. V. Scherbakova

Transactions of IAA RAS, issue 43, 60–69 (2017)

Keywords: velocities of GNSS stations, the East European Craton geodynamics, Baltic Shield, GIPSY-OASIS software

Abstract

A GNSS-derived velocity field forms a basis for the global and regional geodynamic research. Unfortunately, only four stations in the European part of Russia are available in the global GNSS network, while hundreds of permanent GNSS stations operate currently in this area. The experience of velocity database creation for the East European Craton (EEC) area is presented. Our database maintains uniformly processed velocities of more than 200 GNSS stations, half of which is in Russia. The post-processing of initial GNSS data has been made using GIPSY software toolkit according to the PPP strategy. All modern models were taken into account for the reduction as well as all loading corrections. The calculation technique, which includes step discontinuity resolving and outlier and seasonality filtering, is described in the paper. Step discontinuities are the most significant problem under automatic estimation of velocities from GNSS coordinate time series, as their influence on the velocity is considerable. Moreover, this problem is more complicated as the algorithm can have many uncertainties for different GNSS coordinate time series. The velocities of the most reliable GNSS stations are used for estimation of geodynamic interaction of the large blocks of the EEC—the Baltic Shield and the Russian Plate. These blocks have different angular velocities with the 95 % confidence level which can be found from the velocity field of our database.

Citation

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RIS

V. L. Gorshkov, A. V. Mokhnatkin, N. V. Scherbakova. Creation of a GNSS Station Velocity Database // Transactions of IAA RAS. — 2017. — Issue 43. — P. 60–69.

@article{gorshkov2017,
  abstract = {A GNSS-derived velocity field forms a basis for the global and regional geodynamic research. Unfortunately, only four stations in the European part of Russia are available in the global GNSS network, while hundreds of permanent GNSS stations operate currently in this area. The experience of velocity database creation for the East European Craton (EEC) area is presented. Our database maintains uniformly processed velocities of more than 200 GNSS stations, half of which is in Russia. The post-processing of initial GNSS data has been made using GIPSY software toolkit according to the PPP strategy. All modern models were taken into account for the reduction as well as all loading corrections. 
The calculation technique, which includes step discontinuity resolving and outlier and seasonality filtering, is described in the paper. Step discontinuities are the most significant problem under automatic estimation of velocities from GNSS coordinate time series, as their influence on the velocity is considerable. Moreover, this problem is more complicated as the algorithm can have many uncertainties for different GNSS coordinate time series. The velocities of the most reliable GNSS stations are used for estimation of geodynamic interaction of the large blocks of the EEC—the Baltic Shield and the Russian Plate. These blocks have different angular velocities with the 95 % confidence level which can be found from the velocity field of our database.},
  author = {V.~L. Gorshkov and A.~V. Mokhnatkin and N.~V. Scherbakova},
  issue = {43},
  journal = {Transactions of IAA RAS},
  keyword = {velocities of GNSS stations, the East European Craton geodynamics, Baltic Shield, GIPSY-OASIS software},
  pages = {60--69},
  title = {Creation of a GNSS Station Velocity Database},
  url = {http://iaaras.ru/en/library/paper/1765/},
  year = {2017}
}

TY  - JOUR
TI  - Creation of a GNSS Station Velocity Database
AU  - Gorshkov, V. L.
AU  - Mokhnatkin, A. V.
AU  - Scherbakova, N. V.
PY  - 2017
T2  - Transactions of IAA RAS
IS  - 43
SP  - 60
AB  - A GNSS-derived velocity field forms a basis for the global and
regional geodynamic research. Unfortunately, only four stations in
the European part of Russia are available in the global GNSS network,
while hundreds of permanent GNSS stations operate currently in this
area. The experience of velocity database creation for the East
European Craton (EEC) area is presented. Our database maintains
uniformly processed velocities of more than 200 GNSS stations, half
of which is in Russia. The post-processing of initial GNSS data has
been made using GIPSY software toolkit according to the PPP strategy.
All modern models were taken into account for the reduction as well
as all loading corrections.   The calculation technique, which
includes step discontinuity resolving and outlier and seasonality
filtering, is described in the paper. Step discontinuities are the
most significant problem under automatic estimation of velocities
from GNSS coordinate time series, as their influence on the velocity
is considerable. Moreover, this problem is more complicated as the
algorithm can have many uncertainties for different GNSS coordinate
time series. The velocities of the most reliable GNSS stations are
used for estimation of geodynamic interaction of the large blocks of
the EEC—the Baltic Shield and the Russian Plate. These blocks have
different angular velocities with the 95 % confidence level which can
be found from the velocity field of our database.
UR  - http://iaaras.ru/en/library/paper/1765/
ER  -