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8 Reports on Geodesy

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Geometrical interpretation of the quasigeoid on the territory of the Czech Republic

100%

Kostelecky J. , Zeman A.

Reports on Geodesy

1998

tom z. 9/39

163-173

The surface of the local quasigeoid, constructed at the Research Institute of Geodesy, Topography and Cartography on the basis of heterogeneous data (astronomy, gravimetry) is considered as geometrical surface. For that surface the metric tensor, Christoffel symbols, Gaussian and mean curvatures were computed. The results are correlated with geotectonic structure and other geophysical phenomena of the territory of the Czech Republic.

Relative changes of station positions on the territory of Europe from the results of space geodesy techniques and an attempt at their geodynamic interpretation

100%

Kostelecky J. , Zeman A.

Reports on Geodesy

2000

tom z. 6/52

111-117

Space displacements of the points within the frame of individual plates based on the ITRS2000

100%

Kostelecký J. , Zeman A.

Reports on Geodesy

2003

tom z. 1/64

57-64

Global horizontal and vertical movements were computed for individual tectonic plates from the velocity vectors published for ITRF2000. For the stations within the frame of those plates the differences from the global displacements and their rms errors were then computed.

Analysis of the reparated observations at locality of presupposed slope movements near GOPE Station (Skalka network)

100%

Lukavec P. , Zeman A.

Reports on Geodesy

2005

tom z. 2/73

133-138

Near the IGS Station GOPE ( SE from Prague) the locality of significant recent slope movements was identified by geomorphological investigations. In the frame of complex screening of environs of geodynamic station GOPE 5 epochs of observations were performed at given network every half year (9.2002-9.2004). Observations were carried out in horizontal and vertical components. Processing was realized by adjustments of results of observations and their differences individually for horizontal resp. vertical components. Analysis of results witnees for conclusion that contemporary slope movements do not reach the values, which could endanger stability of near surroundings of GOPE station.

Detailed geoidal profile on the territory of Czech Republic and its interpretation

70%

Kostelecký J. , Pešek I. , Švabenský O. , Weigel J. , Zeman A.

Reports on Geodesy

2001

tom z. 2/57

51-55

Center of Earth's Dynamic Research (CEDR) - results of five years activity

70%

Kostelecký J. , Vondrák J. , Zeman A. , Kalvoda J. , Schenk V.

Reports on Geodesy

2005

tom z. 2/73

67-83

Center of Earth`s Dynamics Research (CEDR) - a joint venture towards research in geosciences in CEI

70%

Kostelecky J. , Vondrak J. , Zeman A. , Kalvoda J. , Schenk V.

Reports on Geodesy

2002

tom z. 1/61

93-99

Quasigeoids for the territory of the Czech Republic and their testing

61%

Kostelecký J. , Kostelecký I. , Pešek I. , Šimek J. , Švábenský O. , Weigel J. , Zeman A.

Reports on Geodesy

2002

tom z. 1/61

47-52

Development of the quasigeoids on the territory of the Czech Republic with succesive icorporating of new gravimetric observations on the territory of the CR and data gained from the territories of neighbouring countries. Estimations of accuracy of individual models. Testing the models by employment of GPS/levelling results on the profile with maximum change of quasigeoid elevation and by comparing with the GPS/levelling results at test areas.