Programme of Research of CEI (Central European Initiative) Countries in Geodesy and Geodynamics

Janusz Sledzinski

Abstract:	The broad programme of geodetic projects and geodynamic research initiated by CEI (Central European Initiative) member countries is outlined in the paper. This organisation was originally founded in 1989 as QUADRAGONALE and then developed through PENTAGONALE, HEXAGONALE to the CEI (CENTRAL EUROPEAN INITIATIVE). Nowadays in the geodetic programme of CEI take part 15 countries (10 member countries and 5 so called associated (consultative) countries). The programme of cooperation of the Section C “Geodesy” includes 3 themes: (a) Interconnection of geodetic control networks in Central Europe, (b) GIS/LIS systems as a data base of the GEOPAR (Geoenvironmental problems of the Circumpannonian and adjacent regions) and (c) Geodynamic investigations of the region. The GPS EUREF campaigns promoted by the CEI Section C with the aim to connect the Central and Eastern European countries to the ITRF geodetic system have been performed in many CEI countries. The list of these actions is given in the paper. The backgrounds of the scientific programme in geodynamics for the region of Central Europe are discussed. Project CEI CERGOP (Central Europe Regional Geodynamics Project) was approved for realisation by the CEI member countries in May 1993. The main objectives of the Project are: to integrate the geodynamic research in the region of Central Europe based on high accuracy space geodetic measurements and an integrated geodynamic network, to provide a precise geodetic frame CEGRN (Central European GPS Reference Network) for studies of geodynamics of Central European area (Pannonia Basin, Teisseyre- Tomquist zone, Carpathian Orogenic Belt, Subalpine and Bohemian Region) and to collect observations for studies and interpretation of geodynamic interactions in Central Europe. The following countries participate in the Project: Austria, Croatia. the Czech Republic, Germany, Hungary, Italy, Poland, Romania, Slovakia, Slovenia and Ukraine. First GPS zero-epoch observation campaign of the CEGRN’94 was organised from May 2nd to May 6th, 1994. The results of this campaign processed by four CERGOP Processing Centres (Warsaw, Graz, Pent, Pecny) are already available. The second GPS campaign was performed from May 29th to June 3rd, 1995. Project CERGOP is partially financed by EU as a COPERNICUS Project. Other geodynamic projects related to CERGOP (e.g. EXTENDED SAGET) are also outlined in the paper. Four other international campaigns of EXTENDED SAGET Project were performed in 1992, 1993, 1994 and 1995. The work of eleven scientific CERGOP study groups is briefly mentioned. Further plan of action of the CEI Section C is also mentioned in the paper.
Published in:	Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995) September 12 - 15, 1995 Palm Springs, CA
Pages:	83 - 91
Cite this article:	Sledzinski, Janusz, "Programme of Research of CEI (Central European Initiative) Countries in Geodesy and Geodynamics," Proceedings of the 8th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 1995), Palm Springs, CA, September 1995, pp. 83-91.
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