Research on Earth rotation and geodynamics in Poland in 2015–2018

• Autorzy: Bogusz Janusz , Brzezinski Aleksander , Nastula Jolanta

Identyfikatory

DOI

10.24425/gac.2019.126094

• Języki publikacji: EN

Abstrakty

EN

This paper summarizes the activity of the chosen Polish geodetic research teams in 2015–2018 in the fields of Earth: rotation, dynamics as well as magnetic field. It has been prepared for the needs of the presentation on the 27th International Union of Geodesy and Geodynamics General Assembly, Montreal, Canada. The part concerning Earth rotation is mostly focused on the use of modelling of diurnal and subdiurnal components of Earth rotation by including low frequency components of polar motion and UT1 in the analysis, study of free oscillations in Earth rotation derived from both space-geodetic observations of polar motion and the time variation of the second degree gravitational field coefficients derived from Satellite Laser Ranging (SLR) and Gravity Recovery and Climate Experiment (GRACE) observations, new methods of monitoring of Earth rotation, as well as studies on applications of the Ring Laser Gyroscope (RLG) for direct and continuous measurements of changes in Earth rotation and investigations of the hydrological excitation of polar motion. Much attention was devoted to the GRACE-derived gravity for explaining the influence of surface mass redistributions on polar motion. Monitoring of the geodynamical phenomena is divided into study on local and regional dynamics using permanent observations, investigation on tidal phenomena, as well as research on hydrological processes and sea level variation parts. Finally, the recent research conducted by Polish scientists on the Earth’s magnetic field is described.

Słowa kluczowe

EN

Earth rotation; geodynamics; Earth's magnetic field; GNSS

PL

geodynamika; pole magnetyczne; Ziemia

• Wydawca: Komitet Geodezji PAN
• Czasopismo: Geodesy and Cartography
• Rocznik: 2019
• Tom: Vol. 68, no. 1
• Strony: 65--86
• Opis fizyczny: Bibliogr. 87 poz.

Twórcy

autor

Bogusz Janusz

• Military University of Technology Faculty of Civil Engineering and Geodesy 2 Urbanowicza St., 00-908 Warsaw, Poland

autor

Brzezinski Aleksander

• Warsaw University of Technology Department of Geodesy and Geodetic Astronomy 1 Pl. Politechniki., 00-661 Warsaw, Poland
• Space Research Centre Polish Academy of Sciences 18A Bartycka St., 00-001 Warsaw, Poland

autor

Nastula Jolanta

• Space Research Centre Polish Academy of Sciences 18A Bartycka St., 00-001 Warsaw, Poland

Bibliografia

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