Investigation of signals of the range 10^-3 - 10^-4 Hz registered by water-tube tiltmeters in the underground geodynamic laboratory in Książ (SW Poland)

• Autorzy: Kaczorowski Marek , Kasza Damian , Zdunek Ryszard , Wronowski Roman

Identyfikatory

DOI

10.2478/arsa-2022-0011

• Języki publikacji: EN

Abstrakty

EN

The Geodynamic Laboratory in Książ includes investigations of various kinds of geodynamic signals. Among others, we registered harmonic signals of the range 10^-3 - 10^-4 Hz. These signals had been found in the measurement series of the long water-tube (WT) tiltmeters. The discovered signals consist of two classes of harmonics associated with various kinds of phenomena. The first class of these signals belongs to viscoelastic vibrations of the Earth’s solid body, while the second class is produced possibly by the extremely long atmospheric infrasound waves. The signals of the vibrations of the Earth had been well recognized by the characteristic frequencies of the Earth’s free vibrations’ resonance, which occur mainly after strong earthquakes. The atmospheric pressure microvibrations affected the water level in the hydrodynamic systems of the WTs as a result of an inverse barometric effect. We observed that signals from both classes blend in the harmonics of similar frequencies and jointly affect the hydrodynamic systems of the WTs. We found that the amplitude of the secondclass signals strongly depends on the location of water-tube gauges inside the underground, while the amplitudes of the first-class signals are similar for all the gauges. These observations clearly indicate the atmospheric origin of the second class of registered signals.

Słowa kluczowe

EN

interferometry; time series analysis; tides; planetary waves; acoustic gravity waves; surface waves; free oscillations; ionosphere interactions; atmosphere interactions

• Wydawca: Centrum Badań Kosmicznych PAN ; De Gruyter
• Czasopismo: Artificial Satellites : Journal of Planetary Geodesy
• Rocznik: 2022
• Tom: Vol. 57, No. 4
• Strony: 210--236
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Kaczorowski Marek

• Space Research Centre, Polish Academy of Sciences, Warsaw, Poland

autor

Kasza Damian

• Faculty of Geoengineering, Mining and Geology, Wrocław University of Science and Technology, Wrocław, Poland

autor

Zdunek Ryszard

• Space Research Centre, Polish Academy of Sciences, Warsaw, Poland

autor

Wronowski Roman

• Space Research Centre, Polish Academy of Sciences, Warsaw, Poland

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).