Volumen 57 (2022): Heft s1 (December 2022) Proceedings of the Second Earth Orientation Parameters Prediction Comparison Campaign (2nd EOP PCC) Workshop, online, February 15-16, 2022
Volumen 56 (2021): Heft 4 (December 2021)
Volumen 56 (2021): Heft 3 (September 2021)
Volumen 56 (2021): Heft 2 (June 2021)
Volumen 56 (2021): Heft 1 (March 2021)
Volumen 55 (2020): Heft 4 (December 2020)
Volumen 55 (2020): Heft 3 (September 2020)
Volumen 55 (2020): Heft 2 (June 2020)
Volumen 55 (2020): Heft 1 (March 2020)
Volumen 54 (2019): Heft 4 (December 2019)
Volumen 54 (2019): Heft 3 (September 2019)
Volumen 54 (2019): Heft 2 (June 2019)
Volumen 54 (2019): Heft 1 (March 2019)
Volumen 53 (2018): Heft 4 (December 2018)
Volumen 53 (2018): Heft 3 (September 2018)
Volumen 53 (2018): Heft 2 (June 2018)
Volumen 53 (2018): Heft 1 (March 2018)
Volumen 52 (2017): Heft 4 (December 2017)
Volumen 52 (2017): Heft 3 (September 2017)
Volumen 52 (2017): Heft 2 (June 2017)
Volumen 52 (2017): Heft 1 (March 2017)
Volumen 51 (2016): Heft 4 (December 2016)
Volumen 51 (2016): Heft 3 (September 2016)
Volumen 51 (2016): Heft 2 (June 2016)
Volumen 51 (2016): Heft 1 (March 2016)
Volumen 50 (2015): Heft 4 (December 2015)
Volumen 50 (2015): Heft 3 (September 2015)
Volumen 50 (2015): Heft 2 (June 2015)
Volumen 50 (2015): Heft 1 (March 2015)
Volumen 49 (2014): Heft 4 (December 2014)
Volumen 49 (2014): Heft 3 (September 2014)
Volumen 49 (2014): Heft 2 (June 2014)
Volumen 49 (2014): Heft 1 (March 2014)
Volumen 48 (2013): Heft 4 (December 2013)
Volumen 48 (2013): Heft 3 (September 2013)
Volumen 48 (2013): Heft 2 (June 2013)
Volumen 48 (2013): Heft 1 (March 2013)
Volumen 47 (2012): Heft 4 (December 2012)
Volumen 47 (2012): Heft 3 (September 2012)
Volumen 47 (2012): Heft 2 (June 2012)
Volumen 47 (2012): Heft 1 (March 2012)
Volumen 46 (2011): Heft 4 (December 2011) Proceedings of the Conference on "Satelitarne metody wyznaczania pozycji we wspólczesnej geodezji i nawigacji" held in Wroclaw, Poland, June 2-4, 2011 - Part II
Volumen 46 (2011): Heft 3 (September 2011) Proceedings of the Conference on "Satelitarne metody wyznaczania pozycji we wspólczesnej geodezji i nawigacji" held in Wroclaw, Poland, June 2-4, 2011 - Part I
Volumen 46 (2011): Heft 2 (June 2011)
Volumen 46 (2011): Heft 1 (March 2011)
Volumen 45 (2010): Heft 4 (December 2010)
Volumen 45 (2010): Heft 3 (September 2010)
Volumen 45 (2010): Heft 2 (June 2010) Proceedings of the IERS Workshop on EOP Combination and Prediction, Warsaw, 19-21 October 2009
Online veröffentlicht: 29 Dec 2022 Seitenbereich: 194 - 209
Zusammenfassung
Abstract
The question of the connection between solar and thunderstorm activity is not new. The discussion among scientists began before the cosmic era. The correlations of the ground-based registration of the cosmic ray flux and meteorological observations have been performed since the 50s of the 20th century. The discussed problem is related to the influence of cosmic rays on the creation of clouds, particularly thunderstorm clouds. The intensity of the galactic cosmic ray flux is controlled by the density and velocity of the solar wind. The increase in the solar wind flux during high solar activity leads to decreasing galactic cosmic ray flux, but on the other hand, the solar activity creates solar cosmic rays. Using data from the PERUN system and the DEMETER satellite, we tried to estimate the connection between the thunderstorm activity in Poland and solar activity during the period of the DEMETER operational activity (2004–2010). The influence of thunderstorms on the ionosphere and its dependence on solar activity is also discussed. However, due to the short time interval of the available data covering an insignificant part of the solar cycle, close to the minimum activity, our findings are not fully conclusive. No correlation was found between the cosmic ray flux and lightning activity given by the number of the discharges. However, some of the most energetic lightning discharges in the analyzed period occurred close to the minimum of the solar activity and their appearance is discussed.
Online veröffentlicht: 29 Dec 2022 Seitenbereich: 210 - 236
Zusammenfassung
Abstract
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 second-class 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.
The question of the connection between solar and thunderstorm activity is not new. The discussion among scientists began before the cosmic era. The correlations of the ground-based registration of the cosmic ray flux and meteorological observations have been performed since the 50s of the 20th century. The discussed problem is related to the influence of cosmic rays on the creation of clouds, particularly thunderstorm clouds. The intensity of the galactic cosmic ray flux is controlled by the density and velocity of the solar wind. The increase in the solar wind flux during high solar activity leads to decreasing galactic cosmic ray flux, but on the other hand, the solar activity creates solar cosmic rays. Using data from the PERUN system and the DEMETER satellite, we tried to estimate the connection between the thunderstorm activity in Poland and solar activity during the period of the DEMETER operational activity (2004–2010). The influence of thunderstorms on the ionosphere and its dependence on solar activity is also discussed. However, due to the short time interval of the available data covering an insignificant part of the solar cycle, close to the minimum activity, our findings are not fully conclusive. No correlation was found between the cosmic ray flux and lightning activity given by the number of the discharges. However, some of the most energetic lightning discharges in the analyzed period occurred close to the minimum of the solar activity and their appearance is discussed.
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 second-class 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.