The influence of the atmospheric front on the readings of the gravimeters and seismographs

Антонов, Ю. В.

doi:10.32454/0016-7762-2017-4-66-71

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

2017

DOI: 10.32454/0016-7762-2017-4-66-71

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The influence of the atmospheric front on the readings of the gravimeters and seismographs

Ю. В. Антонов

Abstract: Non-tidal variations of gravity are the residual part of the monitoring of the variations after subtraction from them the lunar-solar gravity variations and the drift of the zero point of the gravimeter. Non-tidal variations have a complex morphology and structure. The sources of the non-tidal variations are the intracrustal processes, flows of the charged particles in space and meteor showers. Meteor showers interacting with the Earth’s atmosphere determine the occurrence, development and movement in the atmo… Show more

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Cited by 3 publications

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Seismic-induced gravitational pulsations on the Eurasian continent

Antonov

Antonova

2019

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

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For the first time, gravity pulsations were detected during the processing of stationary observations at the Geodynamic range of RAS in Bishkek (2014). Then, similar surges were detected in stationary seismic observations in the city of Voronezh, which simultaneously coincided with the gravimetric fluctuations in Bishkek. Later, gravity pulsations were detected at Artie, Perm and Vladivostok stations. Seismic ripples are also found in Southeast Asia. In coastal zones and in the ocean, additional pulsations occur due to atmospheric processes (typhoons, cyclones, etc.). Pulsations of non-tidal variations of gravity and seismic fields are global.

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Seismic-induced gravitational pulsations on the Eurasian continent

Antonov

Antonova

2019

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

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Seismogravitational pulsations on the continents of the Earth

Антонов

Пономаренко

2019

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

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Ãðàâèìåòðè÷åñêèå è ñåéñìè÷åñêèå ïóëüñàöèè ñèíõðîííî ñîâïàäàþò âî âðåìåíè ìåaeäó ñîáîé. Óêàçàííîå îáñòîÿòåëüñòâî ñèíõðîííîñòè ðàíåå ïðîàíàëèçèðîâàíî äëÿ Åâðàçèéñêîãî êîíòèíåíòà, ãäå èìåþòñÿ äàííûå ïî ñåéñìè÷åñêèì è ãðàâèìåòðè÷åñêèì íàáëþäåíèÿì. Îêàçàëîñü, ÷òî ïóëüñàöèè ãðàâèìåòðè÷åñêîãî è ñåé-ñìè÷åñêîãî ïîëåé ìîãóò âîçíèêàòü íå òîëüêî ïîä äåéñòâèåì ìåòåîðíûõ ïîòîêîâ, íî è çà ñ÷¸ò ïðîöåññîâ, ïðîèñõîäÿùèõ â àòìîñôåðå. Ïóëüñàöèè, ñâÿçàííûå ñ ïîãîäîé, â îñíîâíîì ïðèóðî÷åíû ê ìîðñêîé ÷àñòè Åâðàçèè è ïðèëåãàþùåé ê íåé ïðèáðåaeíîé ÷àñòè êîíòèíåíòà. Âíóòðèêîíòèíåíòàëüíûå ïóëüñàöèè, à èõ ÷èñëî íà ïîðÿäîê ìåíüøå, ÷åì â ìîðñêèõ àêâàòîðèÿõ, íàáëþäàþòñÿ ïî âñåìó çåìíîìó øàðó è ñèíõðîííû ìåaeäó ñîáîé. Âåðîÿòíî, ïðè÷èíîé îáðàçîâàíèÿ âíóòðèêîíòèíåíòàëüíûõ ïóëüñàöèè ÿâëÿþòñÿ óäàðû ìåòåîðíûõ ïîòîêîâ ïî àòìîñôåðå Çåìëè, êîòîðûå âûçûâàþò â ðåçóëüòàòå êîëåáàíèÿ àòìîñôåðû. Ïóëüñàöèè â îêåàíå è ïðèáðåaeíûõ çîíàõ ñîçäàþòñÿ çà ñ÷¸ò öèêëîíè÷åñêèõ âèõðåé, êîòîðûå ÿâëÿþòñÿ ïðîäóêòîì íåðàâíîìåðíîãî íàãðåâàíèÿ ïîâåðõíîñòè Çåìëè. Ê ë þ ÷ å â û å ñ ë î â à: ïóëüñàöèè; âåðòèêàëüíàÿ ñîñòàâëÿþùàÿ ñåéñìè÷åñêîãî ïîëÿ; ëóííî-ñîëíå÷íûå âàðèàöèè ñèëû òÿaeåñòè; íåïðèëèâíûå âàðèàöèè ñèëû òÿaeåñòè; ìåòåîðíûå ïîòîêè; ñåéñìè÷åñêèé øóì. 80Ðèñ. 2. Ñðàâíåíèå íåïðèëèâíûõ ïóëüñàöèé ñèëû òÿaeåñòè â Êèðãèçèè (ÀÀÊ) è Ãåðìàíèè (BFO): à -èñõîäíàÿ çàïèñü ïåðåìåííîãî ïîëÿ ñèëû òÿaeåñòè; á -ïóëüñàöèÿ ñèëû òÿaeåñòè â Ãåðìàíèè (îñòàòî÷íàÿ àíîìàëèÿ â ðåçóëüòàòå îñðåäíåíèÿ); â -ïóëüñàöèÿ ñèëû òÿaeåñòè â Êèðãèçèè (îñòàòî÷íàÿ àíîìàëèÿ â ðåçóëüòàòå îñðåäíåíèÿ)

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Meteorological impact on gravimeter and seismometer readings

Antonov,

Ponomarenko

2023

Izvestiya Vysshikh Uchebnykh Zavedeniy. Geologiya i Razvedka

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Background. The density of atmospheric air varies with temperature. Therefore, variations in the atmospheric layer temperature leads the emergence of local gravity anomalies. The amplitude of such anomalies can exceed ±0.1 mGal. The results obtained by the Arti Geophysical Observatory(Yekaterinburg, Russia) on the non-tidal variations of gravity confirm the influence of temperature variations on gravimeter readings, which may significantly exceed the calculated data. Aim. To assess the impact of weather changes on seismic and gravity fields.Materials and methods. At the RAS Bishkek Geodynamic Test Area (Bishkek, Kyrgyzstan), RAS Institute of Geophysics (Yekaterinburg, Russia) and Zapolye Observatory (Vladimir, Russia), gravity was measured by CG-5 AUTOGRAV gravimeters. At the Shults Cape (Vladivostok, Russia), Arti (Yekaterinburg, Russia) and BFO (Black Forest, Germany [10]) observatories, gravimetric measurements were conducted by La Coste & Romberg tidal gravimeters. Results. Variations in the atmospheric layer temperature were found to lead to the emergence of local gravity anomalies. The amplitude of such anomalies can exceed ±0.1 mGal. The results obtained by the Arti Geophysical Observatory (Yekaterinburg, Russia) on the non-tidal variations of gravity confirm the influence of temperature on gravimeter readings, which may significantly exceed the calculated data. Conclusion. Meteorological processes, such as liquid-water content and the Earth’s atmospheric temperature, affect the readings of gravimeters and seismometers. The atmospheric air density varies with temperature. Along with temperature, gravimeters and seismometers are affected by pressure, humidity and water content of the atmosphere. This is related to atmospheric deformations under the influence of the Moon and the Sun. Meteor streams and their impact on the Earth’s atmosphere have the greatest influence on the readings of gravimeters and seismometers.

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The influence of the atmospheric front on the readings of the gravimeters and seismographs

Cited by 3 publications

References 0 publications

Seismic-induced gravitational pulsations on the Eurasian continent

Seismic-induced gravitational pulsations on the Eurasian continent

Seismogravitational pulsations on the continents of the Earth

Meteorological impact on gravimeter and seismometer readings

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