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ITERATIVE METHOD FOR ACCOUNTING THE LUNI-SOLAR TIDE AND CHANGES IN ATMOSPHERIC PRESSURE
1 Vladimir State University named after Alexander and Nikolay Stoletov
2 Schmidt Institute of Physics of the Earth, Russian Academy of Sciences
Journal: Geophysical research
Tome: 25
Number: 1
Year: 2024
Pages: 28-39
UDK: 550.831.23:550.312
DOI: 10.21455/gr2024.1-2
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Drobyshev
D.V M.N. ITERATIVE METHOD FOR ACCOUNTING THE LUNI-SOLAR TIDE AND CHANGES IN ATMOSPHERIC PRESSURE
// . 2024. Т. 25. № 1. С. 28-39. DOI: 10.21455/gr2024.1-2
@article{Drobyshev
D.VITERATIVE2024,
author = "Drobyshev
D.V, M. N.",
title = "ITERATIVE METHOD FOR ACCOUNTING THE LUNI-SOLAR TIDE AND CHANGES IN ATMOSPHERIC PRESSURE
",
journal = "Geophysical research",
year = 2024,
volume = "25",
number = "1",
pages = "28-39",
doi = "10.21455/gr2024.1-2",
language = "English"
}
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Keywords: high-precision gravimetric observations, relative gravimeter, atmospheric pressure, delta factor, luni-solar tide.
Аnnotation: Obtaining the most accurate and reliable gravimetric data has always been and remains the main task of gravimetry. The purpose of the authors’ long-term research and this work, in particular, is to determine interference in gravimetric data caused by various external influences and to find ways to take them into account or eliminate them. The proposed method of iteratively taking into account pressure and tidal correction made it possible to increase the accuracy of single gravimetric readings to ±2 µGal.
The main instruments for many years of research were relative automated gravimeters of the CG Auto-grav series from Scintrex, on the example of which the main results obtained in the work are shown. In gravimeters CG-5 and CG-6, the instrumental registration accuracy is 1.0 and 0.1 µGal, respectively. However, it cannot be said that a single reading will give the value of the gravity increment with the specified accuracy. Relative gravimeters, in addition to the desired value, also record the device’s response to inertial influence, changes in meteorological factors and its own hardware errors, which cannot be eliminated without additional information.
Under the conditions of the Zapolskoye geophysical observatory in the Vladimir region, continuous gravimetric, seismic and meteorological measurements were carried out for eight and a half months. The data obtained made it possible to analyze the possibility of partially taking into account the influence of the atmospheric pressure and determining the correct values of delta factors for 20 groups of waves with periods of 48 days or less. The minimum duration of the gravimetric series to obtain delta factors of waves with periods from 0.02 to 3.38 cycles per day was also estimated at six months.
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Abramov D.V., Drobyshev M.N., Koneshov V.N., Specifying the values of delta factor for the Dolgoe Ledovo permanent gravity station, Izvestiya. Physics of the Solid Earth, 2013, vol. 49, no. 1, pp. 80-82.
CG-6 Autograv Gravity Meter Operation manual, Concord, Scintrex, 2019, 98 p.
Drobyshev M.N., Koneshov V.N., Abramov D.V., Malysheva D.A., Improving the accuracy of gravimetric ob-servations using seismic information, Geofizicheskie issledovanija (Geophysical Research), 2021, vol. 22, no. 3, pp. 26-34. [In Russian].
Elsaka B., Comparison of Different Polynomial Degrees for Correcting the Instrumental Drift of Scintrex CG-5 Autograv Gravimeter, Australian Journal of Basic and Applied Sciences, 2020, vol. 14, no. 5, pp. 19-25. DOI: 10.22587/ajbas.2020.14.5.3
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Gravirov V.V., Deshcherevskii A.V., Kuzmin Yu.O., Likhodeev D.V., Sobisevich A.L., Shirokov I.A., Improve-ments in the high-precision tiltmeter instrument systems located in the underground geophysical observa-tory, Seismicheskie Pribory (Seismic Instruments), 2022, vol. 58, no. 1, pp. 29-52. [In Russian].
Laurent P.J., Approximation et optimisation, Paris, Editions Hermann, 1972, 531 p.
Longman I.M., Formulas for computing the tidal accelerations due to the Moon and the Sun, Journal of Geo-physical Research, 1959, vol. 64, no. 12, pp. 2351-2355.
Malysheva D.A., Dorozhkov V.V., On the possibility of registering microseismic components in a seismically quiet place, in Materialy X Mezhdunarodnoj nauchno-tehnicheskoj konferencii “Perspektivnye tehnologii v sredstvah peredachi informacii – PTSPI'2013”. T. 2 (Materials of the X International Scien-tific and Technical Conference “Promising technologies in the media of information transmission – PTSPI'2013”. Vol. 2), Vladimir, Vladimir State University, 2013, pp. 174-176. [In Russian].
Professional wireless Internet weather station meteoscan 937PRO. Operation Manual, Oberegg, RST Group, 2017, 68 p.
Otnositel'nyi gravimetr CG-5. Sistema Scintrex Autograv: Rukovodstvo po ekspluatatsii. red. 4 (Relative gra-vimeter CG-5. Scintrex Autograv System: Operation Manual. ed. 4), Ontario, Scintrex, 2008, 156 p. [In Russian].
Savitzky A., Golay M.J.E., Smoothing and Differentiation of Data by Simplified Least Squares Procedures, Ana-lytical Chemistry, 1964, vol. 36, no. 8, pp. 1627-1639. https://doi.org/10.1021/ac60214a047
Seigel H.O., A guide to high precision land gravimeter surveys, Ontario, Scintrex, 1995, 122 p.
Tehnicheskie harakteristiki Avtonomnogo Nakopitelja Informacii ANI-SD geofizicheskogo kompleksa na os-nove chastotnyh datchikov (Technical characteristics of the Autonomous Data Storage ANI-SD of the geophy¬sical complex based on frequency sensors), Tula, TulaTorgTehnika, 2012, 4 p. [In Russian].
Cifrovaja trehkomponentnaja sejsmicheskaja stancija Ugra: rukovodstvo po jekspluatacii (Ugra digital three-component seismic station: operation manual), Obninsk, GS RAN, 2005, 57 p. [In Russian].
Wenzel H.G., The nanogal software: earth tide data processing package ETERNA 3.30, Bulletin d'Informations Marees Terrestres, 1996, vol. 124, pp. 9425-9439.
Abramov D.V., Drobyshev M.N., Koneshov V.N., Specifying the values of delta factor for the Dolgoe Ledovo permanent gravity station, Izvestiya. Physics of the Solid Earth, 2013, vol. 49, no. 1, pp. 80-82.
CG-6 Autograv Gravity Meter Operation manual, Concord, Scintrex, 2019, 98 p.
Drobyshev M.N., Koneshov V.N., Abramov D.V., Malysheva D.A., Improving the accuracy of gravimetric ob-servations using seismic information, Geofizicheskie issledovanija (Geophysical Research), 2021, vol. 22, no. 3, pp. 26-34. [In Russian].
Elsaka B., Comparison of Different Polynomial Degrees for Correcting the Instrumental Drift of Scintrex CG-5 Autograv Gravimeter, Australian Journal of Basic and Applied Sciences, 2020, vol. 14, no. 5, pp. 19-25. DOI: 10.22587/ajbas.2020.14.5.3
GOST RV 1.1-96. Metrologicheskoe obespechenie vooruzhenija i voennoj tehniki. Osnovnye polozhenija (GOST RV 1.1-96. Metrological support of weapons and military equipment. Basic provisions), Moscow, Gosstandart of Russia, 1996, 26 p. [In Russian].
Gravirov V.V., Deshcherevskii A.V., Kuzmin Yu.O., Likhodeev D.V., Sobisevich A.L., Shirokov I.A., Improve-ments in the high-precision tiltmeter instrument systems located in the underground geophysical observa-tory, Seismicheskie Pribory (Seismic Instruments), 2022, vol. 58, no. 1, pp. 29-52. [In Russian].
Laurent P.J., Approximation et optimisation, Paris, Editions Hermann, 1972, 531 p.
Longman I.M., Formulas for computing the tidal accelerations due to the Moon and the Sun, Journal of Geo-physical Research, 1959, vol. 64, no. 12, pp. 2351-2355.
Malysheva D.A., Dorozhkov V.V., On the possibility of registering microseismic components in a seismically quiet place, in Materialy X Mezhdunarodnoj nauchno-tehnicheskoj konferencii “Perspektivnye tehnologii v sredstvah peredachi informacii – PTSPI'2013”. T. 2 (Materials of the X International Scien-tific and Technical Conference “Promising technologies in the media of information transmission – PTSPI'2013”. Vol. 2), Vladimir, Vladimir State University, 2013, pp. 174-176. [In Russian].
Professional wireless Internet weather station meteoscan 937PRO. Operation Manual, Oberegg, RST Group, 2017, 68 p.
Otnositel'nyi gravimetr CG-5. Sistema Scintrex Autograv: Rukovodstvo po ekspluatatsii. red. 4 (Relative gra-vimeter CG-5. Scintrex Autograv System: Operation Manual. ed. 4), Ontario, Scintrex, 2008, 156 p. [In Russian].
Savitzky A., Golay M.J.E., Smoothing and Differentiation of Data by Simplified Least Squares Procedures, Ana-lytical Chemistry, 1964, vol. 36, no. 8, pp. 1627-1639. https://doi.org/10.1021/ac60214a047
Seigel H.O., A guide to high precision land gravimeter surveys, Ontario, Scintrex, 1995, 122 p.
Tehnicheskie harakteristiki Avtonomnogo Nakopitelja Informacii ANI-SD geofizicheskogo kompleksa na os-nove chastotnyh datchikov (Technical characteristics of the Autonomous Data Storage ANI-SD of the geophy¬sical complex based on frequency sensors), Tula, TulaTorgTehnika, 2012, 4 p. [In Russian].
Cifrovaja trehkomponentnaja sejsmicheskaja stancija Ugra: rukovodstvo po jekspluatacii (Ugra digital three-component seismic station: operation manual), Obninsk, GS RAN, 2005, 57 p. [In Russian].
Wenzel H.G., The nanogal software: earth tide data processing package ETERNA 3.30, Bulletin d'Informations Marees Terrestres, 1996, vol. 124, pp. 9425-9439.
