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Title: OPTIMIZED SOLUTION IN ENTERING ZERO-POINT DRIFT CORRECTIONS IN RESULTS FROM RELATIVE GRAVITY MEASUREMENTS

Year

2024

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210

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Title

OPTIMIZED SOLUTION IN ENTERING ZERO-POINT DRIFT CORRECTIONS IN RESULTS FROM RELATIVE GRAVITY MEASUREMENTS

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Authors

Severina Djorova

DOI

10.5593/sgem2024/2.1/s09.28

DOI Issue

10.5593/sgem2024/2.1

ISSN

1314-2704

ISBN

978-619-7603-69-9

Language

English

Volume

Issue

2.1

Editor

• Prof. DSc. Oleksandr Trofymchuk, UKRAINE
• Prof. Dr. hab. oec. Baiba Rivza, LATVIA

Scientific Area

Geodesy and Mine Surveying

Abstract/ Foreword

The study of a gravimetric network is closely connected with determining the value of the drift on the gravimeter scale (zero-point drift; drift). The realization of a great number of over-measured quantities makes preliminary processing of gravity measurements a hard, slow, and delicate process. The main purpose of this research is to investigate a method that would simplify the overall technology of gravimetric measurement and post-processing of the results obtained. A modification of the commonly adopted adjustment approach is offered, where the velocity of the zero-point drift is introduced as an additional unknown quantity in the parametric adjustment. The options for optimization of the complete program of measuring and processing a gravimetric network are described. The advantages of the applied method are explained. It is shown that this is a more reliable and rational way to process gravimetric measurements. The analysis is supported by an example from a specific and real object. Conclusions and recommendations follow.

References (click to open)

[1] Atanasov, S.N., Theory of mathematical processing of geodetic measurements, State Publishing House ''Technique'', 1988
[2] Cvetkov V., Adjustment of the highest order geometric levelling networks, Monography, Sofia, 2024, ISBN 978-619-92816-0-4
[3] Cvetkov V., On initial data in adjustments of the geometric levelling networks (on the mean of paired observations), Journal of Geodetic Science, vol. 14, no. 1, 2024, pp. 20220170, https://doi.org/10.1515/jogs-2022-0170
[4] Ogorodova, L.V., Shimbirev, B., Yuzefovich, A., Gravimetry, Moscow, "Nedra", 1983
[5] Peneva, E., On the implementation of the European Vertical Reference System in Bulgaria, 21th International Multidisciplinary Scientific Geo Conference Surveying, Geology and Mining, Ecology and Management (SGEM 2021). Conference proceedings 2021, Albena, Bulgaria, 14 – 22 August, 2021, ISSN 1314-2704, doi.org/10.5593/sgem2021/2.1/s09.48
[6] Tsanovski, Y., GNSS Measurements for the Needs of Precise Height Determinations in Bulgaria, Annual of the University of Architecture, Civil Engineering and Geodesy –Sofia, Vol. 54, 2021, Issue 2, pp. 211 –217, ISSN 1310-814X, ISSN 2534-9759
[7] Veselov, K.E., Gravimetric Survey, Moscow "Nedra", 1986
[8] Valev, G., Gospodinov, S., Adjustment of geodynamic networks by introducing the velocities of geodetic points as additional unknowns, Annual of the VIAS, Volume III, Geodesy and Land Management, Volume XXXIII, 1987-88

Acknowledgements (click to open)

Type

conference

Url

https://doi.org/10.5593/sgem2024/2.1/s09.28

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Proceedings Тitle

Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024

Note

24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 7 July, 2024

Type

Proceedings Paper

Publisher

STEF92 Technology

Series

International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM

Organization

SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.

Pages

229-234

Date

1 - 7 July, 2024

Online Source Type

website

Digital Source Type

9940

Keywords

gravimetric network, drift of the zero-point, parametric adjustment, gravity corrections

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Title: OPTIMIZED SOLUTION IN ENTERING ZERO-POINT DRIFT CORRECTIONS IN RESULTS FROM RELATIVE GRAVITY MEASUREMENTS

References (click to open)

Acknowledgements (click to open)

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