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Title: ASSESSMENT OF GEOPHYSICAL DATASET IN THE CENTRAL SEGMENT OF THE SOUTHERN CARPATHIANS ROMANIA
ASSESSMENT OF GEOPHYSICAL DATASET IN THE CENTRAL SEGMENT OF THE SOUTHERN CARPATHIANS ROMANIA

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Natalia-Silvia Asimopolos; Laurentiu Asimopolos; Adrian-Aristide Asimopoos
10.5593/sgem2024/1.1/s05.591
10.5593/sgem2024/1.1
1314-2704
978-619-7603-67-5
English
24
1.1
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
5.Applied and Environmental Geophysics
In this work, I used the data from the geophysics portal of the Geological Institute of Romania (maps, sections), field measurements as well as the WGM 2012 model from the International Gravimetric Bureau. The measurements carried out in the south of the Southern Carpathians were represented by magnetometric measurements. Corroboration of geophysical information with geological and tectonic ones led to the confirmation of deep structures. The geological sources, which give geophysical samples specific to each geophysical method, are characterized differently depending on their size, depth, density contrast and magnetic properties. We filtered the geophysical data, using moving averaging and the calculation of trend surfaces, thus deciphering the depth of the geological sources, taking into account the depth of investigation of each geophysical method. Within these filters, we used moving windows of different linear (1D), rectangular (2D) and paralelipiped (3D) dimensions. I calculated the coefficients of the trend surfaces for different degrees of the polynomial, so that comparisons could be made between the results obtained through different types of filters and the analytical extensions in the upper half-space (with the Laplace equation) and the lower half-space (with the Poison equation). We also used the Pearson correlation coefficient, in moving windows of different sizes. The data obtained from the digitization of maps regarding the depth of the Conrad and Moho surfaces, as well as those of the geoid and quasi-geoid, represented valuable information in the study of deep tectonics in the study area.
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[2] L.M. Blaga, M. Florian – 1984 - Contributii la studiul hidrogeologic al zacamantului hidromineral Olanesti cu ajutorul izotopilor stabili, St. tehn. econ. Inst. Geol. Geof., Seria E, 14, p. 63-84, Inst. Geol. Geof., Bucuresti.
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[9] https://www.igr.ro
[10] https://bgi.obs-mip.fr/
We thanks to BGI [https://bgi.obs-mip.fr/] for possibility to use gravimetric data and UEFISCDI Romania for financing of projects: “The realization of 3D geological / geophysical models for the characterization of some areas of economic and scientific interest in Romania” and “Artificial Intelligence and Combined Survey Techniques for Stone Quarries- AI-COSTSQO”, with contract no 305/2022.
conference
https://doi.org/10.5593/sgem2024/1.1/s05.591
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 1 - 7 July, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
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.
467-474
1 - 7 July, 2024
website
9887
Geophysical data, Data smoothing and filtering, Deep geological structures, Southern Carpathians.

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