Consideration of technogenic interference during geophysical shallow-depth work

Metal and reinforced concrete aboveground and underground structures at construction sites and hydrogeological surveys create anomalies of electric and magnetic fields. It is possible to exclude or weaken anomalies of technogenic nature by calculating their intensity from bodies with known anomalous parameters, through smoothing procedures, field separation, selection of techniques and installations that weaken the influence of technogenic interference. The exclusion of false technogenic anomalies makes it possible to obtain more accurate data on the elements of the geological structure of the subsurface, to increase their resolution. An example of the allocation of geological structures by a complex of electrical and magnetic exploration works on a site containing magnetized technogenic objects is given. An example of taking into account and excluding potential differences in electrical exploration by resistance methods in a section with metal grounded circuits. It is shown that it is impossible to completely exclude technogenic distortions from the picture of the observed physical fields. Even in such cases, geophysical data carry a certain and significant share of useful information about the studied subsurface. These examples show their negative impact on the effectiveness of geophysical research. Analytical and methodological techniques for attenuation and exclusion of man-made interference allow us to obtain a certain and significant share of information about the geological structure of the studied subsurface. Even in such cases, geophysical data carry a certain and significant share of useful information about the studied subsurface. The use of geophysical methods for the study of sites, including man-made anomalous objects, is advisable, but requires additional methodological techniques to weaken the influence of interference, their exclusion in the processing of materials.

Keywords: magnetic exploration, electrical exploration, engineering geophysics, hydrogeology, geophysical field survey, weathering crust, electrical resistance of soils, technogenic magnetic field.
For citation:

Kuzin A. V., Torhov V. S. Consideration of technogenic interference during geophysical shallow-depth work. MIAB. Mining Inf. Anal. Bull. 2023;(12-1):70—81. [In Russ]. DOI: 10.25018/0236_1493_2023_121_0_70.

Issue number: 12
Year: 2023
Page number: 70-81
ISBN: 0236-1493
UDK: 553.837:550.838.502
DOI: 10.25018/0236_1493_2023_121_0_70
Article receipt date: 15.05.2023
Date of review receipt: 04.10.2023
Date of the editorial board′s decision on the article′s publishing: 10.11.2023
About authors:

Kuzin A. V., Cand. Sci. (Geol. Mineral.), Docent kaf. geofiziki Ural’skogo gosudarstvennogo gornogo universiteta;,
Torhov V. S., student 3 kursa UGGU,,


For contacts:

Kuzin A.V.,


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