Monitoring of Geomagnetic and Telluric Field Disturbances in the Russian Arctic

Show simple item record Kozyreva, Olga V. Pilipenko, Vyacheslav A. Marshalko, Elena E. Sokolova, Elena Yu. Dobrovolsky, Mikhail N. 2022-04-14T10:36:59Z 2022-04-14T10:36:59Z 2022
dc.description.abstract The influence of space factors on technological systems in the Arctic (power transmission lines, oil/gas pipelines) has become critically important. To examine in depth these effects, an archive of digital 1 min data from Soviet/Russian magnetic stations deployed along the Arctic coast was created, starting from 1983 to the present. All data from various sources were converted to daily files in standard IAGA-2002 format and supplemented with quick-look magnetograms. Some of these data are included already in the existing world magnetic field databases, but not all. Examples of disturbances known to excite intense geomagnetically induced currents in power transmission lines were presented: irregular Pi3 pulsations and magnetic perturbation events. The database was augmented with the global 3D model of the Earth’s conductivity structure. The given example showed how the combined usage of the geomagnetic field database and the conductivity model enables one to synthesize the geoelectric field response to geomagnetic variations, and to assess the distortions of the pipeline-soil potential. To determine regions most susceptible to geomagnetic hazard, a map with normalized telluric fields was created for a uniform sinusoidally varying magnetic disturbance. This map showed that the largest electrotelluric potentials and field are induced in regions with a high resistivity (e.g., Kola Peninsula and Ural Mountains). This database can be also a useful support for space missions in the magnetosphere. The database is publicly available on the anonymous FTP site.
dc.language.iso en
dc.publisher MDPI AG
dc.relation.ispartofseries Applied sciences
dc.rights CC BY 4.0
dc.subject magnetic stations
dc.subject Arctic
dc.subject ULF pulsations
dc.subject geophysical databases
dc.subject geomagnetically induced currents
dc.subject telluric fields
dc.subject pipelines
dc.title Monitoring of Geomagnetic and Telluric Field Disturbances in the Russian Arctic
dc.format.volume 12
dc.format.issue 8
dc.identifier.urn URN:NBN:fi-fe2022041429183
dc.contributor.organization Ilmatieteen laitos fi
dc.contributor.organization Finnish Meteorological Institute en
dc.relation.doi 10.3390/app12083755
dc.relation.issn 2076-3417
dc.type.okm A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.type.okm A1 Journal article (refereed), original research en

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