The results of a study of the deep structure of the Earth’s polar regions based on the interpretation of gravitational anomalies, geomagnetic-field anomalies, and seismological data are presented. Based on measurements on the CHAMP and Swarm satellites, vector models of the magnetic field of the Arctic and Antarctic have been verified. To study the magnetically active zones and roots of the lithosphere observed in near-Earth space, deep sections were constructed. Density sections were obtained from gravitational anomalies, and magnetic sections were obtained from anomalies in the modulus and components of the geomagnetic field. To estimate climate risks, a joint analysis of deep sections with satellite data on variations in the ice cover of the polar regions was carried out. It showed that vertical thermofluid channels play a significant role in the process of ice melting. Distinctive features of melting centers caused by endogenous factors are revealed. The migration paths of fluid flows destroying the ice cover are visualized in sections in the form of channels with reduced magnetic and density properties. The conducted studies allows to understand the possible reasons for the localization of centers of ice and permafrost destruction. It was shown that in the permafrost zones of ancient basement blocks, thermal areas of through taliks arise under the influence of heat flows of fluid-supply channels. Melting areas can be represented by hot spots of ore clusters, within which mineral deposits are concentrated under the influence of hydrothermal flows of mineralized fluids. Studies of the deep structure of the Arctic and Antarctic are of scientific and applied importance for solving exploratory geological and geophysical problems and estimating climate risks.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Deep Structure of the Arctic and Antarctic according to Component Magnetic and Gravitational Anomalies


    Weitere Titelangaben:

    Cosmic Res


    Beteiligte:

    Erschienen in:

    Cosmic Research ; 60 , 4 ; 297-312


    Erscheinungsdatum :

    2022-08-01


    Format / Umfang :

    16 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Arctic-Antarctic Night Airglow Comparisons

    McEwen, D. J. / Zhang, Y. / Sivjee, G. G. et al. | British Library Conference Proceedings | 1999


    Arctic–Antarctic asymmetry of the ionospheric weather

    Gulyaeva, Tamara / Stanislawska, Iwona / Lukianova, Renata | Elsevier | 2022


    Arctic and Antarctic Analogs for Planetary Surface Traverses

    Hoffman, S.J. / Cameron, A.O. / American Society of Civil Engineers | British Library Conference Proceedings | 2010


    Arctic and Antarctic Analogs for Planetary Surface Traverses

    Hoffman, S. J. / Cameron, A. O. | ASCE | 2010


    Revisiting Gravitational Anomalies and a Potential Solution

    Murad, P.A. | British Library Conference Proceedings | 2009