Satellite Measured Ionospheric Magnetic Field Variations over Natural Hazards Sites

Christoph Schirninger, Hans U. Eichelberger*, Werner Magnes, Mohammed Y. Boudjada, Konrad Schwingenschuh, Andreas Pollinger, Bruno P. Besser, Pier F. Biagi, Maria Solovieva, Jindong Wang, Bingjun Cheng, Bin Zhou, Xuhui Shen, Magda Delva, Roland Lammegger

*Korrespondierende/r Autor/in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikel


Processes and threats related to natural hazards play an important role in the evolution of the Earth and in human history. The purpose of this study is to investigate magnetic field variations measured at low Earth orbit (LEO) altitudes possibly associated with earthquakes, volcanic eruptions, and artificial outbursts. We focus on two missions with well equipped magnetometer packages, the China Seismo-Electromagnetic Satellite (CSES) and ESA’s three spacecraft Swarm fleet. After a natural hazards survey in the context of this satellites, and consideration of external magnetospheric and solar influences, together with spacecraft interferences, wavelet analysed spatio-temporal patterns in ionospheric magnetic field variations related to atmospheric waves are examined in detail. We provide assessment of the links between specific lithospheric or near surface sources and ionospheric magnetic field measurements. For some of the diverse events the achieved statistical results show a change in the pattern between pre- and post-event periods, we show there is an increase in the fluctuations for the higher frequency (smaller scales) components. Our results are relevant to studies which establish a link between space based magnetic field measurements and natural hazards.
FachzeitschriftRemote Sensing
PublikationsstatusVeröffentlicht - 17 Jun 2021

ASJC Scopus subject areas

  • !!Earth and Planetary Sciences(all)

Fields of Expertise

  • Advanced Materials Science


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