A global lithospheric magnetic field model between ± 65° latitude derived from CSES satellite scalar data

Jie Wang, Xuhui Shen*, Yanyan Yang, Zhima Zeren, Bin Zhou, Magnes Werner, Angelo De Santis, Jianping Huang, Changli Yao, Zelin Li, Yuanman Zheng, Shufan Zhao, Hengxin Lu, Qiao Wang, Wei Chu, Feng Guo, Andreas Pollinger, Roland Lammegger

*Korrespondierende/r Autor/-in für diese Arbeit

Publikation: Beitrag in einer FachzeitschriftArtikelBegutachtung

Abstract

The China Seismo-Electromagnetic Satellite (CSES) was launched successfully in February 2018. It is China's first satellite to measure geophysical fields with scientific goals in both space and solid earth physics. In this work, we used CSES scalar magnetic data to derive a global lithospheric magnetic field model between ±65° geographic latitudes. The nightside data from March 2018 to November 2022 under quiet space weather conditions were selected. Then, the core and external fields were removed with the CHAOS-7 model. After further data quality control, the data were used to build a lithospheric magnetic field model using a spherical harmonic analysis. The obtained CSES model was compared with the CHAOS-7, CM6, and MF7 models in terms of power spectra and anomaly details, which confirmed that the CSES scalar data had good quality and could provide a reliable lithospheric magnetic field model up to degree 42.
Originalspracheenglisch
Aufsatznummer107036
Seitenumfang10
FachzeitschriftPhysics of the Earth and Planetary Interiors
Jahrgang340
DOIs
PublikationsstatusVeröffentlicht - Juli 2023

Schlagwörter

  • Lithospheric magnetic anomaly
  • Satellite magnetic survey
  • CSES
  • Lithospheric magnetic field model
  • Long-wavelength magnetic anomaly

ASJC Scopus subject areas

  • Astronomie und Astrophysik
  • Geophysik
  • Astronomie und Planetologie
  • Physik und Astronomie (sonstige)

Fields of Expertise

  • Advanced Materials Science

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