publication . Article . 2015

Global maps of the magnetic thickness and magnetization of the Earth’s lithosphere

Open Access
  • Published: 26 Oct 2015
  • Country: Germany
We have constructed global maps of the large-scale magnetic thickness and magnetization of Earth’s lithosphere. Deriving such large-scale maps based on lithospheric magnetic field measurements faces the challenge of the masking effect of the core field. In this study, the maps were obtained through analyses in the spectral domain by means of a new regional spatial power spectrum based on the Revised Spherical Cap Harmonic Analysis (R-SCHA) formalism. A series of regional spectral analyses were conducted covering the entire Earth. The R-SCHA surface power spectrum for each region was estimated using the NGDC-720 spherical harmonic (SH) model of the lithospheric m...
arXiv: Physics::Geophysics
free text keywords: Space and Planetary Science, Geology
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