Global vector and scalar Magsat magnetic anomaly maps

D. Ravat, R. A. Langel, M. Purucker, J. Arkani-Hamed, D. E. Alsdorf

Research output: Contribution to journalArticlepeer-review

74 Scopus citations


Empirical and analytical techniques for modeling ionospheric fields in Magsat data have been developed that facilitate ionospheric field removal from uncorrected anomalies to obtain better estimates of regional lithospheric anomalies. This task has been accomplished for equatorial ΔX, ΔZ, and ΔB component and polar ΔZ and ΔB component measurements. Data-processing techniques include retention of common signal in a correlation analysis of adjacent passes; analysis of field differences between dawn and dusk data at points where their orbits cross; and retention of common signal in a covariant spherical harmonic analysis procedure. -from Authors

Original languageEnglish
Pages (from-to)20,111-20,136
JournalJournal of Geophysical Research: Biogeosciences
Issue numberB10
StatePublished - 1995

ASJC Scopus subject areas

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Paleontology


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