Geophysics 2018
DOI: 10.5772/intechopen.71027
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Inversion and Interpretation of Magnetic Anomaly in the Presence of Significant Remanence and Self-Demagnetization Based on Magnetic Amplitude

Abstract: Remanent magnetization and self-demagnetization effects of high-susceptibility body distort the intensity and direction of internal magnetization and hence complicate the inversion and interpretation of magnetic anomaly. The magnitude magnetic anomaly, which is weakly sensitive to the magnetization direction, provides an indirect way to investigate these complex anomalies. We study the sensitivity characteristics of 2D magnitude magnetic anomaly to magnetization direction and source shapes, implement the magne… Show more

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Cited by 5 publications
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“…I is a unit matrix. The preconditioned conjugate gradient algorithm follows that of Liu and Hu 53 . First, the initial model (m 0 ) is given.…”
Section: (7)mentioning
confidence: 99%
“…I is a unit matrix. The preconditioned conjugate gradient algorithm follows that of Liu and Hu 53 . First, the initial model (m 0 ) is given.…”
Section: (7)mentioning
confidence: 99%