Difference between revisions of "Dictionary:Magnetic anomaly"

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The difference between observed and theoretical or predicted magnetic values. A <b>residual magnetic anomaly</b> is what remains after removal of the longer wavelength regional; the IGRF is used widely as the regional value. The shape of a magnetic anomaly depends on (a) the geometry of a body, (b) the direction of the Earth&#x2019;s magnetic field, (c) the direction and intensity of the body&#x2019;s remanent magnetism, (d) the direction of the observations with respect to the Earth&#x2019;s field.
 
The difference between observed and theoretical or predicted magnetic values. A <b>residual magnetic anomaly</b> is what remains after removal of the longer wavelength regional; the IGRF is used widely as the regional value. The shape of a magnetic anomaly depends on (a) the geometry of a body, (b) the direction of the Earth&#x2019;s magnetic field, (c) the direction and intensity of the body&#x2019;s remanent magnetism, (d) the direction of the observations with respect to the Earth&#x2019;s field.
 
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Latest revision as of 10:17, 13 July 2017

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The difference between observed and theoretical or predicted magnetic values. A residual magnetic anomaly is what remains after removal of the longer wavelength regional; the IGRF is used widely as the regional value. The shape of a magnetic anomaly depends on (a) the geometry of a body, (b) the direction of the Earth’s magnetic field, (c) the direction and intensity of the body’s remanent magnetism, (d) the direction of the observations with respect to the Earth’s field.