THE WORLD MAGNETIC SURVEY AND THE EARTH'S INTERIOR

THE WORLD MAGNETIC SURVEY AND THE EARTH'S INTERIOR

The present World Magnetic Survey is described and discussed in relation to defining the earth's main field and secular change. Some effects dependent on geomagnetic noise levels affecting the survey are indicated. Difficulties incident to the extrapolation of faulty surface-field data to the s...

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Bibliographische Detailangaben
1. Verfasser: Vestine,E H
Format: Report
Sprache:eng
Schlagworte:
EARTH(PLANET)
FLUID FLOW
GEOMAGNETISM
GEOPHYSICS
MAGNETOHYDRODYNAMICS
MEASUREMENT
RESEARCH MANAGEMENT
SCIENTIFIC ORGANIZATIONS
SCIENTIFIC SATELLITES
SURVEYING(GEOGRAPHIC)
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Zusammenfassung:The present World Magnetic Survey is described and discussed in relation to defining the earth's main field and secular change. Some effects dependent on geomagnetic noise levels affecting the survey are indicated. Difficulties incident to the extrapolation of faulty surface-field data to the surface of the core are noted. The extrapolated results of previous surveys are used to indicate the possible principal descriptive features of surface fluid motions that are derived for the outer core. (Author) Prepared for inclusion in Proceedings of the International Symposium on the Earth's Interior, held at the University of Pittsburgh, 16-20 Nov 64 Available copy will not permit fully legible reproduction. Reproduction will be made if requested by users of DDC. Copy is available for public sale.