Disciplines
Geophysics
Earth Science
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The physical science of Earth as a measurable body: its shape, its gravitational, magnetic and electromagnetic fields, and its internal structure, composition and dynamics, studied with quantitative and observational methods. It is one of the oldest sciences, reaching back to early seismometers and magnetic compasses, and today it serves everything from mineral and energy exploration and natural hazard assessment to the study of the planet's near-space environment.
Facts
Central QuestionHow can Earth's shape, its gravitational, magnetic and electromagnetic fields, and its internal structure and dynamics be measured and explained with the tools of physics? 1 ScopeGeophysics applies the methods of physics, including seismic, gravitational, magnetic and electrical measurement, to study the Earth's interior and near-surface structure. 1 SignificanceGeophysical surveying locates subsurface resources and structures, from oil and mineral deposits to buried faults, without direct excavation. 1 Cross-Tradition Connections
Associated With
Geodesy supports applications including geophysics.
Early seismometers are among the instruments geophysics grew from, and Earth's internal structure is central to both fields.
Encompasses
Geophysicists who specialize in paleomagnetism are called paleomagnetists.
Has Scientist
Canadian geophysicist acclaimed for his contributions to plate tectonics.
Includes
A gravitational equilibrium claim about crust and mantle.
Sources
1. Geophysics (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
a physical science concerned with the processes and properties of Earth and its surrounding space environment, studied using quantitative and observational methods
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