Geophysics

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Geophysics

Geophysics, the study of the earth by quantitative physical methods, especially by seismic reflection and refraction, geodesy, gravity, magnetic, electrical, electromagnetic, and radioactivity methods.

It includes the branches of:

Seismology (earthquakes and elastic waves)
Gravity and geodesy (the earth's gravitational field and the size and form of the earth)
Atmospheric science, which includes:

Atmospheric electricity and terrestrial magnetism (including ionosphere, Van Allen belts, telluric currents, Radiant energy, etc.)
Meteorology and Climatology, which both involve studies of the weather.
Aeronomy, the study of the physical structure and chemistry of the atmosphere.
- Geothermometry (heating of the earth, heat flow, volcanology, and hot springs)
Hydrology (ground and surface water, sometimes including glaciology)
Physical oceanography
Tectonophysics (geological processes in the earth)
Exploration and engineering geophysics
Geophysical Engineering
Geodesy
Glaciology

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