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Earth science

Any of several geological sciences that are concerned with the earth, its origins, and all of its various structures and physical forms and phenomena.

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Earth science > Oceanography

calving

Earth science; Oceanography

The breaking away of a mass of ice from a glacier, an ice shelf, or an iceberg.

Peru current

Earth science; Oceanography

The cold ocean current flowing north along the coasts of Chile and Peru. It is one of the swiftest of ocean currents. The Peru current originates where part of the water that ...

fathom

Earth science; Oceanography

The common unit of depth in the ocean, equal to six feet. It is also sometimes used in expressing horizontal distances, in which case 100 fathoms make one cable or very nearly ...

transmission

Earth science; Oceanography

The complete passage of radiation through a medium.

tide

Earth science; Oceanography

The cyclical rise and fall of the water level in the oceans and other large bodies of water that is caused by the interaction of the rotating Earth with various forces, ...

continental slope

Earth science; Oceanography

The declivity from the outer edge of the continental shelf or continental borderland into greater depths.

hydrodynamic instability

Earth science; Oceanography

The development of an infinitessimal disturbance in a mean flow field that grows by drawing energy from the mean flow.