Earth science

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

meridional

Earth science; Oceanography

Refers to motion or distance along lines of longitude. See also zonal.

coastal zone

Earth science; Oceanography

Relatively nutrient-rich, shallow part of the ocean that extends from the high-tide mark on land to the edge of the continental shelf.

beach replenishment

Earth science; Oceanography

Replacement of beach sand removed by ocean waters. Sediment from other areas is supplied by mechanical means to supplement sand on an existing beach or to build up an eroded ...

coral reef

Earth science; Oceanography

Ridge of limestone found generally below the ocean surface. This marine feature is produced by numerous colonies of tiny coral animals, called polyps, that create calcium ...

coastal dune

Earth science; Oceanography

Sand dune that forms in coastal areas. The sand for its formation is supplied from a beach.

brine

Earth science; Oceanography

Seawater with a salinity greater than 35 parts per thousand. Usually occurs in isolated bodies of seawater that have high amounts of water loss due to evaporation.