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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 
sidescan sonar
Earth science; Oceanography
A form of geophysical survey which uses an acoustic imaging device used to provide wide area, high resolution pictures of the seabed. The instrument towed behind the vessel ...
acid shock
Earth science; Oceanography
A sudden acidification of runoff waters from the spring melting of accumulated snow in the middle latitudes because of the winter deposition of acidic precipitation.
halocline
Earth science; Oceanography
A vertical salinity gradient in some layer of a body of water, which is appreciably greater than the gradients above and below it; also a layer in which such a gradient occurs. ...
bearing
Earth science; Oceanography
A system that measures in reference to the cardinal points of a compass in 90 degree quadrants.
inertial instability
Earth science; Oceanography
An instability of geostrophic (cyclostrophic) motion due to imbalance between pressure gradient and inertial forces for an infinitessimal disturbance that meridionally (radially) ...
anticyclone gyre
Earth science; Oceanography
A closed circulation system, ranging in size from a few hundred meters to thousands of kilometers; associated with the concentrated center of highest pressure in an anticyclone.
abyssal plain
Earth science; Oceanography
Flat areas of the ocean basin floor which slope less than 1 part in 1000. These were formed by turbidity currents which covered the preexisting topography. Most abyssal plains are ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)