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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 > Physical oceanography 
Algerian Current
Earth science; Physical oceanography
A current that flows eastward along the Algerian coast in the Mediterranean Sea. It flows as a narrow, easily distinguished current for around 300 km from about 0 to 4° E with a ...
Argon-39
Earth science; Physical oceanography
An isotope of argon that is useful as a tracer in ocean studies. It is a radioactive inert gas with a half life of 269 years and is produced in the atmosphere by cosmic ray ...
acoustic tomography
Earth science; Physical oceanography
The inference of the state of the ocean from precise measurements of the properties of sound waves passing through it. This technique takes advantage of the facts that the ...
aseismic ridge
Earth science; Physical oceanography
An undersea ridge that is not seismically or volcanically active. Examples of aseismic ridges are the Walvis Ridge, the Rio Grande Plateau, the Kerguelen Plateau, the Seychelles ...
airborne expendable bathythermograph (AXBT)
Earth science; Physical oceanography
An air-deployed, expendable, ocean temperature profiling probe. The AXBT consists of a temperature probe, 300-1000 meters of cable, a VHF transmitter and antenna, and a salt ...
available potential energy (APE)
Earth science; Physical oceanography
A quantity first derived in Lorenz (1955) in an investigation to discover what portion of total potential energy could be transformed into kinetic energy under the constraint of ...
Sub-categories
- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)