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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 
Acoustic Doppler Current Profiler (ADCP)
Earth science; Physical oceanography
An instrument used to measure ocean currents. It transmits high frequency acoustic signals which are backscattered from plankton, suspended sediment, and bubbles, all of which ...
Azores Current
Earth science; Physical oceanography
The northern branch of the subtropical gyre in the North Atlantic Ocean. This carries around 15 Sv of water along 35-40° N to the western part of the gyre, i.e. the Canary ...
Arctic Climate Observations using Underwater Sound (ACOUS)
Earth science; Physical oceanography
A joint U. S. and Russian program started in 1995. The main objective of ACOUS is to establish a long-term, real-time Arctic Ocean observing system using cabled moorings that ...
Arafura Sea
Earth science; Physical oceanography
Part of the southeastern Australasian Mediterranean Sea centered at about 10° S and 137° E. It is bounded by Irian Jaya and Papua/New Guinea to the north and northeast, the Timor ...
Asian Sea International Acoustics Experiment (ASIAEX)
Earth science; Physical oceanography
A scientific collaboration between the U. S. , China, Korea, Japan, Taiwan, Russia and Singapore. The ASIAEx major field experiments began in 2000, one focusing on acoustic ...
Arctic Ocean
Earth science; Physical oceanography
The smallest and most poorly studied of the oceans on earth. It covers an area of 14 million square km that is divided by three submarine ridges, i.e. the Alpha Ridge, the ...
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- Geology (10953)
- Mapping science (105290)
- Oceanography (12332)
- Physical oceanography (42660)
- Remote sensing (8661)
- Seismology (14406)
- Soil science (29216)