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Physical oceanography
The scientific study of the physical conditions and processes related to the motions and physical properties of ocean currents and waters.
Industry: Earth science
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Physical oceanography
Oxygen isotope ratio
Earth science; Physical oceanography
The ratio of oxygen-18 to oxygen-16, used as an indicator of paleotemperatures since it is related to ocean temperature.
Emissivity
Earth science; Physical oceanography
The ratio of the emittance from a body to that of a black body emitter at the same temperature, i.e. the degree to which a real body approaches a black body radiator.
Humidity mixing ratio
Earth science; Physical oceanography
The ratio of the mass of water vapour in a sample of moist air to the mass of dry air with which it is associated.
Ocean
Earth science; Physical oceanography
The body of salt water that covers about 70 percent of the Earth's surface. The Pacific Ocean is by far the world's largest ocean.
Oceanography
Earth science; Physical oceanography
The scientific study and exploration of the ocean and of the plants and animals that live in it.
Red tide
Earth science; Physical oceanography
A reddish-brown area in a body of water, such as ocean or river. Red tides are caused by a sudden increase in dinoflagellates.
Saltwater
Earth science; Physical oceanography
Containing water that is very salty. Oceans are saltwater bodies that are fed mainly by rivers.
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