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You are watching: What are the four branches of oceanography

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Key People:Fridtjof NansenSylvia EarleWalter MunkRobert BallardMatthew fontain Maury...(Show more)Related Topics:paleoceanographysea grantmarine geophysicsmarine geologyDouglas scale...(Show more)

oceanography, scientific discipline pertained to with all aspects of the world oceans and seas, consisting of their physical and also chemical properties, their origin and geologic framework, and also the life creates that inhabit the naval environment.

A quick treatment that oceanography follows. For complete treatment, see hydrologic sciences: examine of the oceans and also seas.


There is much to study in earth oceans and seas, from your chemical nature to the living things that populate them. Shot a small slice of oceanography v this quiz.

Traditionally, oceanography has actually been divided into 4 separate but related branches: physics oceanography, chemistry oceanography, maritime geology, and also marine ecology. Physics oceanography faces the nature of seawater (temperature, density, pressure, and so on), its motion (waves, currents, and tides), and the interactions in between the s waters and also the atmosphere. Chemical oceanography has to do v the composition of seawater and the biogeochemical cycles that influence it. Marine geology focuses on the structure, features, and also evolution that the s basins. Marine ecology, also called organic oceanography, involves the study of the plants and animals the the sea, consisting of life cycles and food production.

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Oceanography is the sum of these numerous branches. Oceanographic research entails the sampling that seawater and marine life for close study, the far sensing of oceanic procedures with aircraft and Earth-orbiting satellites, and the exploration of the seafloor by way of deep-sea drilling and also seismic profiling of the terrestrial crust listed below the s bottom. Better knowledge the the world’s oceans enables scientists to more accurately predict, because that example, irreversible weather and also climatic transforms and likewise leads to an ext efficient exploitation of the earth’s resources. Oceanography additionally is crucial to knowledge the effect of pollutants on s waters and to the conservation of the quality of the oceans’ waters in the face of increasing human demands do on them.