You are watching: What are the four main branches of oceanography
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oceanography, scientific discipline came to with all elements of the world oceans and also seas, including their physical and also chemical properties, their origin and also geologic framework, and the life forms that inhabit the naval environment.
A brief treatment that oceanography follows. For full treatment, see hydrologic sciences: research of the oceans and also seas.
Does the ocean ever stand still? Is many of the world salt uncovered in oceans? Sort truth from fiction in this oceanography quiz.
Traditionally, oceanography has actually been split into four separate yet related branches: physical oceanography, chemistry oceanography, maritime geology, and marine ecology. Physics oceanography faces the properties of seawater (temperature, density, pressure, and also so on), its activity (waves, currents, and also tides), and also the interactions between the s waters and also the atmosphere. Chemical oceanography needs to do v the composition of seawater and the biogeochemical cycles that influence it. Maritime geology focuses on the structure, features, and also evolution of the s basins. Naval ecology, likewise called organic oceanography, requires the research of the plants and animals that the sea, including life cycles and also food production.
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Oceanography is the sum of these number of branches. Oceanographic research involves the sampling that seawater and marine life for close study, the remote sensing that oceanic procedures with aircraft and also Earth-orbiting satellites, and the exploration of the seafloor by method of deep-sea drilling and seismic profiling of the terrestrial crust listed below the ocean bottom. Better knowledge of the world’s oceans permits scientists to much more accurately predict, because that example, irreversible weather and also climatic alters and also leads to an ext efficient exploitation of the earth’s resources. Oceanography likewise is an essential to understanding the result of pollutants on s waters and also to the preservation of the high quality of the oceans’ waters in the challenge of increasing person demands make on them.