Oceanography, derived from the Greek ὠκεανός (okeanos, or Oceanus) meaning ‘ocean’, and ‘γράφω’ (graphia), meaning ‘to write’, is the branch of science concerned with the physical and biological properties of the ocean as well as marine phenomena. Oceanography covers a wide range of topics, including marine organisms and their ecosystem dynamics, ocean currents and circulation, plate tectonics and ocean floor geology, coastline erosion, and climate effects. Oceanographers focus on the deep sea as well as shallow coastal waters.
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