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  2. Aug 19, 2020 · Learn about the five ocean basins of the world: Arctic, Atlantic, Indian, Pacific, and Southern. Find out their areas, depths, climates, biodiversity, and threats.

    • Pacific Ocean. The Pacific Ocean is the largest and deepest of the five oceans, its waters covering more than 30 percent of the globe and holding more than half of the world's above-ground water.
    • Atlantic Ocean. The Atlantic Ocean is the second largest ocean in the world. With an area of about 41 million square miles (106,460,000 square kilometers), it covers about 23 percent of the Earth's surface.
    • Indian Ocean. With an area of 27,243,000 square miles (70,560,000 square kilometers), the Indian Ocean is the third largest ocean and the only one enclosed on three sides.
    • Southern Ocean. The Southern Ocean, also known as the Antarctic Ocean, is the fourth largest ocean in the world, as well as the fifth ocean to be recognized.
  3. en.wikipedia.org › wiki › OceanOcean - Wikipedia

    The entire ocean, containing 97% of Earth's water, spans 70.8% of Earth's surface, making it Earth's global ocean or world ocean. This makes Earth, along with its vibrant hydrosphere a "water world" or "ocean world", particularly in Earth's early history when the ocean is thought to have possibly covered Earth completely.

  4. Jun 16, 2024 · There is only one global ocean, but it is divided into five named regions: the Atlantic, Pacific, Indian, Arctic, and Southern (Antarctic). Learn about the history, geography, and science of these oceans from NOAA.

  5. Jun 7, 2023 · Technically, there is just one global ocean as all of the marine environment is connected in some way, according to the National Oceanic and Atmospheric Administration (NOAA) . However...

  6. Learn about the different perspectives and arguments on the number of oceans on Earth. Find out how the International Hydrographic Organization, the National Geographic Society, and thermohaline circulation affect the ocean count.

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