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  2. Baseline (sea) - Wikipedia

    en.wikipedia.org/wiki/Baseline_(sea)

    A baseline, as defined by the United Nations Convention on the Law of the Sea, is the line (or curve) along the coast from which the seaward limits of a state's territorial sea and certain other maritime zones of jurisdiction are measured, such as a state's exclusive economic zone. Normally, a sea baseline follows the low-water line of a ...

  3. Seabed - Wikipedia

    en.wikipedia.org/wiki/Seabed

    The seabed (also known as the seafloor, sea floor, ocean floor, and ocean bottom) is the bottom of the ocean. All floors of the ocean are known as 'seabeds'. The structure of the seabed of the global ocean is governed by plate tectonics. Most of the ocean is very deep, where the seabed is known as the abyssal plain. Seafloor spreading creates ...

  4. Territorial waters - Wikipedia

    en.wikipedia.org/wiki/Territorial_waters

    Normally, the baseline is the low-water line along the coast as marked on large-scale charts that the coastal state recognizes. This is either the low-water mark closest to the shore or an unlimited distance from permanently exposed land, provided that some portion of elevations exposed at low tide but covered at high tide (such as mud flats) is within 3 nautical miles (5.6 kilometres; 3 + 1 ...

  5. Scientists make surprise discovery of life in the seafloor’s ...

    www.aol.com/scientists-surprise-discovery-life...

    Sunlight can’t penetrate the depths of the ocean floor to help organisms convert elements into oxygen and sugar through photosynthesis. Instead of sunlight, chemosynthetic bacteria use chemical ...

  6. Researchers made startling find while mapping ocean floor - AOL

    www.aol.com/weather/researchers-startling-while...

    The wreck is on the NOAA's "Potentially Polluting Wrecks" list, which is a list of 87 sunken vessels located in various spots across the United States ocean floor that could pose a threat to the ...

  7. Missing Titanic sub update - Debris confirms deaths as family ...

    www.aol.com/titanic-submarine-missing-latest...

    At least three of the crew were fee-paying tourists being taken to tour the disintegrating wreck of the doomed ocean liner the Titanic, which sank in 1912 at the cost of 1,500 lives and whose ...

  8. Continental margin - Wikipedia

    en.wikipedia.org/wiki/Continental_margin

    The continental shelf is the relatively shallow water area found in proximity to continents; it is the portion of the continental margin that transitions from the shore out towards to ocean. Continental shelves are believed to make up 7% of the sea floor. [3] The width of continental shelves worldwide varies in the range of 0.03–1500 km. [4]

  9. General Bathymetric Chart of the Oceans - Wikipedia

    en.wikipedia.org/wiki/General_Bathymetric_Chart...

    GEBCO is the only intergovernmental body with a mandate to map the whole ocean floor. At the beginning of the project, only 6 per cent of the world's ocean bottom had been surveyed to today's standards; as of June 2022, the project had recorded 23.4 per cent mapped. About 14,500,000 square kilometres (5,600,000 sq mi) of new bathymetric data ...