Geologic oceanography helps cartographers map the seafloor, such as this area of the Arctic Ocean. The bathymetric data in this map compares the elevation of the Arctic seafloor in the early 2000s with the same area in the 1970s. This information may help oceanographers study geologic activity or sea level rise.

Map by Bill Rankin

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UN Approves Law of the Sea
UN Approves Law of the Sea Geographic History Article

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6-12

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Social Studies

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On Sept 10, 1964, the Convention on the Territorial Sea and Contiguous Zone, a part of the second UN Conference on the Law of the Sea (UNCLOS II), went into effect.

oceanography
oceanography Encyclopedic Entry

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Oceanography is the study of all aspects of the ocean. Oceanography covers a wide range of topics, from marine life and ecosystems to currents and waves, the movement of sediments, and seafloor geology.