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The borders of the oceans are the limits of Earth's oceanic waters.The definition and number of oceans can vary depending on the adopted criteria. The principal divisions (in descending order of area) of the five oceans are the Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern (Antarctic) Ocean, and Arctic Ocean.
However, it does not include lake or river boundaries. "Potential" maritime boundaries are included; that is, the lack of a treaty or other agreement defining the exact location of the maritime boundary does not exclude the boundary from the list. In numbering maritime boundaries, three separate figures are included for each country and territory.
Generally, a maritime boundary is delineated at a particular distance from a jurisdiction's coastline. Although in some countries the term maritime boundary represents borders of a maritime nation [3] that are recognized by the United Nations Convention on the Law of the Sea, maritime borders usually serve to identify the edge of international ...
Land borders and maritime boundaries are included and are tabulated separately and in combination. For purposes of this list, "maritime boundary" includes boundaries that are recognized by the United Nations Convention on the Law of the Sea, which includes boundaries of territorial waters, contiguous zones, and exclusive economic zones.
A marginal sea is a division of an ocean, partially enclosed by islands, archipelagos, or peninsulas, adjacent to or widely open to the open ocean at the surface, and/or bounded by submarine ridges on the sea floor. [7] The World Ocean. For example, the Law of the Sea states that all of the World Ocean is "sea", [8] [9] [10] [b] and this is ...
[11] [10] [12] At the boundary between this freshwater plume and the surrounding seawater, strong gradients in salinity and density will form. [13] An example of such a front is located in the Chesapeake Bay estuary, but these fronts are also common in front of river outlets such as the Mississippi, Amazon, or Connecticut River. [14]
The most active divergent boundaries lie under the sea. In the ocean, if magma or molten rock ascent from the mantle and fill the gap created by two diverging plates, a mid-ocean ridge is formed. Transform boundary: also called transform fault, occurs when the movement between the plates is horizontal, so no crust is created or destroyed. It ...
The terms international waters or transboundary waters apply where any of the following types of bodies of water (or their drainage basins) transcend international boundaries: oceans, large marine ecosystems, enclosed or semi-enclosed regional seas and estuaries, rivers, lakes, groundwater systems (), and wetlands.