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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.
A map of Australia's official interpretation of the names and limits of oceans and seas around Australia (from Southern Ocean) Image 86 Based on the medieval Íslendingasögur sagas, including the Grœnlendinga saga , this interpretative map of the "Norse World" shows that Norse knowledge of the Americas and the Atlantic remained limited.
Ocean – the four to seven largest named bodies of water in the World Ocean, all of which have "Ocean" in the name (see: Borders of the oceans for details). Sea has several definitions: [a] A division of an ocean, delineated by landforms, [6] currents (e.g., Sargasso Sea), or specific latitude or longitude boundaries. This includes but is not ...
The ocean is the body of salt water that covers approximately 70.8% of Earth. [8] In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. [9] The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.
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There are five main gyres in the world's oceans: two in the Pacific, two in the Atlantic and one in the Indian Ocean. Other smaller gyres are found in lesser seas and a single gyre flows around Antarctica. These gyres have followed the same routes for millennia, guided by the topography of the land, the wind direction and the Coriolis effect ...
Most commonly the ocean is divided into basins following the continents distribution [clarification needed]: the North and South Atlantic (together approximately 75 million km 2 / 29 million mi 2), North and South Pacific (together approximately 155 million km 2 / 59 million mi 2), Indian Ocean (68 million km 2 / 26 million mi 2) and Arctic ...
The list encompasses adjacent maritime nations and territories with a special focus on the boundaries or borders which distinguish them. 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 ...