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Nov 17, 2023 · Historically, there were just four oceans, but we now recognize five different oceans: the Pacific, Atlantic, Arctic, Indian and Southern Oceans. The Pacific, Atlantic and Indian Oceans freeze together around Antarctica. How Do We Separate the World's Oceans?
The ocean is the body of salt water that covers approx. 70.8% of Earth. In English, the term ocean also refers to any of the large bodies of water into which the world ocean is conventionally divided. The following names describe five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.
Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries - including the United States - now recognize the Southern (Antarctic) as the fifth ocean. The Pacific, Atlantic, and Indian are the most commonly known.
- Arctic Ocean. The smallest, coldest, and shallowest of the oceans of the world, the Arctic Ocean is located in the Northern Hemisphere’s Arctic north polar region.
- Atlantic Ocean. The Atlantic Ocean spans an area of 85,133,000 square km. The Atlantic Ocean is bounded by the landmasses of North and South America to the west and Asia and Africa to the east.
- Indian Ocean. The Indian Ocean occupies 70,560,000 square km area on the Earth’s surface. The Eurasian landmass lies to the north of the Indian Ocean, Australia to the east, Africa to the west and the Southern Ocean and Antarctica to the south.
- Pacific Ocean. The largest region of the Global Ocean, the Pacific Ocean has the Arctic Ocean to the north, the Southern Ocean to the south, Australia, and Asia to the west and the Americas to the east.
There is one ‘world ocean,’ but researchers often separate it into the Pacific, Atlantic, Indian, Southern, and Arctic oceans. Covering nearly 71 percent of Earth’s surface, the oceans have an average depth of 3,688 metres (12,100 feet).
May 9, 2022 · Today, there are five recognized Oceans on our planet: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Arctic Ocean and the Southern Ocean. Historically, the Southern Ocean was not recognized, and in started appearing in maps only after the year 2000.
On average, the ocean floor is about 3,790m but there are ocean trenches as deep as 10,910m. The ocean has many biological zones determined by availability of different abiotic factors. Neritic zones are nearshore areas, including the intertidal zone. Oceanic zones are offshore regions of the ocean.
