Sea in World map

May 20, 2017
Where is China

Oceans play an integral role in many of the Earth's systems. The ocean supports the life of nearly half of all species on Earth, providing 20 percent of the animal protein and five percent of the total protein in the human diet. Though there generally are considered to be four different oceans, there are no physical divisions separating them, thus the water flowing through them is the same. The five major oceans on Earth are the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, the Arctic Ocean, and the Southern Ocean.

The Pacific Ocean, the Earth's largest ocean, flows to the west of the Americas and along the eastern edge of Asia. The Pacific Ocean is sometimes divided into the North Pacific and the South Pacific. The Atlantic Ocean is between the Americas and Europe and Africa, and like the Pacific, the Atlantic is also sometimes divided into the North and South Atlantic.

The Indian Ocean is situated below the Indian subcontinent, to the east of Africa and the west of Australia and the islands like Malaysia and Indonesia. The Arctic Ocean is around the north pole, and is the shallowest ocean of all - sometimes considered a sea rather than an ocean. The Arctic is encompassed primarily by North America and Russia, and its waters are partially covered by ice year-round. The International Hydrographic Organization designated the waters surrounding Antarctica to be the Southern Ocean in the year 2000, extending to the latitude of 60 degrees.

The oceans of Earth serve many functions, playing an integral role in the Earth's weather and temperature. Oceans moderate the Earth's temperature by absorbing incoming solar radiation. The continuously moving ocean currents distribute the heat energy around the globe, heating the land and air during winter cooling it during summer.

Ocean Area Average Depth Deepest Point
Pacific 64, 186, 000 square miles 15, 315 feet Mariana Trench (36, 200 feet below sea level)
Atlantic 33, 420, 000 square miles 12, 881 feet Puerto Rico Trench (28, 231 feet below sea level)
Indian 28, 350, 000 square miles 13, 002 feet Java Trench (25, 344 feet below sea level)
Southern 7, 848, 300 square miles 13, 100-16, 400 feet South Sandwich Trench (23, 736 feet below sea level)
Arctic 5, 106, 000 square miles 3, 953 feet Eurasia Basin (17, 881 feet below sea level)

Source: www.mapsofworld.com
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