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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. Distinct names are used to identify five different areas of the ocean: Pacific, Atlantic, Indian, Antarctic/Southern, and Arctic.
- 3.688 km (2 mi)
- 1,370,000,000 km³ (328,680,479 cu mi) (97.5% of Earth's water)
- 361,000,000 km² (139,382,879 sq mi) (71% of Earth's surface area)
- List of countries by length of coastline
- 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.
The global ocean is one, but it is divided into named regions by historical, cultural, and scientific reasons. The four named oceans are the Atlantic, Pacific, Indian, and Arctic, and the Southern Ocean is the newest named ocean. Learn more about the history and evolution of the named oceans and their boundaries.
Learn about the world's oceans, their features, formation, and role in the hydrologic cycle. Explore the five major oceans and their subdivisions, depths, and volumes with maps and data.
Oct 19, 2023 · Learn about the ocean, a huge body of saltwater that covers about 71 percent of Earth’s surface and has four distinct regions: the Pacific, Atlantic, Indian, and Arctic oceans. Discover the mysteries, discoveries, and challenges of the ocean, and the fifth ocean around Antarctica.
Mar 5, 2024 · Learn about the ocean's role in climate, formation, floor, and life zones. The article covers the basics of oceanography, geography, and biology with photos and examples.
Jun 28, 2019 · Learn about the geography and facts of the world's five oceans: Pacific, Atlantic, Indian, Southern, and Arctic. Find out their areas, depths, locations, features, and historical and cultural significance.
