Portal:Oceans
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Introduction
Earth's ocean |
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Main five oceans division: Further subdivision: Marginal seas |
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. The ocean contains 97% of Earth's water and is the primary component of Earth's hydrosphere, thus the ocean is essential to life on Earth. The ocean influences climate and weather patterns, the carbon cycle, and the water cycle by acting as a huge heat reservoir. (Full article...)
A sea is a large body of salty water. There are particular seas and the sea. The sea commonly refers to the ocean, the wider body of seawater. Particular seas are either marginal seas, second-order sections of the oceanic sea (e.g. the Mediterranean Sea), or certain large, nearly landlocked bodies of water. (Full article...)
Oceanography (from Ancient Greek ὠκεανός (ōkeanós) 'ocean', and γραφή (graphḗ) 'writing'), also known as oceanology, sea science, ocean science, and marine science, is the scientific study of the oceans. It is an Earth science, which covers a wide range of topics, including ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and seabed geology; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries. These diverse topics reflect multiple disciplines that oceanographers utilize to glean further knowledge of the world ocean, including astronomy, biology, chemistry, geography, geology, hydrology, meteorology and physics. Paleoceanography studies the history of the oceans in the geologic past. An oceanographer is a person who studies many matters concerned with oceans, including marine geology, physics, chemistry, and biology. (Full article...)
Selected article -
The Red Sea is a sea inlet of the Indian Ocean, lying between Africa and Asia. Its connection to the ocean is in the south, through the Bab-el-Mandeb strait and the Gulf of Aden. To its north lie the Sinai Peninsula, the Gulf of Aqaba, and the Gulf of Suez (leading to the Suez Canal). It is underlain by the Red Sea Rift, which is part of the Great Rift Valley.
The Red Sea has a surface area of roughly 438,000 km2 (169,000 sq mi), is about 2,250 km (1,400 mi) long, and — at its widest point — 355 km (221 mi) wide. It has an average depth of 490 m (1,610 ft), and in the central Suakin Trough it reaches its maximum depth of 3,040 m (9,970 ft). (Full article...)Interesting facts -
- The color of the sea snail Simnia spelta varies, but when it grazes on the white gorgonian it mimics the twigs.
- A sculpture of the god Neptune on one of the parapets of the University of Washington's Gerberding Hall represents the academic disciplines of oceanography and fisheries science.
- After sinking the British ocean liner SS Dwinsk in June 1918, the German submarine U-151 remained in the area and used the survivors in seven lifeboats as a lure in order to try and sink additional Allied ships.
Selected list articles and Marine habitat topics
Marine habitats |
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Coastal habitats |
Ocean surface |
Open ocean |
Sea floor |
- List of oceans
- List of ancient oceans
- List of seas
- List of circumnavigations
- List of cruise lines
- List of largest lakes and seas in the Solar System
- List of marine biologists
- List of marine ecoregions
- List of maritime explorers
- List of naval battles
- List of ocean liners
- List of oceanographic institutions and programs
- List of oldest surviving ships
- List of rogue waves
- List of seafood dishes
- List of submarine topographical features
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General images -
Related portals
In the news
- 17 May 2024 – Red Sea crisis
- Houthi forces shoot down a United States Air Force MQ-9 Reaper drone with a surface-to-air missile over Marib Governorate, Yemen. Wreckage of the downed drone appears on social media. (ABC News)
- 9 May 2024 – Israeli–Palestinian conflict
- Red Sea crisis
- 29 April 2024 – Israel–Hamas war
- Red Sea crisis
- Houthi forces strike four ships in the Red Sea and damage the Malta-flagged, Greece-owned bulk carrier Cyclades. (The Jerusalem Post) (AP)
- 12 April 2024 – Iran–Israel proxy conflict
- Germany tells its citizens to leave Iran immediately, saying that "air, land and sea transport routes" will likely be affected by military action in the region. (Reuters)
WikiProjects
Topics
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The following Wikimedia Foundation sister projects provide more on this subject:
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Commons
Free media repository -
Wikibooks
Free textbooks and manuals -
Wikidata
Free knowledge base -
Wikinews
Free-content news -
Wikiquote
Collection of quotations -
Wikisource
Free-content library -
Wikiversity
Free learning tools -
Wiktionary
Dictionary and thesaurus
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Do you have a question about oceans, seas or oceanography that you can't find the answer to? Consider asking it at the Wikipedia reference desk.
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- World Ocean Database and World Ocean Atlas Series – from the U.S. National Centers for Environmental Information, National Oceanic and Atmospheric Administration. Includes the World Ocean Atlas.
- European Atlas of the Seas – the European Atlas of the Seas, from the European Commission
- NOAA Research – NOAA research news, Oceanic and Atmospheric Research (OAR)
- Ocean Research – from The World Ocean Observatory
- Ocean Biodiversity Information System – "a global open-access data and information clearing-house on marine biodiversity for science, conservation and sustainable development"