The Oceans Portal
A portal dedicated to oceans, seas, oceanography and related topics
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Introduction
Earth's ocean |
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Main five oceans division: Further subdivision: Marginal seas |
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The ocean is the body of salt water that covers approximately 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...)
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A sea is a large body of salty water. There are particular seas and the sea. The sea commonly refers to the World 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 ocean. 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 Hanseatic League was a medieval commercial and defensive network of merchant guilds and market towns in Central and Northern Europe. Growing from a few North German towns in the late 12th century, the League expanded between the 13th and 15th centuries and ultimately encompassed nearly 200 settlements across eight modern-day countries, ranging from Estonia in the north and east, to the Netherlands in the west, and extended inland as far as Cologne, the Prussian regions and Kraków, Poland.
The League began as a collection of loosely associated groups of German traders and towns aiming to expand their commercial interests, including protection against robbery. Over time, these arrangements evolved into the League, offering traders toll privileges and protection on affiliated territory and trade routes. Economic interdependence and familial connections among merchant families led to deeper political integration and the reduction of trade barriers. This gradual process involved standardizing trade regulations among Hanseatic Cities. (Full article...)Interesting facts -
- In 1979, the RISE project first discovered hydrothermal vents known as 'black smokers', on a mid-ocean ridge in the Pacific Ocean.
- Reproduction in the sea wasp Carybdea marsupialis involves a sexual reproduction phase, budding and fragmentation.
- American chemical weapons researcher and oceanographer Thomas Gordon Thompson sold his stamp collection to pay for his private island.
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
Tasks
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Related portals
In the news
- 10 August 2024 – Russian invasion of Ukraine
- The Ukrainian Navy strikes and heavily damages a Russian offshore natural gas platform in the Black Sea being used by the Russian Armed Forces. (Reuters)
- 5 August 2024 – Red Sea crisis
- The Houthis claim an attack on the Liberia-flagged container ship MV Groton in the Gulf of Aden. (Al Jazeera)
- 26 July 2024 – Finland–Russia relations
- Finland reports that a Russian Navy Baltic Sea fleet vessel trespassed on Finnish territorial waters in the eastern Gulf of Finland. (Reuters)
- 24 July 2024 –
- Polish divers announce that they have discovered a 19th-century shipwreck in the Baltic Sea off the coast of Sweden, containing crates of champagne and porcelain. (France 24)
- 21 July 2024 – Red Sea crisis
- 2024 Israeli strikes on Yemen
WikiProjects
Topics
Categories
Associated Wikimedia
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
Admiralty law
Admiralty law |
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History |
Features |
Contract of carriage/Charterparty |
Parties |
Judiciaries |
International conventions |
International organizations |
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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.
External media
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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"