Oceanography
hideOceanography (compound of the Greek words ωκεανός meaning "ocean" and γράφω meaning "to write"), also called oceanology or marine science, is the branch of Earth science that studies the ocean. It covers a wide range of topics, including marine organisms and ecosystem dynamics; ocean currents, waves, and geophysical fluid dynamics; plate tectonics and the geology of the sea floor; and fluxes of various chemical substances and physical properties within the ocean and across its boundaries. These diverse topics reflect multiple disciplines that oceanographers blend to further knowledge of the world ocean and understanding of processes within it: biology, chemistry, geology, meteorology, and physics.
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News tagged with oceanography
Ocean acidification may contribute to global shellfish decline
Space & Earth / Earth Sciences
Oct 26, 2009 |
2.7 / 5 (7) |
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Relatively minor increases in ocean acidity brought about by high levels of carbon dioxide have significant detrimental effects on the growth, development, and survival of hard clams, bay scallops, and Eastern ...
A new chemical method for distinguishing between farmed and wild salmon
Sep 30, 2009 |
5 / 5 (1) |
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Wild salmon and farmed salmon can now be distinguished from each other by a technique that examines the chemistry of their scales.
Seaglider sets new underwater endurance and range records
Space & Earth / Earth Sciences
Sep 10, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- A University of Washington Seaglider operated for 9 months and 5 days in the Pacific Ocean, an endurance record more than double what any other autonomous underwater vehicle has accomplished ...
Warming ocean contributes to global warming
Space & Earth / Earth Sciences
Aug 14, 2009 |
4.4 / 5 (13) |
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The warming of an Arctic current over the last 30 years has triggered the release of methane, a potent greenhouse gas, from methane hydrate stored in the sediment beneath the seabed.
New research sheds light on freak wave hot spots
Aug 05, 2009 |
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Stories of ships mysteriously sent to watery graves by sudden, giant waves have long puzzled scientists and sailors. New research by San Francisco State professor Tim Janssen suggests that changes in water depth and currents, ...
New study sheds light on earthquake hazard along San Andreas Fault
Space & Earth / Earth Sciences
Jul 27, 2009 |
3.7 / 5 (3) |
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New research by a team of scientists from Scripps Institution of Oceanography at UC San Diego and the U.S. Geological Survey (USGS) offers new insight into the San Andreas Fault as it extends beneath Southern ...
Earth's most prominent rainfall feature creeping northward
Space & Earth / Earth Sciences
Jul 01, 2009 |
4.4 / 5 (12) |
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The rain band near the equator that determines the supply of freshwater to nearly a billion people throughout the tropics and subtropics has been creeping north for more than 300 years, probably because of ...
Hurricane barriers floated to keep sea out of NYC
Space & Earth / Earth Sciences
May 31, 2009 |
3.3 / 5 (4) |
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(AP) -- When experts sketch out nightmare hurricane scenarios, a New York strike tends to be high on the list.
Fast and cheap forecasting system for Mediterranean cyclones
Space & Earth / Earth Sciences
May 26, 2009 |
5 / 5 (1) |
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The Mediterranean region is a very active cyclone area, and is often affected by these atmospheric phenomena, which bring strong winds and heavy rain. Despite the efforts of the scientific community to improve numerical cyclone ...
Ocean Circulation Doesn't Work As Expected
Space & Earth / Earth Sciences
May 13, 2009 |
4.6 / 5 (29) |
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(PhysOrg.com) -- The familiar model of Atlantic ocean currents that shows a discrete "conveyor belt" of deep, cold water flowing southward from the Labrador Sea is probably all wet.
One stop-shop for seamount managers and researchers: Launch of new SeamountsOnline portal
Mar 12, 2009 |
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A free online portal is providing deep-sea researchers and managers with new tools for finding and accessing information on the biological communities that live on seamounts (undersea mountains), facilitating ...
Termite killer lingers as a potent greenhouse gas
Space & Earth / Earth Sciences
Mar 10, 2009 |
1 / 5 (1) |
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Sulfuryl fluoride (SO2F2), a gas commonly used to rid buildings of termites and other pests, is a greenhouse gas that remains in the atmosphere about 36 years, six to 10 times longer than previously thoug ...
