Sonar is commonly used to map the ocean floor, and seabed composition (e.g. mud, clay or rock) affects the way the sound is reflected back. Salinity, depth and water temperature also affect how sound waves are propagated ...
Environment
May 6, 2020
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The University of Gothenburg soon will have its first autonomous underwater vehicle for research use. This will make it possible to conduct detailed studies of the seabed at great depths and track the climate thousands of ...
Earth Sciences
Jun 21, 2017
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Underwater robots developed by researchers at Scripps Institution of Oceanography at the University of California San Diego offer scientists an extraordinary new tool to study ocean currents and the tiny creatures they transport. ...
Earth Sciences
Jan 24, 2017
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209
Scientists have used a computer model of ocean circulation to predict the movement of the rafts of floating pumice given off by an erupting underwater volcano.
Earth Sciences
May 19, 2014
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(Phys.org) —As Tropical Cyclone Rusty crossed the Pilbara coast last week, the ocean's turbidity levels exceeded the maximum range of scientists' instruments.
Earth Sciences
Mar 6, 2013
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(PhysOrg.com) -- Mediterranean bottom currents and the sediment deposits they leave behind offer new insights into global climate change, the opening and closing of ocean circulation gateways and locations where hydrocarbon ...
Earth Sciences
Jan 24, 2012
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(PhysOrg.com) -- When NASA's Aquarius mission launches this week, its radiometer instruments will take a "skin" reading of the oceans' salt content at the surface. From these data of salinity in the top 0.4 inch (1 centimeter) ...
Earth Sciences
Jun 8, 2011
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A new computer model of the Gulf of Mexico in the period after the oil spill provides insights into how underwater currents may have primed marine microorganisms to degrade the oil.
Environment
May 22, 2011
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Hurricanes could snap offshore oil pipelines in the Gulf of Mexico and other hurricane-prone areas, since the storms whip up strong underwater currents, a new study suggests.
Earth Sciences
May 26, 2010
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NASA researchers who developed a new way to power robotic underwater vehicles believe a spin-off technology could help convert ocean energy into electrical energy on a much larger scale. The researchers hope that clean, renewable ...
Engineering
Mar 6, 2009
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