Ancient dirt churners took their time stirring up the ocean floor
Earth's early burrowers were slow to discover the bottom of the ocean as a good place to kick up dirt.
Earth Sciences
Sep 29, 2015
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News tagged with seafloor
Evidence of ancient life discovered in mantle rocks deep below the seafloor
Ancient rocks harbored microbial life deep below the seafloor, reports a team of scientists from the Woods Hole Oceanographic Institution (WHOI), Virginia Tech, and the University of Bremen. This new evidence was contained ...
Earth Sciences
Aug 31, 2015
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New digital seafloor map provides answers and more questions
Ocean sediments cover 70% of our planet's surface, forming the substrate for the largest ecosystem on Earth and its largest carbon reservoir—but the most recent map of seafloor geology was drawn by hand more than 40 years ...
Earth Sciences
Aug 10, 2015
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Oceanographer publishes atlas of seafloor volcanoes and deep-ocean life
A University of Washington oceanographer has helped create the first full-color photographic atlas of the ocean floor. "Discovering the Deep: A Photographic Atlas of the Seafloor and Ocean Crust" (Cambridge University Press, ...
Earth Sciences
May 20, 2015
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Deep-sea robot, caught in underwater avalanche, yields new scientific insights
Exploring the deep sea, and especially submarine canyons, is a risky business. The floors of many submarine canyons are periodically scoured by fast-moving underwater avalanches known as "turbidity currents." In 2013, one ...
Earth Sciences
Mar 18, 2015
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Microbes in the seafloor: Little nutrients, lots of oxygen
About one quarter of the global seafloor is extremely nutrient poor. Contrary to previous assumptions, it contains oxygen not just in the thin surface layer, but also throughout its entire thickness. The underlying basement ...
Earth Sciences
Mar 16, 2015
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Researchers find wreck of sunken barge in Monterey Canyon
During a recent expedition to map earthquake faults in Monterey Bay, MBARI researchers discovered the wreck of a barge on the muddy seafloor in Monterey Canyon. The barge Umpqua II was about 1,700 meters (one mile) below ...
Earth Sciences
Nov 24, 2014
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Undergrads use sonar to uncover Lake Union shipwrecks
Below the kayakers, seaplanes and construction cranes in Seattle's Lake Union lie unseen relics of the city's history. Shipwrecks from past generations rest just below the busy surface.
Earth Sciences
Nov 10, 2014
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Underwater landslide doubled size of 2011 Japanese tsunami
(Phys.org) —An ocean engineer at the University of Rhode Island has found that a massive underwater landslide, combined with the 9.0 earthquake, was responsible for triggering the deadly tsunami that struck Japan in March ...
Earth Sciences
Oct 3, 2014
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Synthetic aperture sonar to help Navy hunt sea mines
(Phys.org) —Since World War II, sea mines have damaged or sunk four times more U.S. Navy ships than all other means of attack combined, according to a Navy report on mine warfare. New sonar research being performed by the ...
Engineering
Jun 19, 2014
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