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Articles tagged with: oceanography

Written By: grant on December 16, 2014 No Comment

Nature surveys the plastic in the seas, expects to see things like detergent bottles and Barbies breaking up into tiny “microplastic” particles, and doesn’t. So the question becomes… where does the plastic go?:

More than 5 trillion plastic pieces, with a combined mass of more than 250,000 tonnes, are floating in the ocean, researchers reported […]

Written By: grant on October 14, 2014 No Comment

Nature paints a more vivid picture of climate change – and the related changes in ocean currents – by retracing the paths of prehistoric icebergs in the years when the oceans were colder:

Their results show that some of the glacial floodwater running off North America formed a narrow current some 100 kilometres wide […]

Written By: grant on August 22, 2014 No Comment

The Atlantic, the Pacific… are sinks. Heat sinks. So says Scientific American, explaining that temperatures haven’t risen as sharply as they could have (YET) because the oceans are absorbing some of the excess heat:

The heat sink occurs when sun-warmed salty water from the tropics travels along ocean currents in the Atlantic to the […]

Written By: grant on June 9, 2014 No Comment

Aquaman may have had more going for him than he gets credit for. Scientific American reveals the amazing power fish have to reverse global warming:

By assigning a dollar value to carbon stored in ocean ecosystems, two recent scientific reports are attempting to make nations reconsider the true worth of their fishing activities.

The first, […]

Written By: grant on May 13, 2014 No Comment

Actually, gone. Imploded. BBC has more on the tragic end of the deep-sea submersible Nereus:

The robotic vehicle Nereus went missing while exploring one of the ocean’s deepest spots: the Kermadec Trench, which lies north east of New Zealand.

Surface debris was found, suggesting the vessel suffered a catastrophic implosion as a result of the […]

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Written By: grant on July 9, 2013 No Comment

Nature reports on a new initiative to crowdsource oceanography:

Just about the first action involved in any experiment at sea is the casting overboard of a conductivity, temperature and depth instrument, known as a CTD.

From the Arctic to the tropics, every year CTDs sink through the water beneath the keels of research vessels. As […]

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Written By: grant on June 26, 2013 No Comment

Nature bemoans the fact that America’s technological prowess is on the wane – and it’s getting really obvious that our science fleet has seen better days:

“The community is deeply concerned that the ability to go to sea will be significantly reduced in the next decade, as research ships are retired or laid up,” says […]

Written By: grant on November 20, 2012 No Comment

I’m not sure when this happened, but NOAA thinks they’ve finally identified the mysterious underwater sound known as ‘The Bloop’:

The broad spectrum sounds recorded in the summer of 1997 are consistent with icequakes generated by large icebergs as they crack and fracture. NOAA hydrophones deployed in the Scotia Sea detected numerous icequakes with […]

Written By: grant on September 17, 2012 No Comment

The Atlantic reports on a record-breaking experiment that is reaching a conclusion nearly a century after it started… when a Scottish fisherman found a message in a bottle tossed into the North Atlantic in 1914:

It is 98 years old, and was cast into the ocean by Captain C. Hunter Brown, a scientist at […]

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