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Film director James Cameron returns to surface after deep-sea dive

posted 26 Mar 2012, 04:59 by Mpelembe Admin   [ updated 26 Mar 2012, 05:00 ]

"Titanic" film director James Cameron completes the world's first solo dive to the deepest-known point on Earth, reaching the bottom of the Pacific Ocean's Mariana Trench southwest of Guam in a specially designed submarine.

AT SEA, NEAR MARIANA TRENCH, PACIFIC OCEAN (MARCH 26, 2012) (NATIONAL GEOGRAPHIC) - 
"Titanic" film director James Cameron has completed the world's first solo dive to the deepest-known point on Earth. After diving to the bottom of the Pacific Ocean's Mariana Trench southwest of Guam in a specially designed submarine, Cameron safely returned the surface at noon local time Monday (0200
GMT, March 26).
The filmmaker arrived at the underwater site known as "Challenger Deep" shortly before 8 a.m. local time on Monday (2200 GMT on Sunday, March 25), reaching a depth of 35,756 feet (10,898 metres), or roughly 7 miles (11 km) beneath the ocean's surface, said the National Geographic Society, which is overseeing the expedition.


The low point of the Mariana Trench, a great canyon below the Pacific, has been reached by humans just once before, in 1960 when U.S. Navy Lieutenant Don Walsh and the late Swiss oceanographer Jacques Piccard spent 20 minutes there in the submersible craft Trieste.


Cameron, the first person to make a solo dive to the spot, spent about three hours on the bottom collecting research samples for marine biology, geology and geophysics and taking still photographs and video footage of the trench.


After a faster-than-expected 70-minute return ascent, he safely reached the surface at noon local time Monday (0200 GMT, March 26) about 300 miles (500 km) southwest of the U.S. territory of Guam in the western Pacific, National Geographic said in a press statement.


The expedition was a joint project by Cameron, National Geographic and watchmaker Rolex that has been dubbed "Deepsea Challenge" and was designed to expand understanding of a little-known corner of the Earth.


The Scripps Institution of Oceanography at the University of California, San Diego, is the project's principal science collaborator.


The single-man vehicle piloted by Cameron, the Deepsea Challenger, stands 24 feet (7 metres) tall and was designed to descend upright and rotating at a speed of about 500 feet (150 metres) per minute.

The submersible represents breakthroughs in materials science, structural engineering and imaging through an ultra-small, full-ocean depth-rated stereoscopic camera.


While he is perhaps better known as director of such films as "Titanic," "Avatar" and "Aliens," Cameron is no stranger to underwater exploration. For "Titanic," he took 12 dives to the famed shipwreck in the North Atlantic, leading him to develop deep-sea film and exploration technology.


He has since led six expeditions, authored a forensic study of the German battleship Bismarck wreck site and conducted extensive 3-D imaging of deep hydrothermal vents along the Mid-Atlantic Ridge, the East Pacific Rise and the Sea of Cortez.


The Deepsea Challenge expedition was chronicled for a 3-D feature film set for theatrical release and for subsequent broadcast on the National Geographic Channel.

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