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Artist rendition of a current moving through a seafloor canyon.

Artist rendition of a current moving through a seafloor canyon.
Artist rendition of a current moving through a seafloor canyon.
Artist rendition of a current moving through a seafloor canyon.
Artist rendition of a current moving through a seafloor canyon.
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197631
Cook, John E.
Artist rendition of a current moving through a seafloor canyon.
Illustration
12/29/2011
Dell_Canyon.jpg
Caption from Oceanus magazine, Vol. 49, No. 1, pages 44 & 45:
The seafloor is filled with thousands of deep canyons, where powerful currents appear to be flowing uphill along the canyon floors. These currents could play a major role in driving global ocean circulation.
Image of The Day caption:
Concealed from view, the bottom of the ocean is covered with of mountains and canyons as steep and deep as the Grand Canyon. Scientists have had indications that powerful ocean currents flow at the bottom of these canyons, but many of these appear to be moving in the opposite direction from what we would expect on land, where rivers run down the sides of mountains toward sea level. Instead, some seafloor currents run up the sides of mountains. These newly detected flows could play a major role in directing global ocean circulation.
Illustration by Jack Cook
© Woods Hole Oceanographic Institution
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