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Earth Day

21

April

The images swept across the Internet last month like cool breeze over a sun-scorched parking lot. People called them “mesmerizing” and “hypnotic” and “wondrous” and “mind-blowing.”

One was a NASA-created video showing all of the world’s ocean currents. Called “Perpetual Ocean,” the 20-minute video tracks all the ocean surface currents that satellites had detected from June 2005 to December 2007. 

The other, created by Google’s “Big Picture” visualization research group, was an animated map using National Weather Service data to show all the wind currents blowing around the United States.

A ship, the Okeanos Explorer, has remote-operated vehicles scanning the bottom and sending video back to the surface to be posted to a website where the public can watch.

nasa_currents.jpg

To see the U.S. wind map, click on: http://hint.fm/wind/

To view the three-minute version of NASA’s “Perpetual Ocean” currents video: www.nasa.gov/topics/earth/features/perpetual-ocean.html

To view the Okeanos Explorer video from the Gulf of Mexico through April 28:  http://oceanexplorer.noaa.gov/okeanos/media/exstream/exstream_04.html

[Last modified: Saturday, April 21, 2012 11:43pm]

    

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