NASA satellite data charts ocean winds

WATER WORLD

disclaimer: image is for illustration purposes only

by Staff Writers
Pasadena, Calif., April 17, 2008
The U.S. space agency says data from its "QuikScat" satellite is being used by several new atlases of ocean wind patterns around the globe.

National Aeronautics and Space Administration scientists say the satellite data are benefiting a wide range of users, from those who sail the seas to Coast Guard and similar organizations that conduct search and rescue missions.

"People know high winds are found in big storms," said Shang-Ping Xie of the International Pacific Research Center at the University of Hawaii. "What is most surprising from our research is that narrow ocean currents have such a large effect on the occurrence of high winds. For example, in cold (bends) of the Atlantic's Gulf Stream, the frequency of high winds drops by an order of magnitude," he said. "This knowledge can provide navigators with a 'safe harbor' for ships."

NASA said the data are especially important in regions of the world where there are few ships and buoys to gather information.

QuikScat is managed by NASA's Jet Propulsion Laboratory in Pasadena, Calif.

A paper on the project was recently published in the Bulletin of the American Meteorological Society by Xie and Takeaki Sampe.

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