18 Aug '11, 9pm

Mapping Antarctic Ice In Motion - New York Times (blog)

Mapping Antarctic Ice In Motion - New York Times (blog)

NASA/J.P.L.-Caltech/U.C.I. The first complete map of the speed and direction of ice flow in Antarctica, derived from radar interferometric data. Put the arguments over how fast Antarctic ice is melting to one side for the moment. The latest study of the southern continent, by a group of scientists led by Eric Rignot of the University of California, Irvine, shows how fast the ice rivers are moving and where they are going. The map of ice in motion, which traces parts of the eastern Antarctic region that have previously been hard to see, offers a new and powerful tool for the study of the dynamics of ice melting into the southern seas. The data used in the map was obtained from satellites in polar orbit. Dr. Rignot said in an interview that 3,000 different orbital tracks were studied, then combined into a mosaic of the continent. The study was published on Thursday in Scienc...

Full article: http://green.blogs.nytimes.com/2011/08/18/mapping-antarct...

Tweets

First Map of Antartica’s Moving Ice [image] #NASA

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