Using laser scans and GPS cameras, accurate down to one inch, the U.S. Geological Survey has so far mapped more than 600 landslides caused by Hurricane Helene.
Atlanta — When Hurricane Helene struck the Southeast about two weeks ago, devastating parts of North Carolina , it also triggered hundreds of landslides according to federal geologists who have been flying over the Appalachians to find all the places where swaths of the Earth moved under heavy rainfall. Dr. Ben Mirus and Dr. Francis Rengers with the U.S. Geological Survey have been using laser scans and GPS cameras, accurate down to one inch, to map out landslides caused by Helene.
Dalia Kirschbaum is looking down from space.'What we're seeing is that rainfall events are getting more extreme,' said Kirschbaum, who is the director of the Earth Sciences Division. NASA has more than two dozen satellites and instruments orbiting Earth, Kirschbaum explains. On a large map mounted on a wall in Goddard, those satellites show where rain is falling in real-time, as well as where landslides have happened around the world.
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