NASA Explorers: Flying Alaskan Glaciers


Flying low over some of the most dramatic landscapes on the planet, a cadre of scientists and pilots have been measuring changes in Alaskan glaciers as part of NASA’s Operation IceBridge for almost a decade. The team has seen significant change in ice extent and thickness over that time. Data from the mission was used in a 2015 study that put numbers on the loss of Alaskan glaciers: 75 billion tons of ice every year from 1994 to 2013. Last summer, Chris Larsen and Martin Truffer, both of the University of Alaska Fairbanks, flew with University of Arizona’s Jack Holt and University of Texas student Michael Christoffersen.

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Credit: NASA’s Goddard Space Flight Center
Jefferson Beck (USRA): Lead Producer
Maria-Jose Vinas Garcia (Telophase): Writer
Chris Larsen (University of Alaska Fairbanks): Lead Scientist
Mark Fahnestock (University of Alaska): Scientist
Alex Kekesi (GST): Lead Visualizer
Martin Truffer (University of Alaska): Lead Scientist

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  1. I didn't know blocks were flat planes – You learn something new every day

    really though, if giving a visual representation of how big a gigaton is… please include all three dimensions -_-

  2. The old remnants of the last ice age. But it makes you think we were only able to achieve so much because of the ice age. Now that they are melting it would bring about a huge earth change.

  3. Аляска русская, СССР, подлая Екатерина сдала в аренду ее США на 100 лет, теперь надо забрать её назад.

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