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Tag: IceBridge

  • NASA Explorers: Flying Alaskan Glaciers

    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.

    Read the story: https://go.nasa.gov/2CPkg1H
    Download this video: https://svs.gsfc.nasa.gov/13162

    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

  • Flight Over a Rectangular Iceberg in the Antarctic

    Flight Over a Rectangular Iceberg in the Antarctic

    Can you spot the sharp-angled, rectangular iceberg? This footage (partially sped up) is from an Oct. 16, 2018 flight over the northern Antarctic Peninsula by our Operation IceBridge DC-8 aircraft. Mission Scientist John Sonntag provides commentary. More: https://go.nasa.gov/2JdEy71

    Operation IceBridge is NASA’s longest-running aerial survey of polar ice. During the survey, designed to assess changes in the ice height of several glaciers draining into the Larsen A, B and C embayments, IceBridge senior support scientist Jeremy Harbeck saw a very sharp-angled, tabular iceberg floating among sea ice just off of the Larsen C ice shelf. A photo of the iceberg (seen at right) was widely shared after it was posted on social media.