Ice Calves from Russell Glacier

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From: Kathryn Hansen, NASA’s Earth Science News Team/Cryosphere Outreach Specialist


On May 14, 2010, scientists working from Kangerlussuaq, Greenland, with NASA’s IceBridge mission observed ice calving from nearby Russell Glacier. Credit: Eric Renaud/Sander Geophysics Ltd.

IceBridge scientists spend many days in flight surveying the snow and ice from above. On research “down days,” some scientists use their day off to take in the sights. On Friday, May 14, a group of scientists with Columbia University’s gravimeter instrument — which measures the shape of seawater-filled cavities at the edge of some major fast-moving major glacier — made the trek out to Russell Glacier. In the right place at the right time, the group witnessed a calving event that sent ice cascading down the glacier’s front.

“I took burst speed photos with my Canon 40D and just kept my finger on the trigger until everything stopped moving,” said Eric Renaud, an electronic technician with Sander Geophysics Ltd. “We were lucky to witness it.”

Read more about the group’s trek in a blog post by Columbia University’s Indrani Das, and watch a time-lapse video of the calving event composed by Renaud.