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Archive for July, 2008


How Old is the Greenland Ice Sheet?

KANGERLUSSUAQ, GREENLAND-- On his team's first day out in the field near Kangerlussuaq, Paul Bierman of the University of Vermont explains what kind of rocks they look for to help determine the last time Greenland was free of ice... {Read More »}



Miniature Ecosystems on the Ice

ILULISSAT, GREENLAND-- Here’s your bit o’ science jargon for the day: cryoconite. It’s a word I encountered in the Dry Valleys of Antarctica seven years… {Read More »}



Tethered Balloon Launch

SUMMIT CAMP, GREENLAND-- In this video dispatch, meet Dr. Craig Clements from San Jose State University, a micrometereologist studying the atmosphere above Summit with an interesting-looking piece of equipment... {Read More »}



Fox in Two Colors

KANGERLUSSUAQ, GREENLAND-- On our excursions out of Kanger, Lisa and I always had our eyes peeled for wildlife. We were hoping to catch sight of… {Read More »}



Greenland’s Glacier Lakes, Pt. 2

ILULISSAT, GREENLAND-- When scientists try to discover why a large glacier in Greenland suddenly speeds up, they look for all kinds of clues, including the sudden flood of water to the base of the glacier when a giant melt lake cracks the ice open. In this video, we ask scientist Ian Joughin about the significance of these floods... {Read More »}



Studying Sunlight

SUMMIT CAMP, GREENLAND-- In this video dispatch meet Dr. Barry Lefer, a professor at the University of Houston researching the amount of sunlight that penetrates the Greenland snowpack. This information helps photochemists understand chemical reactions in the snow... {Read More »}



Limno Toolkit

KANGERLUSSUAQ, GREENLAND-- Limnology is the study of freshwater systems, like lakes. Have a look at this video to to see us do modern limnological sampling, recover sediment samples from last season, and introduce you to some of our equipment... {Read More »}



Greenland’s Glacier Lakes

ILULISSAT, GREENLAND-- The Exploratorium crew has moved to Ilulissat, a beautiful town 250 kilometers above the Arctic Circle on the west coast of Greenland. This is a gathering place for glaciologists because it’s close to the one of the world’s fastest-moving and most productive glaciers, the Jakobshavn glacier... {Read More »}



Greenland Sighted

KANGERLUSSUAQ, GREENLAND-- (By Lisa Strong-Aufhauser) We were aboard the plane to Greenland when Mary got a brilliant idea: “You might ask the payload master whether you can film in the cockpit when we get in sight of Greenland.” It was a fabulous suggestion. Watch this video to see the results... {Read More »}



Atop the Ice Sheet

KANGERLUSSUAQ, GREENLAND-- As discussed in my last dispatch, Lisa and I got up to the Greenland Ice Sheet, tagging along with a group of glaciologists on a rock-hunting expedition. In this video dispatch, I give a quick update from atop the second largest ice sheet in the world... {Read More »}