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258 viewsAnother couple of cargo lines, with Nic in the photo. At the left is the cargo line of our food boxes.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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258 viewsAnother view of Nic making measurements in the snow (temperature and density profiles) and Koni steam-drilling. The wooden box contains batteries that run the instruments on the weather station.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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257 viewsA close-up of the snow pit in the previous photo. At Swiss Camp this year, there were 1.2 meters (3.9 feet) of new snow that had accumulated in the past year that I had to dig through before reaching the hard, frozen ice of the ice sheet below. Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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Polis tweets NSIDC257 viewsLesley Smith of the Boulder Valley School Board of Education and Lisa Morzel of the Boulder City Council with U.S. Representative Jared Polis, at the Green Data Center open house on May 4, 2012 in Boulder. Polis tweets, "At @NSIDC ribbon cutting 4 new green data center, 70 % less energy use, did u know data ctrs use as much energy as 6 million households?" —Credit: Natasha Vizcarra/National Snow and Ice Data Center
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257 viewsResearchers prepare their snowmobiles during the 2013 Arctic Observing Network (Snownet) field project in Alaska's North Slope.
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257 viewsA researcher's winter gloves provide a sense of scale to sastrugi, sharp irregular grooves or ridges formed on a snow surface by wind erosion, seen during the 2013 Arctic Observing Network (Snownet) project.
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257 viewsNina Brudermann releasing one of her balloons into the sky; each balloon has an insulated video camera attached.
Photo Credit: Courtesy Ted Scambos, NSIDC
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256 viewsAIDJEX 1972 pilot study
Image Credit: National Snow & Ice Data Center
AIDJEX Web site
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permafrost, nsidc, kevin schaefer, alaska, barrow256 viewsKevin Schaefer walks along the road to a next survey site near Barrow Alaska on August 11, 2013. Contrary to what the sign says, the effective speed limit was actually 5 mph (Credit: Elchin Jafarov, NSIDC).
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256 viewsFrom left to right:
Matthew Sturm, Sveta Berezovskaya, Art Gelvin, and Christopher Hiemstra
Image courtesy Andrew Slater, NSIDC.
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256 viewsTingjun Zhang, Alessio Gusmeroli, Lin Liu, and Tim Schaefer check gear before starting a new survey of active layer depth using ground penetrating radar on August 16, 2012. Zhang holds the radar controller while the yellow antenna rests at his feet next to a spool of survey line. (Credit: Kevin Schaefer, NSIDC)
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256 viewsLin Liu pulls a ground penetrating radar unit through the tundra near Barrow, Alaska on to measure the active layer depth. The radar unit (in the box) emits a pulse which reflects off the permafrost to measure the active layer depth, which is recorded in the computer held by Andy Parsekian. (Credit: Kevin Schaefer, NSIDC)
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