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Maurer_Greenland_2004_073.jpg
260 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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permafrost, nsidc, kevin schaefer, alaska, barrow259 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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259 viewsCaribou pass by on frozen tundra.
Image courtesy Andrew Slater, NSIDC.
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259 viewsThe equipment required to drill permafrost cores consists of shovels and a tarp, a motor to power the drill, a cooler to keep the samples frozen, a toolbox, a steel pry bar, and an augur drill bit. (Credit: Kevin Schaefer, NSIDC)
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259 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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259 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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258 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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258 viewsA close-up of my tent. Inside my tent were bags with all of my gear and a small cot with two sleeping bags.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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258 viewsResearchers prepare their snowmobiles during the 2013 Arctic Observing Network (Snownet) field project in Alaska's North Slope.
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257 viewsAIDJEX 1972 pilot study
Image Credit: National Snow & Ice Data Center
AIDJEX Web site
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257 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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257 viewsSwiss Camp as it appears when we first arrive.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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