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266 viewsMatthew Sturm rides a snowmobile.
Image courtesy Andrew Slater, NSIDC.
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266 viewsMatthew Sturm and Christopher Hiemstra pose during the 2009 SnowNet project.
Image courtesy Andrew Slater, NSIDC.
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266 viewsSmall ices lenses are common in permafrost, as seen in this typical permafrost core drilled near Deadhorse, Alaska on August 17, 2012. (Credit: Kevin Schaefer, NSIDC)
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266 viewsLin Liu and Andy Persekian take a dip during a break from data gathering. (Credit: Kevin Schaefer, NSIDC)
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266 viewsLARISSA researchers prepare to take off for a trip to the peninsula
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266 viewsWe begin the difficult task of shoveling all the snow and drilling out all the ice from in front of and around Swiss Camp.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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265 viewsMatthew Sturm hangs out on a hillside in Atigun Gorge.
Image courtesy Andrew Slater, NSIDC.
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264 viewsAndy Parsekian sets up the ground penetrating radar equipment for a survey of active layer depth near Barrow, Alaska on August 13, 2013. (Credit: Lin Liu).
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264 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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permafrost, nsidc, kevin schaefer, alaska, barrow263 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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263 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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263 viewsResearchers prepare their snowmobiles during the 2013 Arctic Observing Network (Snownet) field project in Alaska's North Slope.
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