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241 viewsNational Snow and Ice Data Center (NSIDC) Director Mark Serreze at the Green Data Center open house on May 4, 2012. The Green Data Center design team was led by NSIDC Technical Services Manager David Gallaher, in collaboration with Serreze, and NASA NSIDC Distributed Active Archive Center Manager Ronald Weaver; Rick Osbaugh from RMH Group in Denver; Otto Van Geet from the National Renewable Energy Laboratory (NREL); and Lee Gillan from Coolerado Corporation. —Credit: Natasha Vizcarra/NSIDC
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permafrost, nsidc, kevin schaefer, alaska, barrow240 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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240 viewsThe snow pit kit
Image courtesy Andrew Slater, NSIDC.
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240 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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240 viewsAnother view of us working on this weather station. Nic is making measurements of the snow at the left, Koni is steam-drilling, and Betsy Kolbert is observing.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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239 viewsThese fluffy dendritic snow crystals were photographed during SnowNet 2009.
Image courtesy Andrew Slater, NSIDC.
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239 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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239 viewsA snow pit that I dug and analyzed at Swiss Camp. It was one of my primary duties to dig and analyze snow pits at the various sites we visited.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.
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239 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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239 viewsThe IceTrek crew headshome. This photo was taken near Orcadas.
Photo Credit: Courtesy Ted Scambos and Rob Bauer, NSIDC
IceTrek Web site
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permafrost, nsidc, kevin schaefer, alaska, barrow238 viewsKevin Schaefer pulls a ground penetrating radar unit through the tundra near Barrow, Alaska on August 14, 2013 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: Elchin Jafarov, NSIDC).
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238 viewsLin Liu checks the day's data at basecamp. (Credit: Kevin Schaefer, NSIDC)
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