Last additions - Images by project
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135 viewsA herd of several thousand caribou stalled our progress as they crossed the Dalton highway near Deadhorse, Alaska on July 12, 2009. (Credit: Tingjun Zhang, NSIDC)Oct 24, 2013
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117 viewsStandford University scientist Lin Liu and research volunteer Tim Schaefer are attempting to remove a drill bit that accidently froze into the permafrost at a site just south of Deadhorse, Alaska on July 11, 2009. The researchers spent eight hours chipping the drill bit out of the permafrost using a crowbar, pry bar, and a hammer (Credit: Kevin Schaefer, NSIDC)Oct 24, 2013
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113 viewsOn the 2009 trip to drill permafrost samples, the researchers’ truck was so loaded with equipment that retrieving anything required a headlong dive into the back. Here, Standford University scientist Lin Liu dives into the truck to retrieve his toothbrush in the morning. (Credit: Kevin Schaefer, NSIDC)Oct 24, 2013
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114 viewsStandford University scientist Lin Liu, NSIDC senior research scientist Tingjun Zhang, and research volunteer Tim Schaefer pull the auger bit containing a permafrost core out of a newly drilled hole near Deadhorse, Alaska on July 10, 2009. (Credit: Kevin Schaefer, NSIDC)Oct 24, 2013
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112 viewsResearch volunteer Tim Schaefer, Standford University scientist Lin Liu, and NSIDC senior research scientist Tingjun Zhang drill a permafrost sample south of Deadhorse, Alaska on July 10, 2009. The head nets protect the researchers from the clouds of mosquitoes that continually swarmed around them. (Credit: Kevin Schaefer, NSIDC) Oct 24, 2013
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111 viewsThis picture taken on July 13, 2009 shows a typical borehole after collecting a permafrost core sample. The ice and soil shavings that result from the auger bit used to drill the core sample have a look and consistency of wet concrete (Credit: Kevin Schaefer, NSIDC).Oct 24, 2013
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120 viewsLin Liu and Alessio Gusmeroli dig into a small pingo south of Deadhorse, Alaska on August 17, 2012. (Credit: Tingjun Zhang, NSIDC)Oct 23, 2013
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123 viewsDawn finds Kevin Schaefer and Tim Schaefer still sleeping at camp near the Sagavanirktok River south of Deadhorse, Alaska on August 16, 2012. Mud makes the trucks appear brown, although their true colors are red and blue (Credit: Tingjun Zhang, NSIDC).Oct 23, 2013
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127 viewsTingjun Zhang drags the antenna for the ground penetrating radar while Alessio Gusmeroli records the active layer depth readings on August 16, 2012. (Credit: Tingjun Zhang, NSIDC).Oct 23, 2013
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124 viewsAlessio Gusmeroli models his new turf top hat after drilling a permafrost core near Deadhorse, Alaska on August 17, 2012). (Credit: Tingjun Zhang, NSIDC)Oct 23, 2013
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123 viewsKevin Schaefer and Lin Liu photograph and wrap permafrost core samples on August 17, 2012 while Alessio Gusmeroli and Tim Schaefer drill more permafrost core samples. (Credit: Tingjun Zhang, NSIDC)Oct 23, 2013
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120 viewsThis permafrost core extracted from a depth of 1.5 meters on August 20, 2012 near Toolik Lake, Alaska has been frozen for thousands of years, yet green moss is visible at the 9 centimeter mark. (Credit: Kevin Schaefer, NSIDC)Oct 23, 2013
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