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Last additions - Permafrost Survey 2013
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86 viewsLin Liu pulls a ground penetrating radar unit through the tundra in rainy weather. The survey near Barrow, Alaska measures 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)Oct 22, 2013
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86 viewsLin Liu checks the day's data at basecamp. (Credit: Kevin Schaefer, NSIDC)Oct 22, 2013
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87 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).Oct 22, 2013
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88 viewsLin Liu pulls a ground penetrating radar unit through the tundra in rainy weather as Andy Persekian and Elchin Jafarov follow behind. The survey near Barrow, Alaska measures 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)Oct 22, 2013
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91 viewsLin Liu and Andy Persekian take a dip during a break from data gathering. (Credit: Kevin Schaefer, NSIDC)Oct 22, 2013
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93 viewsKevin Schaefer drains his mud boots after a day of sloshing through wet tundra. (Kevin Schaefer, NSIDC)Oct 22, 2013
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94 viewsLin Liu, Andy Parsekian, and Elchin Jafarov pull a ground penetrating radar unit through the tundra near Barrow, Alaska on August 10, 2013. The radar unit is in the box and the computer records the active layer depth (Credit: Kevin Schaefer, NSIDC).Oct 22, 2013
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85 viewsTundra bugs are always curious about permafrost researchers. (Kevin Schaefer, NSIDC)Oct 22, 2013
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95 viewsLin Liu and Andy Persekian check active layer depth measurements on a laptop as Elchin Jafarov looks on. (Credit: Kevin Schaefer, NSIDC)Oct 22, 2013
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105 viewsAndy Persekian, Lin Liu, Elchin Jafarov, and Kevin Schaefer pose next to whale bones at the Welcome to Barrow, Alaska sign. (Credit: Elchin Jafarov, NSIDC)Oct 22, 2013
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87 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)Oct 22, 2013
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permafrost, nsidc, kevin schaefer, alaska, barrow83 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).Oct 22, 2013
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