NSIDC:
Exposed_grass
NSIDC:
Arctic_flower
NSIDC:
Exposed_wood
NSIDC:
Arctic_fox
NSIDC:
bear-tundra
NSIDC:
Arctic tundra
NSIDC:
Caribou
NSIDC:
driving_Alaska
NSIDC:
Thermokarst_ice
NSIDC:
Exposed_Palsa
NSIDC:
Cracks in permafrost
NSIDC:
Researchers on a mission
NSIDC:
NSIDC researcher stands on permafrost
NSIDC:
Radar equipment
NSIDC:
2013 Permafrost Survey
NSIDC:
Soil sample
NSIDC:
Researcher hammer time
NSIDC:
Tundra in the summer
NSIDC:
Sloshing in permafrost
NSIDC:
NSIDC scientist stands in thawing permafrost
NSIDC:
Wet tundra
NSIDC:
Mosquito attack
NSIDC:
Permafrost landscape
NSIDC:
Researchers pulling equipment
NSIDC:
Researchers unpacking
NSIDC:
Drilling cores in permafrost
NSIDC:
Ice core with moss
NSIDC:
Permafrost core
NSIDC:
Researchers rest
NSIDC:
Pingo in Alaska
