A polar bear is being subjected to the enhanced sampling protocol for suspected alopecic bears. In the photo, we're using the tape measure to demonstrate the size of the area of hair loss on the neck. This photo was taken on the sea ice north of Utqiagvik, Alaska.
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USGS scientist measuring for suspected alopecia
A polar bear is being subjected to the enhanced sampling protocol for suspected alopecic bears. In the photo, we're using the tape measure to demonstrate the size of the area of hair loss on the neck. This photo was taken on the sea ice north of Utqiagvik, Alaska.
Epigenetic ice wedge exposed along the Beaufort Sea coast
Epigenetic ice wedge exposed along the Beaufort Sea coastEpigenetic ice wedge exposed along the Beaufort Sea coast. This ice wedge is formed in ice-rich silt. The location is west of Point Lonely, Alaska.
Epigenetic ice wedge exposed along the Beaufort Sea coast
Epigenetic ice wedge exposed along the Beaufort Sea coastEpigenetic ice wedge exposed along the Beaufort Sea coast. This ice wedge is formed in ice-rich silt. The location is west of Point Lonely, Alaska.
Tanalian Mountain and Hardenburg Bay in Lake Clark, Alaska
Tanalian Mountain and Hardenburg Bay in Lake Clark, AlaskaReflections of Tanalian Mountain and Hardenburg Bay in Lake Clark, Alaska. Near Port Alsworth.
Tanalian Mountain and Hardenburg Bay in Lake Clark, Alaska
Tanalian Mountain and Hardenburg Bay in Lake Clark, AlaskaReflections of Tanalian Mountain and Hardenburg Bay in Lake Clark, Alaska. Near Port Alsworth.
Alaska Permafrost
General view of a 35-meter-high riverbank exposure of the ice-rich syngenetic permafrost (yedoma) containing large ice wedges along the Itkillik River in northern Alaska. Copyright-free photo courtesy of Mikhail Kanevskiy; University of Alaska Fairbanks, Institute of Northern Engineering.
General view of a 35-meter-high riverbank exposure of the ice-rich syngenetic permafrost (yedoma) containing large ice wedges along the Itkillik River in northern Alaska. Copyright-free photo courtesy of Mikhail Kanevskiy; University of Alaska Fairbanks, Institute of Northern Engineering.
USGS Station streamgage 15905100 at the Atigun River, Alaska
USGS Station streamgage 15905100 at the Atigun River, AlaskaStreamgage number 15905100 at the Atigun River, Alaska. The Alyeska oil pipeline is in the background.
USGS Station streamgage 15905100 at the Atigun River, Alaska
USGS Station streamgage 15905100 at the Atigun River, AlaskaStreamgage number 15905100 at the Atigun River, Alaska. The Alyeska oil pipeline is in the background.
Li Erikson in Alaska
USGS scientist Li Erikson poses for a picture in Alaska. Learn more about Li's research about climate impacts to Arctic coasts: https://www.usgs.gov/centers/pcmsc/science/climate-impacts-arctic-coasts.
USGS scientist Li Erikson poses for a picture in Alaska. Learn more about Li's research about climate impacts to Arctic coasts: https://www.usgs.gov/centers/pcmsc/science/climate-impacts-arctic-coasts.
Caribou grazing near Dalton Highway, Alaska
Caribou grazing along the Dalton Highway, Alaska. More information can be found on the fact sheet:
Caribou grazing along the Dalton Highway, Alaska. More information can be found on the fact sheet:
Polar bear on ice in the southern Beaufort Sea, April 8, 2011
Polar bear on ice in the southern Beaufort Sea, April 8, 2011A polar bear walks across rubble ice in the Alaska portion of the southern Beaufort Sea, April 8, 2011
Polar bear on ice in the southern Beaufort Sea, April 8, 2011
Polar bear on ice in the southern Beaufort Sea, April 8, 2011A polar bear walks across rubble ice in the Alaska portion of the southern Beaufort Sea, April 8, 2011
George Durner and Jennifer Wiley working on an anesthetized polar bear
George Durner and Jennifer Wiley working on an anesthetized polar bearGeorge Durner and Jennifer Wiley working on an anesthetized polar bear
George Durner and Jennifer Wiley working on an anesthetized polar bear
George Durner and Jennifer Wiley working on an anesthetized polar bearGeorge Durner and Jennifer Wiley working on an anesthetized polar bear
Caribou in the Winter in Northern Alaska
Caribou from the Central Arctic herd along the Sagavanirktok River in northern Alaska.
Sagavanirktok River, AK.
Caribou from the Central Arctic herd along the Sagavanirktok River in northern Alaska.
Sagavanirktok River, AK.
Caribou in the Winter in Northern Alaska
Caribou from the Central Arctic herd along the Sagavanirktok River in northern Alaska.
Sagavanirktok River, AK.
Caribou from the Central Arctic herd along the Sagavanirktok River in northern Alaska.
Sagavanirktok River, AK.
Caribou from the Central Arctic Herd in the winter in Northern Alaska
Caribou from the Central Arctic Herd in the winter in Northern AlaskaCaribou from the Central Arctic herd along the Sagavanirktok River in northern Alaska.
Sagavanirktok River, AK.
Caribou from the Central Arctic Herd in the winter in Northern Alaska
Caribou from the Central Arctic Herd in the winter in Northern AlaskaCaribou from the Central Arctic herd along the Sagavanirktok River in northern Alaska.
Sagavanirktok River, AK.
Northern Pygmy-Owl at night in Juneau, Alaska
Northern Pygmy-Owl at night in Juneau, Alaska.
Northern Pygmy-Owl at night in Juneau, Alaska.
An aerial view of a Cook Inlet bridge
Aerial view of a bridge over the Cook Inlet.
Aerial view of a bridge over the Cook Inlet.
Chester Creek in Anchorage, Alaska
Chester Creek in Anchorage, Alaska.
Chester Creek in Anchorage, Alaska.
Aerial view of the Matanuska River Delta
Aerial view of the Matanuska River Delta.
Aerial view of the Matanuska River Delta.
Aerial of a Cook Inlet stream
Cook Inlet aerial stream
Short-eared Owl in the Juneau, Alaska
Short-eared Owl in the Juneau, Alaska.
Short-eared Owl in the Juneau, Alaska.
USGS Alaska Science Center and Alaska Volcano Observatory office
USGS Alaska Science Center and Alaska Volcano Observatory officeUSGS Alaska Science Center and Alaska Volcano Observatory Grace Hall office
USGS Alaska Science Center and Alaska Volcano Observatory office
USGS Alaska Science Center and Alaska Volcano Observatory officeUSGS Alaska Science Center and Alaska Volcano Observatory Grace Hall office
Tanana River pier at Nenana
Tanana River pier at Nenana
Tanana River pier at Nenana
Tanana River bridge at Nenana
Tanana River bridge at Nenana
Tanana River bridge at Nenana