Images

Reflections of Tanalian Mountain and Hardenburg Bay in Lake Clark, Alaska. Near Port Alsworth.

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.

Streamgage number 15905100 at the Atigun River, Alaska.  The Alyeska oil pipeline is in the background.

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 along the Dalton Highway, Alaska. More information can be found on the fact sheet:

A 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

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 along the Sagavanirktok River in northern Alaska.

Sagavanirktok River, AK.

Northern Pygmy-Owl at night in Juneau, Alaska.

Aerial view of the Matanuska River Delta.

Cook Inlet aerial stream

Aerial view of a bridge over the Cook Inlet.

Chester Creek in Anchorage, Alaska.

Short-eared Owl in the Juneau, Alaska.

USGS Alaska Science Center and Alaska Volcano Observatory Grace Hall office

Montana River sonar on a bridge

Tanana River pier at Nenana

Tanana River bridge at Nenana

Sheridan River bridge