A Pacific sand lance, Pacific herrring and a capelin in Prince William Sound, Alaska
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A Pacific sand lance, Pacific herrring and a capelin
A Pacific sand lance, Pacific herrring and a capelin in Prince William Sound, Alaska
A catch of Pacific sandlance, capelin and other forage fish
A catch of Pacific sandlance, capelin and other forage fish
A catch of Pacific sandlance, capelin and other forage fish
Emperor geese standing at the shoreline near Kodiak
Emperor geese standing at the shoreline near Kodiak.
Emperor geese standing at the shoreline near Kodiak.
Resurrection Bay multibeam imagery
Sonar-generated image showing underwater topography and the potential for landslides near the head of Resurrection Bay, Alaska. The terrain looks three times as steep as it occurs naturally. The arrow points to underwater landslide debris from the collapse of a fan-delta following the great Alaskan earthquake of 1964.
Sonar-generated image showing underwater topography and the potential for landslides near the head of Resurrection Bay, Alaska. The terrain looks three times as steep as it occurs naturally. The arrow points to underwater landslide debris from the collapse of a fan-delta following the great Alaskan earthquake of 1964.
Scientist holding a Grey-cheeked Thrush
Scientist holding a Grey-cheeked Thrush
Scientist holding a Grey-cheeked Thrush
Steller's Eiders in Izembek Lagoon. Isanotski Volcano in background
Steller's Eiders in Izembek Lagoon. Isanotski Volcano in background
Steller's Eiders in Izembek Lagoon. Isanotski Volcano in background
Black-capped Chickadee with upper long, curved down beak and crossed
Black-capped Chickadee with upper long, curved down beak and crossed. Avian keratin disorder (AKD) is a disease characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality.
Black-capped Chickadee with upper long, curved down beak and crossed. Avian keratin disorder (AKD) is a disease characterized by debilitating beak overgrowth and other abnormalities of keratinized tissues. Affected birds have difficulty feeding and preening and may suffer high rates of mortality.
Four clams taken from a sea otter forage survey
Clams layed out on a piece of plywood as part of a sea otter forage survey in Glacier Bay National Park and Preserve.
Clams layed out on a piece of plywood as part of a sea otter forage survey in Glacier Bay National Park and Preserve.
Pacific Brant family in Alaska
Pacific brant family on the Yukon-Kuskokwim Delta, Alaska.
Pacific brant family on the Yukon-Kuskokwim Delta, Alaska.
Juvenile salmon from the Kuskokwim Bay, Alaska
Results from a trawl run in Kuskokwim Bay. Mostly juvenile chum salmon and one stickleback.
Results from a trawl run in Kuskokwim Bay. Mostly juvenile chum salmon and one stickleback.
A Pacific sand lance from Glacier Bay National Park and Preserve
A Pacific sand lance from Glacier Bay National Park and Preserve
A Pacific sand lance from Glacier Bay National Park and Preserve
Denali Fault: Alaska Pipeline
View south along the Trans Alaska Pipeline in the zone where it was engineered for the Denali fault. The fault trace passes beneath the pipeline between the 2nd and 3rd slider supports at the far end of the zone. A large arc in the pipe can be seen in the pipe on the right, due to shortening of the zigzag-shaped pipeline trace within the fault zone.
View south along the Trans Alaska Pipeline in the zone where it was engineered for the Denali fault. The fault trace passes beneath the pipeline between the 2nd and 3rd slider supports at the far end of the zone. A large arc in the pipe can be seen in the pipe on the right, due to shortening of the zigzag-shaped pipeline trace within the fault zone.
Denali Fault: Alaska Pipeline
Surface faulting split this tree near the Trans Alaska Pipeline.
Surface faulting split this tree near the Trans Alaska Pipeline.
Central Alaska Range
View of central Alaska Range from the south.
View of central Alaska Range from the south.
Portage, Burns and Shakespeare glaciers in Southcentral Alaska
Portage Glacier (right), Burns Glacier (center), Shakespeare Glacier (left) in Southcentral Alaska from the air.
Portage Glacier (right), Burns Glacier (center), Shakespeare Glacier (left) in Southcentral Alaska from the air.
Yukon Delta
After beginning in northern British Columbia and flowing through Yukon in Canada, the Yukon River crosses Alaska, USA, before emptying into the Bering Sea. Countless lakes, sloughs, and ponds are scattered throughout this scene of the Yukon Delta. The river's sinuous, branching waterways seem like blood vessels branching out to enclose an organ.
After beginning in northern British Columbia and flowing through Yukon in Canada, the Yukon River crosses Alaska, USA, before emptying into the Bering Sea. Countless lakes, sloughs, and ponds are scattered throughout this scene of the Yukon Delta. The river's sinuous, branching waterways seem like blood vessels branching out to enclose an organ.
A sunset seen from Kaktovik, Alaska
A sunset seen from Kaktovik, Alaska
A sunset seen from Kaktovik, Alaska
Beach seining on the Yukon River Delta
Jason Baker and Scott McLean pulling a beach seine in a side channel of the Yukon River
Jason Baker and Scott McLean pulling a beach seine in a side channel of the Yukon River
Von Karman Vortices
As air flows over and around objects in its path, spiraling eddies, known as Von Karman vortices, may form. The vortices in this image were created when prevailing winds sweeping east across the northern Pacific Ocean encountered Alaska's Aleutian Islands.
As air flows over and around objects in its path, spiraling eddies, known as Von Karman vortices, may form. The vortices in this image were created when prevailing winds sweeping east across the northern Pacific Ocean encountered Alaska's Aleutian Islands.
Alaska Mountain Range
Alaska mountain range.
Alaska mountain range.