A weir on the Snake River, near Nome, Alaska. This weir was used to count chum and coho salmon adults.
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Fish weir on the Snake River, near Nome, Alaska
A weir on the Snake River, near Nome, Alaska. This weir was used to count chum and coho salmon adults.
Sockeye salmon in shallow waters of Salmon Lake
Sockeye salmon in shallow waters of Salmon Lake which is at the headwaters of the Pilgrim River.
Sockeye salmon in shallow waters of Salmon Lake which is at the headwaters of the Pilgrim River.
Spawning sockeye salmon in the Grand Central River, near Nome, Alaska
Spawning sockeye salmon in the Grand Central River, near Nome, Alaska
Spawning sockeye salmon in the Grand Central River, near Nome, Alaska
Northern Fulmars on the water
Northern Fulmars on the water
Starting to bring in the mid-water trawl on the R/V Alaskan Gyre
Bring in the mid-water trawl on the R/V Alaskan Gyre
Bring in the mid-water trawl on the R/V Alaskan Gyre
Fish River on the Seward Peninsula, Alaska
Scenic view of the Fish River on Seward Peninsula, Alaska.
Scenic view of the Fish River on Seward Peninsula, Alaska.
Fish River on the Seward Peninsula, Alaska
Scenic view of the Fish River on Seward Peninsula, Alaska.
Scenic view of the Fish River on Seward Peninsula, Alaska.
The Nome River with clear skies
Scenic view of the Nome River
The Nome River, Alaska
Scenic view of the Nome River
The Nome River, Alaska
Scenic view of the Nome River
Whiskered Auklet in the Aleutian Islands
Whiskered Auklet in the Aleutian Islands
Whiskered Auklet in the Aleutian Islands
Yukon River near Eagle, Alaska
Yukon River and rainbow near Eagle, Alaska
Yukon River and rainbow near Eagle, Alaska
George Durner collecting data on an anesthetized polar bear
George Durner collecting data on an anesthetized polar bear
George Durner collecting data on an anesthetized polar bear
Sheridan River scour hole
Sheridan River scour hole
Muir and Riggs Glaciers, Muir Inlet, Alaska
Glaciers
As this picture of Muir and Riggs Glaceris in Alaska shows, glaciers are really rivers, but rivers of solid ice instead of liquid water. Just because they are solid does not mean they don't move, though. Glaciers do flow downhill, just very, very slowly.
Glaciers
As this picture of Muir and Riggs Glaceris in Alaska shows, glaciers are really rivers, but rivers of solid ice instead of liquid water. Just because they are solid does not mean they don't move, though. Glaciers do flow downhill, just very, very slowly.
Black Scoter in Dutch Harbor, Alaska
Black Scoter: Dutch Harbor, Alaska
Black Scoter: Dutch Harbor, Alaska
Steller's Eider in Dutch Harbor, Alaska
Steller's Eider in Dutch Harbor, Alaska
Steller's Eider in Dutch Harbor, Alaska
Muir and Riggs Glaciers, Muir Inlet, Alaska - 2004
The second repeat photograph documents significant changes that have occurred during the 63 years between photographs A and C, and during the 54 years between photographs B and C. Muir Glacier has retreated out of the field of view and is now more than 7 kilometers northwest. Riggs Glacier has retreated as much as 600 meters and thinned more than 250 meters.
The second repeat photograph documents significant changes that have occurred during the 63 years between photographs A and C, and during the 54 years between photographs B and C. Muir Glacier has retreated out of the field of view and is now more than 7 kilometers northwest. Riggs Glacier has retreated as much as 600 meters and thinned more than 250 meters.
Pacific sand lance in Prince William Sound next to a ruler
Pacific sand lance in Prince William Sound next to a ruler
Pacific sand lance in Prince William Sound next to a ruler