Sounding weight on the Copper River Delta, Alaska
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Sounding weight on the Copper River Delta, Alaska
Sounding weight on the Copper River Delta, Alaska
Two polar bears swimming in the water in the Beaufort Sea
Two polar bears swimming in the water in the Beaufort Sea
Two polar bears swimming in the water in the Beaufort Sea
Drawing blood samples from an anesthetized polar bear
Drawing blood samples from an anesthetized polar bear
Drawing blood samples from an anesthetized polar bear
Normal Black-capped Chickadee
Normal Black-capped Chickadee
Aerial view of Sperry Glacier in Glacier National Park, Montana
Aerial view of Sperry Glacier in Glacier National Park, Montana. Sperry Glacier occupies a broad, shallow cirque situated just beneath and west of the Continental Divide in the Lewis Mountain Range of Glacier National Park, Montana. Due to its position on the Continental Divide the glacier is influenced by both maritime and continental air masses.
Aerial view of Sperry Glacier in Glacier National Park, Montana. Sperry Glacier occupies a broad, shallow cirque situated just beneath and west of the Continental Divide in the Lewis Mountain Range of Glacier National Park, Montana. Due to its position on the Continental Divide the glacier is influenced by both maritime and continental air masses.
Landsat satellite image of submerged aquatic vegetation, Alaska
This Landsat satellite imagery was acquired in August 2009, from the USGS-Earth Resource and Observation Science Center web page, https://www.usgs.gov/centers/eros/data-tools. This Landsat Enhanced Thematic Mapper Plus satellite image was augmented to detect submerged aquatic vegetation in Chignik
This Landsat satellite imagery was acquired in August 2009, from the USGS-Earth Resource and Observation Science Center web page, https://www.usgs.gov/centers/eros/data-tools. This Landsat Enhanced Thematic Mapper Plus satellite image was augmented to detect submerged aquatic vegetation in Chignik
Cannery Creek after the Redoubt Volcano eruption of 2009
Cannery Creek on the west side of Cook Inlet, Alaska. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Cannery Creek on the west side of Cook Inlet, Alaska. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Clear Montana Bill Creek flowing into volcanically silted creek
A clear Montana Bill Creek flowing into volcanically silted creek. Coho salmon are seen holding in the clear water area. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
A clear Montana Bill Creek flowing into volcanically silted creek. Coho salmon are seen holding in the clear water area. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Salmon in Montana Bill Creek after the Redoubt Volcano 2009 eruption
A coho salmon holding in Montana Bill Creek after the Redoubt volcano eruption.
A coho salmon holding in Montana Bill Creek after the Redoubt volcano eruption.
Drift River lahar from shore after the Redoubt Volcano 2009 eruption
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
A Drift River lahar after the Redoubt Volcano 2009 eruption
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams. Alaska Department of Fish and Game had done surveys in this particular area and found coho salmon before the eruption.
Drift River on the west side of Cook Inlet, Alaska. Lahars from the eruption of Redoubt are evident. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams. Alaska Department of Fish and Game had done surveys in this particular area and found coho salmon before the eruption.
View across the Drift River after the Redoubt Volcano 2009 eruption
View of the amount of lahar deposit from across the river and the amount of deposit the river has eroded out to sea in about 6 months. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
View of the amount of lahar deposit from across the river and the amount of deposit the river has eroded out to sea in about 6 months. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
The lower Drift River after the Redoubt Volcano 2009 eruption
Lower Drift River with tremendous amount of silt from the lahars. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Lower Drift River with tremendous amount of silt from the lahars. Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Redoubt Volcano panorama with the Drift River Delta
A panorama of the Redoubt Volcano after the 2009 eruption and the Drift River delta in the foreground
A panorama of the Redoubt Volcano after the 2009 eruption and the Drift River delta in the foreground
Upper Crescent River, Alaska
Upper Crescent River on the west side of Cook Inlet, Alaska. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Upper Crescent River on the west side of Cook Inlet, Alaska. Surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
The Drift River near Redoubt Volcano after the 2009 eruption
Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Aerial surveys were done after the eruption of the Redoubt volcano to determine the condition of fish streams.
Aerial view of the Lake Clark National Park and Preserve area
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial view of the Lake Clark National Park and Preserve area
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial view of the Lake Clark National Park and Preserve area
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of Tuxedni Bay on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
An aerial view of a tributary to Lake Clark, Alaska
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
A tributary of Lake Clark, Alaska
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.
Aerial views of streams on the west side of Cook Inlet, Alaska. This was during surveys for juvenile salmon distribution for the Anadromous Fish Catalog for the State of Alaska.