Deployment of a limnocorral at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Images
Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
Deployment of a limnocorral at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Vanessa von Biela with a Chinook salmon on the Yukon River
Vanessa von Biela with a Chinook salmon on the Yukon RiverVanessa von Biela with a Chinook salmon on the Yukon River.
Vanessa von Biela with a Chinook salmon on the Yukon River
Vanessa von Biela with a Chinook salmon on the Yukon RiverVanessa von Biela with a Chinook salmon on the Yukon River.
A banded Black-legged Kittiwake taking off with a juvenile Pacific herring near Little Green Island in Prince William Sound, Alaska.
A banded Black-legged Kittiwake taking off with a juvenile Pacific herring near Little Green Island in Prince William Sound, Alaska.
A banded Black-legged Kittiwake foraging near Little Green Island in Prince William Sound, Alaska.
A banded Black-legged Kittiwake foraging near Little Green Island in Prince William Sound, Alaska.
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lance
Black-legged Kittiwakes foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance
A completed limnocorral positioned over a bed of Elodea spp.. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
A completed limnocorral positioned over a bed of Elodea spp.. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems.
Fish drying at a subsistence fish camp along the Yukon River
Fish drying at a subsistence fish camp along the Yukon RiverFish drying at a subsistence fish camp along the Yukon River.
Fish drying at a subsistence fish camp along the Yukon River
Fish drying at a subsistence fish camp along the Yukon RiverFish drying at a subsistence fish camp along the Yukon River.
Short-eared Owl. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Short-eared Owl. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Black-legged Kittiwake captured 2 Pacific sand lance
Black-legged Kittiwake captured 2 Pacific sand lanceBlack-legged Kittiwake captured 2 Pacific sand lance.
Black-legged Kittiwake captured 2 Pacific sand lance
Black-legged Kittiwake captured 2 Pacific sand lanceBlack-legged Kittiwake captured 2 Pacific sand lance.
Randy Brown adjusts a fish wheel trap on the Yukon River
Randy Brown adjusts a fish wheel trap on the Yukon RiverRandy Brown adjusts a fish wheel trap on the Yukon River that will catch Chinook salmon.
Randy Brown adjusts a fish wheel trap on the Yukon River
Randy Brown adjusts a fish wheel trap on the Yukon RiverRandy Brown adjusts a fish wheel trap on the Yukon River that will catch Chinook salmon.
Black-legged Kittiwake foraging on Pacific sand lance
Black-legged Kittiwake foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance.
Black-legged Kittiwake foraging on Pacific sand lance
Black-legged Kittiwake foraging on Pacific sand lanceBlack-legged Kittiwakes foraging on Pacific sand lance.
A closeup of a male Willow Ptarmigan.
A closeup of a male Willow Ptarmigan.
Investigating a trench across the Fairweather Fault
Investigating a trench across the Fairweather FaultUSGS Research Geologist Chris DuRoss investigates earthquake-faulted stratigraphy exposed in a hand-dug trench across the Fairweather Fault scarp. Location: Crillon Lake, Glacier Bay National Park, Alaska.
Investigating a trench across the Fairweather Fault
Investigating a trench across the Fairweather FaultUSGS Research Geologist Chris DuRoss investigates earthquake-faulted stratigraphy exposed in a hand-dug trench across the Fairweather Fault scarp. Location: Crillon Lake, Glacier Bay National Park, Alaska.
USGS scientists Adrian Bender and Peter Haeussler walk along the base of a ~10 m tall escarpment formed during past ground-rupturing earthquakes on the Fairweather Fault. Location: Crillon Lake, Glacier Bay National Park, Alaska
USGS scientists Adrian Bender and Peter Haeussler walk along the base of a ~10 m tall escarpment formed during past ground-rupturing earthquakes on the Fairweather Fault. Location: Crillon Lake, Glacier Bay National Park, Alaska
USGS Geologist Adrian Bender surveys a trace of the 1958 Fairweather Fault earthquake surface rupture. The trace forms a linear, uphill-facing, 1-2 m tall escarpment flanked by trees that were likely tilted during the 1958 earthquake. Location: Crillon Lake, Glacier Bay National Park, Alaska.
USGS Geologist Adrian Bender surveys a trace of the 1958 Fairweather Fault earthquake surface rupture. The trace forms a linear, uphill-facing, 1-2 m tall escarpment flanked by trees that were likely tilted during the 1958 earthquake. Location: Crillon Lake, Glacier Bay National Park, Alaska.
Male Arctic Warbler on the Seward Peninsula, Alaska
Male Arctic Warbler on the Seward Peninsula, AlaskaMale Arctic Warbler on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Male Arctic Warbler on the Seward Peninsula, Alaska
Male Arctic Warbler on the Seward Peninsula, AlaskaMale Arctic Warbler on the Seward Peninsula, Alaska. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Setting a trap for gulls at the Soldotna landfill in June 2016
Setting a trap for gulls at the Soldotna landfill in June 2016Scientists Andrew Ramey, Bjorn Olsen, and Jonas Bonnedahl (L to R) setting a trap for gulls at the Soldotna landfill in June 2016.
Setting a trap for gulls at the Soldotna landfill in June 2016
Setting a trap for gulls at the Soldotna landfill in June 2016Scientists Andrew Ramey, Bjorn Olsen, and Jonas Bonnedahl (L to R) setting a trap for gulls at the Soldotna landfill in June 2016.
The field team included USGS geologists Rob Witter, Adrian Bender, Chris DuRoss, Peter Haeussler, Richard Lease and Kate Scharer
The field team included USGS geologists Rob Witter, Adrian Bender, Chris DuRoss, Peter Haeussler, Richard Lease and Kate Scharer
View of Glacier Bay National Park from the air.
View of Glacier Bay National Park from the air.
Fairweather fault lidar
Fairweather fault lidar
Trench site along the southern Fairweather Fault, in Glacier Bay National Park, Alaska. The alluvial fan at left consists of lake, stream channel and debris flow deposits impounded by the Fairweather Fault scarp, at right.
Trench site along the southern Fairweather Fault, in Glacier Bay National Park, Alaska. The alluvial fan at left consists of lake, stream channel and debris flow deposits impounded by the Fairweather Fault scarp, at right.