USGS scientists Kate Scharer, Richard Lease, and Adrian Bender excavate a marine terrace elevated tens of meters above sea level on the west side of the Fairweather Fault. Location: Icy Point, Glacier Bay National Park, Alaska.
Images
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Investigating a marine terrace along the Fairweather Fault
USGS scientists Kate Scharer, Richard Lease, and Adrian Bender excavate a marine terrace elevated tens of meters above sea level on the west side of the Fairweather Fault. Location: Icy Point, Glacier Bay National Park, Alaska.
River terraces elevated along the Fairweather Fault
USGS scientists Richard Lease and Adrian Bender examine river terraces elevated tens of meters above the modern channel level on the west side of the Fairweather Fault. Location: Kaknau Creek, Icy Point, Glacier Bay National Park, Alaska.
USGS scientists Richard Lease and Adrian Bender examine river terraces elevated tens of meters above the modern channel level on the west side of the Fairweather Fault. Location: Kaknau Creek, Icy Point, Glacier Bay National Park, Alaska.
Common Murres at breeding colony, Alaska-close up of egg
Common Murres at their breeding colony on Gull Island, Kachemak Bay, Alaska. One of the murres standing next to egg.
Common Murres at their breeding colony on Gull Island, Kachemak Bay, Alaska. One of the murres standing next to egg.
Black-capped Chickadee with a deformed crossed beak
A Black-capped Chickadee with a beak that has grown long and crossed
A Black-capped Chickadee with a beak that has grown long and crossed
Red-breasted Nuthatch with an elongated deformed beak
Female Red-breasted Nuthatch with an elongated beak. It was captured in Anchorage as part of the beak deformity research project. 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.
Female Red-breasted Nuthatch with an elongated beak. It was captured in Anchorage as part of the beak deformity research project. 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.
Participatory Mapping
Indigenous Knowledge holders share knowledge during a participatory mapping workshop in Kotlik, AK.
Indigenous Knowledge holders share knowledge during a participatory mapping workshop in Kotlik, AK.
Torrs of the Ruby Batholith
Scintillometer and torrs of the Melozitna granite in the Ruby batholith. This granite contains abundant monazite and high levels of thorium and rare earth elements. This area is part of the Bureau of Land Management's Central Yukon Planning Area, which USGS did a mineral assessment of in 2015.
Scintillometer and torrs of the Melozitna granite in the Ruby batholith. This granite contains abundant monazite and high levels of thorium and rare earth elements. This area is part of the Bureau of Land Management's Central Yukon Planning Area, which USGS did a mineral assessment of in 2015.
A stony islet in one of the many ponds of Icy Point
A stony islet in one of the many ponds of Icy Point.
A stony islet in one of the many ponds of Icy Point.
Bristle-thighed Curlew in Alaska
A Bristle-thighed Curlew on the tundra. This photo was taken during the Changing Arctic Ecosystems Boreal-Arctic Transition program.
A Bristle-thighed Curlew on the tundra. This photo was taken during the Changing Arctic Ecosystems Boreal-Arctic Transition program.
ASC biologists necropsy Common Murres
ASC biologists John Piatt, Sarah Schoen, Gary Drew, and Brielle Heflin necropsy Common Murres recovered in Prince William Sound following the massive die-off of murres in 2015/2016.
ASC biologists John Piatt, Sarah Schoen, Gary Drew, and Brielle Heflin necropsy Common Murres recovered in Prince William Sound following the massive die-off of murres in 2015/2016.
Emaciated Common Murre lays on the laboratory table
An emaciated Common Murre lays on the laboratory table during a necropsy to determine the cause of death for a massive die-off of murres in 2015/2016.
An emaciated Common Murre lays on the laboratory table during a necropsy to determine the cause of death for a massive die-off of murres in 2015/2016.
Tufted Puffin, near Dutch Harbor in the Aleutian Islands, Alaska
Tufted Puffin, the species most affected by a recent seabird die-off in the Pribilof Islands, AK. Near Dutch Harbor in the Aleutian Islands, Alaska
Tufted Puffin, the species most affected by a recent seabird die-off in the Pribilof Islands, AK. Near Dutch Harbor in the Aleutian Islands, Alaska
A layout diagram of the R/V Alaskan Gyre
A layout illustration of the R/V Alaskan Gyre deck.
A layout illustration of the R/V Alaskan Gyre deck.
Salmon River in Southeast Alaska
Salmon River is one of the transboundary watersheds of Southeast Alaska.
Salmon River is one of the transboundary watersheds of Southeast Alaska.
Kashwitna River sonar on a bridge
Kashwitna River sonar on a bridge
Polar bear walks across flooded barrier island during Arctic storm
Adult polar bear walking across a recently overwashed barrier island during a large Arctic storm in September 2016. The barrier island is offshore of Barter Island on Alaska’s north coast.
Adult polar bear walking across a recently overwashed barrier island during a large Arctic storm in September 2016. The barrier island is offshore of Barter Island on Alaska’s north coast.
Pacific Golden-Plover standing on rocks near Big Creek, Alaska
Pacific Golden-Plover standing on rocks near Big Creek, Alaska.
Pacific Golden-Plover standing on rocks near Big Creek, Alaska.
Scientists setting up limnocorrals on McKinley Lake, Alaska
USGS and US Forest Service scientists deploying limnocorrals at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp.
USGS and US Forest Service scientists deploying limnocorrals at McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp.
Two limnocorrals on McKinley Lake
Two limnocorrals on McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems. Disclaimer statement: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Two limnocorrals on McKinley Lake, near Cordova, Alaska for Elodea spp. experiment. This experiment is studying the effect of the invasive species Elodea spp. on aquatic ecosystems. Disclaimer statement: Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.