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Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
Zan Frederick (USGS) installing a camera on the Mt. Foraker weather station, located on the southeast ridge at 7,826'. Mt. McKinley (20,320 ft) and Mt. Hunter (14,573 ft) are in the background. This site is a collaboration between USGS, Denali National Park, and the National Park Service Inventory and Monitoring program.
Zan Frederick (USGS) installing a camera on the Mt. Foraker weather station, located on the southeast ridge at 7,826'. Mt. McKinley (20,320 ft) and Mt. Hunter (14,573 ft) are in the background. This site is a collaboration between USGS, Denali National Park, and the National Park Service Inventory and Monitoring program.
Zan Frederick (USGS) installing a camera on the Mt. Foraker weather station, located on the southeast ridge at 7,826'. This site is a collaboration between USGS, Denali National Park, and the National Park Service Inventory and Monitoring program. The camera transmits low-latency images once daily in winter and hourly during the busy summer season.
Zan Frederick (USGS) installing a camera on the Mt. Foraker weather station, located on the southeast ridge at 7,826'. This site is a collaboration between USGS, Denali National Park, and the National Park Service Inventory and Monitoring program. The camera transmits low-latency images once daily in winter and hourly during the busy summer season.
Bar plot showing the percentage of Chinook salmon with evidence of heat stress in each group based on the heat shock protein 70 (HSP70) protein concentration data. Map indicates sample collection locations. Sample groups are arranged by region from north to south: Norton Sound (purple), Yukon (orange), and Kuskokwim (green).
Bar plot showing the percentage of Chinook salmon with evidence of heat stress in each group based on the heat shock protein 70 (HSP70) protein concentration data. Map indicates sample collection locations. Sample groups are arranged by region from north to south: Norton Sound (purple), Yukon (orange), and Kuskokwim (green).
Wind driven snow transport across the glacier surface near site Y on upper Wolverine Glacier.
Wind driven snow transport across the glacier surface near site Y on upper Wolverine Glacier.
At site S on Wolverine Glacier. Zan digs down to the previous summer surface to see where the ablation stake intersects the melt surface. This will allow scientists to calculate the ablation (melt) from the previous summer.
At site S on Wolverine Glacier. Zan digs down to the previous summer surface to see where the ablation stake intersects the melt surface. This will allow scientists to calculate the ablation (melt) from the previous summer.
The wind was too strong for a helicopter to land, therefore, glaciologist skied down Wolverine Glacier to Paradise Lake.
The wind was too strong for a helicopter to land, therefore, glaciologist skied down Wolverine Glacier to Paradise Lake.
Extending a mass balance stake at site EC on upper wolverine glacier. These stakes are used to measure snow accumulation and ablation (melt).
Extending a mass balance stake at site EC on upper wolverine glacier. These stakes are used to measure snow accumulation and ablation (melt).
By 4:42 pm on December 13, the sun has set and it is time leave Wolverine Glacier.
By 4:42 pm on December 13, the sun has set and it is time leave Wolverine Glacier.
Taking notes at site EC on Wolverine Glacier.
Landsat 9 image of Columbia Glacier, Alaska on Sept. 17, 2025.
Landsat 9 image of Columbia Glacier, Alaska on Sept. 17, 2025.
A shelf full of legacy data collected on seabirds in Cook Inlet and Glacier Bay, Alaska.
A shelf full of legacy data collected on seabirds in Cook Inlet and Glacier Bay, Alaska.
Alaska Science Center Data Management staff organize, scan, and digitally archive physical data. Once published as part of a data release, the physical data are organized and placed into banker boxes, labeled with pertinent information, such as the data release DOI, and moved to a secure location.
Alaska Science Center Data Management staff organize, scan, and digitally archive physical data. Once published as part of a data release, the physical data are organized and placed into banker boxes, labeled with pertinent information, such as the data release DOI, and moved to a secure location.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.
Orange streams are increasingly common in the Brooks Range of northern Alaska. The orange stream color reflects oxidized iron, but also often indicates elevated heavy metal concentrations. Our ongoing study aims to document these occurrences and the timing of their onset.