Kashwitna River sonar on a bridge
Images
Browse images from a wide range of science topics covered by USGS.
Filter Total Items: 902
Kashwitna River sonar on a bridge
Coastal bluff study site prep
Two scientists on the Arctic coastal bluff preparing a study location with cameras that they hope will run continuously, collecting images.
Two scientists on the Arctic coastal bluff preparing a study location with cameras that they hope will run continuously, collecting images.
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.
Agashashok River and Asik watershed
The Agashashok River and Asik watershed
The Agashashok River and Asik watershed
Polar bear lazes in a field on Barter Island, Alaska
A polar bear rests in a field on Barter Island, Alaska.
A polar bear rests in a field on Barter Island, Alaska.
Tyndall Glacier in Taan Fiord, Alaska
Tyndall Glacier in Taan Fiord, Alaska, is a modern day remnant of the glaciers that once flowed over the Gulf of Alaska.
Tyndall Glacier in Taan Fiord, Alaska, is a modern day remnant of the glaciers that once flowed over the Gulf of Alaska.
GPR and Broadband Electromagnetic Induction
USGS scientists conduct field work in the foothills of the Brooks Range in Alaska. Hydrologist Eric White (left) is collecting ground-penetrating radar (GPR). Research Hydrologist Martin Briggs (right) is collecting broadband electromagnetic induction data. The flowing water visible in the background is groundwater discharging at a spring. (October 2016)
USGS scientists conduct field work in the foothills of the Brooks Range in Alaska. Hydrologist Eric White (left) is collecting ground-penetrating radar (GPR). Research Hydrologist Martin Briggs (right) is collecting broadband electromagnetic induction data. The flowing water visible in the background is groundwater discharging at a spring. (October 2016)
Example of thawing landscapes and thermokarst at our field sites
Example of thawing landscapes and thermokarst at our field sites
Example of thawing landscapes and thermokarst at our field sites
Soil tracer applied on burned hillslope
Brian Ebel pours a dye tracer into a pit to observe how water moves through soils on a burned hillslope.
Brian Ebel pours a dye tracer into a pit to observe how water moves through soils on a burned hillslope.
Fog on Yukon River
Fog along the Yukon River showing a Black Spruce dominated forest in the foreground, which is prone to wildfire. Photo by Bruce Wylie, USGS
Fog along the Yukon River showing a Black Spruce dominated forest in the foreground, which is prone to wildfire. Photo by Bruce Wylie, USGS
Dolly Varden and Arctic grayling in the Agashashok River
Underwater photo of a large school of Dolly Varden char and Arctic grayling in the Agashashok River. These fish were part of the Hydro-Ecology of Arctic Thawing (HEAT) project.
Underwater photo of a large school of Dolly Varden char and Arctic grayling in the Agashashok River. These fish were part of the Hydro-Ecology of Arctic Thawing (HEAT) project.
A Horned Puffin taking off from the water
A Horned Puffin taking off from the water
A Horned Puffin taking off from the water
Horned Puffin, near Chisik Island in Lower Cook Inlet, Alaska
Horned Puffin, one of the species affected by a recent seabird die-off in the Pribilof Islands, AK. Near Chisik Island in Lower Cook Inlet, Alaska
Horned Puffin, one of the species affected by a recent seabird die-off in the Pribilof Islands, AK. Near Chisik Island in Lower Cook Inlet, Alaska
The north fork of the Agashashok River
The north fork of the Agashashok River
The north fork of the Agashashok River
Bedrock peaks in the Agashashok River Watershed
Bedrock peaks in the Agashashok River Watershed
Bedrock peaks in the Agashashok River Watershed
Copper River bridge
Copper River bridge longer view
Tributary of the Agashashok River
A tributary of the Agashashok River.
A tributary of the Agashashok River.
Periphyton in a tributary of the Agashashok River
Periphyton in a tributary of the Agashashok River
Periphyton in a tributary of the Agashashok River
The Agashashok River Watershed
The Agashashok River Watershed
Kasilof River bridge during high water
Kasilof River bridge during high water
Kasilof River bridge during high water