A stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park. This stream is in the Agashashok River watershed. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Images
Browse images from a wide range of science topics covered by USGS.
Filter Total Items: 1008
A stream in the Agashashok River watershed
A stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park. This stream is in the Agashashok River watershed. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Montana River bridge
Montana River bridge
Sorting aquatic macroinvertebrates in the field
Three researchers from the University of Waterloo hunt for aquatic insects among the detritus scooped from the lake’s nearshore zone.
Three researchers from the University of Waterloo hunt for aquatic insects among the detritus scooped from the lake’s nearshore zone.
Fyke net contents from a lake near Atqasuk, Alaska
Fyke net contents from a lake near Atqasuk, AlaskaContents of the fyke net that was set in the lake near Atqasuk in 2016. All sticklebacks.
Fyke net contents from a lake near Atqasuk, Alaska
Fyke net contents from a lake near Atqasuk, AlaskaContents of the fyke net that was set in the lake near Atqasuk in 2016. All sticklebacks.
Common Murres stand at the edge of their colony on Gull Island
Common Murres stand at the edge of their colony on Gull IslandCommon Murres stand at the edge of their colony on Gull Island, Cook Inlet on July 23, 2016.
Common Murres stand at the edge of their colony on Gull Island
Common Murres stand at the edge of their colony on Gull IslandCommon Murres stand at the edge of their colony on Gull Island, Cook Inlet on July 23, 2016.
A flock of Black-legged Kittiwakes foraging on small fish in the water
A flock of Black-legged Kittiwakes foraging on small fish in the waterA flock of Black-legged Kittiwakes foraging on Pacific sand lance near Gull Island.
A flock of Black-legged Kittiwakes foraging on small fish in the water
A flock of Black-legged Kittiwakes foraging on small fish in the waterA flock of Black-legged Kittiwakes foraging on Pacific sand lance near Gull Island.
Common Murres in the water
Large amount of Common Murres in the water
Large amount of Common Murres in the water
Eklutna River traveling under two bridges
Eklutna River traveling under two bridges
Eklutna River traveling under two bridges
Male Lapland Longspur in dwarf shrub mat habitat
Male Lapland Longspur in dwarf shrub mat habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Male Lapland Longspur in dwarf shrub mat habitat. This photo was taken on the Seward Peninsula as part of the Changing Arctic Ecosystem Boreal-Arctic Transition Zone program.
Catch of forage fish from a trawl in Cook Inlet, Alaska
Catch of forage fish from a trawl in Cook Inlet, AlaskaCatch of forage fish from a trawl in Cook Inlet, Alaska. Trawling was part of an assessment of abundance, distribution and species composition of forage fish in marine waters in lower Cook Inlet.
Catch of forage fish from a trawl in Cook Inlet, Alaska
Catch of forage fish from a trawl in Cook Inlet, AlaskaCatch of forage fish from a trawl in Cook Inlet, Alaska. Trawling was part of an assessment of abundance, distribution and species composition of forage fish in marine waters in lower Cook Inlet.
A Horned Puffin flying
A Horned Puffin flying
Horned Puffin, near Chisik Island in Lower Cook Inlet, Alaska
Horned Puffin, near Chisik Island in Lower Cook Inlet, AlaskaHorned 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, near Chisik Island in Lower Cook Inlet, Alaska
Horned Puffin, near Chisik Island in Lower Cook Inlet, AlaskaHorned 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
Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surfaceMolybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
Molybdenite mineral coating on a fractured surface
Molybdenite mineral coating on a fractured surfaceMolybdenite mineral coating on a fractured surface in Tertiary granite north of Lake Clark
A Horned Puffin flying over the water
A Horned Puffin flying over the water
A Horned Puffin flying over the water
Copper River bridge
Copper River bridge
Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National ParkUSGS research geologists Jamey Jones (left) and Erin Todd (right) discuss the "big picture" geology in their project area in and around Lake Clark National Park. Redoubt volcano in background left; baseball-sized cobbles on ground at researchers feet are pumice cobbles from the 2009(?) eruption of Redoubt volcano.
Geologists discuss big picture geology of Lake Clark National Park
Geologists discuss big picture geology of Lake Clark National ParkUSGS research geologists Jamey Jones (left) and Erin Todd (right) discuss the "big picture" geology in their project area in and around Lake Clark National Park. Redoubt volcano in background left; baseball-sized cobbles on ground at researchers feet are pumice cobbles from the 2009(?) eruption of Redoubt volcano.
Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake ClarkJamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology.
Geologist collects sample with helicopter in background, Lake Clark
Geologist collects sample with helicopter in background, Lake ClarkJamey Jones collects a sample of Talkeenta Formation volcaniclastic sandstone for detrital zircon geochronology.
Cabin Bay on Naked Island in Prince William Sound
A scenic of Cabin Bay on Naked Island in Prince William Sound
A scenic of Cabin Bay on Naked Island in Prince William Sound
Male Bluethroat on the Seward Peninsula, Alaska
Male Bluethroat 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 Bluethroat 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.
Three Arctic Terns sitting on a log in Prince William Sound
Three Arctic Terns sitting on a log in Prince William SoundThree Arctic Terns sitting on a log floating in the water in Prince William Sound.
Three Arctic Terns sitting on a log in Prince William Sound
Three Arctic Terns sitting on a log in Prince William SoundThree Arctic Terns sitting on a log floating in the water in Prince William Sound.
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William SoundSchools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William Sound
Schools of Pacific sand lance in Cabin Bay, Prince William SoundSchools (shadows along the shore) of Pacific sand lance in Cabin Bay, Prince William Sound