Hiking up a stream from the Akilik River drainage to set minnow traps for fish sampling. This is a stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park.
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Akilik River stream sampling
Hiking up a stream from the Akilik River drainage to set minnow traps for fish sampling. This is a stream type at the Boreal-Arctic transition of the Brooks Range, Noatak National Park and Preserve, Kobuk Valley National Park.
Small arctic grayling in the Imelyak River, Brooks Range
Small arctic grayling hugging the bottom in the Imelyak River in the Brooks Range. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Small arctic grayling hugging the bottom in the Imelyak River in the Brooks Range. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Beaufort Sea coastline on Arey Island with eroding cliff near Kaktovik
Eroding coastline of the Beaufort Sea on Arey Island near Kaktovik.
Eroding coastline of the Beaufort Sea on Arey Island near Kaktovik.
Beaufort Sea coastline on Arey Island with flock of birds
Flock of birds over Arey Island near Kaktovik on the coastline of the Beaufort Sea.
Flock of birds over Arey Island near Kaktovik on the coastline of the Beaufort Sea.
Fourhorn sculpin captured near Kaktovik, Alaska
Fourhorn sculpin (Myoxocephalus quadricornis) captured near Kaktovik, Alaska
Fourhorn sculpin (Myoxocephalus quadricornis) captured near Kaktovik, Alaska
Fyke net set in Kaktovik Lagoon with Kaktovik, AK in the background
Fyke net set in Kaktovik Lagoon with the town of Kaktovik, Alaska in the background
Fyke net set in Kaktovik Lagoon with the town of Kaktovik, Alaska in the background
Underwater photo of young of year Arctic cisco
Underwater photo of young of year Arctic cisco
Underwater photo of young of year Arctic cisco
Pink salmon captured near Kaktovik, Alaska
Pink salmon captured near Kaktovik, Alaska
Pink salmon captured near Kaktovik, Alaska
Young of year Arctic cisco
Young of year Arctic cisco (Coregonus autumnalis).
Young of year Arctic cisco (Coregonus autumnalis).
Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska
Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska.
Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska.
Saffron cod captured near Kaktovik Alaska
Saffron cod (Eleginus gracilis) captured near Kaktovik Alaska
Saffron cod (Eleginus gracilis) captured near Kaktovik Alaska
A Tufted Puffin in the sea in Lower Cook Inlet, Alaska
A Tufted Puffin swimming in the sea near Gull Island in Lower Cook Inlet , Alaska
A Tufted Puffin swimming in the sea near Gull Island in Lower Cook Inlet , Alaska
Capturing Black-legged Kittiwakes for study in Cook Inlet, Alaska
Brielle Heflin and Brian Robinson capturing Black-legged Kittiwakes at the base of the colony in Cook Inlet, Alaska. These birds were used in adult physiology studies.
Brielle Heflin and Brian Robinson capturing Black-legged Kittiwakes at the base of the colony in Cook Inlet, Alaska. These birds were used in adult physiology studies.
Scientist examines firn core
USGS scientist Louis Sass examines a full firn core taken on Wolverine Glacier, making observations of any notable dust or dirt layers in the snow and firn stratigraphy.
USGS scientist Louis Sass examines a full firn core taken on Wolverine Glacier, making observations of any notable dust or dirt layers in the snow and firn stratigraphy.
Geologist collecting igneous rock samples in Lake Clark Nat'l Park
The photo was taken by Erin Todd during helicopter-supported geologic fieldwork in Lake Clark National Park this past summer.
The photo was taken by Erin Todd during helicopter-supported geologic fieldwork in Lake Clark National Park this past summer.
Black-legged Kittiwake with herring near Gull Island, Cook Inlet, AK
Black-legged Kittiwake with a herring in it's bill. These seabirds were foraging near Gull Island in Cook Inlet, Alaska.
Black-legged Kittiwake with a herring in it's bill. These seabirds were foraging near Gull Island in Cook Inlet, Alaska.
Scientist holding a herring dip net of forage fish in Cook Inlet, AK
Brian Robinson holding a herring dip net of forage fish in Cook Inlet, Alaska
Brian Robinson holding a herring dip net of forage fish in Cook Inlet, Alaska
Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska
Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska.
Black-legged Kittiwakes foraging for fish in Cook Inlet, Alaska.
Geologist collecting rock samples exposed in a glacial stream valley
USGS research geologist Jamey Jones collects multiple samples of rocks exposed in a glacial stream valley near Lake Clark.
USGS research geologist Jamey Jones collects multiple samples of rocks exposed in a glacial stream valley near Lake Clark.
Geologist stands on granite dike intruding darker granodiorite
USGS research geologist Jamey Jones stands on a dike of granite intruding darker granodiorite, with helicopter in background.
USGS research geologist Jamey Jones stands on a dike of granite intruding darker granodiorite, with helicopter in background.