Images
Browse images from a wide range of science topics covered by USGS.
Chris Zimmerman removing otoliths from sockeye salmon carcasses on the shoreline of Salmon Lake. Otoliths are used to read age of a fish and other chemical signatures over time.
Chris Zimmerman removing otoliths from sockeye salmon carcasses on the shoreline of Salmon Lake. Otoliths are used to read age of a fish and other chemical signatures over time.
Dolly Varden in a minnow trap in the Agashashok River drainage. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Dolly Varden in a minnow trap in the Agashashok River drainage. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Soil pit exposing tsunami deposits on Sitkalidak Island, Alaska.
Soil pit exposing tsunami deposits on Sitkalidak Island, Alaska.
Ryan collects water chemistry samples during a subsurface tracer experiment while Matt observes.
Ryan collects water chemistry samples during a subsurface tracer experiment while Matt observes.
Matt and Josh Koch preparing for a subsurface tracer test on the West Twin Creek hillslope.
Matt and Josh Koch preparing for a subsurface tracer test on the West Twin Creek hillslope.
A Common Murre swimming in the waters of Prince William Sound, Alaska.
A Common Murre swimming in the waters of Prince William Sound, Alaska.
Large storm surges in the Yukon-Kuskokwim Delta, AK lead to increased erosion and sedimentation of coastal waterways
Large storm surges in the Yukon-Kuskokwim Delta, AK lead to increased erosion and sedimentation of coastal waterways
USGS scientist Beth Burton and helicopter pilot Drew Rose install geophysical equipment northwest of Lake Clark National Park, Alaska
USGS scientist Beth Burton and helicopter pilot Drew Rose install geophysical equipment northwest of Lake Clark National Park, Alaska
USGS geologist Erin Todd examines granitic rocks in outcrop before collecting samples for geochemistry and geochronology in Lake Clark National Park, Alaska.
USGS geologist Erin Todd examines granitic rocks in outcrop before collecting samples for geochemistry and geochronology in Lake Clark National Park, Alaska.
Pulling in the mid-water trawl from the R/V Alaskan Gyre
Pulling in the mid-water trawl from the R/V Alaskan Gyre
R/V Alaskan Gyre in Prince William Sound, Alaska
R/V Alaskan Gyre in Prince William Sound, Alaska
Identifying and sorting clams by species. This sample came from benthic trawls on the Norseman II.
Identifying and sorting clams by species. This sample came from benthic trawls on the Norseman II.
Field camp in the Yukon-Kuskokwim Delta, western AK, where USGS and other ecologists monitor impacts of climate changes, erosion, sedimentation, and flooding on coastal ecosystems
Field camp in the Yukon-Kuskokwim Delta, western AK, where USGS and other ecologists monitor impacts of climate changes, erosion, sedimentation, and flooding on coastal ecosystems
Panoramic view of entrance to Chakachamma Lake (near Lake Clark, Alaska).
Panoramic view of entrance to Chakachamma Lake (near Lake Clark, Alaska).
Pacific walrus hauled out on sea ice in the Chukchi Sea.
Pacific walrus hauled out on sea ice in the Chukchi Sea.
Male Arctic Warbler singing 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 Arctic Warbler singing 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.
Carol Damberg (USFWS) conducting survey of eelgrass (Zostera marina) in Izembek Lagoon, Alaska, 2015.
Carol Damberg (USFWS) conducting survey of eelgrass (Zostera marina) in Izembek Lagoon, Alaska, 2015.
An Alaska Native village on the Yukon-Kuskokwim Delta, western AK
An Alaska Native village on the Yukon-Kuskokwim Delta, western AK
USGS researcher Jonathan Caine measures vein orientation at an outcrop of late Cretaceous pluton in Lake Clark National Park.
USGS researcher Jonathan Caine measures vein orientation at an outcrop of late Cretaceous pluton in Lake Clark National Park.
USGS scientists Erin Todd and Jonathan Caine wait for a helicopter pickup at a geologic mapping and sampling station high in the Neacola Mountains, Alaska.
USGS scientists Erin Todd and Jonathan Caine wait for a helicopter pickup at a geologic mapping and sampling station high in the Neacola Mountains, Alaska.