Measuring a snow core. The layers that make up snow cores are measured to determine the density of the snow and ice.
Images
Browse images from a wide range of science topics covered by USGS. All items in this gallery are considered public domain unless otherwise noted.
Filter Total Items: 1592
Measuring a snow core
Measuring a snow core. The layers that make up snow cores are measured to determine the density of the snow and ice.
A True Ice Worm on La Perouse Glacier, Glacier Bay National Park
A True Ice Worm on La Perouse Glacier, Glacier Bay National ParkA true ice worm (Mesenchytraeus solifugus) on the La Perouse Glacier, Glacier Bay National Park.
A True Ice Worm on La Perouse Glacier, Glacier Bay National Park
A True Ice Worm on La Perouse Glacier, Glacier Bay National ParkA true ice worm (Mesenchytraeus solifugus) on the La Perouse Glacier, Glacier Bay National Park.
Coring earthquake-related submarine landslide deposits in Skilak Lake
Coring earthquake-related submarine landslide deposits in Skilak LakeUSGS scientists work with academic collaborators from the University of Ghent (Belgium) to core earthquake-related submarine landslide deposits in Skilak Lake, Alaska.
Coring earthquake-related submarine landslide deposits in Skilak Lake
Coring earthquake-related submarine landslide deposits in Skilak LakeUSGS scientists work with academic collaborators from the University of Ghent (Belgium) to core earthquake-related submarine landslide deposits in Skilak Lake, Alaska.
Tom Parsons preparing the multibeam arm on the R/V Alaskan Gyre
Tom Parsons preparing the multibeam arm on the R/V Alaskan GyreScientist leaning over side of R/V Alaskan Gyre adjusting the multibeam arm
Tom Parsons preparing the multibeam arm on the R/V Alaskan Gyre
Tom Parsons preparing the multibeam arm on the R/V Alaskan GyreScientist leaning over side of R/V Alaskan Gyre adjusting the multibeam arm
Cassin’s Auklet decomposes on the beach west of Cape Grieg
Cassin’s Auklet decomposes on the beach west of Cape GriegA Cassin’s Auklet decomposes on the beach west of Cape Grieg following a die-off in 2015/2016. West of Cape Grieg, Alaska Peninsula.
Cassin’s Auklet decomposes on the beach west of Cape Grieg
Cassin’s Auklet decomposes on the beach west of Cape GriegA Cassin’s Auklet decomposes on the beach west of Cape Grieg following a die-off in 2015/2016. West of Cape Grieg, Alaska Peninsula.
Mussels filter feeding during high tide
Mussels (Mytilus trossulus) filter feeding during high tide in Jakolof Bay, Alaska.
Mussels (Mytilus trossulus) filter feeding during high tide in Jakolof Bay, Alaska.
Tony DeGange searches for Common Murre carcasses
Retired USGS biologist Tony DeGange searches for Common Murre carcasses along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Puale Bay, Alaska Peninsula
Retired USGS biologist Tony DeGange searches for Common Murre carcasses along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Puale Bay, Alaska Peninsula
Sarah Schoen identifies and counts Common Murre carcasses
Sarah Schoen identifies and counts Common Murre carcassesUSGS biologist Sarah Schoen identifies and counts Common Murre carcasses on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Sarah Schoen identifies and counts Common Murre carcasses
Sarah Schoen identifies and counts Common Murre carcassesUSGS biologist Sarah Schoen identifies and counts Common Murre carcasses on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Dead Common Murres found on the beach along the Alaska Peninsula
Dead Common Murres found on the beach along the Alaska PeninsulaDead Common Murres found on the beach along the Alaska Peninsula May 2, 2016. This bird was part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
Dead Common Murres found on the beach along the Alaska Peninsula
Dead Common Murres found on the beach along the Alaska PeninsulaDead Common Murres found on the beach along the Alaska Peninsula May 2, 2016. This bird was part of the large die-off of Common Murres across the Gulf of Alaska in 2015-2016.
A Common Murre carcass decomposes
A Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Portage Bay, Alaska Peninsula.
A Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Portage Bay, Alaska Peninsula.
Tony DeGange searches for Common Murre carcasses above the high tide
Tony DeGange searches for Common Murre carcasses above the high tideRetired USGS biologist Tony DeGange searches for Common Murre carcasses above the high tide line on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Tony DeGange searches for Common Murre carcasses above the high tide
Tony DeGange searches for Common Murre carcasses above the high tideRetired USGS biologist Tony DeGange searches for Common Murre carcasses above the high tide line on the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Common Murre carcass decomposes just above the high tide
Common Murre carcass decomposes just above the high tideA Common Murre carcass decomposes just above the high tide line along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Common Murre carcass decomposes just above the high tide
Common Murre carcass decomposes just above the high tideA Common Murre carcass decomposes just above the high tide line along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Common Murre carcass decomposes along the Alaska Peninsula
Common Murre carcass decomposes along the Alaska PeninsulaA Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula.
Common Murre carcass decomposes along the Alaska Peninsula
Common Murre carcass decomposes along the Alaska PeninsulaA Common Murre carcass decomposes along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula.
Scientists search for beachcast Common Murres
Sarah Schoen and pilot Chris Klosterman search for beachcast Common Murres along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Sarah Schoen and pilot Chris Klosterman search for beachcast Common Murres along the Alaska Peninsula following the massive die-off of murres in 2015/2016. Wide Bay, Alaska Peninsula
Alaska Surveyors Circa 1924
Alaska surveying crew circa 1924 using alidade and plane table; transportation by dogsled. USGS photo files.
Alaska surveying crew circa 1924 using alidade and plane table; transportation by dogsled. USGS photo files.
Buff-breasted Sandpiper with transmitter
Buff-breasted Sandpiper with transmitter
Buff-breasted Sandpiper with transmitter
Buff-breasted Sandpipers in Texas turf farms
Buff-breasted Sandpipers in Texas turf farms
Buff-breasted Sandpipers in Texas turf farms
Pair of spectacled eiders flying near the Colville River in 2013
Pair of spectacled eiders flying near the Colville River in 2013Spectacled eider male and female flying near the Colville River in 2013.
Pair of spectacled eiders flying near the Colville River in 2013
Pair of spectacled eiders flying near the Colville River in 2013Spectacled eider male and female flying near the Colville River in 2013.
Scour under a bridge on the Kenai Peninsula
Scour under a bridge on the Kenai Peninsula in 2002.
Scour under a bridge on the Kenai Peninsula in 2002.
Aurora borealis display evokes the beauty of the Arctic
Aurora borealis display evokes the beauty of the ArcticAurora borealis display evokes the beauty of the Arctic, as well as the geomagnetic field intensity actively monitored by USGS scientists.
Aurora borealis display evokes the beauty of the Arctic
Aurora borealis display evokes the beauty of the ArcticAurora borealis display evokes the beauty of the Arctic, as well as the geomagnetic field intensity actively monitored by USGS scientists.
Karyn Rode checking vitals of polar bear on the Chukchi Sea
Karyn Rode checking vitals of polar bear on the Chukchi SeaKaryn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.
Karyn Rode checking vitals of polar bear on the Chukchi Sea
Karyn Rode checking vitals of polar bear on the Chukchi SeaKaryn Rode taking vitals on a polar bear in the Chukchi Sea April 2016. On sea ice off the northwest coast of Alaska in the Chukchi Sea.