A Red-breasted Nuthatch captured at an Anchorage banding station
A Red-breasted Nuthatch captured at an Anchorage banding stationA Red-breasted Nuthatch captured at an Anchorage banding station
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A Red-breasted Nuthatch captured at an Anchorage banding station
A Red-breasted Nuthatch captured at an Anchorage banding station
A Red-breasted Nuthatch captured at an Anchorage banding stationA Red-breasted Nuthatch captured at an Anchorage banding station
Female and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, AlaskaFemale and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, Alaska
Female and cub polar bear on land near Kaktovik, AlaskaFemale and cub polar bear on land near Kaktovik, Alaska
Repairing Seismic Stations in Alaska
USGS\AVO seismologist works to replace an old seismometer at seismic station LSSA on Little Sitkin Volcano in the western Aleutian Arc.
USGS\AVO seismologist works to replace an old seismometer at seismic station LSSA on Little Sitkin Volcano in the western Aleutian Arc.
Repairing Seismic Stations in Alaska
AVO seismologists work to repair a seismic station on Little Sitkin Volcano in the western Aleutians Islands.
AVO seismologists work to repair a seismic station on Little Sitkin Volcano in the western Aleutians Islands.
Earth MRI - Yukon Tanana Uplands Alaska
Earth MRI - Yukon Tanana Uplands Alaska
Helicopter landing to pick up field personnel in Alaska
Helicopter landing to pick up field personnel in AlaskaHelicopter landing to pick up field personnel after a day of geologic mapping and sampling in the Fortymile region north of Tok, Alaska.
Helicopter landing to pick up field personnel in Alaska
Helicopter landing to pick up field personnel in AlaskaHelicopter landing to pick up field personnel after a day of geologic mapping and sampling in the Fortymile region north of Tok, Alaska.
A high alpine tributary of the Agashashok River
A high alpine tributary of the Agashashok River.
A high alpine tributary of the Agashashok River.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.Allen Bondurant measuring the depth to permafrost along a thermokarst lake shore.
Mother and young caribou on Yukon-Alaska border
A mother caribou and her offspring, east of Chicken, Alaska (on the Yukon-Alaska border).
A mother caribou and her offspring, east of Chicken, Alaska (on the Yukon-Alaska border).
Scientist examining strongly deformed and metamorphosed rock outcrops
Scientist examining strongly deformed and metamorphosed rock outcropsUSGS scientist examining outcrops of strongly deformed and metamorphosed rock along Divide Mountain in the Yukon-Tanana upland of eastern Alaska
Scientist examining strongly deformed and metamorphosed rock outcrops
Scientist examining strongly deformed and metamorphosed rock outcropsUSGS scientist examining outcrops of strongly deformed and metamorphosed rock along Divide Mountain in the Yukon-Tanana upland of eastern Alaska
Quartz veins across outcrops of granitic gneiss on Divide Mt., Alaska
Quartz veins across outcrops of granitic gneiss on Divide Mt., AlaskaHalf-meter-thick quartz veins cut across outcrops of granitic gneiss on Divide Mountain along the Alaska-Yukon border, August 2015
Quartz veins across outcrops of granitic gneiss on Divide Mt., Alaska
Quartz veins across outcrops of granitic gneiss on Divide Mt., AlaskaHalf-meter-thick quartz veins cut across outcrops of granitic gneiss on Divide Mountain along the Alaska-Yukon border, August 2015
Sediment core showing tsunami deposits on Sitkalidak Island, Alaska
Sediment core showing tsunami deposits on Sitkalidak Island, AlaskaSediment core showing sandy tsunami deposits over soil from an upland environment on Sitkalidak Island, Alaska.
Sediment core showing tsunami deposits on Sitkalidak Island, Alaska
Sediment core showing tsunami deposits on Sitkalidak Island, AlaskaSediment core showing sandy tsunami deposits over soil from an upland environment on Sitkalidak Island, Alaska.
Pipetting PCR products into an acrylamide gel
Rob Wilson pipetting PCR products into an acrylamide gel; after electrophoresis he'll be able to visualize fragment size differences within and among individuals.
Rob Wilson pipetting PCR products into an acrylamide gel; after electrophoresis he'll be able to visualize fragment size differences within and among individuals.
Dolly Varden in a minnow trap in the Agashashok River drainage
Dolly Varden in a minnow trap in the Agashashok River drainageDolly 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
Dolly Varden in a minnow trap in the Agashashok River drainageDolly Varden in a minnow trap in the Agashashok River drainage. This is part of the Hydro-Ecoloy of Arctic Thawing (HEAT) project.
Collecting otoliths from sockeye salmon on the Salmon Lake shoreline
Collecting otoliths from sockeye salmon on the Salmon Lake shorelineChris 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.
Collecting otoliths from sockeye salmon on the Salmon Lake shoreline
Collecting otoliths from sockeye salmon on the Salmon Lake shorelineChris 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.
Alaska Panorama with Snowy Mountains in Distance
Alaska Snowy Mountains with homes below
Alaska Panorama, Snow Capped Mountains
Soil pit on Sitkalidak Island, Alaska
Soil pit exposing tsunami deposits on Sitkalidak Island, Alaska.
Soil pit exposing tsunami deposits on Sitkalidak Island, Alaska.
Collecting water chemistry samples
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.
Preparing for a subsurface tracer test
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.